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Pie
3 years ago
14

A scientist finds an unusual object and decides to study it.

Biology
1 answer:
julia-pushkina [17]3 years ago
7 0


The best answer is B.

The cells of a multi cellular organisms are called eukaryotic cells and have:

1. a membrane-bound nucleus

2. numerous membrane - bound organelles including the endoplasmic reticulum, Golgi apparatus, chloroplasts and mitochondria.

3. several rod-shaped chromosomes.

Because a eukaryotic cell's nucleus is said to be surrounded by a membrane, it is said to have a true nucleus.  Organelles (meaning "little organ")  have specialized cellular roles just like the organs of  the body have specialized roles.


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Answer: The correct answer is Kreb cycle.

Cellular respiration is defined as the oxidation of food into CO₂ ( cabon dioxide) and H₂O ( water) in order to produce energy in the form of ATP ( adenosine triphosphate).

It occurs in three stages that is Glycolysis, Kreb cycle, and Electron transport chain.

Kreb cycle occurs in the matrix of the mitochondria. It includes the oxidation of a two carbon compound that is Acetyl- CoA in order to generate a pool of chemical energy in the form of ATP, NADH, FADH₂.

On the contrary, glycolysis and fermentation occur in the cytoplasm.

Thus, mitochondria is host to Kreb Cycle of the cellular respiration.

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<u>Answer:</u>

A is a DNA sequence that binds regulatory proteins that interact with promoter-bound proteins to activate transcription.

<u>Explanation:</u>

Background Knowledge:

DNA contains genes which is a particular segment of DNA. A gene usually has regulatory regions and a structural region.

Promoter: The regulatory region located to the 5 prime end of coding strand of the gene which is called as promoter that controls the binding RNA Polymerase during transcription.

The Terminator is the other regulatory region, located to the 3 prime end of coding strand of the gene. The terminator region causes RNA polymerase to stop transcription.

Structural region is the region present between the promoter and terminator.

Answer of the question is:

A is a DNA sequence that binds regulatory proteins that interact with promoter-bound proteins to activate transcription.

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THE ANSWER IS C.) MITOTIC DIVISON



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The enzyme will likely be less affective or more affective, however, it depends on what the perfect temps tire is. since this sounds like it is lowering its temp from the “ideal range”, the enzyme will be less effective!
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