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Flauer [41]
3 years ago
5

Gina jumps with fear as she feels a hand on her shoulder while walking on a deserted path across campus. Her fear evaporates whe

n she hears her boyfriend's voice saying, "What are you doing out so late, Gina?" What brain structure played a key role when Gina's fear evaporated?
A. medulla
B. hippocampus
C. cerebral cortex
D. amygdala
Biology
1 answer:
IceJOKER [234]3 years ago
3 0

Answer:

D

Explanation:

The amygdala is responsible for emotion, especially those that are primitive such as fear and sex drive.

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The cell theory was continuously improved over the course of many years. Which scientific advancement directly led to this impro
Whitepunk [10]
<span>When the microscope was invented, it helped the cell theory. This invention allowed scientists to see that everything was made up of cells and see what cells do. They needed this invention in order to see that cells existed and study them more in depth.</span>
8 0
3 years ago
If bicoid mRNA is injected at the anterior end of an egg from a bicoid mutant mother, what would the phenotype of the resulting
JulijaS [17]

If the larva had one head at the posterior pole, it would be normal. The larva would have two heads, one at the front of its body and the other in the center.

What is bicoid mRNA?

When translated, bicoid protein forms a morphogen gradient that shapes the embryo's head and thorax if bicoid mRNA localizes to the anterior of the Drosophila egg.

How does the egg's bicoid RNA influence development?

According to recent research, Bicoid specifies the anterior of the Drosophila embryo in two different ways. It initially suppresses posterior development. It accomplishes this by attaching to and preventing caudal RNA, which is distributed throughout the egg and early embryo, from being translated.

To know more about bicoid mRNA, visit:

brainly.com/question/15864503

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7 0
1 year ago
Which of the following pairs of terms is mismatched? Which of the following pairs of terms is mismatched? antisepsis destruction
Elden [556K]

Answer:

germicide removal of microbes from a limited area

Explanation:

Antisepsis refers to the practice of using an antiseptic substance to remove or destroy disease-causing pathogens.

Virucides are chemical agents that aid in the deactivation or destruction of viruses.

Germicides are chemical agents that are capable of destroying germs with germs being harmful microscopic organisms.

Disinfection refers to the action of using chemicals to clean off or destroy bacteria from an area.

Considering the definition of each term above, the mismatched pair of all the terms is germicide -<em> germicide removal of microbes from a limited area.</em>

Germicide is a substance and not an action.

4 0
3 years ago
What happens to the respiratory system of a pilot who is in a power dive in supersonic plane.​
Wewaii [24]

Explanation:

Due to lack of O2, the lungs will start breathing anaerobically i.e; without oxygen this may lead to cramps

8 0
2 years ago
Read 2 more answers
For science class, your teacher gives you and your partner a ball. She asks you to figure out a way to balance forces that you a
UkoKoshka [18]

Answer:

A.Both of you pull with equal force on opposite sides of the ball.

Explanation:

Balanced forces means that the total force or the sum of the force done on the object should be equal to 0 newtons or in other words, it should not be moving.

Force is defined as the push or pull on an object. For both people to balance out the forces on the ball while both applying a force, you need to do this from opposite sides.

You could either pull with equal forces on opposite sides of the ball or you can push with equal forces on opposite sides of the ball.

→ ball ←

← ball →

For the other choices, if you both push or pull on the same side, the ball would move that direction because there is no opposing force.

ball → →

If one pushes while the other pulls on opposite sides, it will move the direction you are pulling and pushing.

→ ball →

3 0
3 years ago
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