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oee [108]
3 years ago
15

What must materials pass through to enter or leave a cell

Biology
1 answer:
Minchanka [31]3 years ago
6 0

Answer:

the cell membrane (or plasma membrane)

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Compare the arrangement of muscles in earthworms to amphioxus
mafiozo [28]

Earthworms have two muscles which is used in locomotion. Both muscles are circular and longitudinal (inner layer of the series of muscles). The diameter of the earthworms body is reduced when the circular muscles are contracted which makes them appear to be thin. The worm appears short when the longitudinal muscles contract thus, its length is reduced.

 

Amphioxus on the other hand,  have two unique muscle fiber types. This includes  deep fibers and smaller but mitochondria-rich superficial fibers. E<span>ach of which has its own innervation.</span>

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3 years ago
Define metabolism. explain how catabolism and anabolism contribute to metabolism and how catabolism and anabolism differ from ea
Firlakuza [10]
Metabolism means <span> biochemical processes that occur within a living organism 
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5 0
4 years ago
Which of the following describes the correct stepwise assembly (in vitro) of the eukaryotic RNA polymerase II preinitiation comp
PilotLPTM [1.2K]

Answer: (TFIID) TBP-> TFIIB IIA--> TFIIF RNA POL II

Explanation:

Remember that in eukaryotic organisms, transcription and processing are coupled processes. There are 3 different types of Rna pol. In the case of RNA pol II transcribes genes that encode proteins (mRNA synthesis). Transcription factors are involved, for example: TFIID, TBPs, TAF (recognizes TATA promoter center, regulatory functions), TFIIA (stabilizes TBP union, antirepressant function), TFIIB (RNA Pol II starting point selection).

7 0
3 years ago
What are causes of food security? Which one is the main one?
inn [45]

Answer:Causes for food security

Unemployment can also negatively affect a household's food security status. High unemployment rates among low-income populations make it more difficult to meet basic household food needs.

Food Insecurity

Economic Stability.

Education.

Health and Health Care.

Neighborhood and Built Environment.

Social and Community Context.

Explanation: i DIO! would like brainly for this answer

7 0
3 years ago
What are the two resulting cells formed from single cell called
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<h2>"Daughter cells" is the correct answer</h2><h2></h2><h3>The cell that splits is called the "parent cell" and the two cells that form are called the "daughter cells".</h3><h3></h3><h3><em>Please let me know if I am wrong.</em></h3>
4 0
3 years ago
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