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attashe74 [19]
3 years ago
10

Which organelle is responsible for allowing materials to move in and out of the

Biology
1 answer:
Nimfa-mama [501]3 years ago
3 0
The answer is cell membrane
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Light of a certain energy shines on a metal and causes electrons to be emitted.
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What is a bacteriophage? a nucleic acid that infects viruses a bacterium that infects viruses a virus that infects bacteria a pr
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Bacteriophage is a virus that infects bacteria.

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What were the major contributions of the H.M.S. Challenger to the study of oceanography? How did its expedition contribute to fu
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The H.M.S. Challenger embarked from Portsmouth, England on December 21, 1872 and changed the course of scientific history. Physicists, chemists, and biologists collaborated with expert navigators to map the sea. This interdisciplinary spirit has continued to the present day. During the 4 year journey, the voyages circumnavigated the globe, sounded the ocean bottom to a depth of 26,850 feet, found many new species, and provided collections for scores of biologists.

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Match the term or phrase with the correct macromolecule. Note that a macromolecule may be used more than once or not at all.
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1. Carbohydrate

2. Carbohydrate

3.  Lipids

4. Proteins

5. Nucleic Acids

6. Lipids

7. Proteins

8. Nucleic Acids

Explanation:

1. Carbohydrate is used as primary source of energy in cells as each sugar molecule in carbohydrate breaks and form high energy ATP, which is primary energy utilized by  all cells.

2. Carbohydrates  have the basic formula CH2O as carbohydrate is composed of of carbon and a 2:1 ratio of hydrogen to oxygen.

3. Lipids or fatty acid can be saturated or unsaturated, it depends on the number of hydrogen in the tail. Saturated fatty acids have single bonds while unsaturated fatty acid have some missing hydrogen in tail and form double bond.

4. Enzymes are example of proteins because enzymes are made up of many amino acids binded in a very specific and unique order and amino acid are building blocks of proteins.

5. Nucleic acid is the monomer consist of nucleotide as all nucleic acids are made up of same five pieces are uracil, guanine, thymine, cytosine, and adenine.

6. Lipids are considered as hydrophobic as it is composed of carbon and hydrogen and have mostly nonpolar carbon–hydrogen or carbon–carbon bonds.

7. Proteins are most complex macromolecules as they made up of  hundreds of amino acids and each amino acid has its own specific shape. All the properties of proteins depends on these specific amino acids

8. when some one look into mirror, they see their own image or phenotype characters which are due to the genetic makeup in the body. DNA is responsible for the phenotype and genotype where DNA is a nucleic acid. Hence, the , one will see while looking in the mirror is nucleic acid.

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4 years ago
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