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Vedmedyk [2.9K]
3 years ago
13

Vestigial Structures are "left over" traces of evolution that serve no purpose. For example, wisdom teeth or appendix.

Biology
1 answer:
serious [3.7K]3 years ago
6 0

Answer:

false i guess sorry if it is wrong

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These adaptions make agave plant most suitable to survive in ___ environment
Sergio039 [100]

Answer:

Need more information

Explanation:

Temperate: mild with normal temperatures and average rain

Tropical: lots of rain/ warm like an island (hawaii or jamaica)

Desert: hot and dry

Taiga: cold with lots of trees and mountains

5 0
3 years ago
Please help im timed what are the functions of a root? (select all that apply). they absorb water from the soil. they repair car
Lunna [17]

Answer:

All of them are correct except for, "they repair carbon dioxide for photosynethesis because they just don't.

Explanation:

They don't

7 0
2 years ago
this part of the stomach contains thick muscle to mix the food and move the food into the duodenum. it is called _____.
Alla [95]

Answer:

Pylorus

Explanation:

The stomach is a J-shaped organ which is a part of the digestive system. The digestive system on one end is attached to the oesophagus and on the end to the small intestine.

The pylorus structure of the stomach is composed of thick muscles which help to mix or agitating the food in the stomach and controls the movement of the food to the duodenum which is the first part of the small intestine. The movement is controlled by the ring of muscles in the pylorus called pyloric sphincter.

Thus, Pylorus is the correct answer.

6 0
3 years ago
Identify the structures of the brain.<br><br> Label A<br> Label B
IrinaK [193]
A. cerebellum
B. medulla oblongata
3 0
3 years ago
Lactose when digested, it is hydrolyzed by lactase into its monomers, which are then absorbed by blood. Following are test resul
kap26 [50]

Answer: Based on the information, the person DOES NOT have lactose intolerance because glucose levels significantly increases in normal individuals after a lactose rich meal.

Explanation:

Lactose is a disaccharide carbohydrate which when taken (found mostly in diary products) is hydrolyzed by lactase into its monomers, which are then absorbed into the blood. The hydrolysis of lactose gives glucose and galactose which is carried out by the digestive enzyme lactase. Deficiency of the lactase enzyme gives rise to a disorder known as LACTOSE INTOLERANCE.

The diagnosis of lactose intolerance or lactase deficiency can be confirmed by measuring the plasma glucose concentrations, as in glucose tolerance test, after giving an oral load of lactose rich solution. If the disaccharide (lactose) cannot be hydrolysed, the constituent monosaccharides cannot be absorbed and the concentrations of plasma glucose rise VERY little.

But the fasting blood glucose done after 2 hours of drinking a lactose rich solution showed a typical rise in blood glucose levels which were 80, 90, 100, 110 and 120 mg/ dL tested for every 30 minutes. This indicates that the individual does not have lactose intolerance because the glucose gotten from hydrolysed lactose was absorbed and cause a significant rise in blood levels.

3 0
3 years ago
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