Top answers

How does concentration gradient affect the rate of diffusion?

Diffusion is the movement of a substance from areas of high concentration to areas of low concentration, down a concentration gradient. As a result of diffusion, substances may move in and out of cells, acro...
RB
Answered by Rachel B. • Biology tutor
29450 Views

What is the difference between the xylem and phloem?

The xylem and phloem are both tissues for the transportation of substances, required for normal functioning by plants. They differ in what substances they transport and how these are transported, however. Th...
EI
Answered by Emma I. • Biology tutor
6612 Views

What is the best way to structure a paragraph in an essay?

Think of PEEL;PointEvidenceExplainLink
MK
4445 Views

Magnesium oxide contains magnesium ions (Mg2+) and oxide ions (O2–). Describe what happens when magnesium atoms react with oxygen atoms to produce magnesium oxide.

magnesium ions loses two electrons becoming Mgoxygen gains two electron becoming OThis now means both the atoms have a full shell
RD
Answered by Rabia D. • Chemistry tutor
10349 Views

Describe how the hormones FSH, oestrogen and LH are involved in the control of the menstrual cycle

FSH stimulates oestrogen productionoestrogen inhibits FSH and stimulates LH /LH stimulates egg release
RD
Answered by Rabia D. • Biology tutor
4532 Views