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Vedmedyk [2.9K]
3 years ago
5

What is the role of DNA in transmitting genetic information? Describe DNA’s important genetic role in a few sentences below.

Biology
2 answers:
Archy [21]3 years ago
6 0

It identifies who you are,

hope this helps! C:

OleMash [197]3 years ago
6 0

Answer:

DNA is responsible for traits.

A section of DNA that codes for a specific trait is called a gene.

Half of your DNA comes from each parent.

Your traits are a combination of your parents’ traits.

DNA is the blueprint for proteins, which play many roles in the body.

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Neurons have special proteins in their cell membranes that allow them to generate electric current. Are these proteins most like
V125BC [204]

Answer:

Sodium-Potassium pumps (proteins that help neurons generate electricity) are produced by ribosomes on the rough endoplasmic reticulum (ER).

Explanation:

Sodium-Potassium Pump (NA+/K+):

The Na+/K+ Pump is a transmembrane channel protein, responsible for maintaining the concentration gradient of sodium and potassium ions in the intra and extracellular environment. This is achieve by pumping 3 Na+ outside and 2 K+ inside the cell at the cost of one ATP. In neurons, these channels help in generating an action potential across the cell membrane that gives rise to a nerve impulse.

Production of Transmembrane proteins:

All membranes and their proteins are produced by  the ribosomes on the rough ER. The rough endoplasmic reticulum contains the enzymes required for lipid synthesis; and as cell membranes are made of lipids, the ER is the most suitable location for synthesis. Membrane proteins, particularly, transmembrane proteins like the Na+/K+ pump possess hydrophobic surfaces that don't dissolve in the cytoplasm but readily attach to the ER surface from where they can be transported wherever required.

7 0
3 years ago
New species of organisms may emerge if
sergeinik [125]
Two diverse species naturally breed an offspring, and selective preserves raver new traits in a given environment, (they evolve).
I hope this helps.=^⊃
7 0
3 years ago
Read 2 more answers
In Gottlieb's model, the probabilistic aspect of development refers to the idea that the characteristics of organisms at any poi
alexira [117]

Answer:   Determined by genetic and environmental factors.

Explanation:

Are determined by genetic and environmental factors and the interaction of such factors, but not with absolute certainty. This development system model includes both influences of species typical genes and the influences of a species typical rearing environment.   Relatively rapid increase in obesity, the change stems from changes in the environmental context.

6 0
2 years ago
Which type of molecule will require energy to cross the cell membrane? Question 3 options: A) carbon dioxide B) Na+ C) nonpolar
timofeeve [1]

Answer:

B) Na+

Explanation: Na+ molecule is polar, oxygen and carbon dioxide are nonpolar molecules. The cell membrane is a <em>phospholipid bilayer</em> made up of lipid molecules with polar and nonpolar ends. Since it is a bilayer, two phospholipid layers are arranged, one on the other in such a way that one faces the back of the other. The non polar ends are away from outside and inside of the cell, while  the polar ends faces towards all the molecules inside and outside the cell.

Since polar-polar molecules repel each other, Na+ can't pass through the cell membrane easily. So it uses the proteins attached the cell membrane inside and outside to transport such molecules by using energy in terms of ATP.

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3 years ago
What genotypic ratio is expected in the offspring of this cross
djverab [1.8K]
The answer is B. 1:2
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3 years ago
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