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3 years ago

14

Shortly after quitting, a smoker will a.) develop shortness of breath b.) regain there senses of smell and taste c.) lose circul

ation in there hands and feet d.) develop rapid heart beats

1 answer:

ipn [44]3 years ago

5 0

Shortly after quitting, a smoker will B. regain their senses of smell and taste. A,C, and D, all happen when they do smoke.

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The barley plant has seven pairs of chromosomes. For a gamete, the number of genetic combinations that are possible through inde

skad [1K]

Answer:

1. 128

2. 16,384

Explanation:

Imagine there were two pairs of chromosomes:

A paired with B

C paired with D

A gamete could have the following combinations:

A + C

A + D

B + C

B + D

Therefore, with two pairs of chromosomes, there are 4 (2²) possibilities

With seven pairs of chromosomes, there are (2⁷) possibilities. 2⁷ = 128

For a zygote produced by two barley parents, there are two gametes fused. So we must multiply the number of combinations for each gamete. Therefore, number of possible genetic combinations is 128 x 128 = 16,384

4 0

3 years ago

Where can nitrogen fixing bacteria be found?

babymother [125]

The answer is B. in the soil

3 0

2 years ago

Conservation efforts have preserved most of the bison’s original genetic diversity

kirza4 [7]

True , conservation efforts have, they did this by gently helping the bison.

with the bison we have an specifically diverse animal , this means that preserving the genetics should be easy.

but it gets harder because of the world around it changing. this means that it has to adapt to a lot of things.
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I hope this helps you , really

3 0

4 years ago

A group of similar cells that perform a common function

Alchen [17]

Answer:

Tissue

Tissue is the group of similar cells that are common in origin to perform particular function. Tissue system is the group of similar tissues that are common in origin and perform particular function. Organs are made up of tissue system.

Explanation:

4 0

3 years ago

Which of these conditions indicate positive feedback has occurred?

aleksklad [387]

Answer;

A) Blood pressure decreases greatly; blood flow to the heart is inadequate, and blood pressure decreases.

Explanation;

-With negative feedback, the output reduces the original effect of the stimulus. While in a positive feedback system, the output enhances the original stimulus.

-Negative feedback is the most commonly used feedback loop in the body. Negative feedback is used to negate or counteract a stimulus without completely eradicating it.

-One key difference between the two feedback is that positive feedback loops are used to eradicate a stimulus. Another key difference is that responses through positive feedback become more amplified over time. So once a stimulus activates a positive feedback loop it is not turned off until the stimulus is completely removed.

8 0

3 years ago