One difference between prokaryotes and eukaryotes is that

prokaryotes have no nuclear membrane

Metabolism is the sum of ...

chemical reactions that transform energy/materials

The phospholipid bilayer is

composed of polar heads and 2 part tails

Without enzymes, chemical reactions in the body would...

occur too slowly to support life

Scientists usually design experiments...

with a good idea of the expected experimental results

Look at the image when it appears. What is structure #12 for?

allow things to enter/leave the cell

All organisms have DNA. What does DNA do?

contains information for growth and development

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Review #1

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Questions 27

Answers

1
One difference between prokaryotes and eukaryotes is that
mitochondria are found in larger quantities in eukaryotes
nucleic acids are found only in prokaryotes
prokaryotes have no nuclear membrane
the Golgi apparatus is found only in prokaryotes
2
The smallest units of life in all living things are
mitochondria
cells
cytoplasm
Golgi apparati
3
The size to which a cell can grow is limited by the
surface area of the membrane
function of the organelles
location of its nucleus
structure of the cell wall
4
Look at the image when it appears. What is structure #3 for?
control cellular function
construct ATP
break down material
transport material
5
Which of the following organelles contain digestive enzymes?
endoplasmic reticulum
mitochondrion
Golgi apparatus
lysosome
6
Metabolism is the sum of ...
organelles, cells, and tissues in an organism
DNA in a cell's nucleus
mechanisms to release water
chemical reactions that transform energy/materials
7
The phospholipid bilayer is
composed of polar heads that face inward
arranged with Golgi apparati in tangent for communicaiton
arranged by densly packed fatty proteins
composed of polar heads and 2 part tails
8
Look at the image when it appears. What is structure #2 for?
allow things to enter/leave the cell
create ribosomes
break down material
package things for export
9
Look at the image when it appears. What is structure #14 for?
break down material
transport material
control cellular function
construct ATP
10
What is biology?
study of energy
study of life
study of the weather
study of minerals
11
What is homeostasis?
evolution
rapid change
a change over long periods of time
a stable internal environment
12
Living things...
can reproduce
need energy
are composed of cells
all of these!
13
The boundary surrounding the nucleus is called the
nuclear membrane
nucleolus
nucleoplasm
nuclear wall
14
Which of the following is found in plant cells but not in animal cells?
mitochondria
a plasma membrane
the endoplasmic reticulum
a cell wall
15
Without enzymes, chemical reactions in the body would...
occur too slowly to support life
occur at the same rate as they do with enzymes
happen too fast
require a different pH
16
Scientists usually design experiments...
with a good idea of the expected experimental results
in order to develop new laboratory tools
without independent variables
based on wild guesses
17
The cell in the upcoming image is
an animal cell
a bacterial cell
a plant cell
a prokaryotic cell
18
All organic compounds contain the element
Carbon
Nitrogen
Calcium
Sodium
19
Energy is released when...
ATP loses a phosphate group
two ATP molecules are broken
ADP gains a phosphate group
Carbon atoms in ATP are broken
20
Look at the image when it appears. What is structure #12 for?
create ribosomes
allow things to enter/leave the cell
package things for export
break down material
21
A cell that requires lots of energy is likely to contain large numbers of ...
vacuoles
mitochondria
chromosomes
walls
22
Look at the image when it appears. The cell uses structure #9 to ...
package proteins so they can be stored by the cell
produce ATP for the cell
act as a receptor
transport material from one part of the cell to another
23
Only eukaryotic cells have
cytoplasm
ribosomes
membrane-bound organelles
DNA
24
Instructions for traits that are passed from parents to offspring are known as
natural selection
a species plan
genes
organ codes
25
A scientists observed that a mosquito might pass a disease to humans. This suggestion is a ...
hypothesis
scientific "truth"
conclusion
theory
26
The cell membrane...
is selectively permeable
encloses the contents of the cell
allows material to enter and leave the cell
all of these answers
27
All organisms have DNA. What does DNA do?
creates energy for cells
contains information for growth and development
allows sensitivity to environmental stimuli
captures energy from the sun

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