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1 year ago

All organisms need food for energy. But how does an organism's body actually get energy out

1 answer:

7 0

The true statements are molecules from food can provide energy to cells, breaking down molecules can release energy and cells use energy to promote the organism's growth.

Molecules from food can provide energy to cells. Energy-rich molecules from food are broken down to release energy that cells can use. Breaking down molecules can release energy. In cells, energy rich molecules are broken down to release energy. Cells use energy to promote the organism's growth. Cells use energy to power cell processes. These cell processes promote the growth of the entire organism.

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If 15% of a DNA molecule is made up of cytosine, what percentage is thymine? Explain your reasoning.

Alex

Answer:

The one with A is 35%

Explanation:

there is usually a 50 50 of cg and at so a would add with 15% to make 50%

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3 years ago

Diatoms contain _______ in their cell walls. This material is used industrially in the production of toothpastes, silver polishe

fgiga [73]

Answer:

silica

Explanation:

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2 years ago

The correct functions of your lungs contribute to the normal pH level of between 7.35 and 7.45 in your blood. If your lungs do n

anzhelika [568]

Answer:

Explanation:

The lung not being not been able to exchange and remove the carbon dioxide created a health problem due to the concentration of hydrogen ions (H+) being 10X being higher than in normal body. Although the difference is just about 1, it will result increase hydrogen ion concentration 10 times, similarly an increase or decrease in pH from 4 to 2 will give rise to 100 times increase in hydrogen ion concentration. It can equally be applied to hydroxyl in concentration.

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2 years ago

What is the final result of genetic drift in populations of

Inessa [10]

Answer: Genetic drift may result in the loss of some alleles (including beneficial ones) and the fixation, or rise to 100% frequency, of other alleles.Once it begins, genetic drift will continue until the involved allele is either lost by a population or is the only allele present at a particular gene locus within a population. ... Genetic drift can result in the loss of rare alleles, and can decrease the size of the gene pool.

Explanation:

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3 years ago

Read 2 more answers

Consider a cell that requires much more ribose5‑phosphate than NADPH. The cell needs ribose 5‑phosphate but has a relatively hig

Sergio039 [100]

Answer:

The fate of glucose-6-phosphate,glycolytic intermediates and pentose phosphate pathways are described below

Explanation:

Fate of Glucose -6-phosphate

Glucose-6-phosphate undergo dephosphorylation to form glucose when there is an increase demand of glucose in the body.

Glucose-6-phosphate enters into pentose phosphate pathway to synthesize ribose-5-phosphate which is used during denovo pathway of purine nucleotide biosynthesis.

Fate of glycolytic intermediates

Glyceraldehyde-3-phosphate is an important intermediate of glycolysis.The glyceraldehyde-3-phosphate act as a precursor during lipogenesis that deals with the biosynthesis of triacylglycerol.

Fate of pentose phosphate pathway intermediates

Ribose-5-phosphate and NADPH are the important intermediates of pentone phosphate pathway.

Ribose-5-phosphate act as a substrate molecule during the denovo biosynthesis pathway of purine nucleotides.

NADPH act as a reducing agent during fatty acid biosynthesis process.

4 0

2 years ago