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kifflom [539]
3 years ago
11

Which piece of laboratory equipment would a student use if he wanted to view a living

Biology
1 answer:
OLEGan [10]3 years ago
4 0

Answer:

Compound light microscope

Explanation:

since the organism has to be dead in order to be viewed under the electron  microscope.

The centrifuge separates substances of different densities

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In a population of plants, the allele for long stems is completely dominant over the allele for short stems. If 35% of the popul
KatRina [158]
Assumptions:
1. Equilibrium has been reached for the allele proportions
2. Absence of <span>evolutionary influences such as </span>mate choice<span>, </span>mutation<span>, </span>selection<span>, </span>genetic drift<span>, </span>gene flow<span> and </span>meiotic drive<span>.
</span>
Defining L=long stem, l=short stem, and L is dominant over l.
f(x) = frequency of allele x  (expressed as a fraction of population)
Then the Hardy-Weinberg equilibrium law applies:
p^2+2pq+q^2=1
where 
f(LL)=p^2
f(Ll)=2pq
f(ll)=q^2

Given f(ll)=0.35=q^2, we have
q=sqrt(0.35)=0.591608
p=1-q=0.408392
=>
f(Ll)
=2pq
=2*0.408392*0.591608=0.483216
= proportion of heterozygous population

Answer: percentage of heterozygous population is 48.32%
7 0
4 years ago
Which of the following structures or systems is correctly paired with its function?
Anvisha [2.4K]
<span>I think I'd go with this one: Central nervous system - processes information and controls responses. It looks like correct pair.</span>
3 0
3 years ago
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Which process involves wind moving loose sediment?
kirill115 [55]

Answer:

abrasion

Explanation:its another word for erosion

5 0
4 years ago
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A 4-year-old child who has never been separated from parents or siblings is admitted to the hospital. what is most important for
ahrayia [7]
<span>Since the child has never been away from his parents and siblings and also he is only 4 years old it is better to have one of them stay with the child. The presence of a family member will reinforce trust and provide support to the kid.</span>
4 0
3 years ago
Would the human body want to get back to its optimal (best) settings for temperature, glucose levels, etc.? Explain your answer
timofeeve [1]

Explanation:

Introduction. The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and the concentration of glucose.

I THINK THIS IS THE ANSWER GOOD LUCK

5 0
3 years ago
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