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SCORPION-xisa [38]
2 years ago
7

Which properties of protists make it difficult to group them in any other group?

Biology
1 answer:
Zigmanuir [339]2 years ago
5 0

Answer:

the first one

Explanation:

hahahaha

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Svetradugi [14.3K]

Answer:

C. Charged, polar, or non-polar

Explanation:

Amino side chains, also called R groups, are classified into the categories of charged, polar, and non polar.

These classifications can be determined by the structure and elements within the R group/functional group.

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3 years ago
Which of the following does not increase genetic variation in a population ?
ira [324]
The correct answer is Mitosis !! B !!

Mitosis did not do DNA varriations !!
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This plant needs to grow high up in the canopy of the rainforest. It needs support as it moves up the stems and branches of larg
insens350 [35]
I wanna say A..  
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7 0
3 years ago
The medial cord is medial to the axillary artery and is formed by the ______ division of the inferior trunk; it contains portion
SpyIntel [72]

The medial cord is formed by the anterior division of the inferior trunk.

It contains portions of nerves C8-T1.

             The medial cord is present in our neck and is a part of the brachial plexus. It is formed by the anterior division of the lower trunk. It is called the medial because it is medial to the axillary artery.

              The medial cord leads to the formation of the medial pectoral nerve, medial cutaneous nerve of the arm, and medial cutaneous nerve of the forearm.

               The nerves labeled as C refer to the nerves affecting the motor system in our neck and upper limb. Thus nerves from C8 work for the motor conventions of our upper limb and neck.

              The nerves labeled as T are spread over our chest, shoulders, and hands. Thus, the nerve T1 works in the upper part of our body.

To learn more about cords and nerves,

brainly.com/question/28198286

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4 0
1 year ago
Receipt of extracellular signals can change cell behavior quickly (e.g., in seconds or less) or much more slowly (e.g., in hours
balandron [24]

Answer:

A. Molecular changes such as extracellular signals on extracellular ligands can result in quick changes in cell behaviour. One example is insulin. Upon insulin binding on the receptor on the cell membrane, the cell release GLUT4 transporters (for muscle cells) to increase uptake of glucose.

B. Slow changes in cell behaviour can be observed for other lipophilic hormones or intracellular receptors such as glucocoortoid or estrogen which reacts with receptors in the cells.

C. Insulin is required to maintain a constant blood glucose level and hence levels of insulin has to be mediated in correspondence to the blood glucose levels. Fast acting signalling is thus required for homeostasis of blood glucose levels. Where for such lipophilic hormones such as steriods, glucocortoid, these hormones tend to have a longer lasting effect and hence results in a slow change.

6 0
3 years ago
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