BIOLOGY HIGH SCHOOL

2) We wish to test if a certain vaccine developed for a disease is effective ornot. What is the best way to do this?
A. Vaccinate 100 animals and expose all 100 to the disease.
B. Vaccinate 100 animals and expose 50 of them to the disease.
c. Vaccinate 50 animals, do not vaccinate 50 other animals, and expose all 1
to the disease.

Answers

Answer 1
Answer:

Answer:

The right and most effective answer according to me is c

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A current federal program from the New Deal that is directly related to the banking industry is the

Answers

The answer is FDIC (Federal Deposit Insurance Company)

The current federal program from the New deal that is directly related to the banking industry is the FDIC. This program examines and supervises financial institutions on some factors such as safety and soundness. It promotes and preserves public confidence in the State's financial system.

Answer:

Explanation:

D

If two organisms belong to the same family, what other taxonomic groups do the organisms have in common?

Answers

If two organisms belong to the same family, then that would mean that all of the taxonomic groups prior to the taxa of family.

Support your answer briefly?

It would be common for both organisms as well, this would include : Kingdom,

Phylum,

Class,

Order.

To understand this think of it as a hierarchy, where organisms are distributed accordingly as per each group and eventually isolated and or separated in the final groups.

Thus,two organisms belong to the same family, then that would mean that all of the taxonomic groups prior to the taxa of family.

To learn more about  taxonomic groups click here:

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Basically if 2 organisms belong to the same family, then that would mean that all of the taxonomic groups prior to the taxa of family would be common for both organisms as well, this would include : kingdom, phylum, class, order. To understand this think of it as a hierarchy, where organisms are distributed accordingly as per each group and eventually isolated and or separated in the final group.

Describe ways in which a healthy artery differs from an artery affected by coronary heart disease

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General adaptation syndrome has how many steps?
A. 1
B. 2
C. 3
D. 4

Answers

The general adaption syndrome has 3 steps

The general adaption syndrome has 3 steps.

A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that they are unable to produce viable offspring. What kind of evolutionary barrier could this be?A.Chromosomal
B.Postzygotic
C.Physical

Answers

I would say that the kind of evolutionary barrier that this could be is B) postzygotic.
They can produce an offspring, but it can't be viable, meaning that it doesn't survive.
The kind of evolutionary barrier would be : B. Postzygotic

During postzygotic barrier, they do manage to produce offsprings. But that offspring do not has a fertile characteristic and tend not be able to survive and produce the next generation

hope this helps

Which condition is a neuron in when the outside of the neuron has a net positive charge and the inside has a net negative charge?A. threshold

B. action potential

C. resting potential

Answers

The correct answer to the question given is letter C. resting potential. 

The condition which a neuron is in when the outside of the neuron has a net positive charge and the inside has a net negative charge is called the resting potential. 
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