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Biology Semester Exam
Biology Semester Exam
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Biology Units 1-5
Flashcards
39 cards
F
Practice quiz
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Host live
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Questions
39
Answers
1
DNA replication results in:
One with 2 new strands and the other with 2 originals
two new strands of DNA
each with one new strand and one original strand
each with two original strands
2
In mitosis, a parent cell with 12 chromosomes will have 2 daughter cells with:
6 chromosomes
24 chromosomes
12 chromosomes
12 chromatids
3
What are the components of a nucleotide?
Sugar, nitrogenous base and a lipid
Deoxyribose, phosphate and a nitrogenous base
Sugar, phosphate and a lipid
Deoxyribose, ribose and phosphate
4
What is biology?
The study of cells
The study of rocks and organisms
None of the above
The study of the living world
5
Which characteristic of living things explains why offspring have similar traits as parents?
Living things respond to the environment
Living things maintain homeostasis
Living things are composed of cells
Living things pass on genetic information using DNA
6
How does an enzyme speed up a chemical reaction?
By lowering the Activation Energy
By mixing the reactants faster
By heating up the reactants
By using energy in the air to complete the reaction
7
These are the organelles produced by the Golgi Body
Vesicles
Ribosomes
Vacuoles
Nucleus
8
What macromolecule is used for long term energy storage and makes up the cell membrane layers?
Protein
Carbohydrate
Nucleic acid
Lipid
9
The Channels and pumps with in the cell membrane are made of what type of molecules?
Proteins
Carbohydrates
Lipids
Cholesterol
10
What macromolecule is used for making antibodies, enzymes and muscle?
Lipid
Protein
Nucleic Acid
Carbohydrate
11
All living organisms have this in common
Linear DNA
They all use DNA and RNA
All are eukaryotes
They all have 46 chromosomes
12
What is an enzyme?
A carbohydrate that is involved in the production of ATP
None of the above
A protein that helps to speed up chemical reactions
Always used to break apart molecules
13
What organelle packages and transports proteins and lipids throughout the cell?
Golgi Body
Mitochondria
Rough ER
Ribosome
14
The previous question describes the :
Semi-conservative model
None of the above
Semi-conducive model
Semi-stranded model
15
What is the correct order of mitosis?
Metaphase, anaphase, prophase, telophase
Prophase, metaphase, telophase, anaphase
Prophase, telophase, metaphase, anaphase
Prophase, metaphase, anaphase, telophase
16
What is the simplest level of organization in a multi cellular organism?
Organelle
Tissue
Organ
Cell
17
The structure that moves to the opposite sides of the cell and attached the spindle.
Centromere
Chromatin
Centriole
Chromosome
18
If Kool-Aide is dissolved in water the water is the?
Solution
Solute
reactant
Solvent
19
When molecules are too large to enter the cell through the membrane they use the process of?
Passive Transport
Exocytosis
Endocytosis
Simple Diffusion
20
The name to represent the change in shape of the enzyme molecule in this picture is?
The induced fit model
The active site model
The enzyme substrate complex
The 3D enzyme model
21
The structure that holds 2 sister chromatids together.
Chromatin
Centriole
Chromosome
Centromere
22
A variable that is changed or manipulated on purpose by a scientist in an experiment is a(n)
Dependent variable
Secure variable
Control variable
Independent variable
23
What phase of mitosis does the nuclear membrane disappear and centrioles appear?
Anaphase
Prophase
Metaphase
Telophase
24
What is a difference between eukaryotes and prokaryotes?
The presence of Ribosomes
The presence of a cell membrane
None of the above
The shape of the DNA
25
What macromolecule is used for short term energy storage and cell walls in plants?
Protein
Nucleic Acid
Carbohydrate
Lipid
26
What makes up the backbone portion of the DNA?
Nitrogenous bases
deoxyribose and phosphate group
a nitrogenous base and the deoxyribose
a nitrogenous base and a phosphate group
27
The energy required to start a chemical reaction is?
Unusable energy
Start Up energy
Chemical Energy
Activation Energy
28
What is not a difference between plant and animal cells
Mitochondria
Chloroplasts
Cell Walls
Vacuole size
29
What phase of mitosis do chromosomes line up in the middle of the cell?
Telophase
Prophase
Anaphase
Metaphase
30
What is the movement of small molecules like O
2 &
CO
2
across a selectively permeable membrane?
Osmosis
Active Transport
Exocytosis
Diffusion
31
If when placed in a solution the cell shrinks the solution is?
Isotonic
Hypotonic
Hypertonic
At equilibrium
32
What phase of mitosis do the nuclear membranes reform and the cleavage furrow is present?
Anaphase
Metaphase
Telophase
Prophase
33
Which organelle is responsible for regulating what enters and exits the cell?
Cell Membrane
Mitochondria
Vacuole
Golgi Body
34
Which side of the reaction is the products? CO
2
+ H
2
O --Sun---> C
6
H
12
O
6
+ O
2
Left
Right
35
What kind of bond holds nitrogenous base pairs together in DNA?
Hydrogen
They are not bonded together
Covalent
Ionic
36
What phase of mitosis do the sister chromatids move away from each other?
Anaphase
Metaphase
Prophase
Telophase
37
What is not a job of the Nucleus
Makes carbohydrates that are ID tags for the cell
Regulates cell processes
Store DNA
Contains directions needed to make proteins
38
What macromolecule makes up DNA and RNA which stores our genetic information?
Carbohydrate
Protein
Nucleic Acid
Lipid
39
When different cells are used for specific jobs in an organism it is called?
Cell orientation
Cell customization
Cell specialization
Individualization
