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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 part is hydrophobic?<br><br> Tails<br><br> heads<br><br> legs<br><br> arms
Veseljchak [2.6K]

Answer: the tails are hydrophobic and the heads are hydrophilic

4 0
2 years ago
You have arrived on the scene of an incident involving an explosion. People in the immediate vicinity are all experiencing runny
Sergio [31]

Answer:

Nerve agent

Explanation:

A nerve agent is a chemical in which on exposure to humans affects the functioning of the nervous system. These chemicals are known to disrupt the process by which messages are transferred to the organs from the nerve. This disruption occurs by blocking the activity of acetylcholinesterase, which is responsible for the catabolism of a neurotransmitter, acetylcholine.  

On exposure to a nerve agent, the muscles of the body become paralyzed and early symptoms is production of excess mucous such as in runny nose, pupil constriction and also difficulty in breathing.

These agents are sometimes used in chemical warfare. Examples include sarin, tabun etc.

7 0
3 years ago
Identify the evolutionary forces that can cause allele frequencies to change from one generation to the next.
Irina-Kira [14]

<u> Allele frequencies to change from one generation to the next.-</u>

<u>B. </u><u>Mutation</u><u>; C. Random genetic drift; D. </u><u>Migration</u><u>; F. Natural selection</u>

  • Selection, mutation, migration, and genetic drift are the mechanisms that effect changes in allele frequencies.
  • When one or more of these forces are acting, the population violates Hardy-Weinberg assumptions, and evolution occurs.

Why do allele frequencies change from one generation to the next?

Random selection: Allele frequencies may fluctuate from one generation to the next when people with particular genotypes outlive those with different genotypes.

No mutation: Allele frequencies may fluctuate from one generation to the next if new alleles are produced via mutation or if alleles mutate at different rates.

What are 5 factors that cause changes in allele frequency?

  • A population, a collection of interacting individuals of a single species, exhibits a change in allele frequency from one generation to the next due to five main processes.
  • These include natural selection, gene flow, genetic drift, and mutation.

Learn more about allele frequency

brainly.com/question/7719918

#SPJ4

<u>The complete question is -</u>

Identify the evolutionary forces that can cause allele frequencies to change from one generation to the next. Check all that apply

A. Inbreeding

B. Mutation,

C. random genetic drift

D. migration

E. extinction

F. natural selection

6 0
1 year ago
Which conclusion about the meaning Of Y is correct if the allele combination Yy is for yellow seeds?
vaieri [72.5K]
<span>I can infer that the importance of the Y is yellow and prevailing is the allele mix Yy is for yellow seeds. Yy implies that the phenotype demonstrated will mirror the capital letter, or the overwhelming one, which ends up being yellow. In the allele combination Yy, the Y is more dominant over y. If the combination equals yellow seeds, therefore, Y must be yellow seeds</span>
5 0
3 years ago
Read 2 more answers
The ovary develops into the fruit if pollinated.<br><br> A. True<br><br> B. False
BARSIC [14]

Answer:

A. True

Explanation:

The ovary surrounding the ovules develops into a fruit.

7 0
3 years ago
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