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rewona [7]
3 years ago
11

Which of the following is FALSE regarding the DNA double helix?

Biology
1 answer:
jek_recluse [69]3 years ago
6 0

Answer:

Which of the following is FALSE regarding the DNA double helix?

The two strands are parallel.

Explanation:

DNA strands are anti-parallel to one another which gives room for their complimentary factor to come in play.

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While all cells in an organism contain the same genetic information explain how genes are both expressed and regulated in differ
Vaselesa [24]

All the cells in a person's body have the same DNA and the same genes. However, the difference between cells in different tissues and organs is that the "expression" of the genes differs between cells. Expression means that the message from the DNA is being copied and made into protein.

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Match each scenario to its related biomolecules. Jack is eating a diet that will help him build muscle, so he eats a diet high i
Stells [14]

The options for this question are as follows:

A. Nucleic acids

B. Carbohydrates

C. Fats

D. Proteins

Now the correct answers of the match are as follows:

Jack is eating a diet that will help him build muscle, so he eats a diet high in this. <u>D. Proteins</u>

Explanation: Proteins help to build up the muscles. That's why people who want to do body-building, eat protein rich foods, like chicken, eggs, soy, etc.

Before a race, Ruth drinks a beverage full of this biomolecule to get energy. <u>B. Carbohydrate </u>

Explanation: This biomolecule provides instant energy to our body. For example, glucose is consumed before race, as dissolves quickly in our blood and provides instant energy. Glucose is an example of simplest carbohydrate.

These molecules in olive oil will help Ruth’s body store long-term energy. <u>C. Fats </u>

Explanation: Fats are the kind of biomolecule which is stored in our body in the adipose tissues. Also, when glucose is all used up by our body cells, the body starts to get energy from this stored fat.

Elizabeth has been advised to go for genetic screening to detect any abnormalities in her unborn child. <u>A. Nucleic acids </u>

Explanation: Every cell of our body has DNA, and it contains all the genetic information about the whole body. DNA is a kind of nucleic acid. If Elizabeth is going for test of the abnormality, it means she is going to test for the DNA of her child.

6 0
3 years ago
Why dont children look exactly like their parents?
Illusion [34]

Answer:

because parents only give the child 1/2 of their chromosomes

Explanation:

8 0
3 years ago
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during exercise ,energy demand in the muscle increases.which other body system directly provide for this demand?
TEA [102]
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Our breathing rate increases to intake more oxygen and exhale more CO2.

The smooth muscle in our trachea and bronchi relaxes to increase the lumen size thus making breathing easier. Adrenaline may also be released leading further amplifying these changes as well as reducing blood flow to the gut and thus peristalsis occurs at a much slower rate.  

Also when we exercise we respire more, producing heat, which must be expelled. This may be done through sweating. Another physiological change that occurs is vasodilation of arterioles closer to the skin to allow more blood to flow closer to the skin, allowing more heat to radiate out.  
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What is the name given to lichen or algae after a primary succession
olga55 [171]

Answer: the pioneer species

Explanation:

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