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Bingel [31]
3 years ago
9

Which statement is true about DNA?

Biology
2 answers:
Effectus [21]3 years ago
8 0
Only one of the original DNA strands acts as a templates during replication.
11Alexandr11 [23.1K]3 years ago
6 0

Answer:

Only one of the original DNA strands acts as a template during replication.

Explanation:

The DNA of every living cell replicates prior to division. It occurs in the S-phase of interphase stage. The DNA is a long double-helical structure. Before the actual duplication occurs, the double strand of the DNA needs to be unwound. This unwinding is done by HELICASE by breaking the weak hydrogen bonds that binds each base pair.

After the unwinding, two separate strands result with only one of the strands serving as a template for the new strand synthesized by DNA polymerase. DNA polymerase enzyme synthesizes new DNA strand by adding nucleotide bases that are complementary to each template strand.

i.e. DNA polymerase will add nucleotide G to the growing strand if it reads nucleotide C on the template strand.

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Compaction & cementation of sediments form ___________ rocks.
____ [38]

Answer:

The answer is sedimentary rock.

Explanation:

At the same time the particles of sediment begin to stick to each other - they are cemented together by clay, or by minerals like silica or calcite. After compaction and cementation, the sedimentary sequence has changed into a sedimentary rock.

Hope that it helps!

6 0
3 years ago
Draw and/or list examples of at least ten things we need energy to power
Ymorist [56]

Answer:

1. Car

2. Phone

3. TV

4. Microwave

5. Washing Machine

6. Oven

7. Planes

8. Laptop

9. Lamp

10. Hairdryer

5 0
2 years ago
Read 2 more answers
In the Southern Hemisphere, western boundary currents generally flow:
Karolina [17]

Answer:

southward

Explanation:

Western boundary currents flow toward the poles. Surface ocean currents flow clockwise, southward in the South, and northward in the North.

Differently from western boundary currents, eastern are flowing in a clockwise direction in the Northern Hemisphere and a counterclockwise direction in the Southern Hemisphere.

7 0
2 years ago
Read 2 more answers
The region of the digestive tract most responsible for absorption of nutrients is __________.
Svetllana [295]
I believe it's mucosa.
4 0
3 years ago
Which soil texture is likely to have the highest erodibility? ​
larisa [96]

Answer:

silty soils

Explanation:

yeah

8 0
2 years ago
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