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AleksAgata [21]
2 years ago
5

What molecule is our Genetic Code made of?

Biology
1 answer:
icang [17]2 years ago
5 0

Explanation:

deoxyribonucleic acid (DNA)

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which is a property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard?
a_sh-v [17]
The property of all ionic compounds that makes chalk particularly useful for writing on a chalkboard is : Hardness and Brittleness

Those properties make chalk leaves residues on the board every time friction happen between the chalk and the board

hope this helps<span />
5 0
3 years ago
Species A has a diploid number of 42 chromosomes, while species B has a diploid number of 48 chromosomes. Give the chromosome nu
Arada [10]

Answer:

a. autotriploid of species A: 63 chromosomes

b. autotetraploid of species B: 96 chromosomes

c. allotriploid from species A and B: 1) 66 chromosomes and 2) 69 chromosomes

Explanation:

<u>For a.</u>

this species will have 3 haploid sets of chromosomes ('tri' means 3)

one haploid set = 21

21 × 3 = 63 chromosomes

<u>For b.</u>

this species will have 4 haploid sets of chromosomes ('tetra' means 4)

one haploid set = 24

24 × 4 = 96 chromosomes

<u>For c.</u>

there are two ways to do this:

1) two sets of chromosomes from species A and one from species B

42 + 24 = 66 chromosomes

2) one set of chromosomes from species A and two from species B

21 + 48 = 69 chromosomes

Hope that answers the question, have a great day!

5 0
3 years ago
What is a Cell membranes
posledela

Answer:

cell membrane is the outer boundary present around the cells functions to protect the inner cellular material from outer invaders and maintain the shape of cell

Explanation:

Cell membrane is the outer most boundary made up of lipids and proteins.

Mainly the membrane is composed of lipid bilayer in which protein chains are embedded

4 0
2 years ago
The sleep like state which an animal adopt to lower metabolic rates is called
vivado [14]
Heyy :))

The best answer would be:
<span>Hibernating

I hope this helps!
Good day :D</span>
3 0
3 years ago
Most of the energy needed for all the processes on earth comes directly or indirectly from the sun. There is no medium or materi
Brut [27]
I think it is D. because the sun's radiant energy gives life to the earth life forms. 

3 0
3 years ago
Read 2 more answers
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