A student claims that viruses are alive because they have genetic material and can reproduce. Is this student’s claim correct?
Yes, viruses are alive because they can reproduce.
No, viruses are not alive because they do not have genetic material nor can they reproduce.
No, viruses are not alive because they rely on a host organism to be able to reproduce.
Yes, viruses are alive because they have genetic material.
No, viruses are not alive because they rely on a host organism to be able to reproduce.
Of the five characteristics of living things, which one is required for the species to survive but does not have to apply to an individual?
growth and change over a life cycle
use of energy to function
reproduction
response to the environment
reproduction
Plant cells can use energy from the sun to make food. Animal cells cannot. Which organelle is responsible for this difference between plant and animal cells?
central vacuole
cell wall
chloroplast
plasma membrane
chloroplast
Which statement about plasma membranes is correct?
Both plant cells and animal cells have flexible plasma membranes.
Plant cells have cell walls instead of plasma membranes.
Animal cells have cell membranes instead of plasma membranes,
Plant cells have rigid plasma membranes.
Both plant cells and animal cells have flexible plasma membranes.
Which organelle processes sugar?
central vacuole
endoplasmic reticulum
mitochondrion
nucleus
mitochondrion
What is the function of the plasma membrane?
It helps plants maintain their shape.
It helps filter waste inside the cell.
It contains hereditary material.
It helps recognize other cells.