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Aleksandr-060686 [28]
3 years ago
7

I need help fast!!!!!

Biology
1 answer:
kipiarov [429]3 years ago
3 0
I think it's:
B- reproductive
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Earthquakes and faults form at __________ boundaries.
Len [333]

Answer:

transform

Explanation:

Most earthquakes occur at the boundaries where the plates meet. In fact, the locations of earthquakes and the kinds of ruptures they produce help scientists define the plate boundaries. There are three types of plate boundaries: spreading zones, transform faults, and subduction zones.

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Dna replicates during which phase of the cell cycle
Radda [10]

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S-Phase

Explanation:

S-Phase is when DNA synthesis/DNA Replication occurs

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What is natural selection
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The process of nature where only the strongest will survive and live on 

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During swallowing, the air passageway of the phaynx is covered by the _________. duodenum trachea larynx epiglottis save and exi
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8 0
4 years ago
Indicate whether each of the following occurs mainly in G1 phase (G), S phase (S), or G2 phase (H) of the cell cycle. Your answe
Ronch [10]

Answer:

Correct choice should be:

"SGSG"

Explanation:

The cell cycle consists of G1, S, G2 and M phase. The former three phases include the interphase and M phase is the dividing phase of cell . G1 prepares cell for DNA synthesis. S phase is the phase where DNA replication takes place. G2 phase prepares cell for cell division or M phase.

G1 phase preceeds replication or S phase and G1 phase licences DNA replication.

During other phases of cell cycle, ORC complex masks origin of replication. ORC phosphorylation takes place at S phase, which removes this omplex and unmasks origin of repication site so that replication machinery can bind to it.

DNA helicase activation: S phase

DNA helicase deposition on DNA at the replication origins: G phase (actually G1)

ORC phosphorylation: S phase

Licensing of replication origins : G phase (actually G1)

Hence correct choice should be:

SGSG

5 0
4 years ago
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