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Vika [28.1K]
3 years ago
6

2

Biology
1 answer:
yarga [219]3 years ago
3 0

Answer:

B. The mutations were beneficial for each new environment.

Explanation:

You might be interested in
Which surface erosion event does the most short- term damage?
kipiarov [429]

Answer:

Occurrence of mud slides after heavy rains.

Explanation:

Soil erosion is defined as the removal of top soil from the land and it affects the fertility of the soil. It is also known as soil degradation.

Soil erosion has both short-term and long-term damage. Short-term damage of erosion includes the occurrence of mudslides after heavy rains which is called landslide. It is a short-term damage because landslides took long-duration to happen and when happened it can be shortly recovered using machines.

Hence, the correct answer is "the Occurrence of mudslides after heavy rains."

3 0
4 years ago
The turnover number is defined as the maximum number of substrate molecules that can be converted into product molecules per uni
Andreyy89

Answer:

Vmax/ total enzyme concentration (Et)

Explanation:

According to the kinetics of Enzyme catalyzed reaction, the enzyme binds substrate and form the enzyme-substrate complex. The rate constant for this complex formation is K₁.

The enzyme complex later dissociates into the product and the enzyme itself ans the rate constant for this reaction is k₂. An enzyme-catalyzed reaction has the maximum velocity called Vmax.

The k₂ is also known as the turnover number which represents how many substrate molecules are converted into the products. The mathematical expression for this reaction is the:  

Vmax/ total enzyme concentration

Thus, Vmax/ total enzyme concentration (Et) is correct.

6 0
3 years ago
What pigment, only present in plants, makes photosynthesis possible?
aev [14]
C is your answer so pick c
7 0
3 years ago
Read 2 more answers
What is the advantage to prokaryotes grouping related metabolic gene products into a single operon?
mr Goodwill [35]
<span>s that a single on off switch can control the whole cluster of functionally related genes; these genes are coordinately controlled (ex: when Ecoli must make tryptophan for itself because the nutrient medium lacks this amino acid all the enzymes for the metabolic pathway are synthesized at one time)</span>
7 0
4 years ago
Which of the following statements best describes the behavior of DNA during electrophoresis?
Vinvika [58]

Answer:

Migration distance is inversely proportional to the fragment size,

Explanation:

Gel electrophoresis is a technique used in molecular biology that uses electricity to separate biological molecules based on size (DNA) or charge (proteins). For the DNA molecule, different sizes are separated from one another based on how fast they can migrate through the gel matrix.

In this technique, small fragments or sizes of DNA migrates farther than long sizes of DNA due to low friction in the matrix. In other words, the smaller the size of the DNA fragment, the farther the migration distance and vice versa. This shows that an INVERSE RELATIONSHIP exists between the migration distance and the fragment size in the electrophoresis procedure.

8 0
3 years ago
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