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Duplicate of Test 1 Review
Duplicate of Test 1 Review
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A review of chemistry and cells for Test 1
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
A disaccharide can be broken down by
Hydrolysis
Adding acid
Dehydration synthesis
Adding heat
2
In a double covalent bond
Atoms share 2 pairs of electrons
The atoms share 1 pair of electrons
1 atom shares 2 electrons with the other atom
1 atom transfers 2 electrons to the other atom
3
If pH is increased from 8 to 9
pH 9 has 10 times more OH- than pH 8
pH 8 has 10 times more OH- than pH 8
pH 9 has 100 times more proton concentration than pH 8
pH 9 has 2 times more H+ than pH 8
4
1.5 meters equals
150 cm
.015 cm
1500 cm
15 cm
5
Which of the following would you
NOT
find in a bacterial cell
Golgi apparatus
Plasma membrane
Ribosome
DNA
6
What is the
FUNCTION
of this organelle
Package and ship proteins and lipids
Create ATP
Conduct photosynthesis
Manufacture lipids
7
What happen to a plant cell in a hypertonic solution?
plasmolysis
turgor pressure builds
lysis
crenation
8
The scientific method requires
None of the above
Inductive reasoning
Both inductive and deductive reasoning
Deductive reasoning
9
Which organelles are found in animal cells, but not plants
Centrioles and lysosomes
Mitochondria and centrioles
Centromere and lysosome
Mitochondria and centromeres
10
Which macromolecule
requires
phosphorous to form
Nucleic Acid
Monosachharide
Lipids
Carbohydrates
11
In the diffusion experiment, how can we tell that starch did not move out of the bag?
The beaker was clear
The bag was clear
The bag was black
The beaker was amber colored
12
In ionic bonds,
Electrons are shared evenly between atoms
Have a transfer of neutrons between atoms
Electrons are shared unevenly between atoms
Have a transfer of electrons between atoms
13
What oraganelle manufactures secretory protiens?
Smooth endoplasmic reticulum
Rough endoplasmic reticulum
Golgi apparatus
Mitochondria
14
Which is
NOT
a function of a protein in a membrane?
Marker/label
All are functions of proteins in membranes
Enzyme
Transport substances
15
Water's high specific heat is a consequence of
The energy required to break hydrogen bonds
The high specific heat of oxygen
Water being the universal solvent
The small size of the molecule
16
The macromolecule that stores energy for both short and long term use
Carbohydrate
Lipid
Nucleic acid
Protein
17
Which of the following structures has a 9+0 arrangement?
Centrosomes
Centrioles
rER
Cilia and flagella
18
When a protein develops a pleated sheet structure, it has reached its
Primary structure
Quarternary structure
Tertiary structure
Secondary structure
19
An organism is eukaryotic, unicellular, and autotropic. Which kingdom does it belong to?
Animala
Protista
Plant
Fungi
20
This is a positive test for
Lipid
Starch
Protein
Sugar
21
In scientific research, you start by
Setting up an experiment
Doing background research
Making a hypothesis
Making an observation
22
All livings things in a given area are called a
Species
Community
Population
Ecosystem
23
Red blood cells have a tonicity of 0.9%. Which of these is hyptonic to blood?
1.9%
0.9%
9%
0.09%
24
What reagent tests for sugars?
Biuret solution
Iodine
Benedict's solution
Sundan IV solution
25
A potato in water becomes crisp. This solution is _____ and water moves ______ the potato.
hypertonic ; into
hypotonic ; into
hypotonic ; out of
hypertonic ; out of
26
Facilitated diffusion moves substances
Against the concentration gradient requiring ATP
Against the concentration gradient, not requiring ATP
With the concentration gradient, not requiring ATP
With the concentration gradient requiring ATP
27
What is true about carbon?
It has 4 valence electrons
It can form a variety of molecular shapes
All of these are correct
It can form 4 covalent bonds
28
How much of a substance with a molecular weight of 80 would you need for 500 mL of 3 M sol'n?
80 g
240 g
480 g
120 g
29
Tissues of the body will join to form
Cells
Organs
Organelles
Organisms
30
What is the maximum number of covalent bonds an element with atomic weight 16 can form?
2
4
3
1
