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4 years ago

Which cell organelle is responsible for converting food to energy for the cell

Biology

1 answer:

Alexandra [31]4 years ago

6 0

Answer:

Mitochondria

Explanation:

its the powerhouse of the cell ;)

just messing with you. But in reality, the mitochondria converts food to energy in the cell.

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Many still argue that viruses are living as they can reproduce. Which of these is the best argument against viral reproduction?

kumpel [21]

Answer:

D. it is not true reproduction as a host cell is required to build new viruses

Explanation:

Viruses reproduce by using host cells to convert them into that virus. That is how they spread throughout your body.

8 0

3 years ago

An individual’s EKG shows changes in atrial contraction. Which image shows contraction of the atria?

Jlenok [28]

The right answer is The first image (the left one).

An atrium is an upper cavity of the heart, delimited by a thin wall, receiving blood from the bloodstream. There are two in the human heart, they allow the passage of blood from the veins (cellars and lungs) to the ventricles (right and left).

In its upper part (near the entrance of the superior vena cava) is located the sinus node, microscopic structure from which the electrical impulse which ensures the contraction of the heart (especially atrium) ...

The depolarization of the action potential is conducted step by step in the cells of the right and left atria, accompanied by a contraction of the muscle fibers.

7 0

3 years ago

Read 2 more answers

Explain how genetic information is stored in DNA and how this information is used to make functional proteins.

AfilCa [17]

Answer:

The correct answer will be- codons and each codon specific for amino acids.

Explanation:

Deoxyribose nucleic acid is the genetic material of the organism which provides instructions for the organism. DNA is made up of nucleotide monomers which are composed of five-carbon sugar deoxyribose, a phosphate group and four types of nitrogenous bases (adenine, guanine, cytosine and thymine).

It is the arrangement of these nitrogenous bases which provide codes to the organism as it forms mRNA molecule through transcription. The sequence of the nitrogenous bases in mRNA is read by the ribosome during translation.

The ribosome reads the bases in triplets called "codon" which code for a specific amino acid. If the sequence of the base changes, therefore, the amino acid also changes. These amino acids bond to each other by peptide bond and form a protein molecule.

6 0

3 years ago

In the table on the right, observe Krakauer's formula for benefit to dominant male. What is the benefit, B? calculate the value

Mashcka [7]

The table is an illustration of two-way table, and the value of the cost to net benefit to subordinate male is 0.1

<h3>The value of the benefit</h3>

From the table, the Krakauer's formula for benefit (B) is:

B = Offspring per dominant male - Offspring per solo male

The question has missing parameters, so we make use of the following assumed values:

Offspring per dominant male = 7
Offspring per solo male = 2

So, we have:

B = 7 - 2

B = 5

Using the assumed values, the value of the benefit is 5

<h3>The cost to subordinate male</h3>

The Krakauer's formula for cost (C) is:

C = Offspring per solo male - Offspring per subordinate male

Given that subordinate male never reproduce, the equation becomes

C = Offspring per solo male - 0

C = Offspring per solo male

Using the assumed value in (a), we have:

C = 2

Using the assumed values, the value of the cost to subordinate male is 2

<h3>The net benefit to subordinate male</h3>

The Krakauer's formula for this is:

Net Benefit = rB - C

Given that r = 0.42, the equation becomes

Net Benefit = 0.42 * 5 - 2

Evaluate

Net Benefit = 0.1

Using the assumed values, the value of the cost to net benefit to subordinate male is 0.1