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Leviafan [203]
2 years ago
12

HELP YO BOY OUT‼️‼️‼️‼️

Biology
2 answers:
ss7ja [257]2 years ago
8 0
It’s either b or d I think
scZoUnD [109]2 years ago
4 0

Answer:

my boy dude its c

Explanation:

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2.
prohojiy [21]

Answer: Option B. core samples

Explanation: this is the only option that is not used for locating minerals

4 0
3 years ago
In contrast to growing microtubules, shrinking microtubules ............. Group of answer choices have strong lateral interactio
Otrada [13]

Answer:

have curved protofilaments at their plus ends

Explanation:

Microtubules are polymers of tubulin proteins that function as the cytoskeleton of eukaryotic cells. Microtubules are dynamic structures that can grow and shrink at a rapid rate. During this process, tubulin subunits can associate and dissociate at the plus end of the protofilament. Tubulin subunits bind to two GTP molecules, one of which is hydrolyzed to GDP after assembly. When microtubules are unstable, protofilaments curl outwards because GDP-bound tubulin has a weak affinity (thereby curving it) and disassemble. The dynamic stability of microtubules is regulated by a feedback loop: when microtubules shrink, free tubulin concentration increases and microtubules start to grow. As microtubules grow, free tubulin concentration decreases and the rate of GTP-tubulin addition also decreases.

4 0
3 years ago
Mechanical stress applied to bone __________ osteoblast activity in bone tissue, and the removal of mechanical stress __________
iren2701 [21]

Mechanical stress applied to bone increases osteoblast activity in bone tissue, and the removal of mechanical stress decreases osteoblast activity.

Explanation:

Osteoblasts are cells , that are produced in the bone marrow and are responsible for formation of bones and bone matrix.

Whenever a mechanical stress is applied on the bones , a series of reactions are triggered. As a result the activities of osteoblast increases to synthesize more and more bone matrix to provide strength.

Again on the other hand a decrease in mechanical causes a decrease in the activities of the osteoblasts.

6 0
3 years ago
In which of the following areas would secondary succession most likely occur?
MakcuM [25]

Answer:

Correct answer is A

Explanation:

4 0
3 years ago
Where is the fluid that the lymphatic system collects returned to the blood?
My name is Ann [436]

Answer:

The portal from the list very delicate vers nutrients tppppppp

Explanation:

5 0
3 years ago
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