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Lady_Fox [76]
3 years ago
8

Which image best illustrates the magma convection currents within Earth’s interior?

Biology
2 answers:
liubo4ka [24]3 years ago
3 0
We can't answer that question because you have not provided us with a picture. Sorry
masya89 [10]3 years ago
3 0
The one with the circles in the mantle :)
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Rich has just been infected with the hiv virus. the infection cannot be confirmed biochemically for at least __________ .
mario62 [17]
For at least 60 days.
8 0
3 years ago
Which of the following statements correctly describes some aspect of ATP hydrolysis being used to drive the active transport of
saw5 [17]

Answer:

B) This is an example of energy coupling

Explanation:

Energy coupling is a process by which cells carry out thermodynamically unfavorable, endergonic (energy-requiring) reactions to other exergonic (reactions that liberate free energy) reactions.

Reactions which are endergonic do not occur spontaneously as they result in a decrease in entropy and a positive free energy change, ∆G.

Exergonic reactions occur spontaneously as they result in an increase in entropy and have a negative free energy change, ∆G.

For example, the active transport of ions against their concentration gradients in cells is a non-spontaneous endergonic process which is coupled to the hydrolysis of ATP, an exergonic process in other for the reaction to proceed. ATP hydrolysis phosphorylates an amino acid side chain in the transport protein which then drives the forward process of transport of the ion.

Considering the above,

Option A: The hydrolysis of ATP is endergonic, and the active transport is exergonic is false because ATP hydrolysis is exergonic while active transport is endergonic.

Option B: This is an example of energy coupling is true.

Option C: Both ATP hydrolysis and active transport are spontaneous because they result in an increase in entropy of the system is false because only ATP hydrolysis is spontaneous

Option D: Neither ATP hydrolysis nor active transport is spontaneous is false because ATP hydrolysis is spontaneous.

Option E: ATP is acting as a transport protein to facilitate the movement of the ion across the plasma membrane is false because ATP is not a protein, rather it serves to activate the transport protein by phosphorylating it.

8 0
3 years ago
50 points and brainleist how can i gain weight if i was born 4 days early than due date DON'T GOOGLE
ivann1987 [24]
Being born a few days before your due date shouldn’t cause a big difference in your health. To gain weight you should try to eat thing high in protein, healthy fats, and some carbs. Most people try to gain weight by eating foods with a lot of saturated fat (is potato chips) but try to maintain a diet with a good calorie intake.

However I am not a professional and if you are worried about your weight, go to a nutritional to see what meal plan they will give you

This is what I try to eat, I am 100 pounds, 5.2, female.
Eggs (taste terrible in my opinion but are extremely nutritious) for breakfast
Salad with chicken for one meal
Meat dish with rice, or vegetables, sometimes spaghetti
8 0
3 years ago
Which would be more likely to carry out endocytosis: a white blood cell engulfing foreign materials or a cell that excretes horm
Irina-Kira [14]

A white blood cell engulfing foreign materials is more likely to carry out Endocytosis.

Explanation:

  • Endocytosis is the process by which a cell takes up a macromolecule into is cytoplasm by forming a vessicle.
  • In the question two cases are given, both the cases involve the formation of membrane bound  vessicle but in different ways.
  • The excretion of hormones involves the movement of molecule outside the cytoplasm. This process is exocytosis.
  • The engulfment of an antigen by WBC involves taking up of molecule within the cell so that it can be killed and digested. Thus in  this case  Endocytosis is more likely to occur..
4 0
3 years ago
Qual é a principal função da célula biliar?
SSSSS [86.1K]

<span>A vesícula biliar é uma estrutura em forma de pêra, oca localizada sob o fígado e no lado direito do abdômen. Sua principal função é armazenar e concentrar a bile, uma enzima digestiva marrom-amarela produzida pelo fígado. A vesícula biliar é parte do trato biliar.</span>
4 0
3 years ago
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