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love history [14]
3 years ago
14

All organisms possess a genetic system based on what

Biology
1 answer:
ozzi3 years ago
5 0

Answer:

DNA

Explanation:

Deoxyribonucleic acid or DNA is defined as the genetic material in all the living organisms responsible for all the genetic activities in an organism.

DNA carries genetic instructions that are inherited from one generation to another generation. The DNA comprises of genes having specific genetic code that encodes the sequence of amino acid residues in proteins. DNA undergoes the process of replication and form several copies of it which are passed on to next generation.

Hence, the correct answer is "DNA".

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What layer of the atmosphere are the northern lights located
ratelena [41]

Answer:

Thermosphere.

Explanation:

The Northern lights are located at the Thermosphere of the atmosphere. The Thermosphere is lies beyond 80 km above the mesopause. The properties of gases are not constant in this layer. temperature increase rapidly with the increase of height. There are number of ionic layers in this sphere. The layer called D disappears with the sunset as it associated with solar radiation.  

4 0
3 years ago
Consider the data on cliff swallow mortality. Why is this an example of directional selection?Overall genetic variation decrease
Gala2k [10]

Answer:

The average trait value changed in one direction.(In this case, larger size)

Explanation:

In evolution a natural selection can be disruptive, directional or stabilizing

In stabilizing no extreme trait is favored hence provides intermediate values .

Disruptive selection both extreme traits are favored over the intermediate trait.

Directional, the enviroment will favor the survival of one trait hence a change in direction either towards the left or the right.

In the case of swallow cliff mortality, selection favored the larger size.

8 0
3 years ago
70 points! b) How do scientists make a person's genes fluoresce? (2 points)
pav-90 [236]
Scientists make a person’s genes fluoresces by having to name a variety of chromosomes on what color would variant. What would it do is that it can find it’s whole color scheme in order to locate the chromosomes which is basically a spectral karyotype.
3 0
3 years ago
Read 2 more answers
Function of plant seed
docker41 [41]
The plant seed helps the plant DEVELOP and actually START GROWING.
It is the command central of the plant JUST LIKE how our BRAIN is the command central of US!
I hope I helped, and PLEASE choose my answer as the Brainliest! =D
THANK YOU!!!! :-)
5 0
3 years ago
In ________and ________ no energy is used. Which one needs a helper to get things across?__________
MissTica
In DIFFUSION AND FACILITATED DIFFUSION no energy is used. The one that needs a helper to get thing across is FACILITATED DIFFUSION.<span> Facilitated diffusion involves the diffusion of materials across the cell plasma membrane with the aid of membrane proteins such as carriers and channels. The process of diffusion does not need a carrier, the molecules to be transported just move on their own from the area of high concentration to the region of low concentration until the concentration in the space become uniform.</span>
8 0
3 years ago
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