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il63 [147K]
2 years ago
5

What are the differences in the dynamics of microtubules and actin filaments?

Biology
1 answer:
masya89 [10]2 years ago
3 0

Answer:

Microtubules, like actin filaments, are dynamic structures: they can grow and shrink quickly by the addition or removal of tubulin proteins. Also similar to actin filaments, microtubules have directionality, meaning that they have two ends that are structurally different from one another. I hope this helps :)

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What is true about elements and compounds? A. Elements contain two or more compounds. B. Compounds contain two or more elements.
spin [16.1K]

Answer: B) Compounds contain two or more elements

Explanation:

5 0
3 years ago
As most microbes reproduce asexually, "species" are defined by differences in their dna sequences. when the genome of soil micro
Rasek [7]

As most microbes reproduce asexually, "species" are defined by differences in their DNA sequences. when the genome of soil microbe a is analyzed, long stretches of genes from multiple species of other soil microbial species are discovered. This indicates that the microbes present in the soil underwent transformation and transfection. Transformation, shown in the image, is the process of the prokaryotic nucleus taking up the foreign DNA from other microbes present in the environment. Tranfection is like transformation but for the eukaryotic cells.

5 0
3 years ago
Read 2 more answers
compare and contrast the processes of photosynthesis and aerobic respiration. how are they similar and how do they differ?
Brut [27]

Answer:

Explanation:

Photosynthesis and cellular respiration (aerobic) are both metabolic processes that occur in specialized organnelles of living cells. These two processes are so unique to one another in the sense that one uses the product of the other as a reactant and vice versa.

Photosynthesis is an anabolic reaction that occurs in the Chloroplast of autotrophs in which captured energy from sun is used to synthesize organic food (glucose) by combining carbondioxide (CO2) and water. Oxygen is released in this photosynthetic process.

6CO2 + 6H20 --------> C6H12O6 + 6O2

Aerobic cellular respiration, on the other hand, is a catabolic process undergone by every aerobic living cell (in the mitochondria) in which glucose is broken down in the presence of oxygen to produce ATP (energy) releasing CO2 and water (H2O) in the process.

C6H12O6 + 6O2 ------> 6C02 + 6H2O

One spectacular difference is that photosynthesis uses solar energy (from sun) while aerobic cellular respiration uses chemical energy to power the process.

8 0
3 years ago
A new wonder diet that results in a dramatic weight loss sweeps through the United States. The key to the diet is to eat large a
Mrac [35]

Answer:

1) Decrease

2) Demand for beef

3) Left

4) demand

5) Lower

Explanation:

As millions of Americans switch to the new diet, we can expect a(n) _decrease____ in the __demand for___ beef, leading to a shift to the __left___ in the __demand___ curve for beef and _lower____ beef prices.

8 0
2 years ago
Adherens junctions ______________________. (a) can be used to bend epithelial sheets into tubes. (b) are most often found at the
Paladinen [302]

Answer:

(a) can be used to bend epithelial sheets into tubes.

Explanation:

The adherens junctions are cell-cell adhesions localized in places exposed to abrasion or mechanical stress, close to the apical membrane in epithelial cells is one of these locations. Some of their functions are the initiation and stabilization of cell-cell adhesion, <em>they join the actin cytoskeleton to the plasma membrane to form adhesive contacts between cells that contribute to the folding and bending of epithelial sheets,</em> therefore they can mediate adhesion and signaling.

I hope you find this information useful and interesting! Good luck!

8 0
3 years ago
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