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WorksheetsBiology Interim Review
Total questions: 112
Worksheet time: 1hrs 27mins
Enzymes belong to which class of macromolecules?
lipids
carbohydrates
proteins
nucleic acids
Which macromolecule is shown?
lipid
protein
nucleic acid
carbohydrate
What is the key role (function) of carbohydrates?
energy storage
immunity, muscles, structure for tissues, cell metabolism
instant energy for cells and body functions
genetic information (heredity)
If this property of a protein is changed, the protein will denature and will no longer function properly
Number of carbon and hydrogen atoms
size
shape
color
Oils are liquid at room temperature because they are...
saturated fats
unsaturated fats
have a high boiling point
they are not liquid
What happens when enzymes are heated to a high temperature?
The enzymes die.
The shape of the enzyme are changed and it denatures
The enzymes' amino acid sequence changes.
The enzymes remain the same
REFER TO GRAPH: Which enzyme would function best in the human body?
A (blue)
B (red)
Both
Neither
REFER TO GRAPH: At a pH of 4, what could happen to this enzyme?
It would catalyze the substrate at a faster rate.
It would have no effect.
It would function at its optimum.
It would possibly denature.
REFER TO GRAPH: If the pH of Catalse were altered, it would function better at a pH of ____.
2
4
6
9
Which organelle contains genetic material?
Endoplasmic Reticulum
Golgi Complex
Nucleolus
Nucleus
Which organelle receives proteins and materials from the endoplasmic reticulum, packages them, and distributes them?
lysosomes
golgi apparatus
ribosomes
endoplasmic reticulum
Which homeostatic process requires energy to move particles across the plasma membrane?
active transport
passive transport
dynamic equilibrium
osmosis
Which homeostatic process moves particles against a concentration gradient?
dynamic equilibrium
passive transport
osmosis
active transport
Which statement describes the ability of the cell membrane to allow various substance to move through it?
The cell membrane is selectively permeable.
The cell membrane is composed of lipids and phosphates.
The cell membrane is both hydrophilic and hydrophobic.
The cell membrane is a bilayer structure.
Which best describes dynamic equilibrium?
There is a difference in concentration on either side of the cell membrane.
There is an uneven distribution of particles inside and outside the cell.
Particles are moving into and out of the cell, but their concentrations remain stable.
A concentration gradient is forcing water out of the cell and particles into the cell.
In which kind of solution is the concentration of solutes the same inside and outside of the cell?
isotonic
hypertonic
hypotonic
concentrated
Which process is characterized by the movement of particles from an area of high concentration to an area of low concentration across the plasma membrane without the use of energy?
hypertonic transport
active transport
passive transport
dynamic equilibrium
Which motion of particles across a membrane requires energy?
from high concentration to low concentration
from low concentration to high concentration
with no concentration gradient
through dynamic equilibrium
What would most likely happen to a unicellular organism if it was exposed to a hypotonic solution for an extended period of time?
It would shrivel and shrink.
It would swell but never burst.
It would swell and then burst.
It would not be affected.
Which solution would most likely cause a plant placed in it to become firmer and more rigid?
hypertonic
hypotonic
isotonic
osmotic
Water makes up a large percentage of the body’s cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The movement of water from an area of high water concentration to an area of low water concentration is ___________.
diffusion
osmosis
active transport
stable transport
Osmosis is specifically.....
diffusion of water molecules through a semi-permeable mebrane from an area of low concentration to an area of high concentration
the diffusion of particles from an area of high concentration to an area of low concentration
diffusion of water molecules through a semi-permeable membrane from an area of high concentration to an area of low concentration
the diffusion of particles from an area of low concentration to an area of high concentration
Nemo and other ocean dwelling fish cannot survive in freshwater because......
freshwater is hypertonic to Nemo's cells and will result in water leaving them causing the cells to shrink
freshwater is hypotonic to Nemo's cells and will result in water leaving them causing the cells to shrink
freshwater is hypertonic to Nemo's cells and will result in water entering them causing the cells to swell and burst
freshwater is hypotonic to Nemo's cells and will result in water enter them causing the cells to swell and burst
In the cell pictured, which way would water move?
Into the cell, causing the cell to swell
Out of the cell, causing the cell to shrink
In and out of the cell equally, keeping the shape the same
In the cell pictured, where would water move?
Into the cell, causing it to swell
Out of the cell, causing it to shrink
In and out of the cell equally, causing the shape to stay the same
What is the name of the low energy molecule of the cell?
ATP
ADP
Which of the following best explains the affect of cell respiration?
Oxygen is released into the atmosphere
Carbon dioxide is released into the atmosphere
Glucose is released into the atmosphere
ATP is released into the atmosphere
Which of the following best explains the purpose of cell respiration?
In cell respiration, sunlight is used to make sugar
In cell respiration, sunlight is used to make ATP
In cell respiration, glucose is used to make energy
In cell respiration, oxygen is used to make sugar
What are the two parts of the cell cycle?
Interphase and Mitosis
Interphase and Cytokinesis
Interphase and Meiosis
Mitosis and Meiosis
In what part of the Cell Cycle does the cell grow and replicate DNA?
Interphase
Mitosis
Meiosis
Cytokinesis
What is the order of the three phases in interphase?
G1, G2, S
S, G1, G2
G1, S, G2
G1, G2, G3
What would happen if you are injured and the cell cycle is stopped in your body?
You would form cancer
The injury wouldn't heal
You would mutate
The injury would get worse
In one phase of mitosis the chromosomes are attached to spindle fibers and line up in the center of the cell – what phase is this?
Anaphase
Telophase
Prophase
Metaphase
How many daughter cells are formed during mitosis?
4
3
2
1
What happens to the chromosomes during anaphase?
they line up
they are pulled apart
they are at either end of the cell
they duplicate
Do the daughter cells formed from mitosis have DNA identical to the parent cells or different to the parent cells?
Identical
Different
Identical but different
Which phase of cell division is different in plant cells verses animal cells?
interphase
mitosis
cytokinesis
telekinesis
What phase of mitosis is shown in D?
Prophase
Telophase
Anaphase
Metaphase
Cells of organisms must replicate for?
Growth
Replacement of dying cells
Repair of damaged cells
All of the above
What is the correct order of the phases of mitosis?
Metaphase, Anaphase, Prophase, Telophase,
Pelophase, Motophase, Anaphase, Trophase
Prophase, Metaphase, Anaphase, Telophase
Telophase, Anaphase, Prophase, Metaphase
Why do cells go through mitosis?
to make food from sunlight
to get air into the cells
to create proteins
to reproduce, grow, and repair/replace cells
High Surface area to volume ratio allows cells to do what quickly?
Move materials around inside the cell
Move materials in and out of the cell
Communicate to other cells
Divide
