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neonofarm [45]
3 years ago
12

What is the name of the organ that lines part of the wall of the uterus and nourishes the embryo with substances from the mother

s blood?
Biology
1 answer:
lana [24]3 years ago
5 0
This organ is called a placenta.
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What is the main function of nervous tissue?
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Nervous tissue is found in the brain, spinal cord, and nerves. It is responsible for coordinating and controlling many body activities. It stimulates muscle contraction, creates an awareness of the environment, and plays a major role in emotions, memory, and reasoning.
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Which part of a molecule determines the type of amino acid?
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The tRNA molecule determines the type of amino acid!

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The skeleton of the cell, the cytoskeleton is made of what?
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Answer: A Microtubules

Explanation: The cytoskeleton is composed of at last three different types of fibers: microtubules, microfilaments, and intermediate filaments. These fibers are distinguished by their size with microtubules being the thickest and microfilaments being the thinnest.

5 0
2 years ago
Suppose you examined a pedigree of a large family, going back 6 generations. In generation 5, a woman ("G5W") has a serious gene
Westkost [7]

B: A mutation in one of G5W's parents, during gamete formation, created an X-linked dominant disease allele.

You need to analyze the sex gametes.

Boys are XY

Girls are XX

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The mother has XX' where X' is de affected and reproduce with a healthy man XY and breed unhealthy boys, but because of the heterozygous gametes you could also have healthy ones XX and XY

6 0
3 years ago
Which of the following is true?
Arlecino [84]

During meiosis but not during mitosis, which of the following is true? __.

A haploid gametes are produced that are identical in their allelic composition

B the cytoplasm divides

C chromosomes line up in the center of the cell during metaphase

D genetic variation among the daughter cells is increased

E two identical daughter cells are produced

Answer:

D. genetic variation among the daughter cells is increased

Explanation:

Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. Meiosis occurs in germ cells, as a result; genetic variation among the daughter cells is increased. These cells (germ cells) are our sex cells – sperm in males, eggs in females.

In meiosis, the haploid gametes that are produced are not identical in their allelic composition.

In prophase 1, the chromosome pair up.

During metaphase, The chromosome pairs line up next to each other along the center (equator) of the cell.

4 0
3 years ago
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