Question 1

Question

The table shows the direction and function of substances in a chemical reaction that takes place in the chloroplasts of plant cells. The table is missing information at W, X, and Y.

What is substance W?



a
methane
b
starch
c
sunlight
d
minerals
Question 2
ALL Viruses have the following structures, EXCEPT ____________.

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a
capsid (protein coat)
b
genetic material (RNA or DNA)
c
nucleus
Question 3
A student wants to develop an explanation of the role cellular respiration and photosynthesis play in the cycling of matter.

Answering which of the following questions would MOST help the student develop an explanation?

a
Which cell organelles carry out the processes of photosynthesis and cellular respiration?
b
Which inputs or outputs of photosynthesis and cellular respiration are a source of heat?
c
Which products of cellular respiration are also used as inputs during photosynthesis?
d
Which type of energy is used during photosynthesis and released during cellular respiration?
Question 4
In eukaryotic cells, the cytoplasm is contained within cells in the space between the _____ and the _____.

a
nucleus and the nuclear membrane, only
b
cell membrane and the plasma membrane
c
cell membrane and the nuclear membrane
d
plasma membrane and the external glycoproteins
Question 5
Which of the following organelles specializes in producing energy for the cell?

a
lysosome
b
Golgi apparatus
c
endoplasmic reticulum
d
mitochondria
Question 6
is a specific type of diffusion; it is the passage of water from a region of higher water concentration through a semi-permeable membrane to a region of water concentration. Water moves in or out of a until its concentration is the same on both sides of the cell membrane. A cell in a pure water solution (hypotonic solution) would be expected to in volume due to the net flow of .

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Word Bank:
cellsaltwaterdecreaseincreasesolutesfacilitated diffusionlowerhigherosmosisactive transportendocytosissolutespassive transport
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Question 7
Which of the following is NOT an example of homeostasis?

a
During rigorous exercise the heart rate increases to deliver more blood to the cells.
b
When blood glucose is high, the hormone insulin reduces blood glucose.
c
As humans age, they become more susceptible to disease and cancer.
d
When body temperature rises, nerve impulses cause sweat glands to release more sweat.
Question 8
During prophase, a stage in the cell cycle,

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a
the cell duplicates its genetic material- doubling the number of chromossomes.
b
the nuclear envelope breaks down and chromatin condenses into chromosomes.
c
the cell begins to separate into two new genetically unique cells.
d
the chromosomes in the cell begin to move and align at the equator of the cell.
Question 9
When a eukaryotic cell undergoes cellular division, creating two new daughter cells that have the same number of chromosomes as the parent cell, the cell has undergone

a
mitosis.
b
endocytosis.
c
cellular respiration.
d
meiosis.
Question 10
Cancer is the result of

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a
Cells which create working tissues
b
Uncontrolled cell division
c
Cells which have lost the ability to reproduce
d
Cells which grow normally but no longer function correctly
Question 11
Which of the following shows the correct sequence of the cell cycle? (Starting with a new cell)

a
Cytokinesis, Mitosis, G1, S-Phase, G2
b
S-Phase, G1, G2, Mitosis, Cytokinesis
c
G1, G2, S-Phase, Cytokinesis, Mitosis
d
G1, S-Phase, G2, Mitosis, Cytokinesis
Question 12
A student creates a model of the two-step process of meiosis.
image 7562ab4cc5f94974aa46f5156b24569e

Which choice could be used to correctly complete the model?

A.
image 445e3bf9a3e94109916d983d0b800ecb





B.
image aa75a64772d84a53b16fb0560144c365





C.
image 23f4472cf0d94f34a7815d5159c2d3cb





D.
image 6a4553bc5d444ac282bdd396833172c5



a
A
b
B
c
C
d
D
Question 13
Review this diagram; select the response that BEST describes label #2.

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a
centromere
b
chromatid
c
chromatin
d
sister chromosomes
Question 14
During the cell cycle, the cell replicates DNA. This step occurs

a
before both interphase and mitosis.
b
after mitosis.
c
between interphase and mitosis.
d
during interphase.
Question 15
Cancer is best and accurately described as cells ...

a
that create functioning tissues.
b
growing normally, but no longer function correctly.
c
which have lost the ability to reproduce.
d
with uncontrolled cell division.
Question 16
The diagram shows two models of the cellular division process.

Which of the following describes how both of these cellular division processes maintain genetic continuity for both multicellular and unicellular organisms?

a
Both process involve the recombination and division of new genetic material.
b
Both processes involve the replication and division of identical genetic material.
c
Both processes creates cells with half the genetic material of the parent cells.
d
Both processes create cells with twice the genetic material of the parent cells.
Question 17
Which diagram best represents mitotic cell division?

A.




B.




C.




D.

a
A
b
B
c
C
d
D
Question 18
The model shows a step in the process of cell division.


What has to develop from the cell plate (pinkish line between nuclei) for the plant cell to complete cytokinesis?
a
spindle fibers
b
cell wall
c
centrioles
d
nuclear membrane
Question 19
What is occurring in the G1 and G2 phases of a normal cell cycle?

a
cell division
b
growth
c
nuclear division
d
chromosome replication
Question 20
Review this diagram; select the response that BEST describes label #1.

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a
chromatin
b
centromere
c
sister chromosomes
d
chromatid
Question 21
Order the main steps of mitosis - with the top being first and the bottom, last.

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Reorder answers
1.metaphase
Reorder answers
2.prophase
Reorder answers
3.anaphase
Reorder answers
4.telophase
Question 22
Matching: Please match the phase of the cell cycle to the event described.

Column A
1.
Interphase:
Interphase
2.
Prophase:
Prophase
3.
Metaphase:
Metaphase
4.
Anaphase:
Anaphase
5.
Telophase:
Telophase
6.
Cytokinesis:
Cytokinesis
Column B
a.phase of mitosis in which the distinct individual chromosomes begin to spread out into a tangle of chromatin within the newly formed nuclei
b.phase of mitosis in which the chromosomes line up across the center of the cell
c.first and longest phase of mitosis in which the genetic material inside the nucleus condenses and the chromosomes become visible
d.period of the cell cycle where the cell performs its cell "job"
e.division of the cytoplasm ending in the formation of two separate daughter cells
f.phase of mitosis in which the chromosomes separate and move to opposite ends of the cell
Question 23
Christian was a 7 pound, 19 inch long baby, but is now 6 foot 4 inches and weighs 185 pounds. Binary fission is the biological process responsible for this growth.





True
False
Question 24
Phases of the Cell Cycle
Phase Stage Description
Interphase

(longest phase)

growth, organelle replication and the cell functions (longest stage)
(synthesis) DNA (chromosomes) replicated and the cell functions
growth, organelle replication and cell functions -prep for division
Mitotic (M) Phase

nuclear division (PMAT) → 2 nuclei
cell division → 2 identical daughter cells

Complete the table with the correct stages of the Cell Cycle.

Word Bank:
G2AnaphaseNuclearMProphaseCytokinesisMitosisTelophasePMATSG1Cytoplasm
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Question 25
During prophase, a stage in the cell cycle,

a
the nuclear envelope breaks down.
b
the cell begins to separate into two new cells.
c
the chromosomes in the cell begin to move.
d
the cell duplicates its genetic material.
Question 26
Bacteria are unable to do mitosis, because _____________________.

Cartoon character design of e.coli bacteria with a crying ...

a
mitosis is nuclear division
b
they only reproduce using meiosis
c
prokaryotes lack a cell cycle
d
only eukaryotes do cytokinesis
Question 27
Which diagram best represents a plant cell close to the final stage of mitosis and cytokinesis?

A. B. C. D.

a
A
b
B
c
C
d
D
Question 28
Directions: The diagram shows phases in a cell cycle in the order that they occur. Use the diagram to answer the question below.

The cell cycle is disrupted when there is an abnormal increase in the rate of mitosis. An abnormal and uncontrolled increase in the rate of mitosis is frequently associated with an individual developing _

a
a single set of chromosomes.
b
only one sex cell.
c
a type of cancer.
d
into two or more organisms.
Question 29
During telophase, a stage in the cell cycle,

a
the cell begins to separate into two new cells.
b
the chromosomes in the cell begin to move.
c
the cell duplicates its genetic material.
d
the nuclear envelope breaks down.
Question 30

a
They stimulate maximum root growth and stem growth at the same concentration.
b
They stimulate maximum stem growth at low concentrations.
c
They stimulate maximum root and stem growth at different concentrations.
d
They most strongly inhibit root growth at low concentrations.

Answer 1

a
They stimulate maximum root growth and stem growth at the same concentration.