Answer:
Step 1: Replication Fork Formation. Before DNA can be replicated, the double stranded molecule must be “unzipped” into two single strands. ...
Step 2: Primer Binding. The leading strand is the simplest to replicate. ...
Step 3: Elongation. ...
Step 4: Termination.
Explanation:
Give important characteristics of algae
Answer:
algae is a eukaryotic cell
Explanation:
ِAlgae are eukaryotic organisms that have no roots, stems, or leaves but they have chlorophyll and other pigments for carrying out photosynthesis. Algae can be multicellular or unicellular.
Unicellular algae occur most frequently in water, especially in plankton.
algae may occur in moist soil or on the surface of moist rocks and wood.
ANALYZE What types of information can be gained
from building a prototype that is not an exact model of
the final product?
Answer:
Many test can be run on the functionality of certain features of the design without using expensive materials. Prototyping can tell you if components on your design are not needed or could be brought to the client for approval and input before designs are finalized.
Prototypes are not final products, just like mockups and models are not. Some of their restrictions are similar. In other words, they are rarely well tested or bug-fixed.
What is the role of prototyping in product formation?Prototype quality may not meet criteria for finished products because the procedures used to develop them are not always the same as those used to create finished products.
A prototype for an industrial design can be created in a variety of methods, such as concurrently, aggressively, and fast.
Physical replica. Everything from kraft paper to building bricks can be used to create a prototype model. It merely provides a general notion of the design; it doesn't need to have any functional components.
Therefore,Throughout the process of developing a product, these various prototyping techniques result in a range of proof-of-concept models.
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A cladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits.
A scientist discovers a new organism that has paired legs and mammary glands. The offspring of this organism develop within the uterus of the female and are connected to the uterine wall by a placenta during fetal stages.
On the cladogram below, select the species to which the newly discovered organism is most closely related.
On the cladogram below, the species to lamprey the newly discovered organism.
How do you describe a cladogram?A cladogram is a particular kind of diagram that depicts speculative connections between collections of species. A cladogram looks like a tree with branches growing off of a central trunk. The most significant elements of a cladogram are its root, clades, and nodes. The root is the initial ancestor that all groups that split off from it have in common.
What do the nodes in a cladogram represent?In the cladogram, each node represents a hypothetical or fictitious ancestor that gave rise to two or more daughter taxa. There is a node present at each point where a group of organisms further divides into some distinct groups because the node serves as a marker for the point of divergence.
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The complete question is -
Directions: Select the correct location on the diagram.
A cladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits.
A scientist discovers a new organism that lacks limbs and does not have a true backbone. The organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface.
On the cladogram below, select the species to which the newly discovered organism is most closely related.
A man's ability to handle stress may affect production of
testosterone; blood pressure
O insulin; weight
O red blood cells; erections
healthy sperm; fertility
O estrogen; sexual desire
and reduce his
How do bacteria become resistant to
antibiotics?
A. Bacteria can obtain DNA from antibiotics to make it
resistant.
B. Bacteria can heal from the damage of antibiotics.
C. Bacteria can become dormant and survive the
antibiotics.
D. Bacteria can reproduce quickly which allows them to
evolve adaptations to resistant antibiotics.
Answer:
the answers is d bacteria can reproduce quickly which allows them to evolve adaptations to resistant antibiotics
Correctly identify the following labels on the plant and animal cells
Even when animals and plant cells share many structures, they also have several differences. Chloroplasts, a big vacuole, cell walls (plant cells), centrioles, and several small vacuoles (animal cells).
Note: Since I did not find the complete question, here I provide an explanation of the main differences between plant and animal cells, and I attach an image with different labels for you to know which these structures are.
What are the differences between plant and animal cells?Plant and animal cells share many characteristics but differeciate in some others.
SIMILARITIES:
Both of them,
are Eukaryotic cellshave a cell membrane that provides protection to the cell content and allows the selective transport of substances in and out of the cell. carry their genetic material in the nucleus and mitochondria. have organelles, which accomplish different functions and are located in the cytosol.have microtubules in their cytosol involved in substances transport and cell structure. have pigments that provide color to the tissue and accomplish different functions on the cell.DIFFERENCES
Plant Cells,
Have a cell wall, which is a rigid structure that protects the cell and provides support. Since it is rigid, cells' shape is usually prismatic and regular. Cell walls are composed mainly of cellulose. Have chloroplasts. These organelles accumulate chrorophyll and are in charge of photosynthesis. They use solar energy to produce organic matter and release oxygen. They also carry their genetic material. Have a unique big-sized vacuole that might occupy almost 90% of the cell. Their principal function is to store water and keep the turgidity. When the vacuole gets empty, the plant loses rigidity. Have plasmodium, chromoplasts, and glyoxysomes.Animal Cells,
They have centrioles, which are paired tubular organules composed of microtubules, closely involved in cell division. These are located in the centrosome near the nuclear membrane.
Animal cells have many small vacuoles that store water, ions, and waste substances.
In the attached image you will find all these labeled structures.
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What is not descriptive of mixotrophs?
It is an organism that is able to photosynthesize.
It is an organism that can absorb food from the environment.
There is one type of mixotroph.
Euglena is an example.
Answer:
There is one type of mixotroph.
Explanation:
Explanation: Mixotrophs are the organism that can use a mix of diff
Mixotroph are organism that can use a mix of diff.
What are Mixotroph?Mixotroph is an important type of nutrition seen in many flagellates. Mixotrophy is a common phenomenon among free living protozoans. Mixotrophy is obligate. Mixotrophy is facultative. Mixotrophy is seen in planktonic protists.
Factors affecting mixotrophy:
Resource availability LightTemperatureMixotrophy has important role for primary and secondary production and transfer of carbon to upper levels in Arctic planktonic food webs. A mixotrophic organism is an organism that can use a mix of different sources of energy and carbon. Euglena is an example which uses mixotrophic nutrition.
Therefore, Mixotroph are organism that can use a mix of diff.
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Spending time with a family dog decreases the amount of stress someone is feeling.
Independent Variable:
Dependent Variable
In the investigation about how the dog decreases the amount of stress, the dependent variable is the stress levels while the independent variable is the time expended with the dog.
What is the independent variable?The independent variable is a variable that isn't changed along the experimental procedure (in this case time), while the dependent variable is modified by the conditions.
In conclusion, in the investigation about how the dog decreases the amount of stress, the dependent variable is the stress levels while the independent variable is the time expended with the dog.
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The density of the element mercury is 13,6 g/mL. If a sample of mercury has a mass of 4.6 grams, what is its volume?
The volume of the element mercury is 0.338 cm³.
We have elemental mercury.
We have to calculate the volume of 4.6 g of elemental mercury.
What is the relation between Mass and Density ?The relation between mass and density are as follows -
M = D x V
D - density of element
M - mass of element
V - volume of element
According to the question -
M = D x V
Rewrite the relation as follows -
V = M / D
Substitute the values -
V = 4.6 / 13.6 = 0.338 cm³.
Hence, the volume of the element mercury is 0.338 cm³.
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Identify the three types of variables in the following inquiry: Does increasing the amount of pesticide used for a crop decrease the harvest?
The three types of variables in the following inquiry: pesticide, crop and harvest
A variable is defined as something that can vary or as a quantity in an equation whose value can change. The weather is an example of a variable in your planning if you are organizing an outdoor event and you need to take the weather into account but are unsure of what it will be like.
Any feature, characteristic, or circumstance that can exist in various amounts or types is considered a variable. Independent, dependent, and controlled variables are typically present in an experiment.
Therefore, the three types of variables in the following inquiry: pesticide, crop and harvest.
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Which statement describes carbon's unique bonding ability?
The statement that describes carbon's unique bonding ability is that carbon can easily form 4 covalent bonds with other atoms (option B).
Why is carbon unique?Carbon is an element in group 6 of the periodic table that posseses four valence electrons.
Carbon is said to be unique because of its ability to form four covalent bonds with atoms of other element.
A covalent bond is a type of chemical bond where two atoms are connected to each other by the sharing of two or more electrons.
Therefore, it can be said that the statement that describes carbon's unique bonding ability is that carbon can easily form 4 covalent bonds with other atoms.
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parts of a germinating plant
Answer:
Hope this helps.
_____________
➲ Crediting
Image originally appeared at: Toppr
What do the varying shapes and arrangement of epithelial tissue suggest?
The varying shapes and arrangement of epithelial tissue suggests different functions. For example, simple stratified are for outer coverings while simple columnar is for absorption.
There are many epithelial tissues in the human body. They make up the majority of the tissue in glands, line body cavities and hollow organs, and cover all of the body's surfaces. Protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception are just a few of the many tasks they carry out.
There are three types of epithelial cells in epithelial tissue: cuboidal, columnar, and squamous. The four main groups of simple epithelium are: 1) simple squamous; 2) simple cuboidal; 3) simple columnar; and 4) pseudostratified.
A spherical nucleus is located in the core of cuboidal epithelial cells, which have a cube-like structure. Tall, rectangular, and with an oval-shaped nucleus in the basal region, columnar epithelial cells exhibit these characteristics.
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if you are located at a position of latitude 42 north (you are), polaris
If we are located at a position of latitude 42 north Polaris will be Equal to the latitude of the observer
we are located at 42° of latitude, the North Star is on the horizon, making an angle of 42°. For any point between the Equator and the North Pole, latitude is obtained simply by measuring the altitude of Polaris.
Polaris is vertically above at the North Pole. we can say that it make an angle of 90º above the horizon at that spot which is the same as the latitude of the North Pole.
So now we can conclude that it will make equal angle as the latitude of the north pole.
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The cytoplasm is the internal space where most
are found. It is made up of a jelly-like fluid called
and a network of protein
Fibers called That act as a frame
Answer:
1. Organelles
2. Cytoskeleton
Explanation:
r u in 7th grade Pre medical
definition of the word biochemistry
Answer:
Noun
The branch of science concerned with the chemical and physicochemical processes and substances that occur within living organisms.
Explanation:
Electrons in which energy level have the MOST potential energy?
Answer:
So a large amount of energy is required to liberate an electron from an inner most shell rather than an electron from the outermost shell. This is why we say that the electron in the outermost shell has a higher (potential) energy than the inner most shells
Answer: outer most shell
Explanation:
the outer most shell because it is the farthest away from the center
Thanks to vaccines, the ________ virus has been eradicated.
The complete sentence, in this case, is 'thanks to vaccines, the small pox virus has been eradicated' (Option 4 is correct).
What are vaccines?Vaccines are special formulations that may contain antigenic substances in order to trigger immune responses in the individual by activating the production of antibodies that bind these antigens in pathogenic agents.
In conclusion, the complete sentence, in this case, is 'thanks to vaccines, the small pox virus has been eradicated' (Option 4 is correct).
Complete question:
Fill the blank in the sentence. Thanks to vaccines, the _________ virus has been eradicated. Options: common cold (1); flu (2); chicken pox (3); small pox (4).
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what is the role of membrane proteins
Answer:
Mediate processes that are fundamental for the flourishing of biological cells.
Explanation:
Membrane-embedded transporters move ions and larger solutes across membranes, receptors mediate communication between the cell and its environment and membrane-embedded enzymes catalyze chemical reactions
Which statement is true?
Animals only perform cellular respiration, and plants only perform photosynthesis. Animals only perform cellular respiration, and plants only perform photosynthesis. Plants and animals perform cellular respiration and photosynthesis. Plants and animals perform cellular respiration and photosynthesis. Plants perform cellular respiration and photosynthesis, but animals only perform cellular respiration. Plants perform cellular respiration and photosynthesis, but animals only perform cellular respiration. Animals perform cellular respiration and photosynthesis, but plants only perform photosynthesis.
Animals only engage in cellular respiration, whereas plants also engage in photosynthesis. hence choice A is the right one.
Plants manufacture their food through the process of photosynthesis, which uses inorganic elements like carbon dioxide and water. Light energy is used in this process, where it is changed into chemical energy.
The photosynthesis reaction is shown below.
In the process of cellular respiration, the glucose generated by plants is broken down to provide energy in the form of ATP. 6CO2 + 6H2O C6H12O6 + 6O2 The energy standard used by all cells, including those in plants, is ATP. Plants must therefore also transform their food into ATP in the form of ATP.
The response of plant cellular respiration is seen below.
O2 + C6H12O6 = CO2 + H2O + ATP.
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Which is an example of how Human activity can cause long-term changes to environments that affect organisms?
Overpopulation, pollution, the burning of fossil fuels, and deforestation are just a few of the ways that humans have an influence on the physical environment. These kinds of modifications have led to climatic changes, soil erosion, poor air quality, and groundwater pollution.
This is further explained below.
What is the environment?Generally, All living and non-living objects that occur naturally, or in this example, without the use of artificial means, are included in the natural environment or natural world.
Typically, the Earth or certain portions of the Earth are referenced by the phrase.
In conclusion, Humans have an impact on the physical environment in a number of ways, including overpopulation, pollution, the burning of fossil fuels, and deforestation.
Climate change, land erosion, poor air quality, and groundwater contamination are all results of these alterations.
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13. List three organizations or agencies in your area that are involved in the conservation and protection of the environment. Describe the purpose of each agency/organization.
Answer:
Union of Concerned Scientists: Works for a healthier environment and a safer world. Through this renewal award, UCS conducts technical assessments on securing weapons material in the US.
Natural Resources Defense Council: Strives to rid our food, air, water, and household products from toxic chemicals. NRDC works to protect our world's oceans from pollution and exploitation.
Environmental Working Group: Protect human health and the environment and specializes in research and advocacy in the areas of agricultural subsidies, toxic chemicals, drinking water pollutants and corporate accountable.
Explanation:
PLS HELP ME
What is a major difference between these two types of cells?
Image of a prokaryote and eukaryote
A-The location of the cytosol
B-The location of the DNA
C-The presence of a plasma membrane
D-The presence of ribosomes
its not C
Answer:c
Explanation:
Which of the following is an example of a transgenic organism?
Snake venom is harvested from poisonous snakes and used to create antivenom.
Goats have been genetically modified to produce spider silk in their milk, which is used to create artificial tendons or bulletproof vests.
A farmer breeds a dairy cow that produces large amounts of milk in order to obtain offspring that are more likely to produce high yields.
Scientists remove a defective gene to correct a potential deformity in an embryo
Answer:
a transgenic organism is an organism that is modified by the addition of a foreign gene ,which is the case
with the silk producing goats
Which statement gives an advantage of multicellular organisms?
A. All of the cells are the same.
B. One cell performs all of the necessary functions.
C. They can grow large.
D. They can reproduce quickly.
Why is publishing one's work in a professional journal or on a
professional website a good idea as far as science and engineering
are concerned?
Select one:
C It provides support when a researcher asks their superiors for a
raise in salary.
(It helps scientists and engineers communicate their ideas and
methods clearly so they can be critiqued and validated by others in
the field.
O It prevents plagiarism.
C It encourages other researchers to change their fields of study to
things less popular.
Publishing one's work in a professional journal or on a professional website is a good idea as far as science and engineering are concerned because it helps scientists and engineers communicate their ideas and methods clearly so they can be critiqued and validated by others in the field.
A professional journal is an academic publication that is published by a professional association and is intended for a specific professional readership, such as doctors, attorneys, teachers, engineers, or accountants. Reports, professional-relevant practical writing, and research papers may be among them.
An online identity, a personal website, and a "multi-dimensional résumé" can all be integrated to create a professional website. Because it is constructed using the fundamental components of a resume and includes interactive elements that are only accessible through a website interface, it can be regarded as a multi-dimensional resume.
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What is NOT a purpose of carbohydrates?
Make up amino acids
Part of nucleotide structure
Source of energy
Involved in cell signaling
Answer:
Number 4 is the Answer " Soure Of Energy
The nuclear envelope of a cell connects most directly to which organelle?
The nuclear envelope of a cell connects most directly to the endoplasmic reticulum organelle
The endoplasmic reticulum which can either be smooth or nor be rough, and in general its function is to produce the proteins for the rest of the cell to be function. The rough endoplasmic reticulum that has on it ribosomes, which are the small, round organelles whose function it is to make those proteins The endoplasmic reticulum (ER) is also a network of the membrane-enclosed tubules and the sacs (cisternae) that extends from the the nuclear membrane throughout the cytoplasm . The entire endoplasmic reticulum was enclosed by a continuous membrane and is the largest organelle of the most eukaryotic cells.
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what's the difference between the leaf cell and root cell in osmosis and physiological support
Answer: Cells in plant roots do not contain chloroplasts because they are not exposed to light. The chloroplasts contain green pigments called chlorophyll.
Explanation:
How many orbitals are in the second energy level?
Answer:
2nd level has 4 orbitals. An f sublevel has 7 orbitals.
Answer:
4 orbitals
The second energy level will thus have a total of 4 orbitals. These orbitals will be distributed on two subshells, the s-subshell and the p-subshell. How many electrons can the second energy level hold? 8 electrons There are 2 electrons on the first energy level, 8 electrons on the second level, and 1 electron on the third energy level.
Explanation: