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schepotkina [342]
2 years ago
12

Macrophages are white blood cells that roam the body searching for invading microbes. inside macrophage vacuoles these invaders

are destroyed. how do the microbes get inside the macrophages?
Biology
1 answer:
VARVARA [1.3K]2 years ago
4 0
Endocytosis/phagocytosis. the plasma membrane forms a vesicle around the microbe, dragging (???) it into the cell. the vesicle either forms into a vacuole or transports the microbe to a vacuole where it's destroyed
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If sperm and egg cells have half of the number of chromosomes found in other body cells, how do gametes form?
Pavel [41]
Cuz they combine during fertilization and since 2 halves = 1 whole, u get gametes w a full number of chromosomes
7 0
3 years ago
A source from which organisms generally take elements is called
Anit [1.1K]

Answer:

A source from which organisms generally take elements is called exchange pool (option B).

Explanation:

Options for this question are:

  • <em>Food web.</em>
  • <em>Exchange pool.</em>
  • <em>Reservoir.</em>
  • <em>Biotic community.</em>

The term exchange pool is related to the biogeochemical cycles that exist in nature, referring to the source from which elements present in the environment become part of living organisms.

<u>Exchange pools are the biotic components</u> -like animals and plants- of an ecosystem, which determine the passage of elements between living beings. An element can remain as a reservoir (abiotic) in the soil, and then be incorporated into the exchange pool.

4 0
3 years ago
Why is hemophilia considered to be a sex-linked trait?
bija089 [108]

It is carried on the X chromosome.


Taking this test on Gradpoint, hope I helped.

6 0
2 years ago
One of the primary roles of the reproductive organs is the production of which of the following kinds of specialized cells?
mel-nik [20]

Answer:

Gamete cell

Explanation:

One of the primary roles of the reproductive organs is the production of which of the following kinds of specialized cells?

3 0
2 years ago
Which structure is most similar to an alluvial fan in formation and composition?
padilas [110]

Answer:

The options are

A. Delta

B. Watershed

C. River

D. Lake

The CORRECT ANSWER IS A

A. Delta

Explanation:

Delta fan is a low lying vegetation that consists majorly of stream –the river accumulates borne sediments at its mouth. It occurs when a river flows to a body of standing water, taking with it soil and minerals as it flows into the body of standing water to form a fan shape or triangle as seen in the attached image.

7 0
3 years ago
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