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Sloan [31]
3 years ago
10

Which of the following explains why antibiotics can treat flu-like symptoms caused by bacteria but are ineffective against flu?

: A Flu is a response to an antigen. B Antibiotics require time to work. C Antibiotics strengthen antibodies. D Flu is caused by a virus.​
Biology
1 answer:
Setler79 [48]3 years ago
8 0

Answer:

D Flu is caused by a virus.​

Explanation:

Antibiotics are designed for bacteria, not viruses.

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Which of the following terms describes the movement of water from the surface to the atmosphere?
lukranit [14]

Answer:

The answer is evaporation.

Explanation:

Runoff is not right because runoff is water that hits the surface of the earth, then runs down into natural bodies of water. It is not condensation either. That is because condensation is when cool water vapor comes into contact with humid, warm air causes water droplets to appear on the surface of what is containing the cool water vapor. Finally, precipitation is when water comes down from the atmosphere to the surface of the earth, therefore this is incorrect. Evaporation however is when water from the surface of the earth turns into water vapor and goes into the atmosphere. Therefore it is the right answer.

8 0
3 years ago
Glycoconjugates result from the covalent linkage of carbohydrate to proteins or:________.A. Amino acids B. Lipids C. Nucleotides
serious [3.7K]

Answer:

B. Lipids

Explanation:

Glycoconjugates occurs as a result of a process known as glycosylation.

Glycoconjugates result from the covalent linkage of carbohydrate to proteins or lipids.

It is also used to refer to carbohydrates who are covalently bonded to other chemical compounds such as protein, lipids, peptides etc.

8 0
3 years ago
Which of the following organic molecules may have up to four levels of structure? A. Proteins B. Lipids C. Nucleic Acids D. Carb
masha68 [24]
The correct answer is proteins.

Proteins have four structures; (1) primary, (2) secondary, (3) tertiary, and (4) quaternary. Primary structures of proteins are formation of peptides and the peptide bonds between amino acids. Secondary structures of proteins involves the amino acid composition leading to hydrophobic interactions forming either alpha helices or beta sheets. Interactions between secondary structures of proteins will make the tertiary structure which is either soluble (globular) or insoluble (fibrous) proteins. Quaternary structures are the combination of two or more tertiary structures and these are called subunits.
4 0
3 years ago
During the Silurian Period, simple _____________________ began too grow on land in damp trees.
NikAS [45]
During the Silurian Period, simple PLANTS began too grow on land and in damp trees
7 0
3 years ago
What is the complementary base to cytosine in DNA?
nordsb [41]

Answer:

Guanine

Explanation:

C and G

T and U both go together in DNA.

6 0
3 years ago
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