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Anestetic [448]
2 years ago
7

I need this answer rn pls

Biology
2 answers:
Kobotan [32]2 years ago
8 0

Answer:

Tom's plan is more thorough and exact

Explanation:

When describing a scientific experiment it is very important that you describe the steps as thoroughly as possible so that it may be accurately repeated by peers.

dusya [7]2 years ago
5 0
Tom’s plan is more through an exact
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6. Photosynthesis uses energy of sunlight to convert water and carbon
Blababa [14]

Answer:

d

Explanation:

sugars are also known as glucose and the formula for photosynthesis is water+carbon dioxide=oxygen+glucose

3 0
3 years ago
When your cells use fat for energy, the fatty acids are broken up into molecules of acetyl COA. Predict how many ATP can be made
IgorC [24]

Answer:

12 molecules of ATP can be made from one molecule of acetyl CoA.

Explanation:

If one molecule of acetyl CoA enter TCA cycle then it result in the formation of 3 molecules of NADH,1 molecule of FADH2 and 1 molecule of GTP that is equivalent to 1 molecule of ATP.

                        Now the reducing equivalent such as NADH and FADH2 enters electron transport chain and get oxidized to regenerate NAD+ and FAD along with ATP. 1 molecule of NADH produces 3 molecules of ATP whereas 1 molecule of FADH2 produces 2 molecules of ATP.

               So that net gain of ATP is given below

3 molecules of NADH = 9 molecules of ATP

1 molecule of FADH2 =2 molecules of ATP

1 molecule of GTP = 1 molecule of ATP

As a result total 12 molecules of ATP is by the oxidation of 1 Acetyl CoA  by TCA cycle .

7 0
3 years ago
The cholera toxin, an AB exotoxin, attaches an ADP-ribose group to the host's stimulatory G factor (Gs). The normal function of
SCORPION-xisa [38]
<h2>b) option is correct </h2>

Explanation:

  • Some bacterial toxins cause disease by  altering the activity of G protein, cholera toxin is one of them
  • Cholera toxin catalyse ADP ribosylation of Gs and blocks GTPase activity thus Gs GTP become permanently active
  • Constitutive activation of Gs protein continuously induce adenylyl cyclase, cytosolic cAMP level rises that leads to activation of protein kinase A (pKA)
  • Activated pKA catalyse phosphorylation of two transmembrane proteins of intestinal epithelial cells:
  • CFTR cause excessive outflow of Cl- ion and Na+ H+ exchange cause efflux of Na+ ion, both enters in gut and form Na+ Cl-
  • Na+Cl- leads to outflow of water from the gut, resulting in diarrhea and dehydration and this condition may cause death of organisms due to loss of water and ions  
6 0
3 years ago
Which of the following best describes the term predation?
worty [1.4K]

one species using another as a food source, typically killing it

7 0
3 years ago
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State and discuss two types of immunity.<br>​
Illusion [34]

Answer:

How Does the Immune System Work?

Innate immunity: Everyone is born with innate (or natural) immunity, a type of general protection. ...

Adaptive immunity: Adaptive (or active) immunity develops throughout our lives. ...

Passive immunity: Passive immunity is "borrowed" from another source and it lasts for a short time.

7 0
2 years ago
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