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likoan [24]
3 years ago
15

A(n)_____________ is the part of the enzyme into which the substrate fits.

Biology
1 answer:
slega [8]3 years ago
5 0
(A) the active site is the part of the enzyme into which the substrate fits.So Active Site is the answer to your question.
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Where does the transfer of oxygen into the bloodstream take place
rewona [7]

Answer:

in the Air sacs

Explanation:

the air sacs has a million tiny holes and that is probably where oxygen transfers

5 0
3 years ago
Iv)
Anna71 [15]

Answer:

Throat infection turns into Tuberculosis.

Explanation:

A small infection can be changed into a big disease if it can't be controlled through medication and treatment. For example, at first coughing occurs due to throat infection but increase its intensity leads to more damaged to the throat which leads to the Tuberculosis disease. So this means that if the duration of a small disease increases, it turns into a big problem.

6 0
2 years ago
A student measured the mass and volume of an object using a triple beam balance and a graduated cylinder. The sample has a mass
Alisiya [41]

Answer:

3.45g/cm³

Explanation:

The density of a substance/object can be calculated by using the formula:

Density = mass/volume

Where;

Density = g/cm³

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Volume = cm³

According to this question, a student measured the mass and volume of an object using a triple beam balance and a graduated cylinder. The sample has a mass of 22.4 grams and a volume of 6.5cm³.

Hence, the density of the object can be calculated this;

Density = mass/volume

Density = 22.4/6.5

Density = 3.4461

To the nearest hundredth, the density of the object = 3.45g/cm³

4 0
2 years ago
In eastern gray squirrels, Sciurus carolinensis, the allele for black fur (B) is dominant to the allele for gray fur (b) . In a
DedPeter [7]

Answer:

The answer to the given question is C.

Explanation:

Natural selection:

The population contains both superior as well as inferior organisms where natural resources are limiting so it will cause competition between organisms. As a result of competition, it will select superiors, and inferiors are deleted and they are given reproductive advantages. Due to this reproductive advantage new population emerges. It is more suitable for the environment.  

Natural selection divides into three parts that are directional, disruptive, and stabilizing selection.  

This is an example of natural selection. Environmental conditions create pressure on the individuals and if they can survive and become fittest, their number increases in the population. This is according to Darwin's theory in the struggle for existence. These organisms survived as the fittest organisms to match climatic conditions.

Stabilizing selection: This operates when features coincide with the optimal environmental conditions and the organisms survive in a population. Stabilizing selection pressures do not promote evolutionary change but tend to maintain stability within the population from generation to generation.  

In the beginning, directional selection - the organism develops characters to survive in response to gradual changes in the environmental conditions. It works on a range of phenotypes existing within a population and exerts selection pressure which moves the mean phenotype to one phenotypic extreme. When the mean phenotype overlaps with the new optimum environmental conditions, stabilizing selection will take over.  

7 0
3 years ago
Which of these is a correct statement about RNA molecules?
Gwar [14]

It's D RNA molecules transmit the genetic information from the nucleus to the ribosomes.


6 0
3 years ago
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