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dlinn [17]
3 years ago
10

What is the purpose of DNA?

Biology
2 answers:
ArbitrLikvidat [17]3 years ago
4 0

Answer:

C) stores heredity information

DedPeter [7]3 years ago
3 0
C) stores heredity information
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Define the word Codon<br> Thank you!
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Explanation:

a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule.

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Which structure of the respiratory system connects the pharynx to the trachea?
True [87]

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b.larynx

Explanation:

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What is one of the root causes of environmental problems?
Goryan [66]

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here are some:

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hope this helps <3

8 0
3 years ago
How do carrier proteins differ from channel proteins in their role as gatekeepers of the cell? carrier proteins expend energy to
Lelu [443]
<span>"Carrier proteins bind to the substances they transport across the membrane via facilitated diffusion, whereas channel proteins provide a pore for substances to move across the membrane via facilitated diffusion."

This is the most correct option.
The main difference, when comparing these two gates of transportation across a membrane through the same process (via facilitated diffusion or any other), is that carrier proteins bind to the substances they transport and only communicate with one environment of the cell (whether intracellular or extracellular) at the time, while channel proteins let substances move across the membrane without any binding being opened to both cell environments.</span>
4 0
3 years ago
If you count 52 purple rough corn kernels and 50 yellow smooth corn kernels how many people smooth corn kernels should you expec
Vitek1552 [10]

Answer:

17

Explanation:

In corn,

Smooth kernel (S) is dominant to rough kernel (s)

Purple kernel (P) is dominant to yellow kernel (p)

Since no information has been given about the cross here let us assume it to be a standard dihybrid cross.

The phenotypic ratio of dihybrid cross is 9:3:3:1. 9/16 will show dominant phenotype for both traits, 3/16 will show dominant phenotype for one trait, other 3/16 will show dominant phenotype for the second trait, 1/16 will have recessive phenotype for both the traits.

Here,

Purple rough (P_ss) = 52

Yellow smooth (ppS_) = 50

Both of them show dominant phenotype for one trait so they each form 3/16 of the progeny.

If the total progeny was z, 3/16*z = 50

z = (50*16)/3 = 267

Total progeny = 267 kernels

Yellow rough kernels (ppss) = (1/16*267) = 17

So approximately 17 corn kernels will be yellow and rough.

8 0
3 years ago
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