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Zina [86]
3 years ago
9

3.How have scientists' ideas of human evolution changed over time Please Hurry

Biology
1 answer:
Alex3 years ago
5 0

Answer:

They once thought that humans came from monkeys and apes but  now they think they come from a ancient ancestor not from the monkey or ape family.

Explanation:

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MicroRNAs control gene expression at the level of _______. See Section 19.4 (Page 389) .
Alenkinab [10]

Out of the following given choices;

transcription

protein stability

mRNA processing

translation

<span>The answer is mRNA processing. microRNA regulate gene posttranscriptionally by silencing mRNA. microRNA is short (approximately 20 nucleotides) and base-pairs with mRNA during its processing hence interferes with its progression to translation by causing the cleavage of the mRNA or  shortening the poly-A tail</span>




5 0
3 years ago
Imagine that individuals with a certain allele (B) have much greater reproductive success than those without the allele. However
Sonbull [250]
<h2>Allelic frequency </h2>

Explanation:

The B allele will become more common only if the individuals reach reproductive ages

Since the individuals with allele B have much greater reproductive success therefore once they reach the reproductive age, success to reproduce new individuals will be higher

The offsprings will carry on the allele(B allele) and pass on to the next generation

Even if the parental individuals die because of shorter life span the offsprings produced in each generation will pass on the allele to their subsequent generation  

6 0
2 years ago
What is the blast effect?
jolli1 [7]
Destruction of or damage to structures and personnel by the force of an explosion
7 0
3 years ago
900.j of work are done by a light bulb in 15.0 s. What is the power of the light bulb?
vovangra [49]
well power is equal to work multiplied by time so .. 900j divided by 15 s will give you 60 Watt as your answer
3 0
3 years ago
Please match these correctly
Lerok [7]
<span>1.keeps tooth alive 
</span><span>pulp
2.surface of teeth 
enamel
3.tube carrying food to stomach 
esophagus
4.last major organ in digestive system 
large intestine
5.digestive organ located above waist, close to ribs 
stomach
6.first stage of digestion takes place here 
mouth
7.regular squeezing movements 
peristatiss
8.blood vessel leading from heart 
artery
9. windpipe 
trachea</span>
6 0
3 years ago
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