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diamong [38]
3 years ago
6

What causes surface runoff?

Biology
1 answer:
andrey2020 [161]3 years ago
5 0

Answer:

B

Explanation:

The more the soil absorbs water the less space there is for the soil to absorb more therefore it runs off.

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Indicate whether each of the following descriptions is true of microtubules (MT), microfilaments (MF), intermediate filaments (I
qwelly [4]

Answer:

(a) Microfilaments

(b) Microtubules

(c) Microtubules

(d) Microfilaments

(e) Intermediate filaments

(f) Microfilaments, intermediate filaments, microtubules

(g) Microfilaments, microtubules

(h) Microfilaments, intermediate filaments, microtubules

(i) Microtubules, microfilaments

(j) Microtubules

Explanation:

Microtubules (MTs) are dimers of the protein tubulin (alpha- and beta-tubulin subunits) and they are major components of the cytoskeleton. MTs play diverse cellular roles including, mechanical support (cytoskeleton), transport, motility, chromosome segregation, etc. Microfilaments (MFs) are protein filaments that also form part of the cytoskeleton in eukaryotic cells. MFs consist of G-actin monomers assembled in linear actin polymers, and their functions include mechanical support, cytokinesis, changes in cell shape, amoeboid movement, endocytosis and exocytosis, etc. MFs associate with the protein myosin to generate muscle contractions. Actin filaments/MTs assembly from monomeric actin/tubulin is caused due to energy expenditure, where ATP/GTP bound to actin/tubulin is hydrolyzed during polymerization. Finally, intermediate filaments (IFs) are a type of cytoskeletal element composed of a heterogeneous group of structural elements, and they are not found in all eukaryotes. The primary function of the IFs is to contribute to the mechanical support for the plasma membrane where these filaments come into contact with other cells and/or with the extracellular matrix. The IFs are not directly involved in cell movement. All 3 types of cytoskeletal elements (microfilaments, intermediate filaments, microtubules) can be visualized by fluorescence microscopy when cells express chimeric MT/IF/MF.–GFP fusion proteins.

8 0
3 years ago
Which diuretic remains effective when creatinine clearance drops below 25 ml/min?
OLga [1]
Loop Diuretics

These are diuretics that exerts effect on the loop of Henle.  They are primarily used in heart failure, hypertension and edema. In contrast with Thiazides, loop diuretics are more  effective in patients with abnormal kidney function. Loop diuretics inhibit the magnesium and calcium reabsorption in the thick ascending limb of Henle. Loop diuretics is highly protein bound. It has volume of distribution that is limited. This causes the diuretics to be secreted in the convuluted tubules  to exert its function.
6 0
3 years ago
Good morning have a nice day​
navik [9.2K]

Answer:

Good morning siso

have a nice day to you too

3 0
3 years ago
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Which of the following phrases best describes the
vesna_86 [32]

Answer:

The best description of the function of meiosis is that <em>it conserves chromosome number, produces haploid cells.</em>

8 0
3 years ago
What is the big bang theory, explain it in theory
KIM [24]

Explanation:

The Big Bang Theory is the leading explanation about how the universe began. At its simplest, it says the universe as we know it started with a small singularity, then inflated over the next 13.8 billion years to the cosmos that we know today

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