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3 years ago

Which statement describes a newton?

Biology

2 answers:

Firdavs [7]3 years ago

5 0

Answer:

a Newton is a measure of force.

algol [13]3 years ago

3 0

Answer:

It reflects the amount of force an object exerts

Explanation:

a newton is a form of measurement like a pound or ounce only it measures force

*and i just took the test :) hope this helps

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In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If a red-eyed heterozygous f

ladessa [460]

The answer is Rr and rr.

We know:
r - recessive allele
R - dominant allele
RR - dominant homozygote with red eyes
Rr - heterozygote with red eyes (since one dominant allele R can mask recessive allele r)
rr - recessive homozygote with sepia eyes

Heterozygote Rr can give to the offspring either dominant allele R or recessive allele r. Recessive homozygote rr can give to the offspring only recessive allele r (take a look at the uploaded image of Punnett square).
After crossing the parents:
Parents: Rr x rr
Offspring: Rr rr Rr rr

So:
2 out of 4 offspring will be with heterozygous with red eyes Rr: 2/4 = 0.5 = 50%
2 out of 4 offspring will be with homozygous with sepia eyes rr: 2/4 = 0.5 = 50%

8 0

4 years ago

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How is information from a signal molecule present outside the cell elicits intracellular response? Explain with suitable example

ella [17]

The information from a signal molecule present outside the cell elicits intercellular response when the G protein coupled receptors interact with the wide variety of molecules on the outer surface of the cells.

G Proteins are the specialized proteins having the ability to bind GTP and GDP and is of three units called Alpha, Beta and Gamma subunits which together formed G proteins.

When G protein is activated it will bind GTP and each receptor binds in lock and key method and binding result into conformational change which will trigger a complex chain of events influencing different cell function.

Features exhibited by Signal Transduction System are:

1. Specificity- Signal molecules fits binding site on its complementary receptor. Other signal do not fit

2. Amplification- When enzymes activates enzymes, the number of affected molecules increases.

3. Desensitization- Receptor activation triggers a feedback circuit that shuts off the receptor or removes it from the cell surface.

4. Integration - When two signals have opposite effects on a metabolic characteristics outcome results from the integrated input from both the receptor.

To learn more about G protein here

brainly.com/question/12578485

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2 years ago

A flamingos color is a trait that is

faltersainse [42]

flamingos get there pink color because the food they eat is pink

3 0

3 years ago

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During an action potential, depolarization occurs as a result of

Veseljchak [2.6K]

Answer:Action potentials result from the depolarization of the cell membrane (the sarcolemma), which opens voltage-sensitive sodium channels; these become inactivated and the membrane is repolarized through the outward current of potassium ions.

its 'b'

Explanation:

6 0

3 years ago

Plssss help with #10 & 11

balu736 [363]

Answer:

10 B and 11 C thats what I got

7 0

3 years ago

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