What name is given to the basic units of live that can lead an independent existence?
Responda
A cell
The Nucleus
Questão 2
Questão
Name FOUR structural features that a typical plant cell and a typical animal cell have in common.
Responda
Nucleus, Cell membrane, Mitochondrion and Ribesome.
Nucleus, Cholroplast, Cell membrane and Large central vacuole.
Questão 3
Questão
What THREE structural features are present in an Elodea leaf cell but absent from a cheek epithelial cell?
Responda
Chloroplast, Cell membrane and large central vacuole.
Large central vacuole, Chloroplast and Cell wall.
Questão 4
Questão
Are these the correct functions of these structures?
Chloroplast- Site of photosynthesis.
Nucleus- Controls cell activity.
Cell membrane- Controls substances that enter and exit the cell.
Mitochondrion- Site of respiration.
Responda
True
False
Questão 5
Questão
Express 1 millimetres in micrometres.
Responda
100 micrometres (mm)
10 micrometres (µm)
1000 micrometres (µm)
100000 micrometres (µm)
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