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Biology
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What is semi-conservative replication?

During DNA replication, the two DNA strands separate and each acts as a template (due to base pairing) for DNA polymerase to use to make the second strand of DNA. As a result, each new DNA molecule has on...

XW
Answered by Xanthe W. Biology tutor
10274 Views

Complete the following equation which summarises the process of photosynthesis and write the equivalent word equation below your answer …..CO… + 6 ……… --> C………… + 6 ….

6CO2 + 6H2O --> C6H12O6 + 6O2

Carbon dioxide + Water ---> Glucose + Oxygen

EC
Answered by Emily C. Biology tutor
3745 Views

Explain the structure of a DNA polynucleotide strand

Think of DNA like 2 long shoelaces coiled around each other to form a spiral - or a double helix as it's called. Each of the 2 shoelaces is called a 'strand' and is made up of something called 'polynucleo...

DF
Answered by Darius F. Biology tutor
7864 Views

What is the correct order of the reflex arc?

Students must select 1 of the following:

a) Motor - Sensory - Relay b) Effector - Relay - Motor c) Sensory - Relay - Motor d) Relay - Motor - Sensory

The correct answer is C.

When a s...

BS
Answered by Beth S. Biology tutor
14606 Views

How does a nerve transmit impulses?

At rest a nerve cell or fiber has more sodium (NA+) ions in the extracellular fluid and more potassium (K+) ions in the intracellular fluid. There are both NA+ and K+ ion channels in the membrane of the n...

KW
Answered by Kay W. Biology tutor
2966 Views

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