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SSSSS [86.1K]
3 years ago
10

An observation is _______.

Biology
2 answers:
liubo4ka [24]3 years ago
5 0

a possible explanation for events using prior knowledge   


leonid [27]3 years ago
4 0
A possible explanation for events using prior knowledge   
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Each of two parents has the genotype blue/brown​, which consists of the pair of alleles that determine eye color​, and each pare
GarryVolchara [31]

Answer:

See the answer below.

Explanation:

<em>Let the allele for eye color be represented by A. Blue is dominant over brown eye color, hence, blue allele would be A while brown eye allele would be a.</em>

Two parents have the genotype blue/brown which is equivalent to Aa.

                   Aa    x    Aa

    AA               2Aa                aa

 blue eyes     blue eyes         brown eyes

a. Different possible outcomes: AA blue eyes, Aa blue eyes, and aa brown eyes.

b. Probability of a child from the cross having brown/brown (aa) genotype = 1/4 or 25%

c. Probability that the child would have blue eye color = 3/4 or 75%

4 0
3 years ago
DNA is also a ___________ ___________, which means it is composed of thousands of subunits called ________
Mars2501 [29]
I don’t know the first two but the last one the thousands of subunits are called nucleotides
6 0
3 years ago
How do glucocorticoids enable the body to deal appropriately with stress? by releasing the neurotransmitters that prepare the bo
klemol [59]

Answer:

By increasing blood glucose, fatty acid, and amino acid levels

Explanation:

Cortisol, corticosterone, and cortisone are the glucocorticoids released by the adrenal cortex and serve to impart resistance to stress. These hormones stimulate protein breakdown (mainly in muscle cells), gluconeogenesis and lipolysis and thereby increase the concentration of amino acids, glucose and fatty acids in blood.

The amino acids are used by cells for synthesis of new proteins or for synthesis of ATP. Glucose is also used by cells to produce ATPs.

Glucocorticorticoids increase the sensitivity of blood vessels for hormones which in turn stimulate their constriction. The vasoconstriction raises blood pressure. The process of vasoconstriction resumes the normal range of blood pressure which is otherwise dropped by some emergency conditions such as injury and severe loss of blood.

7 0
2 years ago
In which of the following ways does a fertilized egg differ from an unfertilized egg? A) A fertilized egg has more unpaired chro
jok3333 [9.3K]
Answer - D
Gametes always have half the number of chromosomes compared to the somatic cells, hence an unfertilized egg would have half the chromosomes from the mother, and a fertilized egg will contain diploid number of chromosomes. Half of them from inherited from each of the two parents.
7 0
2 years ago
Read 2 more answers
What would most likely happen if a person increased the amount of saturated fat in his or her diet?
Murrr4er [49]

Answer:

The person's risk of cardiovascular disease would increase.

Explanation:

saturated refers to all single bonds in the hydrocarbon chain, meaning no kinks in the chain. The hydrocarbon has the most number of carbons it can have, as there are all single bonds. If the hydrocarbon has even one less carbon, there would be kink, and it would be unsaturated and liquid. Our body needs less carbon, so unsaturated fats are better. But having saturated fats means no liquid, rather solid, which means harder for the blood to get to the heart. So your risk would cardiovascular disease would increase

3 0
3 years ago
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