WorksheetsBio Unit 2: Cells and Cell Cycle 2021
Total questions: 42
Worksheet time: 22mins
How are new cells made?
from sunlight, air and water
from nutrients in the environment
from pre-existing cells
from the correct combination of chemical elements
The membrane surrounding the nucleus is called the
nucleolus
nuclear wall
ribosome
nuclear envelope
Aneuploidy refers to
Homologous chromosomes are the same as sister chromatids. TRUE or FALSE?
True
False
Fertilization is ___ and results in a ____.
the fusion of sperm and egg; zygote
the splitting of a cells; diploid cell
the replication of DNA; haploid cell
During the development of cancer...(select all that apply)
all cells in the organism stop dividiing
some cells divide without regard for cell cycle checkpoints
all cells lose the ability to reproduce
some cells lose control of their rate of division
Some trials for potential medicines include a placebo (an inert, non-active pill). Select the most valid experimental design for a trial of a potential medicine.
All participants take the placebo
All participants take the potential medicine
some participants take the placebo and others take the potential medicine
all participants take both the placebo and the potential medicine
What type of cell division do prokaryotes do?
eukaryotic cell division
binary fission
mitosis
the cell cycle
When does the nuclear membrane reassemble in mitosis?
S phase
telophase
anaphase
prophase
What type of cells can divide repeatedly and become other types of cells?
gametes
reproductive cells
differentiated cells
stem cells
Why do cells undergo mitosis? (You may choose 1 or more)
Cells do mitosis so organisms can grow.
Cells do mitosis so that organisms can heal.
Cells do mitosis during embryo development.
All cells do binary fission and mitosis.
Which is/are true regarding parent and daughter cells.
Parent and Daughter cells have different DNA.
Parent and Daughter cells have the same number of chromosomes.
Parent and Daughter cells have the same genetic information.
Parent and Daughter cells have different numbers of chromosomes.
