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hoa [83]
3 years ago
7

Which of the following statements is true?

Biology
1 answer:
Andre45 [30]3 years ago
3 0

Answer:

All the above

Explanation:

Cardiac muscle tissue is only found in your heart, where it performs coordinated contractions that allow your heart to pump blood through your circulatory system.

A calcium-rich diet is good for your bones, and calcium helps to build and protect them.

Red blood cells, most white blood cells, and platelets are produced in the bone marrow.

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Can some help me with this-
harkovskaia [24]

Answer:

Chloroplast

1. Help in photosynthesis

2.Plant cell

3.It is where chlorophyll is formed and this chlorophyll traps sunlight for photosynthesis.

4. C6H12O6 + 6O2--------> 6CO2 + 6O2 + Energy

Mitochondria

1.It posses it own DNA and also has a big surface area which makes it possible to generate more energy then supply them in the cells.

7 0
3 years ago
Humans, dimples are a dominant trait. Predict the percentage of children that will have dimples if one parent is heterozygous fo
Ghella [55]
The person above is right
3 0
3 years ago
In Texas, paddlefish are
elixir [45]

Answer:

The answer is an endangered species.

Explanation:

Paddlefish are now listed as a Texas threatened species and it is illegal to catch, kill, or harm a paddlefish in the state’s waters.

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2 years ago
Which two systems are used in order for your muscles to churn the stomach and aid in digestion
Anon25 [30]

Answer:

There's longitudinal,circular and obligue (diagonal)

Explanation:

These muscles allow the stomach to churn the food during digestion.

6 0
3 years ago
What term is used to describe 100’s or 1000’s of amino acids chemically combined?
hjlf

Answer:

Polypeptide

Explanation:

Amino acids are the building block and simplest unit of protein molecules. The structural composition of each amino acids is made up of an amine group (-NH2), a carboxylic acid group (-COOH), a hydrogen atom (H) and a R side chain that differentiates every amino acid from one another.

In a reaction process called condensation, amino acids are chemically joined together via the amine group of one and the carboxylic group of another. This process releases water molecule (H20) to form a bond called PEPTIDE bond between the amino acids. Several amino acids in their 100’s or 1000’s that are chemically joined this way forms a POLYPEPTIDE chain, which in turn forms the protein molecule.

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3 years ago
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