Answer:
DNA replication is a semiconservative process.
Explanation:
The DNA molecule is made of two chains (or two strands), also called double-stranded (two chains).
There is complementarity of nucleotides or nitrogen bases:
- Thymine with Adenine,
- Guanine with Cytosine.
This DNA molecule is duplicated. For this, locally, we have an opening of these two chains by enzymes. We speak of enzymatic complex. This set of enzymes comes to open both strands of DNA. After opening the two strands, in the nucleus, there are several free nucleotides which bind to the template strand by complementarity.
We had a single molecule of DNA, we then had two. The two chromatids (or the two DNA helices) are therefore sister, because they are strictly identical. We speak of a semi-conservative replication because we keep one of the two matrix strands to copy identically its complementary, thanks to the complementarity of nucleotides or nitrogenous bases.
Given what we know, we can confirm that the couple in question has a 50% chance that their next child will be a girl.
<h3>Why are the odds 1/2 ?</h3>
This has to do with the fact that each child that the couple has is an independent event. While it is true that it is unlikely for the same event to occur many times in succession, the previous events do not influence the outcome of the next child.
Therefore, given that a child can be either male or female when born, the couple in question has a perfect 50% chance for their next child to be a girl.
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Answer:
land subsidence,sinkholes,freshwater contamination and having to dig deeper and deeper irrigation wells
Answer:
There are different function performed by carbohydrates in the body like-
Storage: When there is excess glucose present in the body they are stored as glycogen in muscles and liver.
Providing energy: Carbohydrates are the primary source of energy for the cells present in our body.
Carbohydrate helps to spare proteins and lipids and helps in providing polysaccharides for membrane carbohydrates.
The body maintains blood glucose levels through hormones. For example, when the blood glucose level gets high insulin is released in the blood by the pancreas which reduces the blood glucose level by accumulating glucose as glycogen in the liver and muscle.
Glucagon works opposite to insulin and increases the blood glucose level.
Answer:
C. Burying dead/religious beliefs
