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koban [17]
3 years ago
8

Marie is a 63-year-old African American woman from the Midwest. She is lactose intolerant and prefers staying indoors as opposed

to going outside. Lately, she has had terrible bone and joint pain and a recent checkup confirms that Marie is deficient in vitamin D and has a disease called:
Biology
1 answer:
lana [24]3 years ago
8 0

Answer:

Osteoporosis

Explanation:

Osteoporosis occurs when the bones become porous i.e less dense and weak. This can led to fracture of the bones because of the brittle nature of the bones. Deficiency in vitamin D as well as deficiency in calcium can result to osteoporosis in the elderly.

In the case of Marie, she is lactose intolerance, meaning she is most likely not to be consuming milk which contains a high quantity of calcium needed for bone development. So also, it was said she prefers staying indoors than going outside, meaning she has no access to sunlight which contains vitamin D. These factors could jointly influence the appearance of osteoporosis.

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The dominant allele is for black fur. The recessive allele is for white fur.
Leokris [45]

Answer:

FF , Black fur.

ff, white fur.

Explanation:

Genotype may be defined as the genetic constitution of the organism whereas phenotype depends on the genotype for the physical expression of the trait.

Let the genotype of the dominant fur (black ) be D and the genotype of white fur (recessive)  is f. homozygous means the individual should have the same allele for the trait. A mouse with homozygous dominant has genotype FF . This mouse has black fur. A mouse homozygous for the recessive trait has the genotype f. This mouse has white fur.

Thus, the answer is FF , Black fur.

ff, white fur.

6 0
3 years ago
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Two proteins in the same cell perform di erent functions. This is because the two proteins are composed of
NemiM [27]

Answer:

Two proteins that are present inside the same cell perform different functions because both proteins have different amino acid composition.

Explanation:

Amino acid is the building blocks of protein. Different proteins perform different functions due to their composition. These proteins are formed by the instructions given to the ribosome of the cell.

3 0
3 years ago
If a man with blood type AB marries a woman heterozygous for type A, what is the probability that their child will be type B?
Paul [167]

Answer:

there is a very low probability

Explanation:

4 0
3 years ago
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Timothy was born without testes. With respect to hormone production and sexual behavior, which of the following is the most like
kodGreya [7K]
Answer is D. Timothy will lack testosterone and will probably be unable to achieve an erection
3 0
3 years ago
An ecosystem consists of a community of living organisms
miss Akunina [59]

Answer:

1. interactions

2. environment

3. sun

4. photosynthesis

5. chemical

6. producers

7. food

8. energy

9. organisms

10. herbivores

10. first

12. Heterotrophs

13. second

Explanation:

An ecosystem consists of a community of living organisms interacting  with each other and the environment. The source of energy that fuels most ecosystems is the sun. Plants use the Sun’s energy to produce food in a process called photosynthesis.

Organisms that use energy from the Sun or energy stored in chemical compounds to produce their own nutrients are called autotrophs. They are also called producers because most other organisms depend on autotrophs for food and energy. Heterotrophic organisms that can’t make their own food may obtain nutrients by eating other organisms. A heterotroph that feeds only on plants is called an herbivore. Herbivores are also called first order heterotrophs. Heterotrophs that feed on other herbivores are second order heterotrophs.

6 0
3 years ago
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