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Bio Review Unit 1: Organic Molecules and Scientific Method Flashcards | StudBud
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Bio Review Unit 1: Organic Molecules and Scientific Method
Bio Review Unit 1: Organic Molecules and Scientific Method
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Quiz used to review Unit 1 on website.
Flashcards
30 cards
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Questions
30
Answers
1
Which of the following is NOT a monomer?
Nucleotides
Amino Acids
RNA
Monosaccharides
2
Living things...
Grow and develop
Are made of cells
Reproduce
All of these
3
Which of the following conclusions is best supported by this data?
The number of females increases with increasing temperature
No males are born at temperatures above 36°
There would be even more males if the temperature were 40°
The number of males increases with increasing temperature
4
Which property of water gives it strong surface tension?
Cohesion
High Specific Heat
Adhesion
Capillary Action
5
Which of the following organic molecules is used for insulation?
proteins
Lipids
Carbohydrates
Nucleic Acids
6
What is the optimum pH of this enzyme?
5
7
9
3
7
Which of the following are examples of nucleic acids?
Amino Acids
DNA
RNA
Both DNA & RNA
8
Which of the following is NOT an example of qualitative data?
The specimen was two inches long.
The substance smelled like vinegar.
The solution is yellow.
The flower is wilting.
9
What is the independent variable in this experiment?
Nutrient Provided
None of the Above
Bacterial Survival
Number of Bacterial Colonies
10
Carbohydrates contain carbon, hydrogen, and oxygen in what ratio?
CH20
C2H2O
C6H6O6
CHO2
11
When you put a drop of iodine on your skin, it turns black. This indicates the presence of...
enzyme
starch
protein
lipid
12
What is water's ability to stick to other substances called?
cohesion
capillary action
surface tension
adhesion
13
Enzymes...
Are reusable
Lower the activation energy of a reaction
All of the above
Are proteins
14
If 50 more Joules of energy are added at the red point, what will the eggs' new temperature be?
80
140
100
120
15
Which of the following could denature an enzyme?
making the pH too high
making the pH too low
All of these
very high temperatures
16
Name the four elements that combine to form most all chemical compounds in living things.
hydrogen, carbon, sulfur, nitrogen
carbon, hydrogen, oxygen, nitrogen
carbon, hydrogen, sodium, oxygen
carbon, hydrogen, phosphorus, nitrogen
17
Which statement best explains these results?
Plants do not grow when exposed to blue light
Plants grow faster when exposed to red light
Blue light slows down plant growth
Hours of light exposure and plant growth are not related
18
What is the function of nucleic acids?
Long term energy
Store genetic material
Insulate
Quick energy
19
Changing the independent variable affects the value of the...
Constant
Hypothesis
Dependent Variable
Control
20
What organic compound is made up of a string of amino acids?
Nucleic Acids
Proteins
Carbohydrates
Lipids
21
Which type of organic molecules act as building blocks in the body?
Carbohydrates
Lipids
Proteins
Enzymes
22
Glucose, sucrose, and fructose are examples of what?
Lipids
Carbohydrates
Proteins
Fats
23
Which letter represents the substrate?
D
C
A
B
24
Water can form hydrogen bonds because...
It contains hydrogen.
It is polar
It is a small molecule.
It is a universal solvent.
25
An enzyme's active site is where...
Proteins are released
The product fits
It joins with coenzymes
The substrate fits
26
What is biology the study of?
The earth
All living things
The environment
Only animals and plants
27
What might scientists conclude from this data?
Lily pads grow optimally at a pH of 5
Lily pads grow optimally at a pH of 8
Lake A has warmer water
Lily pads cannot grow at a pH higher than 11
28
Why does food coloring not dissolve in vegetable oil?
Vegetable oil is not a universal solvent
Vegetable oil is hydrophilic
Vegetable oil is more dense than food coloring
Vegetable oil is hydrophobic
29
Which of the following is NOT quantitative data?
It took the water four minutes to boil
The oak tree is taller than the palm tree
The cylinder has a volume of seventy milliliters
The hen laid eight eggs
30
Which of the following statements are true?
Water has a high specific heat
Ice is less dense than water
Water resists temperature change
All of these
