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Lerok [7]
3 years ago
5

Most of the animals in existence today had their origins during the:

Biology
1 answer:
frutty [35]3 years ago
4 0

Answer: During the Cambrian Explosion of Animal Life

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Why does the reduction of the dye DCPIP work best using the chloroplasts whose outer envelopes have been damaged during preparat
Stolb23 [73]

Answer:

NADP is the cofactors in photosynthesis which loses electrons,becomes reduced(NADPH) in photosynthesis. It transfer  electrons  in reduced form(NADPH) into the stroma of the chloroplast. The H is splits into e- and H+

These electrons for the ETC chains, generates the PMF for pumping H+ as protrons into the thylakoid  intramembranes.

Outer membrane covers  the intramembrane space, between these two membranes layers. The protons in the intramembrane space generate the electrochemical gradient for the supply of  the energy used by ATPase synthase for ATP synthesis from phosphorylation with ADP.

The chloroplast is made up of both the outer and inner membrane,separated by the intramembrane space. The walls of the intramembrane space is guided by the outer envelope. 

Therefore with the outer envelope removed, the intramembrane is exposed,more protons(H+) are released, but can not be held in the outer envelope to form electrochemical gradients,beacause the intramembrane space is now permable.

Thus   the rate of reduction of DCPIP is faster.The  color changes to colorless increases when reduced , from blue color.

Explanation:

7 0
2 years ago
What would happen to a signaling pathway if phosphatases had reduced levels of function?
Crazy boy [7]
Phosphates and kinases work together so I’d phosphateses are reduced in function, their function in Signal transduction pathways would be reduced.
4 0
2 years ago
An experiment during which two heterozygous individuals are bred and produce two different phenotypes for a single trait is term
vova2212 [387]

Answer:

monohybrid cross

Explanation:

An experiment during which two heterozygous F1 individuals are bred and produce two different phenotypes for a single trait is termed a monohybrid cross.

3 0
1 year ago
The diagram shows a simple lipid.
Evgesh-ka [11]

The correct answer is option A, that is, saturated.

The mentioned lipid is not a phospholipid, as it does not comprise a phosphate group at the terminal of the chain, and is not a triglyceride due to the absence of glycerol moiety.

Each carbon combined with the hydrogens forms the maximum number of possible C-H bonds, thus, there are no multiple bonds between the carbons. Hence, it can be concluded that the lipid is saturated.


3 0
2 years ago
DNA and RNA are both composed of nucleotides. However, RNA has three key differences. Please select the
svlad2 [7]

Answer:

Three items that are unique to RNA are as follows:

2. Single-stranded.

3. Contains the nitrogen base Uracil in place of Thymine.

4. Backbone contains the sugar ribose.

Explanation:

8 0
1 year ago
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