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3 years ago

Photosynthesis is _____.

2 answers:

7 0

The answer here would be number 3, photosynthesis can e explained with the equation <span> carbon dioxide + water —> glucose + oxygen + water, this means that plants use light to convert carbon dioxide into carbohydrates or as you put it enery rich glucose molecules, this is the way plants make there food </span>

zalisa [80]3 years ago

6 0

Answer: The correct answer for the blank is-

3) The use of light energy to convert water and carbon dioxide into energy-rich glucose molecules.

Photosynthesis is process of formation of food ( glucose) in green plants and algae using carbon dioxide and water in the presence of sunlight.

In the first phase ( a light dependent phase), a green pigment called chlorophyll ( present in the chloroplast of plants and algae) first absorbs the energy from sunlight and converts it into chemical energy in the form of ATP, and NADPH.

This energy is then utilized in the formation of energy rich glucose molecule in the next phase, which is a light independent phase.

Thus, option 3) is the right answer.

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You have a bag of hot Cheetos lunch. List at least three organ systems you will need t use to eat the Cheetos, break them down f

kondor19780726 [428]

Muscular system, gastrointestinal system and excretory system are required for the process.

<h3><u>Explanation:</u></h3>

Cheetos is a nutrient rich diet which is actually a snack. Its a hard food, so needs to be chewed which uses the muscular system for chewing. The muscles of jaw like masseter and temporalis are required.

Now as the Cheetos are crunched, they need to be digested into finer particles and finally into the absorbable particles. This uses the gastrointestinal system. The enzymes digest the food and the villi of small intestine helps in the absorption.

The absorbed food are metabolized in liver and some excretory products are produced. They are excreted using the excretory system.

6 0

4 years ago

What does pH measure?

kogti [31]

Answer: Answer below

Explanation: pH is a measure of the acidity or alkalinity of a solution. What the pH scale measures is basically the concentration of hydrogen and hydroxyl atoms in a solution. So, the last option is the answer. Another thing to keep in mind is solutions with a pH under 7 are acidic, solutions with a pH of 7 are neutral, and solutions with a pH over 7 are alkaline or considered a base. I hope this helped! Good luck:)

7 0

3 years ago

Describe 3 pieces of evidence that supports human evolution by natural selection.

Nadusha1986 [10]

Answer:

Following are the evidences that support human evolution by natural selection:

i) Biogeography

ii)The fossil record

iii) Molecular Biology

Explanation:

i) Biogeography: it was the geographical distribution of species that was first suggested the idea of evolution to Darwin.

ii) The fossil Record: The succession of fossil forms is strong evidence in a favor of evolution. It provides a visual record in a complete series showing the evolution of an organism.

iii) Molecular biology: Evolutionary relationships among species are reflected in their DNA and proteins, in their genes and gene products.

7 0

3 years ago

Propose an explanation for why DNA is transcribed<br> into RNA rather than directly into a proteins

Nady [450]

DNA has to be transcribed into RNA because not only can dna not leave the nuclear for translation at the ribosomes
Also for translation to occur the codons on the mRNA match up with the codons on the tRNA which is connected to the amino acids forming the chain

8 0

3 years ago

Which group of organisms produces energy from sunlight and is also known as blue-green algae?

artcher [175]

<span>Which group of organisms produces energy from sunlight and is also known as blue-green algae?</span> cyanobacteria

5 0

4 years ago