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3 years ago

Plucking _____.

Biology

2 answers:

Morgarella [4.7K]3 years ago

3 0

Plucking happens when glaciers pull rocks from Earth's surface.

xx ;))

VashaNatasha [74]3 years ago

3 0

(A) Happens when glaciers pull rocks from Earth's surface.

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In response to high amounts of phosphate transport into the cell: a. PhoR is phosphorylated by the phosphate transporter protein

storchak [24]

Answer:

e. PhoU keeps PhoR bound to the phosphate transporter protein Pst

Explanation:

PhoU is a membrane protein known to regulate the transport of phosphate (Pi) between cellular compartments. It has been discovered that mutations in this protein cause lethality because the cell becomes incapable of controlling the intracellular levels of Pi, this being toxic for the cell. PhoR is a histidine kinase/phosphatase. When the Pi level is considered to be a limiting factor, PhoR autophosphorylates at a histidine residue and then donates its phosphoryl group to PhoB. On the other hand, when the Pi level is high, this protein removes the phosphoryl group from phospho-PhoB. Finally, the Pst is a signal transduction protein that acts as a transporter capable of switching its conformation during the transport of PI.

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3 years ago

Which of the following is true for a cell that has a flagellum?

Ad libitum [116K]

The first one is the answer i think dont quote me

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3 years ago

One species of cube-shaped organism is 2 cm on each side. Another is 1 cm on each side. About how much faster will the smaller c

goldenfox [79]

Answer:

I believe the correct answer of the first question from the choices listed above is the first option. About 2 times faster the smaller cube organism be able to absorb oxygen. Hope this answers the question. Have a nice day. Feel free to ask more questions.

Explanation:

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3 years ago

(GIVING BRAINLIEST!!)

Brilliant_brown [7]

Answer:I think it is B

Explanation:It is the invisible process of evaporation that changes liquid and frozen water into water-vapor gas, which then floats up into the skies to become clouds.

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3 years ago

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Suppose that a strain of bacteria lacks a key biochemical used in purine synthesis. Complete all the statements about purine syn

olga55 [171]

Answer:

1. Phosphoribosyl amine

2. glycinamide ribonucleotide (GAR), a formyl group

3. Formylglycinamide ribonucleotide (FGAR), an amino group

4. Carboxyaminoimidazole ribonucleotide (CAIR), an amino group.

Explanation:

1. Phosphoribosyl amine will accumulate in bacteria that lack glycine.

2. The intermediate glycinamide ribonucleotide (GAR) will build up in the absence of tetrahydrofolate.

N10‑Formyltetrahydrofolate donates a formyl group to the substrate

3. Formylglycinamide ribonucleotide (FGAR) will accumulate in the absence of glutamine.

Glutamine donates an amino group

4. The intermediate carboxyaminoimidazole ribonucleotide (CAIR) will accumulate when aspartate is lacking.

Aspartate donates an amino group.

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3 years ago