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How is a sperm cell adapted to its role?

Many mitochondria which release lots of energy allowing it to swim.Flagellum (tail) which allows it to swim to the egg.Enzymes in the head which allow it to digest the egg cell membrane.

FH
Answered by Fay H. Biology tutor
2810 Views

What is osmosis?

Osmosis is the diffusion of water molecules from a low solute concentration to a high solute concentration across a partially permeable membrane.

FH
Answered by Fay H. Biology tutor
2407 Views

What is osmosis?

Osmosis is the diffusion of water molecules from an area of high water potential to low water potential, across a selectively/ permeable membrane. + diagram on whiteboard

AK
Answered by Anna K. Biology tutor
2295 Views

A car is accelerating at 2 ms^-2 along a horizontal road. It passes a point A with a velocity of 10 ms^-1 and later a point B, where AB = 50m. FInd the velocity of the car as it passes through B.

From the first look, we can see the question states the car is undergoing constant acceleration, thus we know the SUVAT equations are valid. Then reading on, we're required to find the final velocity, v, ...

Answered by Maths tutor
3287 Views

find the gradient of y=x3 X0=5

dx/dy = 3(x)2substitute x = 5so (5) squared 253 times 25 = 75

JA
Answered by Jenna A. Maths tutor
3516 Views

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