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Ivahew [28]
2 years ago
12

In active transport, molecules are moved across the cell membrane with the help of:

Biology
2 answers:
astraxan [27]2 years ago
8 0
C, Proteins is the correct answer
andreyandreev [35.5K]2 years ago
8 0
The correct answer is C
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Why is the nitrogen cycle important for the survival of organisms in an ecosystem? A. The nitrogen cycle recycles nitrogen throu
Dahasolnce [82]

Answer: A.) The nitrogen cycle recycles nitrogen through an ecosystem, making it available to all organisms.

Explanation: Nitrogen is an essential nutrient for plants and a significant component of proteins, which all animals need to grow, reproduce and survive. The nitrogen cycle converts nitrogen into compounds that plants and animals can use.

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3 years ago
write one clear sentence using all the words in the set that demonstrates your understanding of their relationship here are the
SIZIF [17.4K]

Answer:

Microtubules have shapes like a spindle and are arranged to form centrosome and a cluster of such microtubules form centriole.

Explanation:

Microtubules are seen in eukaryotic cells to give shape and structure to the cells and they form part of the cytoskeleton. They are known to grow long and are dynamic. Centrosomes are known to be main microtubule that are found in animal cells. They are organelles that are made from the arrangement of clusters of microtubules. The centrioles are organized microtubules that actually help to serve as skeletal system of the cell. These centrioles  help to determine the locations of the nucleus.

6 0
2 years ago
In three to five sentences, describe the advantages and disadvantages of these maps in modeling mitosis.
Nina [5.8K]

Modelling refers to using a diagrammatic representation to present a particular event or biological activity.

The two maps shown are very good for representing/modelling mitosis.

Advantages

  • They clearly lists the various steps involved in mitosis and as well included the process of cell division starting from the interphase stage (for the second diagram).
  • The M phase was also clearly explained in the first diagram.

Disadvantages

  • The first pictorial diagram had to labelling to depict the name of each particular phase and makes understanding difficult.
  • The second diagram fails to show pictorial representation of what could have exactly happened in each stage in the process of cell division.

Learn more about cell division: brainly.com/question/796780

3 0
2 years ago
The movement of energy through an ecosystem is best described as a A. food web. B. trophic level. C. food chain. D. cycle diagra
umka2103 [35]
The answer is C. food chain
8 0
3 years ago
I will mark you brainlist!
Andrews [41]

Answer: A ?

Explanation:

4 0
2 years ago
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