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Soloha48 [4]
3 years ago
9

Which causes natural selection to occur?

Biology
2 answers:
Serjik [45]3 years ago
6 0

Answer:

c. Presence of predators

Explanation:

Ainat [17]3 years ago
3 0

Answer:

Natural selection can occur by A

Explanation:

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Which characteristics belong to a eukaryote? is usually multicellular contains a nucleus contains one cell type contains membran
mash [69]
A eukaryotic cell is much more complex than a prokaryotic cell. Eukaryotic cells usually make up more complex organisms and have organelles such as endoplasmic reticulum, Golgi apparatus, mitochondria, a nucleus, and lysosomes. A prokaryotic cell only has circular chromosomes and is much smaller than a eukaryotic cell. Most single celled organisms are prokaryotes.
6 0
3 years ago
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Many chemotherapy drugs used to treat cancer work by modifying the mitotic spindle. Paclitaxel works by interfering with normal
Minchanka [31]

Answer:

by inhibiting the mitotic spindle plasticity

Explanation:

In eukaryotic cells, the mitotic spindle is the cytoskeletal structure by which sister chromatids are separated during cell division. Spindle microtubules are known to drive chromosome segregation, while tubulins are Microtubule-Associated Proteins (MAPs) that attach to microtubules in order to modulate their dynamics. Antimitotic drugs are nowadays widely used in chemotherapy to disrupt microtubule assembly and chromosome segregation, thereby producing mitotic arrest and cell death (apoptosis).

5 0
3 years ago
What describes the activities of a cell that include cellular growth and cell division
Fittoniya [83]
Mitosis I think is the answer

4 0
4 years ago
Signals from _______ and the body's _______ are received by the brain and the spinal cord.
snow_lady [41]

Signals from neurons and the body's nervous system are received by the brain and the spinal cord.

OR

Signals from organs and the body's senses are received by the brain and the spinal cord. (I looked it up on quizlet to make sure I was right, and someone had organs and senses for the blanks, so I put it here just in case)

I'm not sure which answers your teacher(s) accept, but hopefully this helps.

8 0
3 years ago
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identify the metabolic pathway or reaction based on the products produced :4ATP+4Hydrogen ions, 24 Hydrogen ions, 1 ATP+8 Hydrog
Phoenix [80]

The metabolic pathway based on products produced is ;

  • 4 ATP and 4 Hydrogen ions

The product 4 ATP + 4 Hydrogen ions is formed through a metabolic pathway ( glycolysis ) whereby glucose is oxidized to obtain ATP.

A metabolic pathway is series/chain of chemical reactions feeding each other and occurring mostly in living organisms. A common example of a metabolic pathway is the breaking down of glucose in human body ( glycolysis ).

Hence we can conclude that the metabolic pathway based on products produced is 4 ATP +  4 Hydrogen ions.

Learn more : brainly.com/question/15203436

5 0
3 years ago
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