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Phantasy [73]
3 years ago
8

Triglycerides and cholesterol do not circulate freely in the bloodstream. True or False

Biology
1 answer:
vredina [299]3 years ago
8 0
<h2>True </h2>

Explanation:

Triglycerides and cholesterol are both types of fats in the blood known as lipids

Triglycerides provide much of the energy for cell function and metabolism of alcohol, and cholesterol is used to build cells and several hormones

Triglycerides comes into the bloodstream in three different ways:

Consumption of foods that contain fat , consumption of extra calories, carbohydrates, and simple sugars  and release from fat stores in the body

Cholesterol comes into the blood mainly from two sources: the food we eat and liver; liver makes all the cholesterol that our body needs

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Density differences in ocean water are responsible for deep ocean circulation. a. true b. false
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The answer bnb is true becuase without desity in anything nothing would circulate
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3 years ago
A survey reveals that 25 percent of a population of 1,000 individuals have attached earlobes (are homozygous recessive for the t
Mumz [18]

Answer:

d. pxp +2pq

Explanation:

The formula for genotype frequency for a population in Hardy-Weinburg equilibrium is as under:

                           p² + 2pq + q² = 1

where, p = dominant allele

           q = recessive allele

Here,

 p² represents frequency of homozygous dominant genotype

2pq represents frequency of heterozygous genotype

q² represents frequency of homozygous recessive genotype

Also, although the genotypes p² & 2pq are different from each other yet phenotypically they both will collectively produce dominant trait i.e. free ear lobes not attached earlobes. So the term "p² + 2pq or pxp + 2pq" represents the frequency of the individuals who show the dominant phenotype in this particular population. Dominant phenotype will comprise 75% of the population.

4 0
3 years ago
Why does maltose have both alpha and beta anomers?
BabaBlast [244]

Answer:

Maltose is a disaccharide sugar made up of two units of glucose.

In cyclic structure, the glucose exists in two anomeric forms; alpha and beta.

These glucose units can either joined by α (1→4) glycosidic bond or by β (1→4) glycosidic bond.

Thus, the maltose exists in two anomeric form alpha and beta.

6 0
3 years ago
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Are adrenal cortex hormones lipid or water soluble?
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The hormones released from adrenal cortex are lipid soluble. These hormones are aldosterone (improves sodium absorption and potassium secretion in kidney), and cortisol (stimulates the breakdown of fats, improves gluconeogenesis in the liver).
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(problem 25) mutations in which lac operon gene or region are trans in its effect on the regulation of the operon?
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<span>Within the operon, the operator region is the most probable location of the mutation. If the mutation prevents the lac repressor protein from binding to the operator, then transcription of the lac. structural genes will not be inhibited.</span>
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3 years ago
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