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ValentinkaMS [17]
3 years ago
7

How was the cane toad introduced in Australia

Biology
1 answer:
never [62]3 years ago
4 0

Answer: Option B)

Im 100% sure its the answer!

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Compare the similarities and difference between anaerobic respiration in animal and yeast cells.​
Ivenika [448]

Answer:

<h2><em>Explanation: Anaerobic bacteria can sustain itself without the presence of oxygen. Almost all animals and humans are obligate aerobes that require oxygen for respiration, whereas anaerobic yeast is an example of facilitative anaerobe bacteria.</em></h2><h2><em>Hope</em><em> </em><em>it</em><em> helps</em><em>.</em><em>.</em></h2>
7 0
3 years ago
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In some pea plant crosses, the plants are self-pollinated. Is self-pollination considered asexual or sexual reproduction? Explai
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7 0
3 years ago
Glucagon is a hormone that is released when the level of glucose in the blood is low. Glucagon uses a G protein signaling pathwa
allsm [11]

NOTE: the steps of the signal transduction pathway to be arranged is in the attached file.

Answer:

The correct signal transduction pathway in order from the releasing of glucagon into the blood to the promotion of glycogenolysis includes:

- Glucagon binds extracellulary to G- protein coupled receptor.

-G protein releases GDP and binds FTP

-Activated G protein activates adenylate (adenylate) cyclase.

-Adenylate cyclase converts ATP to cAMP.

-Cyclic AMP activates protein kinase A

- phosphorylase kinase phosphorylates glucogen phosphorylase, an enzyme needed for glycogenolysis.

Explanation:

As carbohydrates from food consumed is digested, it's end product, the glucose, is assimilated into the cells for energy production through the help of insulin in a process called glycolysis. Excess of glucose is stored in the liver as GLYCOGEN.

In cases where there is reduced sugar in the blood (hypoglycemic state) another pathway (known as glycogenolysis through

GLUCAGON hormone) is initiated to elevate the concentration of glucose in the blood.

7 0
3 years ago
(Fill in the Blank)
damaskus [11]

In the endosymbiont theory, an engulfed prokaryote that could perform  respiration evolved over the generations into mitochondria providing the cell with an efficient means of producing ATP from organic compounds.

Similarly, an engulfed prokaryote that could perform photosynthesis evolved over the generations into chloroplast providing the cell with sunlight-generated sugar.

Explanation:

Endosymbiosis is the mutual relationship between two organisms. The theory explains that eukaryotes have evolved from prokaryotic cell or organism.

The host eukaryotic cell engulfed bacteria or prokaryote as bacteria was once an independent entity which could perform cellular respiration and photosynthesis. Possibility of one more cell which engulfed other cells is there.

Mitochondria have its own DNA and is the centre of ATP production which suggests that mitochondria has evolved over the time by photosynthetic bacteria. Sequence analysis also suggest that mitochondria had evolved from eubacteria.

The bacteria integrated into plant cell able to perform photosynthesis has evolved in to chloroplast int the plant cells.

4 0
3 years ago
Why are virus considered to be nonliving
Sidana [21]

Answer:

because it doesn't need to consume energy to survive, nor is it able to regulate its own temperature.

Explanation:

Hope it helps! ^_^

8 0
2 years ago
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