Why are carbohydrate important for organisms

They provide quick energy and structural support

36 ATP are made along with CO2 and water. What is happening and what organelle?

Cellular respiration – mitochondria

Which of the following is true?

Aerobic respiration & photosynthesis both occur in plants

Which of the following mutations would be the worst?

Frameshift mutation at the beginning of a DNA sequence

What is the most obvious flaw in the design of this experiment?

More variables need to be standardized.

What is the primary purpose of the selectively permeable cell membrane?

to control which materials enter and leave the cell

A person with swollen gums rinses their mouth with saltwater and the swelling goes down...why?

The water in the gums moves into the saltwater

Which of the following is a main part of the cell theory?

Cells are basic units of structure & function for life.

Why must everyexperiment include a control group?

The control group is used for comparison

Which of the following statements about photosynthesis is correct?

The products of photosynthesis are sugar and oxygen.

What is the correct order of things from smallest to largest?

atom, molecule, organelle, cell, tissue

Which of the following correctly describes the endosymbiotic theory?

prokaryotic cells joined to form eukaryotic cells

What is an example of diffusion?

oxygen moving into the blood from the lungs

Which group are all found in prokaryotic cells?

Ribosomes, DNA, cytoplasm, cell membrane

In females, meiosis results in

The production of one egg and three polar bodies

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Biology Midterm Review

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Questions 40

Answers

1
Which of the following are steps of protein synthesis?
Transcription and Translation
Replication and Transcription
Translation and DNA synthesis
Replication, Transcription and Translation
2
Why are carbohydrate important for organisms
They build muscle & speed up the chemical reactions.
They provide quick energy and structural support
They provide insulation and protection.
They contain the genetic code
3
36 ATP are made along with CO₂ and water. What is happening and what organelle?
Cellular respiration – mitochondria
Photosynthesis – chloroplast
Photosynthesis – mitochondria
Cellular respiration -- chloroplast
4
Which of the following is true?
Photosynthesis occurs in plants and animals
Photosynthesis occurs in only animals.
Aerobic respiration & photosynthesis both occur in plants
Lactic acid fermentation occurs in plants
5
What is the dependent variable in this experiment?
Type of soil
Diameter of the pumpkin
Type of seed
Amount of sunlight
6
Glucose is kept in balance in the bloodstream by insulin. Which concept is this?
homeostasis
metabolism
adaptation
organization
7
Which of the following mutations would be the worst?
Frameshift mutation at the beginning of a DNA sequence
Frameshift mutation at the end of a DNA sequence.
Point mutation at the end of a DNA sequence
Point mutation at the beginning of a DNA sequence
8
In what stage of the cell cycle does DNA replication occur?
interphase
metaphase
cytokinesis
mitosis
9
eyepiecemagnification is 10x and the objective magnification is set at 40x, total mag.?
400
40
10
50
10
A student IDs a cell as being eukaryotic... why?
has chloroplasts
has a cell membrane
has a cell wall
has a nucleus
11
What is the most obvious flaw in the design of this experiment?
The pumpkins were watered daily
All of the pumpkins are grown in the same type of soil.
Only three amounts of sunlight were tested.
More variables need to be standardized.
12
Transcription occursin which of the following organelles?
chloroplast
nucleus
mitochondria
ribosome
13
Which cell organelle is the site where proteinsare made?
vacuole
ribosome
e.r
nucleus
14
Sperm cells have lots of ____________ in cells to move rapidly to reach the egg.
mitochondria
ribosomes
vacuoles
chloroplasts
15
During which stage of mitosis does the nucleus start to disappear?
Prophase
Cytokinesis
Telophase
Interphase
16
What is the primary purpose of the selectively permeable cell membrane?
to keep all of the cytoplasm inside
to manufacture proteins
to allow photosynthesis to occur
to control which materials enter and leave the cell
17
Sister chromatids are
opposites
complementary
identical
similar
18
A person with swollen gums rinses their mouth with saltwater and the swelling goes down...why?
the salt in the solution has moved against the conc. grad.
the saltwater lowers the temp of the water in the gums
gums absorbed the saltwater
The water in the gums moves into the saltwater
19
Which of the following is a main part of the cell theory?
Cells are basic units of structure & function for life.
All cells contain a nucleus.
Cells make up all living and nonliving things.
All organisms are made of one cell.
20
What happens to a cell that is taken from a 15% salt solution and put into a 0% salt solution?
No change in cell
cell will grow
cell will divide
cell will shrink
21
Membrane organelles are found in
Both A and B
Bacteria
Eukaryotic cells
Prokaryotic cells
22
Which is the function of a group of cells that contains a high number of chloroplasts?
transpiration
respiration
photosynthesis
fermentation
23
A scientist treats acell with a chemical that destroys the ribosomes. What won't happen?
respiration
Osmosis
photosynthesis
protein synthesis
24
Why must everyexperiment include a control group?
control ensures there is replication for the exp't
control is the extremes of the variables being tested
The control group is used for comparison
control is the variable that is tested
25
Which of the following statements about photosynthesis is correct?
Photosynthesis occurs in the mitochondria.
The products of photosynthesis are sugar and water.
Sunlight is not necessary for photosynthesis to occur.
The products of photosynthesis are sugar and oxygen.
26
Which of the following is a strong base?
2
7
14
8
27
Which of the following is an enzyme?
hemoglobin
cellulose
glucose
helicase
28
Which of thefollowing is the main element found in ALL organic compounds?
oxygen
carbon
potassium
nitrogen
29
Which of the following are the monomers of lipids?
monosaccharides
fatty acids and glycerol
oils and waxes
amino acids
30
What is the independent variable in this experiment?
Amount of sunlight
Type of seed
Type of soil
Diameter of the pumpkin
31
Which of the following produces the greatest amount of ATP?
photosynthesis
alcoholic fermentation
aerobic respiration
lactic acid fermentation
32
Cell starts with 200 chromo. End of division there's 4 cells with 100 chromo. What happened?
mitosis
meiosis
asexual reproduction
binary fission
33
Which of the following is not a type of passive transport?
facilitated diffusion
endocytosis
diffusion
osmosis
34
What is the correct order of things from smallest to largest?
atom, molecule, cell, organelle, tissue
cell, atom, molecule, organelle, tissue
organelle, cell, tissue, atom, molecule
atom, molecule, organelle, cell, tissue
35
Which of the following correctly describes the endosymbiotic theory?
cells are the basic unit of life
Organic compounds were formed from inorganic compounds
prokaryotic cells joined to form eukaryotic cells
multicellular organsism formed from unicellular
36
Which of the following is the basic unit of life?
atom
cell
organelle
organism
37
Which of the following will not impact the rate of enzyme activity?
pH
Substrate concentration
Temp
Light intensity
38
What is an example of diffusion?
water moving into root cells
Potassium ions move into a cell that has lots of potassium
water moving out of a freshwater fish into saltwater
oxygen moving into the blood from the lungs
39
Which group are all found in prokaryotic cells?
Ribosomes, nucleus, cytoplasm, cell wall
Chloroplast, DNA, ribosomes, vacuole
Chloroplasts, nucleus, flagella, vacuole
Ribosomes, DNA, cytoplasm, cell membrane
40
In females, meiosis results in
The production of four sperm
The production of four eggs
The production of one egg and three polar bodies
The production of one egg only

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