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Masteriza [31]
3 years ago
5

As altitude increases in the troposphere and

Biology
1 answer:
quester [9]3 years ago
4 0
I think the answer is D
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47. Find the mismatched pair: A)Facilitated diffusion Extrusion of ions or small molecule with expense of Ar B) Uniport-A single
andrew-mc [135]

Answer:

Option (A).

Explanation:

Facilitated diffusion may be defined as the process of  movement of the particles from the region of higher concentration towards the region of lower concentration with the help of specific integral transmembrane protein.

Facilitated diffusion is a type of passive diffusion and solute particle down the concentration gradient. So this process doesn't require an ATP or any other energy source.

Thus, the mismatched pair is option (A).

4 0
3 years ago
If cyanobacteria never evolved during earth's history, how would their absence affect the composition of earth's atmosphere?
Blababa [14]
Cyanobacteria, also known as blue-green algae, are found in vast quantities in fresh and salt water. Cyanobacteria are able to conduct photosynthesis. By utilising energy from the sun, they produce carbohydrates from water and carbon dioxide. As a byproduct, they produce oxygen. So cyanobacteria provided oxygen to the atmosphere that allowed other lifeforms to develop.
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3 years ago
A client is to have a hip replacement in 3 months and does not want a blood transfusion from random donors. what option can the
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5 0
3 years ago
ANSWER ASAP PLEASE <br><br> What impact do trees have on the food web?
kati45 [8]

Answer:

Abiotic factors such as latitude and temperature can impact biotic aspects of food web structure like the number of species, the number of links, as well as the proportion of basal or top species. These biotics factors can in turn influence network-structural aspects like connectance, omnivory levels or trophic level. In this way, plants make, or produce, the beginnings of most of the food energy on Earth. This is why plants are called producers. They use some of the food energy to carry out their own functions, and store the rest of the energy in their leaves, stems, roots and other parts.

Explanation:

4 0
3 years ago
Read 2 more answers
Which of the following does NOT occur during mitosis? a) Centromeres split, b) chromosomes replicate, or c) spindles form?
Andreyy89
The answer is <span> b) chromosomes replicate

DNA replication occurs before mitosis. So, duplicated chromosomes are already present in mitosis. They are connected by centromeres. During different phases of mitosis, spindles are formed and pull chromosomes toward the opposite poles of the cell so centromeres must split.</span>
8 0
3 years ago
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