Plants use sunlight to make food in a process called
a. respiration
b. photosynthesis
c. fermentation
b. photosynthsis
100
The first stage of respiration takes place in the
a. nucleus
b. chloroplasts
c. cytoplasm
c. cytoplasm
100
The chromosomes in the cell carry
a. chloroplasts
b. genes
c. ribosomes
d. mitochondria
b. genes
100
Cells change in structure and do specialized jobs during the process of
a. differentiation
b. fermentation
c. replication
a. differentiation
200
In the second stage of photosynthesis, plant cells
a. turn green
b. absorb light
c. make sugars
c. make sugars
200
During fermentation, cells
a. release energy from sugar
b. make food energy from sunlight
c. make a copy of their DNA molecule
a. release energy from sugar
200
The final stage of the cell cycle is
a. cytokinesis
b. interphase
c. mitosis
a. cytokinesis
200
An animal's stomach is an example of a(n)
a. tissue
b. organ
c. organ system
b. organ
300
Photosynthesis occurs in
a. mitochondria in plant cells
b. mitochondria in animal cells
c. chloroplasts in plant cells
d. chloroplasts in animal cell
c. chloroplasts in plant cells
300
chloroplasts : photosynthesis
mitochondria : ?
a. replication
b. transpiration
c. protein synthesis
d. cellular respiration
d. cellular respiration
300
The cell grows to its full size during
a. mitosis
b. cytokinesis
c. interphase
c. interphase
300
Arrange the following in order from smallest to largest
a. tissue, organ, organ system, cell
b. cell, tissue, organ, organ system
c. cell, organ, tissue, organ system
d. organ system, organ, tissue, cell
b. cell, tissue, organ, organ system
400
What is the function of a chloroplast?
a. it protects and supports the cell
b. it controls what enters and leaves the cell
c. it packages and transports proteins
d. it captures energy and uses it to make food
d. it captures energy and uses it to make food
400
Cellular respiration occurs in nearly all living cells. It is essential to life because it
a. provides oxygen
b. removes wastes
c. stores energy
d. releases energy
d. releases energy
400
What happens during mitosis?
a. DNA replication takes place
b. A cell's nucleus divides to for two new nuclei
c. a cells cytoplasm divides
b. A cell's nucleus divides to for two new nuclei
400
All living things start out life as
a. unicellular
b. multicellular
c. two cells
a. unicellular
500
Carbon dioxide enters a plant through its
a. pigments
b. roots
c. centromeres
d. stomata
d. stomata
500
Both plant cells and animal cells contain mitochondria. What process therefore happens in both type of cells?
a. digestion
b. photosynthesis
c. cellular respiration
d. transpiration
c. cellular respiration
500
Before cell division occurs, the cell's genetic material is duplicated. Where does this process occur?
a. along the cell wall
b. in the Golgi body
c. in the nucleus
d. outside the cell membrane
c. in the nucleus
500
Which of the following is a result of differentiation?
a. an organism grows larger
b. cells in an embryo increase in number
c. cells in an embryo become different from one another
d. an organism reproduces
c. cells in an embryo become different from one another