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GA MILESTONE REVIEW 2 Flashcards | StudBud
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GA MILESTONE REVIEW 2
GA MILESTONE REVIEW 2
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1
What is the difference between a cancer cell and a normal cell?
Normal cell divide uncontrollably
Cancer cells divide uncontrollably
cancer cells cannot copy DNA
Normal cells cannot copy DNA
2
An organism's diploid number is 36. It has _____ chromosomes in it's gametes.
72
18
36
9
3
How is atmospheric nitrogen made available for use in the human body?
humans have enzymes that break the nitrogen down
bacteria break down the nitrogen
rain dissolves the nitrogen
sunlight breaks down the nitrogen
4
What is NOT one of the characteristics of life?
Breathes oxygen
Made of cells
Maintains homeostasis
Responds to stimuli
5
What is the role of mitochondria in eukaryotic plant cells?
cellular respiration
storage of water
protein synthesis
photosynthesis
6
Does the presence of DNA help classify disease causing agents as either bacteria or viruses?
Yes, bacteria have DNA but viruses do not
Yes, viruses have DNA but bacteria do not
No, viruses and bacteria both have DNA
No, neither viruses nor bacteria have DNA
7
Where does all energy originally come from?
Batteries
Plants
Sunlight
Water
8
What is the formula for Photosynthesis?
H20+CO2+Sunlight=C6H96O6+O2
H20+CO2+Sunlight=C6H12O6+O
H20+CO2+Sunlight=C6H12O6+O2
H20+CO2=C6H12O6+O2
9
What is the correct order of Mitosis?
Metaphase, Prophase, Anaphase, Telophase
Prophase, Metaphase, Telophase, Anaphase
Telophase, Anaphase, Metaphase, Prophase
Prophase, Metaphase, Anaphase, Telophase
10
What type of energy is ATP?
Chemical
Thermal
Physical
Kenetic
11
How are the chromosomes in the sex cells different from the chromosomes in body cells
body cells have half as many chromosomes
there is no difference
sex cells have twice as many chromosomes
sex cells have 1/2 the number of chromosomes
12
Two parents are
Gg
for a dominant genetic disorder. What % of their children willhave it?
75%
100%
50%
25%
13
A turkey's egg has 40 chromosomes. What is it's haploid #?
80
20
160
40
14
Which is not a part of the cell theory?
Cells are the basic unit of life
Viruses are alive
All organisms are made of cells
cells are made from existing cells
15
A turkey's egg has 40 chromosomes. What is it's diploid#?
80
20
160
40
16
Which of the following solutions is the strongest acid?
pH 6
pH 13
pH 3
pH 8
17
What is the function of the Mitochondria?
Regulates what goes in and out of the cell
Cleans the cell
Holds genetic info
Carries out aerobic respiration
18
Which technology uses electricity to sort DNA fragments by their size?
DNA microarrays
Genetic Engineering
Gel electrophorisis
Polymerase chain reaction
19
What scientists won the Nobel Prize for developing a model of a DNA molecule?
Watson and Crick
Hershey and Chase
Chargaff and Griffin
Avery and Franklin
20
What is Biology?
The study humans
The study of life
The study of plants
The study of animals
21
What is an advantage of sexual reproduction?
it is good in changing conditions
it is good in stable conditions
only takes one parent
there is genetic variability
22
Pop Density = # organisms / total area. If 50 m2 area has 5 rabbits, what is the density?
1 rabbit per 10 square meters
1 rabbit per square meter
0.1 rabbits per 5 square meter
0.5 rabbits per square meter
23
To release energy from ATP, a _______ is released and the molecule becomes _______.
phosphate, ADP
ADP, ATP
sugar, base
adenine, ATP
