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NemiM [27]
4 years ago
14

How might mutations have allowed for the diversification of plant life on the Hawaiian islands

Biology
1 answer:
LiRa [457]4 years ago
4 0

Answer:

The mutations were beneficial for each new environment.

Explanation:

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Cellulose is?
jeyben [28]

Answer:

a

Explanation:

an insoluble substance which is the main constituent of plant cell walls and of vegetable fibers such as cotton. It is a polysaccharide consisting of chains of glucose monomers

8 0
3 years ago
After school, Kai feels hungry and tired. He finds some sugar cookies in the cabinet and finishes the whole package. Which state
DedPeter [7]

The correct answer is Glucagon was secreted by his pancreas before he ate the cookies because his blood glucose was low. Insulin was secreted after he ate the cookies because his blood glucose was high.  

At the time of hunger, the blood glucose level decreases, and glucagon at that time, that is, the hormone discharged by the islets of Langerhans increases the level of sugars in the body. The stored glucose in the liver gets discharged due to the presence of glucagon, which eventually elevates the level of glucose in the blood.  

In the given case, when Kai ate the cookies, the level of glucose in the blood got increased and even elevated from the normal level in the blood. At that time, the insulin hormone is discharged from the islets of Langerhans, which helps the cells of the body to absorb the molecules of glucose and thus lowers the concentration of glucose in the blood. Therefore, both the hormones help in monitoring the levels of glucose in the body.  


3 0
4 years ago
Read 2 more answers
Which of the following situations or phrases most accurately describes the citric acid cycle?
Bond [772]

The correct answer is: B) "All roads lead to Rome"

Citric acid cycle also called tricarboxylic acid (TCA) cycle and Krebs cycle is a central process in cellular respiration. Citric acid cycle that connects carbohydrate, fat, and protein metabolism so “all the roads” from the different metabolic pathways come to this cycle.

Acetyl-CoA which is produced through the oxidation of pyruvate (pyruvate is a product of glycolysis) enters the cycle which then produces reduced electron carriers NADH, FAD2 and energy molecule ATP. These electron carriers will then pass their electrons into the electron transport chain and, through the process of oxidative phosphorylation, will produce more ATP.

7 0
3 years ago
When do the first land vertebrates appear in the geologic time scale?
sertanlavr [38]

Answer:

About 450 million years ago

8 0
3 years ago
What are two ways that a flood can negatively impact an ecosystem?
Korvikt [17]

Answer:

Floods Cause Sedimentation and Erosion.

Explanation:

4 0
2 years ago
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