During the hours of daylight, the concentration of carbon dioxide in the air spaces is higher than in the cell of layer x
Explain why this difference in concentration is important to leaf cells
The rhythmic contractions responsible for propelling food through the digestive tract are called
Why can't rna adopt a b-form helical structure?
Protein digestion starts in the _____________, where _______________ denatures proteins.
Protein digestion starts in the stomach, where hydrochloric acid denatures proteins.
This denaturing process unfolds the proteins, making them more accessible for enzymatic digestion. Pepsinogen, inactive in gastric juice, is activated by HCl into pepsin, which then starts breaking down the peptide bonds, leading to the formation of shorter polypeptides and eventually amino acids.
A word for the first settlements, formed when humans began to domesticate plants and animals
"which accessory organ breaks down harmful substances that enter through the digestive system?"
What organelles can only be found in animal cells?
Organelles unique to animal cells include the centrosome, containing centrioles, and the lysosomes, which break down waste. Plant cells typically do not contain these organelles.
Explanation:The organelles that can only be found in animal cells and not in most plant cells are the centrosome and lysosomes. The centrosome is a structure that plays a crucial role in cell division and contains a pair of centrioles, which are not present in plant cells. Additionally, lysosomes, which are often referred to as the cell's 'garbage disposal', are responsible for breaking down waste materials and cellular debris. Plant cells typically manage these processes in vacuoles, hence lysosomes are not common in plant cells.
While both plant and animal cells have microtubule organizing centers (MTOCs), only animal cells have centrioles associated with the MTOC in the complex known as the centrosome. Moreover, despite the eukaryotic cell's highly compartmentalized structure, certain organelles like lysosomes and centrosomes are unique features of animal cells, facilitating specific cellular functions such as waste management and cell division.
Which aspects of cell structure best reveal evolutionary unity? what are some examples of specialized mods?
The aspects of cell structure best reveal evolutionary unity is that the genetic material is a good evidence of evolution because it's been conserved through time but with some slight differences.
What are the important aspects of evolutionary unity?The important aspect is the mitochondria. The mitochondria resulted from a symbiotic relationship between bacteria and pre-eukaryotes. Explaining why the mitochondria looks like a bacteria and has bacterial DNA.
The specialized cellular modifications are there are cellular modifications happening in multicellular organisms. That means, they have different types of cells, with different functions and will express different characteristics and the examples are Nerve cells have dendrites which is important to receive the electrical signal from another neuron, other cells don't have that and Sperm cells have a tail ( flagellum) in order to swim through the vagina and no other cell has that.
Therefore, The aspects of cell structure best reveal evolutionary unity is that the genetic material is a good evidence of evolution because it's been conserved through time but with some slight differences.
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A woman is taking vaginal progesterone suppositories during her first trimester because her body does not produce enough of it naturally. she asks the nurse what function this hormone has in her pregnancy. what should the nurse explain is the primary function of progesterone
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A scientist measured the distance between fixed points on two different plates over the course of a decade and found that the distance did not change. Does this result support the theory of plate tectonics? Why or why not?
Answer: No, the above result does not support the plate tectonic theory.
According to the plate tectonic theory, a plate either oceanic or continental plate moves at an average speed of about 0.5-10 cm per year.
Tectonisms has been taking place continuously and the distance the plate travels is estimated in terms of decades, as a small change in the distance in a year is not so prominent.
Why does turning over a compost heap make the material decay more quickly?
Where did our oceans come from
Which of these describes a quantitative observation?
A. an observation of the phenomenon itself
B. an observation of the relative size of something
C. an observation of an effect the phenomenon has
D. an observation that has a number associated with it
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You have just learned that in much of nature, the structure of a body part or organ is related to its function—the lesson provided you with some examples. For example, a maned wolf has very long legs (structure). You could deduce that those long legs will help the wolf travel more easily in its environment (it lives in grassland with tall grasses). Think about your own favorite animal, plant, or other organism. Think about it's physical characteristics, maybe it has long legs or webbed feet? Explain how that organism’s structure relates to its function. Explain how it helps that organism.
Ducks have specialized physical features like broad, flat, webbed feet and waterproof feathers that facilitate their function, enabling them to swim efficiently and stay buoyant in water.
Explanation:Consider the example of a duck. Ducks have broad, flat, and webbed feet (their physical feature or structure). This structure facilitates their function, which is to swim efficiently in water. The webbing between their toes creates a larger surface area which forms a paddle, enabling them to push more water back and, hence, swim forward more effectively. The feet are also positioned toward the rear of their bodies, acting as rudders for maneuverability while swimming. Likewise, a duck's feathers are coated in a waterproofing oil, enabling them to stay dry and buoyant in water. This is an excellent example of how an organism's structure relates to its function, enhancing its survival in its specific environment.
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What tiny blood vessels transports absorbed nutrients what is it called?
The tiny blood vessels that are responsible or have the role of transporting absorbed nutrients in our body is the capillaries. It is a network in which connects the venules and the arterioles in order to transport and connect nutrients for evenly distribution in the body.
Deoxygenated blood from the legs enters the heart through which vessels
Escherichia coli replicates in one plane and is a rod-shaped bacteria. it is a bacterium normally found in the intestine of humans as part of our normal flora. in some cases,
e. coli can also cause disease. you collect a fecal sample to identify whether the patient has
e. coli in his/her intestine. under the microscope you find a single-celled organism that is approximately 10 micrometers in size. this is approximately the same size a human white blood cell. true or false. based on this information, the identified cell could be
e. coli.
If you were cut and needed to heal the wound, which type of protein would the body produce? collagen albumin hemoglobin ferritin
What type of compensating filter is recommended for use on an ap shoulder projection for a hypersthenic patient?
Radiant heat cannot travel through a vacuum.
true or false
Which of the components of the cytoskeleton is much more important to animal cells than to plant cells?
Gas giants have atmospheres composed primarily of helium and _______.
Gas giants have atmospheres composed primarily of helium and hydrogen
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What is the allele frequency?
A The total number of different alleles in a population
B The number of different traits in a population
C The number of different alleles an organism can have
D The distribution of alleles in a population
Only answer if you know!
Allele frequency refers to the distribution of alleles within a population, often expressed as a percentage or proportion. It's used in studying genetic diversity and evolution, and it doesn't equate to the number of different alleles an organism can have or traits in a population.
Explanation:The allele frequency refers to the distribution of alleles in a population. To put it more specifically, it's the percentage or proportion of a particular allele for a specific gene in a given population. For instance, if 60% of a population has a particular allele for a certain trait, that would be the allele's frequency. It's crucial in studies of genetic diversity and evolution. The term doesn't refer to the number of different alleles an organism can have (which relates more to its genotype), the total number of different alleles in a population or the number of different traits in a population (which is more about phenotypic diversity).
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Xplain how an emerging virus might suddenly appear in a human population
The small outpouchings that protrude from the intestinal lumen are called
It is crucial that the process of mitosis is error free. This is because other wise healthy cells can
Why is binge drinking more problematic for women than men?
Which sentence most likely explains why the rock has large open pores?
Of the following given choices;
a. Softer parts of the rock melted in sunlight, leaving behind empty holes.
b. Contact with hard pebbles during cooling left dents in the rock.
c. Bubbles formed in the magma when it was still in liquid form.
d. Crystals embedded in the rock fell off due to friction in Earth’s
The answer is; C
This occurs especially in thick magma that has a high silica content. This magma has low viscosity and cools fast when exposed to the atmosphere. Also due to its high viscosity, it tends to trap its gases in bubbles (especially magma with high gaseous content such as sulfur dioxide) and when the magma cools into rock, the gasses escape leaving behind pores in the rock. An example of such as rock is the pumice rock.
C for plato users :)
Every species participates in some way in which major category of interspecific interactions? a. mutualism b. commensalism c. competition d. amensalism e. consumer–resource
HELP 4 QUESTIONS 50 POINTS CORRECT ANSWER WILL MARK BRAINLIEST
1) You and your friends are jogging at the same speed. Who has the greatest kinetic energy?
A) Whoever has the greatest mass
B) Whoever has the least mass
C) They all have the same kinetic energy
2) At what point on a roller coaster do you have the greatest gravitational potential energy?
A) At the highest point
B) At the bottom
C) At the beginning
D) At the end
3) When a person does work on an object, the object gains energy. As a bicycle rider rides from the bottom of a hill up a hill, the energy from the work being can become which combination of types of energy.
A) The riders work becomes kinetic energy only.
B) The riders work becomes a combination of kinetic energy and heat
C) The riders work becomes a combination of gravitational potential and heat
D) The riders work becomes a combination of gravitational potential, kinetic energy and heat
4 ) Kelly's father just had solar panels installed on the top of the roof of their home. Her dad told her that the panels will save the family money. Kelly wants to understand the benefits of these panels. Which statement BEST describes how solar panels transform energy?
A) Light energy from the sun is transformed into sound energy.
B) Light energy from the sun is tranformed into nuclear energy.
C) Light energy from the sun is transformed into chemical energy.
D) Light energy from the sun is transformed into electrical energy.