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Katyanochek1 [597]
3 years ago
9

Proteins embedded in the cell membrane may help molecules pass through that membrane without requiring any energy from the cell.

Which type of passive transport would this be considered?
A) Osmosis
B) Diffusion
C) Exocytosis
D) Facilitated Diffusion
Biology
1 answer:
lora16 [44]3 years ago
7 0

Answer:

Facilitated Diffusion

Explanation:

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What process is occurring in this picture at B?
Liula [17]

Answer:

Translation

Explanation:

Translation is the second process that occurs in protein synthesis. It is the process whereby mRNA template is used to synthesize an amino acid sequence, which eventually becomes a protein.

The process of translation occurs in the cytoplasm (specifically in the ribosome). As depicted in this image, the mRNA produced during transcription is transported out of the nucleus into the cytoplasm. A RNA molecule called tRNA reads the mRNA sequence (codon by codon) and carries corresponding amino acid into the growing amino acid sequence.

Hence, according to this question, the process occuring at B according to this image is TRANSLATION.

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2 years ago
The first cells to initiate an electrical signal in the heart is the
Lady_Fox [76]

Answer:

Answer is Sinoatrial node, SA.

Explanation:

The sinoatrial node, SA, is known to be a group of cells which are found at the top of the heart.

The electrical signal that is initiated by the sinoatrial node bring about or stimulates the atria and then the ventricle of the heart.

It should be noted that, the sinoatrial node are regarded as the pacemaker cells.

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3 years ago
What did darwin believe was the primary cause of evolution?
lesya692 [45]

→ Darwin believed that the need to adapt, in similar words, the changes occruing in the environment caused evolution.

The main cause of evolution, according to Darwin, was natural selection. Natural selection is a process in which a group of organisms with certain characteristics survive and thrive, in comparison to other organisms with different characteristics. This idea basically means that having some characteristics makes you suited for an environment.


And how would that ↑ explain Evolution?

Well, evolution is the change in species that occurs during time. But for you to change, there must be a cause for that change, which is none other than the need to survive, reproduce, etc.


→ As mentioned before, not all characteristics are enough to surive, and hopefully the image pasted below will help you.



Hope it helped,


BioTeacher101

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Which action would result in the most rainforest instability?
professor190 [17]

Answer:

cutting down all trees for lumber

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Prominences in your own words
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being important or famous.

Explanation:

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