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m_a_m_a [10]
3 years ago
5

Why are polymerization reactions sometimes called dehydration synthesis reactions?

Biology
1 answer:
vichka [17]3 years ago
7 0

The answer is "because water is produced as a by-product"...the word dehydration should also be a major clue because that means water loss.

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If an H is for tall trait which is dominant and h is the recessive trait for short,
topjm [15]

Answer:

The cross that guarantees a height trait ratio in the offspring of 1 : 1 high/low is Hh X hh (option C).

Explanation:

For a characteristic such as size, where tall (H) is the dominant trait and short (h) is the recessive, the crossing of a tall heterozygous (Hh) individual with a short one will have a probability that half of the offspring will be tall and the other half short.

This can be demonstrated with a Punnett square:

Cross Hh X hh

Alleles      H      h

h              Hh    hh

h              Hh    hh

Based on this result, half of the offspring will be tall, with genotype Hh, and the other half short, with genotype hh, which corresponds to a tall : short ratio of 1 : 1.

In the other options is not possible to obtain this result:

<em>A) HH Xhh  = 100% Hh.</em>

<em>B) hh X hh  =  100% hh.</em>

<em>D) Hh X Hh = 50% Hh, 25% HH and 25% hh.</em>

3 0
3 years ago
The largest region of the brain
Dmitriy789 [7]
The cerebrum/cortex - they're the same thing named differently
5 0
3 years ago
What two main biological processes are responsible for the cycling of oxygen
pantera1 [17]

Nitrates are used by plants to make amino acids and proteins. Most of the phosphorus cycle takes place at ground level. Phosphate is released by the slow breakdown of rocks. What two main biological processes are responsible for the cycling of oxygen?

5 0
3 years ago
Read 2 more answers
Can speed up chemical reactions
Jlenok [28]
Catalysts or if it’s in the body it’s usually a biological catalyst called enzymes, all catalysts speed up reactions without being changed or changing the reaction
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3 years ago
A is a DNA sequence where RNA polymerase binds and begins the process of transcription. A is a DNA sequence that binds regulator
WARRIOR [948]

<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.

6 0
3 years ago
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