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xenn [34]
3 years ago
9

Which is closer to the heart arteries or veins?

Biology
2 answers:
goldfiish [28.3K]3 years ago
8 0

Answer:

VEINS

Explanation:

it carry blood from the tissues of the body back to the heart.

-Hops

labwork [276]3 years ago
4 0

Answer

both are not close to the heart

Explanation:

Arteries divide into smaller arteries as they go away from the heart. The smaller arteries that connect to the capillaries, are called arterioles. Capillaries go between arteries and veins.

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Three complex carbohydrates that are very important in living things are starch, cellulose, and glycogen (see below).. All three
Hunter-Best [27]

Answer:

The functional group highlighted in pink alternates its position on the carbohydrate molecule

Explanation:

Complex carbohydrates or polysaccharides are large molecular weight molecules composed of repeating unit of simple carbohydrates which are joined together by covalent bonds known as glycosidic bonds. These glycosidic bonds are foremd between the carbon at position number 1 (known as the anomeric carbon) of one simple carbohydrate and a hydroxyl group of another simple carbohydrate.

The configuration of these linkages determines the properties and functions of the complex carbohydrates. The complex polysaccharides starch, glycogen and cellulose are all composed of glucose monomers linked together by glycosidic bonds.

In storage polysaccharides such as starch and glycogen whose function is to store the simple carbohydrate glucose for when needed by the organism, the glycosidic linkages are said to be in α-linkages, placing the functional groups (CH₂OH) all on the same side.

Even the branching points in glycogen are all in α-linkages. Humans have the enzymes to break these bonds so that starch and glycogen molecules can be metabolized by the body.

In a structural polysaccharide such as cellulose, the glycosidic linkages are β-linkages which results in alternating positions for the functional groups. Since humans do not have the enzymes responsible for the breakage of these linkages, hence, we cannot digest cellulose in our bodies.

6 0
3 years ago
Root nodules are associations between bacteria and plant roots responsible for
Andrews [41]

I think its B. Helping the plant convert necessary oxygen for use.

3 0
3 years ago
Read 2 more answers
The separation of the colors occurs because each different ____ of light ______, or bends a different amount
eduard
Answer: C

Explanation: Makes the most sense bc refraction is the bending of light
8 0
3 years ago
HELP ME AGAIN PLZ I'M EXTRA STRUGGLIN ON THIS BIOLOGY
e-lub [12.9K]

wait u go to the school i go to...but u must be in the high school cause my grade dont do biology unless your in 8th

Explanation:

7 0
3 years ago
A drug company is testing the effectiveness of a new blood pressure medicine using rats as the test subjects
Yanka [14]

A constant factor could be the dose of the drugs  and the species of the rats used.

<h3>What is a constant factor?</h3>

In an experiment, a constant factor is one that is not allowed to change al through the experiment. This one must be held as the same and not allowed to vary. A constant factor could be the dose of the drugs  and the species of the rats used.

The factor that would be different for the experimental group and the control group  the administration of the new drug.

Learn more about experiment:brainly.com/question/11256472

#SPJ1

6 0
2 years ago
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