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solong [7]
3 years ago
13

Which is not true about natural selection?

Biology
2 answers:
Shtirlitz [24]3 years ago
5 0

Answer:

D. seems like an appropriate answer since its true

Explanation:

Aleks04 [339]3 years ago
3 0
B is the correct answer I think
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What is theory of to observe the neucles in cheek cells​
solong [7]

Answer: The theory of cheek cells is used for the identification of cheek cells.

Explanation:

The cells of cheek do not have cell wall. They have a cell membrane which allows on certain molecules to pass through it. The nucleus is located centrally in the cheek cells and it stores the DNA. It can be stained with the help of the methylene blue reagent. It appears blue in color which can be observed under the microscope. The cheek cells can be isolated from the buccal cavity by using cotton buds and cotton swabs can help in isolating the cells.

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3 years ago
Imagine that you have found the remnants of a robin's egg on the ground. From your biology course, you know that this eggshell i
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Answer:

The birds are oviparous in nature and produces eggs that are hatched later by the parent. the egg hatching require proper heat and protection from the external enemy.

The egg shell is the hard covering of the egg of the bird that is made of the calcium. The egg shell protect the egg from the external environment. The calcium layer for the egg shell formation is obtained by the oseteoclast property of the cells.

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Will give brainliest plz help <br> Answer 14
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liquid- enzymes

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nuclei acid- dna or deoxyribonucleic acid

3 0
3 years ago
The glucose transporter used by cells to obtain glucose from the media is a protein embedded in the membrane. When researchers f
jeka57 [31]

Answer:

a. It's a carrier protein doing facillitated diffusion

Explanation:

Facilitated diffusion may be defined as the transportation of molecules from a high concentration to a low concentration that is down the concentration gradient without input of the energy. Whereas the active transport is transportation of the molecules from the low concentration to the high concentration which is against concentration gradient by the membrane protein.

The glucose transportation process requires membrane protein for the transport and does not require any energy. Therefore, it is carrier protein which is doing the facilitated diffusion.

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3 years ago
When plants and animals die, their bodies are decomposed by organisms such as bacteria or fungi. Which statement is true regardi
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is the chemical change because the identity of the dead plants or animal does not change

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