Question #1:
What is the difference between a prokaryotic & an
eukaryotic cell?
A. A prokaryotic cell is normally a single cell
& has a nucleus.
B. An eukaryotic cell is found in multi-celled
organisms & has no nucleus.
C. A prokaryotic cell has no defined nucleus.
D. An eukaryotic cell has no defined nucleus.
Question #2:
Which of the following may be found in all prokaryotic
& eukaryotic cells?
A. cell wall
B. plasma membrane
C. nucleus
D. chloroplasts
Question #1:
All cells must maintain a relatively stable internal
environment despite changes in the external
environment. What is this called?
A. automaticity
B. homeostasis
C. metabolism
D. physiology
Question #2:
Cell membranes perform all the following functions
except:
A. making nutrients for cells.
B. holding cytoplasm within cells.
C. regulating substances exiting cells.
D. recognizing other cells.
Outer
Covering
Genetic
Material
Virus
Eukaryotic Cell
Protein
capsid
(some
w/envelope)
DNA or RNA
(ds or ss)
Cell
membrane +
cell wall in
some
Organelles
Nope
Reproduction
Must have
host
DNA (ds)
Yesmembranebound
Multiply on
own
Question #1:
The viruses that cause influenza tend to change
over time, necessitating the development of new
flu vaccines. Changes in the characteristics of the
viruses are caused by changes in which structure?
A. ribosomes
B. nucleic acids
C. the cell membrane
D. the rough endoplasmic reticulum
Question #2:
How should drawings of a cell & a virus differ?
A. only the virus would have cilia
B. only the virus should have a nucleus
C. only the cell should have organelles
D. only the cell should have genetic material
T= two cells
T= total chromosomes
Question #1:
A DNA molecule carries information that
determines an animal’s fur color. Where can copies
of this molecule be found in the organism’s body?
A. in the sex cells only
B. in specialized fur cells only
C. only in the organism’s epithelial cells,
including fur cells
D. in all of the organism’s body cells, but
only in some of its sex cells
Question #2:
Mitosis is a very complex process with several
steps. During this process, at which phase does the
formation of the nuclear membrane occur?
A.
B.
C.
D.
prophase
metaphase
anaphase
telophase
Question #1:
Vascular plants transport nutrients through specialized
structures called xylem & phloem. What is the purpose of
xylem?
A. they take water & nutrients from the soil
B. they allow water & nutrients to move from the root
through the plant
C. they capture the sun’s energy to make sugar
D. they move sugars & other nutrients from the leaves
to the roots
Question #2:
The cells of skeletal muscle are long & cylindrical. Red blood
cells are small & round. Which statement best explains why the
two types of cells have different structures?
A. The blood cells erode as they move through the body.
B. The muscles are stretched each time they contract.
C. The blood cells & muscle cells are both shaped to suit
their function.
D. The blood cells & muscle cells are made in different
parts of the body.
Question #1:
A scientist wants to learn how humans
develop several distinct types of muscle
cells. The scientist should study which of the
following phenomena?
A. meiosis
B. photosynthesis
C. selective expression of genetic
material
D. the effect of environmental
conditions on cellular respiration
Question #2:
Proteins are the most varied & complex
organic compounds. What determines how
proteins are produced to perform their many
functions?
A. DNA provides instructions for
constructing the needed proteins.
B. Enzymes control how proteins are
assembled & constructed.
C. Hormones provide the information to
change protein function.
D. Cell nuclei assemble & then give
instructions to construct proteins.
Question #1:
What kind of cells most likely result
from uncontrolled growth due to mutations in genes
that control the cell cycle?
A. nerve cells
B. bone cells
C. cardiac cells
D. cancer cells
Question #2:
Which statement does not describe cell
cycle checkpoints?
A. Normal checkpoints assess damage to DNA.
B. Faulty checkpoints may lead to abnormal cell
growth.
C. Cell checkpoints can fail during mitosis
& meiosis.
D. Defective checkpoints result in the death of
the cell.
Question #1:
Which biomolecule is the resulting product when a
polypeptide chain is broken down?
A. a fatty acid
B. a nucleotide
C. an amino acid
D. a simple sugar
Question #2:
Chemicals present in fungi that break down plant
material are most likely members of which group?
A. carbohydrates
B. proteins
C. nucleic acids
D. fats
Question #1:
A student designs a model of a DNA molecule. In
order to demonstrate how the molecule codes for
different traits, it is most important for the model
to show which detail of the molecule?
A. the molecule’s length
B. the number of genes in the molecule
C. the sequence of nitrogenous base pairs
D. the chemical structure of deoxyribose
Question #2:
The Miller-Urey experiment showed:
A. how life formed on a young Earth.
B. early Earth had the right ingredients for
amino acids to form.
C. how life can evolve into complex lifeforms.
D. how animals die according to survival of the
fittest.