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Tanya [424]
3 years ago
9

What is DNA replication?

Biology
2 answers:
lozanna [386]3 years ago
8 0

Answer:

<h2><em><u>DNA replication is the process by which DNA makes a copy of itself during cell division. The first step in DNA replication is to 'unzip' the double helix structure of the DNA? molecule. ... The separation of the two single strands of DNA creates a 'Y' shape called a replication 'fork'.</u></em></h2>

Jlenok [28]3 years ago
3 0

Answer:

DNA replication is the process by which DNA makes a copy of itself during cell division.

Hope it helps!!

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Every species has a 2-part name representing its ___ and ___
Sonbull [250]

Answer: genus,  specific epithet.

Explanation:

The first part is the genus, it's always capitalized, while the second half is always in <em>italics </em>

e.g.<em> </em>Homo<em> sapiens </em>

4 0
3 years ago
A scientist discovers a DNA-based test for one allele of a particular gene. This and only this allele, if homozygous, produces a
Marina86 [1]

Answer:

b. Design a test for identifying heterozygous carriers of the allele.

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3 structural changes that must occur in young plants cell as they differentiate into xylem tissue
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Differentiation in plants refers to the processes by which distinct cell types arise from precursor cells and become different from each other. Plants have about a dozen basic cell types that are required for everyday functioning and survival. Additional cell types are required for sexual reproduction. While the basic diversity of plant cell types is low compared to animals, these cells are strikingly different. For example, some cells such as parenchyma cells retain the potential to respond to environmental and/or hormonal signals throughout their life and, under the right conditions, can be transformed into another cell type (transdifferentiation). Other cells such as the water-conducting vessel elements undergo cell death as part of their differentiation pathway and thus can never transdifferentiate to another cell type

Read more: http://www.biologyreference.com/Co-Dn/Differentiation-in-Plants.html#ixzz54pAhWVdn
6 0
4 years ago
Why cant an atom lode or gain a proton
Yanka [14]

Molecules really can free neutrons, yet they can't lose protons in the event that they are to continue as before component. Loss of neutrons changes the molecule into an isotope of its essential structure. ... Loss of protons would change the molecules nuclear number.


5 0
3 years ago
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How does the conservation of matter relate to the process of digestion?
IRISSAK [1]

Answer:

Explanation:

Law of conservation of mass:

According to the law of conservation mass, mass can neither be created nor destroyed in a chemical equation.

Explanation:

This law was given by french chemist  Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

For example:

When food is eaten it is digested by converting it into smaller particles. These smaller particles are than digest and gives the energy to our body. The energy which produced is just come from our food on this base we can say that mass neither created nor destroyed but it change one form to another, just like the form from food to energy.

Another example:

In given photosynthesis reaction:

6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂

there are six carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of equation so this reaction followed the law of conservation of mass.

3 0
4 years ago
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