Top answers

Biology
GCSE

Which of the following are found in plant cells but not in animal cells? Mitochondria, Cell Wall, Cell membrane, Chloroplasts, Cytoplasm, Vacuole

The cell wall, chloroplasts and vacuole are found in plant cell rather than animal cells. These components are know as organells of a cell and these organells for a plant are vital for its functionality a...

TA
39308 Views

Why is surface area to volume ratio bigger in smaller animals and vice versa?

In surface area to volume ratio (SA:Vol) we are comparing the outside surface area of an object to its internal volume. So imagine 3 rubber balls, one's small, one's medium, one's large. The smallest ball...

CN
Answered by Charlotte N. Biology tutor
77801 Views

What is a protein and what functions can a protein have?

A protein molecule is a polymer which means it is built when lots of smaller molecules join together in a chain, like building blocks. These smaller molecules are called amino acids. There are are 20 diff...

JT
Answered by Joanna T. Biology tutor
3886 Views

describe how the plant hormone auxin and light affects the direction of growth of plants

The hormone auxin causes cells in shoots to grow faster, and cells in roots to grow more slowly. Auxin becomes more concentrated on the side of the plant that is not facing the light, the shaded side. In ...

ND
Answered by Niamh D. Biology tutor
17790 Views

What is diffusion?

By definition, diffusion is the movement of particles from a region of high concentration to a region of low concentration. It occurs in liquids and gases where particles can move freely down a concentrat...

ED
Answered by Eleanor D. Biology tutor
10405 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning