The matrix of connective tissue is composed of both a ground substance and a fibrous component this statement about connective tissues is true.
In addition to holding structures together and providing support for organs and the body as a whole, connective tissues also function to repair damaged tissues, store fat, transport substances, and defend against disease. They exist everywhere over the body. There are four categories of connective tissues: connective tissue proper, blood, bones, cartilage, and connective tissue . because blood transports various materials and gases from one area of the body to another as a result of the heart's pumping function, blood is viewed as a connective tissue. Therefore, it joins many body tissues and organs, earning its name as a connective tissue. The connective tissue that is most broadly spread in an animal's body is called areolar tissue. It is located beneath the skin and acts as a scaffolding for the epithelium.
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Question 8 of 10
What is the next step in the scientific method, following forming a
hypothesis?
O A. Conducting an experiment
O B. Stating the question
OC. Analyzing the data
OC. Analyzing the data is the next step in the scientific method, following forming a hypothesis
What is a hypothesis tested by science?Making conjectures (hypothetical explanations), drawing predictions as logical conclusions from the hypotheses, and then conducting tests or making actual observations based on those predictions are all steps in the scientific method.
The steps of the scientific method should be followed in this order: notice a phenomena, formulate a hypothesis, plan and carry out an experiment to verify the hypothesis, analyse and interpret the data, and then communicate the findings to other scientists.
An "informed guess" is how the term hypothesis is defined. A scientific theory has to satisfy two requirements: it has to be testable, and it has to be falsifiable. It is not considered scientific when a theory cannot be verified by observation.
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Organisms
What do that provide?
The images show two different types of Galapagos tortoises that scientists believe descended from the same species. The first type (left) are found on islands that have high vegetation and few grasses. The second type (right) are found on an island that has large amounts of grasses and low-lying shrubs. What explains the type of turtle found on the islands with high vegetation?
The correct explanation for the type of turtle found on Galapagos islands having high vegetation is that (C) the turtles having genes encoding for long necks were able to survive better till they attained reproductive age.
The two types of turtle which can be found on Galapagos islands is largely determined by their feeding habits. The distinct shape of necks which can be observed in these two types of turtle mainly depends upon the type of adaptation that each species has acquired in response to its surrounding environment.
The turtles found on the islands with high vegetation possessed longer necks as compared to the other type. Since the second type of turtle were found in a region with low-lying vegetation, the need to raise the head in order to feed was eliminated in these type of turtle.
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one of your friends in the class rushes through the gram stain procedure and forgets to add iodine after staining with crystal violet. what color would organisms be at the end of the procedure?
Gram Staining: Gram staining is a laboratory procedure used to identify big bacterial groupings using staining techniques. To identify between gram-positive and gram-negative bacteria, peptidoglycan is stained. The gram staining procedures involve the use of a counterstain, iodine decolorizer, and crystal violet dye.
Why does this occur?Because they have a thick peptidoglycan coating, gram-positive bacteria show up violet during the gram staining procedure. A crystal violet stain is still present in the thick layer. The gram-negative bacteria are covered in a thin layer of peptidoglycan and lose their violet color throughout the decolorization process. Iodine serves as a mordant rather than a stain. The peptidoglycan layer aids in holding the crystal violet in place. In the absence of iodine, it would look purple rather than pink. The gram-positive bacteria's cell wall holds onto the violet hue and prevents it from leaking out during decolorization.
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Why is cell division a necessary part of maintaining multicellular life? Help asap giving brainliest!!!
Answer:
In multicellular animals, mitosis is required to maintain a consistent number of chromosomes in all body cells because it produces diploid daughter cells with genetic makeup that is typically identical to that of the parent cell. Mitosos is responsible for the multicellular organisms' growth. As a cell grows, the ratio between the nucleus and cytoplasm is distributed. Therefore, restoring the nucleo-cytoplasamic ratio is crucial for cell division. Cell repair is a very important mitosis-related function. Plants grow continuously throughout their lives as a result of mitotic divisions in the meristametic tissues, the apical and lateral Meristems.
Explanation:
how can we improve human dietary habits using anaerobic respiration
Answer: Anaerobic metabolism uses glucose as its only source of fuel and produces pyruvate and lactic acid. Pyruvate can then be used as fuel for aerobic metabolism.
Explanation:
Why does a plant need to store glucose...
Answer:
Because glucose is used by plants for energy and to make other substances like cellulose and starch. Cellulose is used in building cell walls. Starch is stored in seeds and other plant parts as a food source. That's why some foods that we eat, like rice and grains, are packed with starch.
Explanation:
Sugars facilitate the assimilation of nutrient elements and their transport by the plant since they reduce osmotic pressure, thus improving their entry into plant tissues. During vegetative development, transport takes place towards the stem and root tips.
Select the correct order of the final three stades in the lytic cycle
The correct order of the final three stages in the lytic cycle is Assembly > Transduction > Release
What is a Lytic cycle ?One of the two viral reproduction cycles, the other being the lysogenic cycle, is the lytic cycle. The infected cell and its membrane are destroyed as a result of the lytic cycle. Virulent phages are bacteriophages that only utilise the lytic cycle.
Although the lytic cycle's final result is the generation of new phage offspring and the death of the host bacterial cell, this is a multistep process that requires careful synchronisation of physical processes and gene transcription.The primary distinction between the lytic and lysogenic cycles is that the lytic cycle kills the host cell, but the lysogenic cycle does not. The host cell's DNA is destroyed by viral DNA, which also halts the cell's lytic cycle.Learn more about Lytic cycle here:
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How many different types of alleles for a particular gene are present in a homozygous organism?
a. 0
b. 1
c. 2
d. 3
e. 10
Answer: c. 2 alleles
one way to clone an organism is to transfer the nucleus of a cell taken from animal a, place it into an egg from animal b whose nucleus has been removed, and then implant it into a surrogate mother, animal c. the cloned animal would be identical to
As the nucleus was taken from cell a, the animal would be identical to animal a.
The nucleus is the structure of a cell in which chromosomes are present. The chromosomes contain the genetic material called DNA. The genetic material is what makes all of the traits of an organism.
In the case above, the nucleus of a cell from animal A was taken. Hence, no matter in which egg you place it and implant the egg for surrogacy, the offspring born will be identical to animal A.
The nucleus of a cell represents the entire karyotype of that organism. Hence, the cloned animal produced in the above case will be identical to animal A.
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suppose a box of cracker jacks contains one of 5 toy prizes: a small rubber ball, a whistle, a captain america decoder ring, a race car, or a magnifying glass. each prize is equally likely to be in a box. question 1. how many boxes of cracker jacks would you expect to buy until you obtain a complete set of prizes? many human skin tumors contain mutated p53 genes that probably result from excess uv exposure. one of 10 different equally likely mutations of the p53 gene always results from a single episode of excessive uv exposure; the 10 mutations remain equally likely over repeated exposures. a p53 gene must experience all 10 mutations before a tumor can develop. assume that only one mutation can occur as a result of one excessive uv skin exposure. question 2. how many excessive uv exposures would you expect are required until the p53 gene has experienced all 10 mutations?
Most malignancies include somatic TP53 mutations, which range in prevalence from 38%–50% in some cancers (such as ovarian, colorectal, head and neck, throat, and lung) to roughly 5% in others (such as primary leukaemia, sarcoma, testicular cancer, malignant melanoma, and cervical cancer).
What illness exhibits p53 mutations most frequently?The p53 tumour suppressor gene (TP53) is altered in human tumours more frequently than any other gene. Importantly, it is commonly mutated in common human cancers like glioblastomas, as well as less frequently in other serious human cancers including breast and colorectal cancers.
P53 is often altered in solid tumours; in fact, somatic p53 (TP53) gene alterations have been found in more than 50% of all human cancers. Several intracellular processes involved in cell survival, DNA repair, apoptosis, and senescence can be controlled by the transcription factor P53.
P53 inhibition boosts proliferation in healthy cells but slows it down in malignant cells.
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Will selection eliminate a harmful recessive allele from a population as quickly as it will remove a harmful dominant allele? Why or why not?
Answer:
no
Explanation:
you can see dominant traits on every organism that can have them, meanwhile you can have carriers for recessive traits, so there can be hidden traits, thus it will take
Enzymes are proteins that facilitate chemical reactions. Based on your knowledge of enzymes, what might the result be if one particular enzyme malfunctioned or was not present?
Answer: Enzymes are proteins that facilitate chemical reactions. Based on your knowledge of enzymes, what might the result be if one particular enzyme malfunctioned ...
Explanation:
Dermal papillae are numerous in palmar and plantar skin but few in number in the skin of the face and abdomen. What do you think is the functional significance of this difference?.
Dermal papillae help strengthen the connection between the dermis and epidermis and help prevent friction-related damage in high-use areas.
Dermal papillae are found in the papillary layer of the dermis. Two layers make up the dermis, which is located underneath the epidermis' malpighian layer. The dermal papillae, which resemble finger-like projections and extend into the epidermis, are part of the papillary layer, a thin outer layer of alveolar connective tissue. Numerous nerve endings, lymphatic veins, blood vessels, and hair follicles may be found in the dermis. Mesenchymal cells make up the dermal papilla in the hair follicle, which is primarily responsible for controlling hair development. The key to in vitro hair follicle formation and regeneration is maintaining the dermal sheath cells' and DPCs' potential hair inductivity throughout cell culture.
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which of the following are methods used by biologists to distinguish different species? multiple select question. assessing the ability of individuals of different groups to successfully interbreed observing the outward appearance of individuals assessing whether the organisms occupy the same space determining evolutionary relationships and lineages determining if individuals physically interact with one another analyzing dna or other molecular sequences
The methods used by biologists to distinguish different species are: analyzing DNA or other molecular sequences
observing the outward appearance of individuals
assessing the ability of individuals of different groups to successfully interbreed
determinating evolutionary relationships and lineages
determining the organisms' ecological niches
Scientists use many ways to distinguish different species. Scientists use the DNA of organisms to look for similarities and differences in them. Based on these similarities and differences, they are able to distinguish species.
Assessing the physical traits of an organism also helps in differentiating it from other species.
Evolution is also a big key to determining the relationship and differences among species.
The place where an organism lives and its ecological nice also help in determining the differences and similarities in species.
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what is the typical lifespan of a leukocyte? question 20 options: because all leukocytes are unable to undergo mitosis (cell division), their lifespan is usually only a few seconds. the lifespan of a leukocyte is approximately 120-150 days. the lifespan of a leukocyte typically is measured only in hours or days. the lifespan of a leukocyte is extremely variable, measuring in hours to years or decades. many leukocytes can live indefinitely if they are in well-protected locations.
The lifespan of leukocytes is 13-20 days, hence option 3 is correct, A leukocyte's lifespan is typically measured in hours or days.
There are three main categories of blood cells: erythrocytes (RBC), leucocytes (WBC), and platelets. Due to their lack of hemoglobin, leucocytes are also known as white blood cells (WBC). A healthy adult man has between 6000 and 8000 WBCs per milliliter of blood.
These are the immune system's cells . They shield the body from both pathogens and foreign invaders. Your body produces more white blood cells when you get sick to fight the germs, viruses, or other foreign substances that are causing your illness. Your white blood cell count rises as a result. Compared to RBCs, which have a lifespan of 120 days, WBCs only live for 13 to 20 days.
White blood cells are classified into five main categories: Lymphocytes, neutrophils, monocytes, eosinophils, and basophils.
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Cellular respiration is a series of metabolic reactions in which the energy from organic molecules, such as glucose, is released and used to synthesize.
Cellular respiration is a series of metabolic reactions in which the energy from organic molecules, such as glucose, is released and used to synthesize energy in the form of ATP.
The chemical reaction that converts glucose and oxygen into water, carbon dioxide, and ATP energy is known as cellular respiration. Oxygen and glucose are the reactants in the process, and the products are water, carbon dioxide, and energy (ATP). Therefore, we can say that cellular respiration is a series of metabolic reactions that is used to synthesize ATP.
The controlled release of energy from organic substances during cell respiration results in the production of ATP. ATP, adenosine triphosphate, is required in every kind of bodily reactions and to conduct various body functions. Mitochondria is the primary site of ATP synthesis in a cell. These organelles consume glucose to convert it into energy molecules and other by-products.
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a phagehunter plates 4000 phage particles onto a pyca plate with gordonia terrae. the burst size of the phage is 50 phage particles per round of replication. after one round of replication, how many phage particles are present on this plate?
The number of phage particles present on this plate is 50 Million phages.
When a plague started with one phage, after 1st round of replication it will produce 10 virus particles. After another round, each of the 10 viruses will produce 10 virus particles each, totaling 100 particles. And then after 3rd round, each of the 100 phages will produce 10 each = 1000 phages. So, (10)^3
Initially, 400 phages are present, and the burst size is 50., After 3 rounds, the number of phages will be = 400× (50)^3
= 50 Million phages.
DNA replication is the procedure via which a double-stranded DNA molecule is copied to provide identical DNA molecules. Replication is an essential method because, each time a mobile divides, the two new daughter cells must comprise the same genetic information, or DNA, as the discern cell.
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according to the triangle of plant life history strategies suggested by grime et al. (1979), what category of plant would you expect to exhibit fast growth and early maturation and to expend a large amount of energy producing seeds?
Triangle of plant life history strategies by grime et al. (1979), a garden weeds category of plants expect to exhibit fast growth and early maturation and to expend a large amount of energy producing seeds.
Plants that are growing in your garden against your wishes are known as garden weeds. Any plant species has the potential to become a weed, however some species are more frequent in New England gardens than others. And to say that it is common in some gardens would be an understatement. Weeds can provide essential ecosystem services like defending and repairing exposed or deteriorated soils. Additionally, some weeds act as habitat for beneficial creatures, which makes a substantial contribution to the natural and biological management of various insect pests. Some weeds can be used to make nourishing food or fodder. Weed seeds are abundant, come from many different places, and have the capacity to remain dormant in the soil for long periods of time before germination. Weeds release hundreds of seeds per plant while they are in active growth, dispersing them.
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Which of the following is an example of a physical property? a Melting and boiling points b color c Ability to conduct electricity d All of the above
Answer:
all above.
Explanation:
I had the same question for k12.
the vestibular system is primarily responsible for . question 15 options: 1) sending pain and temperature signals from the skin to the brain; problems would make it difficult to feel pain 2) encoding and processing faces; problems would make it difficult to recognize friends 3) processing body position and motion; problems would make it difficult to maintain balance 4) transforming chemical molecules into electrical signals; problems would make it difficult to smell
The vestibular system is primarily responsible for process body position and movement; problems would make it difficult to maintain balance.
3) process body position and movement; problems would make it difficult to maintain balance.
What is vestibular system?The vestibular system detects the position and movement of the head in space by integrating information from peripheral receptors located in the inner ear. Sensory cells in the posterior labyrinth transform mechanical energy resulting from ciliary movements into a biological signal.
In humans, this system is composed of three semicircular canals that merge in a central region called the vestibule, which has two other vesicular structures: the saccule and utricle, also known as otolith organs.
The utricle presents larger dimensions when compared to the saccule, located in the superior region of the vestibule. There is a tiny area of lining of the saccule and utricle that differentiates into a sensory organ, known as the macula.
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Remembering that proteins are made in cells that are 70% water- and water is polar-
describe how you might imagine that a protein spontaneously folds up into a complex 3D
shape.
A protein can spontaneously folds up into a complex tridimensional 3D shape by inducing polar domain groups to outside the molecule and hydrophobic domains the inside, which allows forming stable bonds with surrounding water molecules.
What is protein folding?Protein folding is the process for which a protein adopts its final 3D shape, which is fundamental for its function and to form chemical bonds with the surrounding aqueous environment. During folding, protein hydrophobic domains are generally located inside the molecule in order to avoid the repulsion of charges, while polar groups such as R-charged groups are located outside.
Therefore, with this data, we can see that protein folding is fundamental and polar domains are generally located outside the molecule.
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What will happen to the red blood cells in a hypertonic solution?Swelling and eventual crenationShriveling while maintaining the volume of cytoplasm.No net movement or shape change to the cells.© The red blood cells will experience crenation.
In an hypertonic solution, red cells would experiment loss of water, which translates into reduction of the volume of the cytosol, and eventually crenation, which means the destruction of the cell by dehydration (D).
Choose a call sign, broadcast frequency (has
to be AM), and listening area for a campus
radio station based on your research.
Amplitude modulation, or AM for short, refers to a technique for encoding the audio signal on the carrier frequency. AM radio stations are referred to as "mediumwave" stations in various nations.
What is AM broadcasting?AM broadcasting, or radio broadcasting, uses amplitude modulation (AM) transmissions. It is still in use today all over the world, especially for medium wave transmissions (also known as the "AM band") but also on the longwave and shortwave radio bands. It was the first method for creating audio radio transmissions.Using frequency modulation, FM broadcasting is a type of radio transmission (FM). Wide-band FM, developed by American engineer Edwin Armstrong in 1933, is utilized all over the world to deliver high-fidelity sound over broadcast radio. Compared to other broadcasting methods, such as AM broadcasting, FM broadcasting has a higher fidelity—that is, a more accurate reproduction of the original program sound.Amplitude modulation, or AM for short, refers to a technique for encoding the audio signal on the carrier frequency. AM radio stations are referred to as "mediumwave" stations in various nations. Because AM was the first format to be utilized to broadcast radio signals to the general public, they are also frequently referred to as "standard broadcast stations." Due to "skywave" propagation, which happens when the AM signal is bounced off the ionosphere and back to the ground, many AM stations are either daytime-only stations or stations authorized to run at very low power levels at night.Therefore, amplitude modulation, or AM for short, refers to a technique for encoding the audio signal on the carrier frequency. AM radio stations are referred to as "mediumwave" stations in various nations.
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How can we explain the fact that millions of kids watch violent TV shows and remain nonviolent? If there is a TV–violence link, how can we explain the fact that violence rates may have been higher in the Old West than they are today? Do you think kids in violent gangs stay home and watch TV shows?
Kids are most vulnerable to the examples they receive from their immediate caretakers (example, parents, tutors, etc.) Their immediate environment plays a more deterministic role in their behaviour than their hobbies. For example, if a kid is raised in a lovely and supporting family he/she could engage in violent videogames for fun, and not for rehearsal issues (thinking he/she is actually killing). So the early history (wether he suffer any kind of physical/psychological abuse) and the kind of family (wether they are supportive or punitive) plays a critical role in supporting previolent behaviours that videogames or other stuff migth help to develop later on.
A cell has the following molecules and structures: DNA, enzymes, ribosomes, cell membrane and mitochondria. It could be a cell from:
A) Any type of cell
B) A bactetium
C) An animal cell but not a plant cell
D) Either a plant or an animal cell
E) A plant cell but not an animal cell
Answer:
D
Explanation:
A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane and mitochondria, it could be a cell from
a) a bacterium.
b) an animal, but not a plant.
c) a plant, but not an animal.
d) a plant or an animal.
e) any kind of organism.
Cells: Prokaryotic vs Eukaryotic and Animal vs Plant
Cells are generally broken into two basic categories based on their structures. Cells that are prokaryotic are smaller and less complex than eukaryotic cells. Prokaryotic cells differ from eukaryotic cells because they do not contain membrane-bound organelles. On the other hand, eukaryotic cells have features like a nucleus and mitochondria as well as a long list of other organelles. Bacteria are a typical example of a prokaryote. Plants and animals are examples of eukaryotes.
Animal cells and plant cells are similar because they are both types of eukaryotic cells. The main differences are that plant cells have other specialized parts not found in animal cells, such as the cell wall and chloroplasts where photosynthesis takes place.
Why is it important to base scientific theory and models on empirical evidence
Answer: Empirical evidence is any information you can collect through the processes of observation, experimentation or the use of human senses. Acquiring empirical evidence is a vital step in the scientific method, as it gives researchers the opportunity to collect, organize and study any data that results from their work.
Triglycerides are the most common lipid found in food and in the body; they consist of a ____________ backbone attached to three fatty acids.
Triglycerides are the most common lipid found in food and in the body, they consist of a glycerol backbone attached to three fatty acids.
Triglycerides are lipid compounds consisting of glycerol esterified with three fatty acid chains of varying lengths and compositions. Triglycerides are a type of fat found in the blood. When you eat, your body converts calories that it doesn't need to use immediately into triglycerides. Triglycerides are stored in fat cells.
The hormone then releases triglycerides for energy between meals. Triglycerides are the major components of body and vegetable fats in humans and other vertebrates. They are also present in the blood, allowing the bidirectional movement of fat and blood sugar from the liver, and are the major constituents of human skin oils. Triglycerides or triacylglycerols are glycerol molecules with three fatty acids attached. It consists of Pendant fatty acids that can be saturated and trans.
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Many people try to eliminate fat from their diets. Which is one reason it is
necessary for humans to eat fat?
Fats are carbohydrates, which give the body energy. They also protect the organs and keep the body warm :)
A cell in the liver begins to divide abnormally. It forms a mass, but then stops dividing. No cells from the mass move into other tissues.
How would you describe this mass?
Group of answer choices
A) It is a benign tumor.
B) It is a secondary tumor.
C) It is a malignant tumor.
D) It is a metastatic tumor.
You describe this mass by the fact that it is a benign tumor. Thus, the correct option for this question is A.
What is a Benign tumor?A Benign tumor may be defined as a type of tumor that is non-cancerous in nature. This type of tumor does not express metastasis and is mostly non-invasive in nature. Benign tumors stop growth after reaching a certain size. These tumors are less fatal to the body.
It is clearly mentioned in the question that it forms a mass but stops dividing after a certain period of time. Hence it is not a secondary or malignant tumor that shows indefinite growth. It also mentioned that no cells from the mass move into other tissues. Hence it is not a metastatic tumor.
Therefore, you describe this mass by the fact that it is a benign tumor. Thus, the correct option for this question is A.
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