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Ulleksa [173]
2 years ago
10

Functions of the roots include,___

Biology
2 answers:
Sedaia [141]2 years ago
8 0

Answer:

....

Explanation:

.....

aksik [14]2 years ago
7 0

Answer:

answer is a the plant absorb waters and minerals

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What level has the most available energy<br>​
katrin [286]

Answer:

trophic level is the answer

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3 years ago
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In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fo
AURORKA [14]
Hello there!

I had a question just like this before and I believe there are options to choose. It doesn't matter, I'll work it out.
-------------------------------------------------------------------------------------------

We can determined that jellyfish existed before trilobites and ammo-nites.


I hope I helped!

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3 years ago
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Which of the following is true of carbon dioxide exchange? Select one: a. Carbon dioxide is produced in the mitochondria and cyt
sergey [27]

Answer:

d. Hemoglobin helps maintain a constant pH in the blood by binding with H⁺ions released from bicarbonate ions.

Explanation:

The presence (CO₂) in in the erythrocytes lowers its pH as a result the affinity of hemoglobin decreases for oxygen. The carbon dioxide (CO₂) reacts with water to form carbonic acid in the presence of the enzyme carbonic anhydrase which is present in the erythrocytes or red blood cells. The carbonic acid then changes into two ions hydrogen ion (H⁺) and bicarbonate ion (HCO₃⁻).  As a result of H⁺ ions, the pH of blood drops. Haemoglobin pick up hydrogen ions to balance the decrease in pH. Thus, haemoglobin helps in maintaining constant pH or keep pH of blood in buffer.

5 0
3 years ago
Pancreatic cells, which secrete a large amount of digestive enzymes, are labeled with radioactive leucine and then chased for se
LiRa [457]

Answer:

Option-C

Explanation:

A pulse-chase experiment which is used to study the cellular process taking place in the cells. This uses the labelled molecule which is incorporated into the cellular pathway and then the unlabeled molecules are used over time to determine how much time is required by the unlabeled molecule to replace the labelled molecule.

In the given question, the pancreatic cell which secretes the digestive enzyme known as the acinar cell is labelled with the leucine and then used unlabeled leucine.

When observed after three hours, the black spots will appear on the exterior of the cell as the protein has been synthesised by the ER and now has been secreted from the cell.

Thus, Option-C is the correct answer.

5 0
3 years ago
First person to Answer gets a Brainliest!!
noname [10]

Answer:

A) Chlorophyll absorbs sunlight energy for photosynthesis. :)

Explanation:

To quote Nat Geo:

"Chlorophyll’s job in a plant is to absorb light—usually sunlight. The energy absorbed from light is transferred to two kinds of energy-storing molecules" :)

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3 years ago
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