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Paraphin [41]
3 years ago
12

Freshwater paramecium live in a hypotonic environment. Therefore there

Biology
1 answer:
kherson [118]3 years ago
6 0

Answer:

The answer is B

Explanation:

I guessed and got it right so

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PLLLLSSSSS HELP ASAP! :c
irina [24]
Hello again, I helped you with your geothermal question earlier.

I would believe that B would be correct, because if you decrease energy use, then you would use less energy when performing tasks.
4 0
3 years ago
Immature seed cones of conifers are usually green before pollination, and flowers of grasses are inconspicuously colored. What d
otez555 [7]
Immature seed cones of conifers are usually green before pollination, and flowers of grasses are inconspicuously colored. What does this indicate about their pollination? they are wind pollinated.
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2 years ago
The bacterium Methylophilus methylotrophus can use methanol and ammonia for protein synthesis. The glutamate dehydrogenase gene
VikaD [51]

Answer:

- Glutamate dehydrogenase has a low affinity for NH+4, and can only catalyze the formation of glutamate from alpha-ketoglutarate and NH+4, when the concentration of NH+4 is high.  

- Glutamate is the amino group donor for most transamination reactions involving amino acids, thus an increase in glutamate concentration increases protein synthesis.

Explanation:

Glutamate dehydrogenase (GLDH) is an enzyme found in prokaryotic and eukaryotic cells, which is known to catalyze the reversible oxidative deamination of glutamate (Glu) to alpha-ketoglutarate and ammonia at the same time the oxidation of NADH to NAD. In bacteria, this enzyme (GLDH) is efficient only at high concentrations of the ammonium cation (NH4+), because it has a low affinity for NH4+. Moreover, transamination is a pathway that involves the transfer of an amino group from one amino acid to a ketoacid in order to form new amino acids (this reaction is responsible for the deamination of most amino acids). Glu is the donor of amino groups in most of the reactions catalyzed by enzymes involved in the transamination between an amino acid and an alpha-keto acid. In consequence, in presence of GLDH, a high concentration of Glu will increase the production of new amino acids and therefore also protein synthesis.

6 0
3 years ago
What characteristic defines this organism as eukaryotic
olga55 [171]

Answer:

b

Explanation:

its an organism consisting of cells in the form of chromosomes with a distinct nucleus.

4 0
3 years ago
Who used to collect mosquitos for Roland Ross?
saul85 [17]
George MacDonald helped collect and build models of mosquitoes for Sir Ronald Ross. Hope this helps :).   <span />
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