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hodyreva [135]
3 years ago
14

PLZZZZZZZZZZZZZZZZ HELPPPPP

Biology
1 answer:
nikklg [1K]3 years ago
7 0

1. A

2. A

3. B

4. D

5. E

6. B

7. D

8. B (not sure)

9. C

10. A

11. C

12. A

13. B

14. A

15. C

16. B

17. D

18. C

19. D

20. C

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Which of these tendencies applies to highly developed countries' use of minerals?
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Answer:

I think the answer is B (they use mineral resources in proportion to their population size.)

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3 years ago
Describe the role of smooth muscle in two human body systems other than the cardiovascular system.
Ahat [919]
<h2>Human Body Systems</h2>

Explanation:

  • Cardiac and skeletal muscle and cardiac(heart) are both striated in appearance, while smooth muscle isn't.
  • Both Cardiac and smooth muscle are automatic while <em>skeletal muscle is deliberate.</em>
  • Cardiovascular muscle is likewise an automatic muscle yet is progressively associated in structure to skeletal muscle, and is discovered uniquely in the heart.  
  • <em>Smooth muscles move nourishment through the stomach related tract.</em>
  • In one's eye the pupillary sphincter muscles is answerable for contracting the size of the student.
  • <em>Smooth muscle developments keep up the supply routes' breadth. Smooth muscle controls wind stream in lungs.  </em>
  • Heart muscles are striated not normal for smooth muscles.
  • <em>Cardiovascular muscles are found in the heart dividers and aorta while smooth muscles are found in most of blood vessels and internal organs.</em>

7 0
3 years ago
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Which of the following is true about lethal alleles? Group of answer choices
BlackZzzverrR [31]

Answer:

B

Explanation:

They can be dominant or recessive.

6 0
3 years ago
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The center of our galaxy contains a very intense source of radio and x-ray radiation named sgr a*. what is it about this source
AnnyKZ [126]

The radiation is coming from an incredibly small object. This source supports the idea that the radiation comes from a black hole.

  • The rotating and barycenter of the Milky Way galaxy is known as the Galactic Center (or Galactic Centre).
  • Sagittarius A*, a compact radio source that is almost perfectly at the galactic rotational center, is the galaxy's central massive object and is a supermassive black hole with a mass of roughly 4 million solar masses.
  • Hawking radiation is a result of how quantum fields behave when there is substantial gravity present.
  • Astronomers search for a signal of light from stuff that heats up as it falls into the black hole in order to find this form of radiation, which is only significant for extremely small black holes.
  • SgrA is a radio emission source that is situated in the galaxy's nucleus. Within 1 light year away. , several hundred stars are crowded around it.

learn more about black hole here: brainly.com/question/16758691

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8 0
2 years ago
A woman who is a carrier for #1 hemophilia and a man that does not have the
Dimas [21]

Answer:

Explanation:

A woman who is a carrier for #1 hemophilia and a man that does not have the condition have children. What is the probability that they will have a child with the condition being studied? What is the gender of that child?

if the baby gets the Y chromosome from the father it will be a boy. If the boy gets his mother's X chromosome with the hemophilia gene he will have hemophilia. If he inherits his mother's other X chromosome, he will have normal blood clotting. If the baby gets the X chromosome from the father it will be a girl.

#4 A woman that is heterozygous for type A blood and a man that is heterozygous for type B blood have children. What are the possible blood types of their children?

One parent with A and another with B can produce a child with A, B, AB or O blood types.

#5 Two people are both unknowingly carriers for the cystic fibrosis gene. What is the probability that they will have children with cystic fibrosis?

If both parents are carriers there is a 1 in 4 (25 percent) chance that both will pass on the non-functioning gene, which would result in a pregnancy affected with cystic fibrosis.

#3 A woman that is heterozygous for Huntington's disease and a man that does not have the condition have children . What is the probability that their children inherit the Huntington's gene ?

Huntington's disease (HD) is what is called a dominant genetic disease. What this usually means is that a child only has a chance of getting a disease like this if a parent has it too. But parents without HD can have a child with HD. This is true of any dominant genetic disease

6 0
3 years ago
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