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kupik [55]
3 years ago
12

Which of the following involves only biotic factors?

Biology
1 answer:
Arada [10]3 years ago
8 0

Answer:

C- a duck catching and eating a snail

Explanation:

Biotic factors involve living things. The only choice with two living beings interacts would be C.

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A capsule stain is described as a negative stain because the capsule itself __________. does not take up stain has a negative ch
KonstantinChe [14]

Answer:

Does not take up the stain.

Explanation:

Negative staining refers to the process wherein the unstained specimen is visualized under the darkly stained background.

One of the examples is capsule staining wherein the capsulated cells are stained with India ink or nigrosin dyes. The particles of these dyes stain the background blue-black but cannot enter the capsule.

Hence, the light-colored capsulated cells are visualized in the midst of the blue-black background.

6 0
3 years ago
Moose make mating calls to locate potential mates
Bingel [31]
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8 0
3 years ago
Why does DNA need to replicate before cells divide?
gizmo_the_mogwai [7]
DNA needs to replicate before cells divide to give the complete set of genetic instructions to its daughter cells, (or ensures that each new cell inherits all of the genetic traits of the parent cell). 

Hope this helps! :D

~PutarPotato 
5 0
3 years ago
Is made of genetic material and a protein coat
blondinia [14]

Answer:

virus

Explanation:

a virus is surrounded by a protein coat

6 0
3 years ago
Read 2 more answers
When proteins help larger molecules across the cell membrane its called
MA_775_DIABLO [31]

Answer:

Facilitated transport proteins

Explanation:

Large molecules such as glucose or carbohydrates use proteins to help break down cell membranes. Some membrane proteins with chains of carbohydrates are attached to help cells become acquainted with certain molecules.

hope it helps!

7 0
3 years ago
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