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elena-14-01-66 [18.8K]
3 years ago
9

What is a difference and similarity of genotype and phenotype?

Biology
1 answer:
NemiM [27]3 years ago
6 0
A genotype is determined by your genes and a phenotype is by your physical features

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Which statements describe continental crust? Select the three correct answers (apex)
bogdanovich [222]

Answer:

B, C, D

Explanation:

The following statements are true regarding the continental crust;

It is between 25 and 70 km thick

Its made of all types of rocks

It contains silicate minerals high in sodium, potassium, aluminum, and calcium

4 0
3 years ago
Read 2 more answers
An organism contains 40% of adenine, how much thymine is present?
blondinia [14]
According to <span>Chargaff's Rules, concentration of adenine is equal to the concentration of thymine. Therefor if adenine= 40% thymine= 40%.
BUT this only works for double strand DNA.The possibility of Adenine= 40% and Thymine= 60% is only in a single stranded DNA molecule.

Hope I helped</span>
5 0
3 years ago
Why does cell division remain important to an adult organism even after it is fully developed?
Sloan [31]

Answer:

Cell division prevents cancers, and is something that in humans and in other adult organisms as well prevents old age.

There are many more complex mechanisms that contribute to old age and cancers, but if cell division slows down an organism reaches the end of its life.

Every set of cells has a limited amount of divisions it can do. literally every organism from the moment of conception is dying.

3 0
3 years ago
In logistic growth (an s-shaped curve), how does the population growth rate change as the population nears its carrying capacity
azamat

The logistic growth curve is given by the differential equation,

\frac{dN}{dt} = rN(1-\frac{N}{k})

When the rate of change in population approaches the maximum carrying capacity, the curve starts to flatten or become saturated.

The left hand of the differential equation becomes zero and attains a steady state equilibrium at,

rN(1-\frac{N}{k}) = 0

(1-\frac{N}{k}) = 0

Hence, at N = k.

The right end of the logistic growth curve shows the flattening of the curve while reaching the maximum carrying capacity.

7 0
3 years ago
Which of the following attributes of oxygenated blood makes functional MRI (fMRI) possible? A. It can be seen using x-rays. B. A
Oksi-84 [34.3K]
<h2>Answer is option "B"</h2>

Explanation:

  • Our brain requires an enormous measure of vitality and so as to meet this needs the progression of blood must be accurately arranged to guarantee that oxygen is being conveyed where it is required and when it is required.  
  • Vitality in the mind is created solely from a type of digestion that requires oxygen. However, neurons just keep up a little save of vitality and these cells require a constant inventory of oxygen, particularly when the cells are terminating and speaking with their neighbors.  
  • Blood dashing through a brain district's trap of vessels is an indication that nerve cells in that region have kicked vigorously. The blood races to dynamic territories to supply terminating neurons with the oxygen and glucose they require for vitality.  
  • Hence, the correct answer is option B "Active areas of the brain take up more oxygenated blood than they need for their energy requirements"

6 0
2 years ago
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