Which describes a way in which phosphorus may enter into the phosphorus cycle?

1 answer:

4 0

A way in which phosphorus may enter into the phosphorus cycle is that when human use of fertilizers release phosphorus into the groundwater. Hope this answers the question. :))

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Is how gases and nutrients pass from the body tissues into the bloodstream

Arlecino [84]

Blood moves very slowly through capillaries. As the blood moves through a capillary, nutrients, oxygen, and food leave the blood and enter the body cells. ... Capillaries are exchange vessels. Gases (oxygen and carbon dioxide), nutrients, and wastes pass in both directions across capillary walls.

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3 years ago

INFER Which of the following statements describes the structure of nucleotides that

never [62]

Answer:

b., c., e. are the answers.

Purines have double rings, whereas pyrimidines have single rings.

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PLEASE HELP I WILL GIVE BRAINLIEST, 5 STARS, A LIKE, AND A FOLLOW PLEASE ANSWER CORRECTLY

Mama L [17]

Answer:

-The three main types of muscle include skeletal, smooth and cardiac.

- Skeletal muscle – the specialised tissue that is attached to bones and allows movement. ...

Smooth muscle – located in various internal structures including the digestive tract, uterus and blood vessels such as arteries. ...

Cardiac muscle – the muscle specific to the heart.

-Skeletal muscles are attached to the skeleton by tough connective tissues called tendons

-Many skeletal muscles are attached to the ends of bones that meet at a joint. The muscles span the joint and connect the bones. When the muscles contract, they pull on the bones, causing them to move.

-They are lightweight yet strong and hard, and serve multiple functions.

-The joints help attach bones to one another to provide flexibility & allow the muscles to help give the bones a way to move.

- The nervous system helps all the parts of the body to communicate with each other.

-Your nervous system uses specialized cells called neurons to send signals, or messages, all over your body.

-homeostasis?

Receptors in muscles provide the brain with information about body position and movement. The brain controls the contraction of skeletal muscle. The nervous system regulates the speed at which food moves through the digestive tract.

ive listed the answers in order. hope this helps :) i will appercite if you give me brainliest.

Explanation:

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2 years ago

What are the role of all four types of lipids: fats, phospholipids, waxes, and steroids.

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Steroids
are complex structure four connected rings of carbon atoms. They are cholesterol which is in all body cells and used to synthesize other steroids:sex hormones, such as estrogen, and testosterone and several hormones from the adrenal glands.

Waxes
are comprised of an ester of a long-chain alcohol and a fatty acid. Many plants have leaves and fruits with wax coatings to help prevent water loss.

Phospholipids
consist of Glycerol portion and fatty acid chains. Only two fatty acids chains; in place of the third is portion that include a phosphate group. THe phosphate portion is soluble in water [hydrophobic] forms the ''head'' of the molecule, while the fatty acids portion is insoluble in water [hydrophobic] and forms a ''tail''.

Fats
to store energy for cellular activities. Carbohydrates fat molecules are composed of carbon, hydrogen and oxygen atoms.

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3 years ago

What is the principal male sex hormone

Paladinen [302]

Testosterone is the principal male sex hormone.

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