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BARSIC [14]
3 years ago
15

List 4 observations that indicate that a chemical reaction may be taking place

Biology
1 answer:
Brut [27]3 years ago
4 0
Change it color, change in temperature, smell or odor, and gas release.

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What will happen if external factors affect cell division in a group of cells placed in a culture dish? A) Anchorage dependence
irakobra [83]

Answer:

option B is correct

Explanation:

the effect of external physical factor on cell division is clearly seen on in density dependent inhibition( a phenomenon in which crowded cell  stop dividing)

6 0
3 years ago
Which component is released from the active site of an enzyme during a chemical reaction?
nalin [4]
Product
I hope this helps.
7 0
3 years ago
Helps activate T cells, which are produced in bone marrow but mature in the thymus gland<br> HELLPP
love history [14]

Answer:

peptide antigens by MHC class II molecules

Explanation:

Helper T cells are activated by peptide antigens by MHC class II molecules. These antigens express on the surface of antigen-presenting cells (APCs). After activation, the T helper cells divide and secrete cytokines  to assist the immune response.

3 0
3 years ago
If you come across an unusual single-celled organism, what parts of the cell would you study in order to classify it into one of
enyata [817]
You would try to study the nucleus and the organelles of the organism to classify it
3 0
3 years ago
What process occurs in Box A?
SIZIF [17.4K]

Answer:

The process occurring in Box A is Glycolysis

Explanation:

Glycolysis is the pathway by which glucose, a six-carbon molecule is oxidized to molecules of pyruvate, a three-carbon molecule with the release of ATP and electrons which are carried by NADH molecules.

The process occurs in the cytoplasm of cells and requires 10 glycolytic enzymes.

The pyruvate molecules from glycolysis is first oxidized to acetyl-CoA and carbon dioxide molecules. The acetyl-CoA molecules enter the citric acid cycle occurring in the mitochondria and are used up in the production of  ATP, CO2, and electrons carried by NADH and FADH2.

The electrons carried by NADH and FADH2 from glycolysis and citric acid cycle are used in the oxidative phosphorylation pathway occurring inside the mitochondrion for transformation of oxygen molecules into water molecules with release of ATP.

8 0
3 years ago
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