Answer:
Plant cells have a large central vacuole that takes up most of the cell's space, and animal cells have many smaller vacuoles.
Explanation:
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Which type of wave forms at the boundary between air and water when you
drop a rock into a pond?
Answer:
ty
Explanation:
Waves at the surface of the ocean and lakes are orbital progressive waves. This type of wave forms at the boundary of two liquids of different density, in this case air and water.
in what part of the cell does transcription occur?
Answer:
Nucleus
Explanation:
if a cell lacked ribosomes, it would not be able to
Answer:
build or break down proteins
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In this graph, what are the independent and dependent variables?
Answer:
Wing beats are independent and the mass of hummingbird are dependent.
Explanation:
Because the y-intersept is independent and the x-intersept is dependent.
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How do endodermal cells differ from other types of cells?
Answer:
The endodermis is not highly differentiated in stems and usually contains secondary starch. In the roots, the radial and transverse walls of the endodermal cells have bandlike thickenings containing suberin and lignin.
Explanation: PLS MARK BRAINLIEST
The sternum is ________________to the nose.
Answer:
The sternum is to your chest what the nasal bones are to the nose.
Explanation:
Explanation:
Are you referring to the position? If so, it would be inferior to the nose.
defense cells in blood are called white blood cells or:
How can you tell the age of a twig?
Answer:
The age of the whole twig can usually be determined by counting back from the longest branch.
Answer:
Para calcular la edad de los árboles según este método: Medir la circunferencia del tronco a una altura de unos 140 cms respecto al suelo. CaLcular el diámetro: dividir la circunferencia entre pi (3,1416). Multiplicar el diámetro obtenido por el factor de crecimiento medio de la especie del árbol.
Explanation:
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a student conducts an experiment to test how the temperature affects the amount of sugar that can dissolve in water. in the experiment, she uses 100 milliliters of water in each trial and stirs for five minutes each time. what is the independent variable in this experiment?
como afecta este tipo de contaminacion a tu salud ? (el humo de carro)
Answer:
El aire contaminado no solo afecta al sistema respiratorio, sino que repercute en muchos más aspectos de nuestra salud. Pulmones. Perjudican su revestimiento y provocan tos, sibilancias, disnea y dificultades para respirar, sobre todo en personas vulnerables. Infartos.
Explanation:
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where does the krebs cycle take place in the mitochondria?
Answer:
In eukaryotes, the Krebs cycle reactions take place in the mitochondrial matrix, a dense solution that surrounds the mitochondria crests: in addition to water, the matrix contains all the enzymes necessary for the biochemical reactions of the cycle, coenzymes, and phosphates.
Explanation:
the lysis of red blood cells in blood agar is indicative of the presence of which enzymes?
cause of hemolysis is the action of hemolysins, toxins that are produced by certain pathogenic bacteria or fungi. Another cause is intense physical exercise. Hemolysins damage the red blood cell's cytoplasmic membrane, causing lysis and eventually cell death.
Explanation: One cause of hemolysis is the action of hemolysins, toxins that are produced by certain pathogenic bacteria or fungi. Another cause is intense physical exercise. Hemolysins damage the red blood cell's cytoplasmic membrane, causing lysis and eventually cell death.
BAP assesses an organism's ability to produce hemolysins, enzymes that damage/lyse red blood cells (erythrocytes). The degree of hemolysis caused by these hemolysins aids in the identification of members of the genera Staphylococcus, Streptococcus, and Enterococcus.
What hemolytic pattern does S aureus shows on BAP?On blood agar plates, colonies of Staphylococcus aureus are often encircled by zones of clear beta-hemolysis. The golden appearance of colonies of some strains is the etymological root of the bacteria's name; aureus meaning "golden" in Latin.
The action of hemolysins, toxins produced by certain pathogenic bacteria or fungi, causes hemolysis. Intense physical activity is another cause. Hemolysins cause lysis and eventually cell death by damaging the cytoplasmic membrane of red blood cells.
The action of hemolysins, toxins produced by certain pathogenic bacteria or fungi, is one cause of hemolysis. Intense physical activity is another cause.
Thus, Hemolysins cause lysis and eventually cell death by damaging the cytoplasmic membrane of red blood cells.
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which structure mediates the attachment of spores to a surface on which to grow?
Answer:
holdfast
Explanation:
which source of calories causes the body to expend the most energy during digestion?
The consumption of energy during digestion is known as the thermic effect of food.
Consuming food is how we get the energy needed to sustain the basic functions of our organisms. Digesting this food, however, also takes up energy. In fact, about 10% of the energy we expend daily is allocated towards the digestion and storage of food and nutrients. This is known as the thermic effect of food.
On average, the food with the highest thermic effect is that of vegetables and fruit with high water compositions. This, however, falls a bit out of the scope of the question given that these foods are often very low in calories. The food that is high in calories and has a high thermic effect is protein. On average, proteins consume 20-30% more energy to digest than other sources of calories.
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of the two cells represented in the figure, which would likely be more efficient at exchanging substances with the surrounding environment?
Cell A is more efficient at exchanging substances due to larger surface area to volume ratio.
Cell A is more efficient at exchanging substances with the surrounding environment than cell B because it has the larger surface-area-to-volume ratio. Larger surface area of the cell exchanges more substances with the surrounding environment.
While on the other hand, lower surface area of the cell exchanges less materials with the environment so we can conclude that cell A is more efficient at exchanging substances due to larger surface area to volume ratio.
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which gases contribute to the greenhouse effect brainly
Answer:
carbon dioxide, methane, nitrous oxide, water vapor
Explanation:
these all are greenhouse gases
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Dealing with matter, how do producers get the nutrients they need?
Which statement is true? (1 point)
Most protists only respire without oxygen.
Most protists can respire with small amounts of oxygen.
Most protists can respire with and without oxygen at will.
Most protists only respire with oxygen.
The true statement is : ( C ) most protists can respire with and without oxygen at will
ProtistsProtists are eukaryotic organisms that can respire either through aerobic respiration ( the use of oxygen ) mostly for obligate protists. while certain parasitic protist can respire through anaerobic respiration process ( without the use of oxygen ).
Protists can be Fungi, animal or even plants therefore from the options given above most protists can respire with and without oxygen.
Hence the true statement is most protists can respire with and without oxygen at will.
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Answer:Most Protists only respire with oxygen
Explanation: I just took the test, this is 100% correct
connective tissue structures that attach bone to muscle are called
Answer:
those connective tissues are called Tendons.
Explanation:
A tendon is a fibrous connective tissue that attaches muscle to bone. Tendons may also attach muscles to structures such as the eyeball. tendons are often confused with ligaments, ligaments are fibrous connective tissue that attaches bone to bone, and usually serves to hold structures together and keep them stable
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A group of students prepared a table listing the types of reproduction that occur in several organisms. Based on this information, which of the organisms can produce offspring that are genetically identical to the parent organism? Explain your reasoning.
ANSWER: cats and frogs
the time between inoculation and the beginning of growth is usually called the
Answer:
Generation TimeExplanation:
Generation Time. In eukaryotic organisms, the generation time is the time between the same points of the life cycle in two successive generations. For example, the typical generation time for the human population is 25 years.
Answer:
Lag time is defined as the initial period in the life of a bacterial population when cells are adjusting to a new environment before starting exponential growth.
an animal, that has gained new genetic information from the acquisition of foreign dna, is called a
Answer: Chimera
Explanation:
A genetic chimerism or chimera is a single organism composed of cells with more than one distinct genotype
Describe the significance of enzymes in our digestive system having different optimal pH and optimal temperatures. (Hint: What does this allow our bodies to do?)
Answer:
Digestive enzymes play a key role in breaking down the food you eat. These proteins speed up chemical reactions that turn nutrients into substances that your digestive tract can absorb. Your saliva has digestive enzymes in it. Some of your organs, including your pancreas, gallbladder, and liver, also release them.
For most enzymes to operate in the body, the optimal temperature is 37 degree Celsius or 98 degrees Fahrenheit. Most of the human enzymes have a maximal activity at pH around 7.2, which is the pH of most body fluids. However, there are exceptions such as, pepsin.
help me, please i really need help
Answer:
a. graduated cylinder
b.ruler
c. thermometer
d. triple balance beam
4. they allow more accurate results
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during the process of ________, an existing tissue is replaced by bone.
Answer:
Tissues are replaced by bone during the ossification process.
Explanation:
how tall are penguins? explain in two sentences how tall they are and how much they weigh
Answer:
Emperor penguin: 1.1 – 1.3 m
Little penguin: 30 – 35 cm
Galapagos penguin: 49 – 53 cm
Explanation:
Give an example of how ethical question related to people and their interactions with the environment.
Answer:
Global warming, global climate change, deforestation, pollution, resource degradation, the threat of extinction are few of the issues from which our planet is suffering. Environmental ethics are a key feature of environmental studies that establishes the relationship between humans and the earth.
There are many ethical decisions that human beings make with respect to the environment. For example: Should humans continue to clear cut forests for the sake of human consumption? Why should humans continue to propagate its species, and life itself? Should humans continue to make gasoline-powered vehicles?
There are many ethical decisions that human beings make concerning the environment.
What are ethical changes?Ethical issues is a circumstance in which a moral conflict arises in the workspace.
Ethical issues in the workplace:
Unethical leadership.Toxic workplace culture.Abuse of leadership authority.Environmental ethics are a feature which establishes relationship between humans and the earth. Humans are cutting trees and harming nature for own greed.
Global warming, global climate change, deforestation, pollution, resource degradation are the few issues from which our planet is suffering. Humans should take care of nature and should grow trees. Industries should also make some eco freindly products.
There are many ethical decisions that human beings make concerning the environment.
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Awnser question in image
Answer:
B. 48 degrees c
Explanation:
Answer:
48 Degrees Celsius
Explanation:
It’s going up by one more than it went up the last time. Another way of looking at it is the increasing factor of the degrees is being added by one every single 2 hours.
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The cell membrane's function is to..
O allow nutrients in, and send wastes out of the cell
O to control the amount of water that enters the cell
O to block all nutrients from entering the cell
Answer:
The first bullet point is correct
Explanation:
The cell membrane controls what comes in and out of the cell, it needs minerals so would not block them completely, and water does not enter cells so it is clearly the first one.
why do the functions of many receptor kinases depend on the fluid nature of the plasma membrane?
Complete Question
Why do the functions of many receptor kinases depend on the fluid nature of the plasma membrane?
The generation of cAMP requires a fluid membrane.Binding of ligand to the receptor requires a fluid membrane. The receptor monomers must move together and dimerize to be activated. Phosphorylation requires a fluid membrane.We have that
The reason why the functions of many receptor kinases depend on the fluid nature of the plasma membrane is because
Phosphorylation requires a fluid membrane.
Generally
kinase
This substance is simple defines as a facilitator for phosphate forms to move from a specific energy level to its specific sub levelsNow we recognize this phenomenon as Phosphorylation Phosphorylation being a process that facilitates the movement of phosphates requires a fluid membrane.
Therefore
The reason why the functions of many receptor kinases depend on the fluid nature of the plasma membrane is because
Phosphorylation requires a fluid membrane.
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