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IB Biology Final Review
IB Biology Final Review
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Final Review IB BIology
Flashcards
36 cards
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Practice quiz
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Questions
36
Answers
1
What is a homologous structure?
Bird wing vs. bat wing
No function, but resembles structures in other organisms
Related function, but different structure
related structure, but different function
2
A small amount of a suspect’s DNA is found at a crime scene. What techniques would be used?
Paternity testing and the polymerase chain reaction
Gel electrophoresis and paternity testing
Test crossing and pedigree analysis
Polymerase chain reaction (PCR) and gel electrophoresis
3
What do diffusion and osmosis have in common?
They are passive transport mechanisms.
They only happen in living cells.
Net movement of substances is against the conc. gradient.
They require transport proteins in the membrane
4
What is a vestigial structure?
No function, but resembles structures in related organisms
Related structure, but different function
Related function, but different structure
Bird wing vs. bat wing
5
Which of the following is the best definition of cell respiration?
A process used to provide oxygen to the atmosphere
A process needed to use ATP, to produce organic compounds
A controlled release of ATP, from organic compounds in cells
6
What is produced as a result of mitosis?
2 cells each with the same # of X-somes as the original cell
2 cells each with half the # of X-somes of the original cell
4 cells each with the same # of X-somes as the original cell
4 cells each with half the # of X-somes of the original cell
7
Oxygen is produced during photosynthesis. What is the source of this oxygen inside the plant?
Air spaces in the leaf
Carbon dioxide
Water
Glucose
8
A gene codes for a polypeptide that is 120 aa. How many nucleotides are needed in the mRNA?
360
60
120
40
9
Which of the following is a feature of exocytosis but not endocytosis?
Shape changes of a membrane
Vesicle formation
Secretion
Use of ATP
10
The Light Independent reaction happens in the
Thylakoid membrane
Stroma
Cristae
Cytoplasm
11
The inputs of respiration are
Water and oxygen
Carbon dioxide and glucose
Oxygen and glucose
Oxygen and glucose
12
Glycolysis takes place in the
Stroma
Cytoplasm
Thylakoid membrane
Cristae
13
What route is used to export proteins from the cell?
Rough endoplasmic reticulum → lysosome → Golgi apparatus
Golgi apparatus → rough endoplasmic reticulum → membrane
Rough endoplasmic reticulum → Golgi apparatus → membrane
Golgi apparatus → lysosome → rough endoplasmic reticulum
14
The point of respiration is to make
Oxygen
ATP
Glucose
Photon
15
What is the sequence of stages during the cell cycle?
G1 → S → G2 → mitosis → cytokinesis
mitosis → G1 → G2 → cytokinesis → S
G1 → G2 → S → mitosis → cytokinesis
G1 → G2 → mitosis → cytokinesis → S
16
Which of the following structures are present in both plant and animal cells?
Cell wall
Mitochondrion
Chloroplast
17
The percentage of thymine in the DNA of an organism is 30%. What is the percentage of guanine?
40%
30%
20%
70%
18
The attraction between water molecules is called a(n)
hydrogen bond
covalent bond
water bond
ionic bond
19
Which of the following will promote variation in a species?
Fertilization
Natural selection
Meiosis
20
This molecule is the building block for
Lipids
Nucleic Acids
Carbohydrates
Proteins
21
Which of the following is a characteristic of organelles?
They are only found in eukaryotic cells
They are sub-cellular structures
They are all membrane bound
They are only found in prokaryotic cells
22
Photosynthesis takes place in the
Mitochondria
Chloroplast
Nucleus
Cytoplasm
23
What do all human males inherit from their mother?
A Y chromosome
Mitochondrial DNA
An X chromosome
24
What principle is necessary to preserve the sequence of DNA during replication?
Substrates are specific to enzymes.
One gene codes for one polypeptide
The genetic code is universal.
Base pairing is complementary.
25
What are the three shapes of bacteria?
Staph, Strep, Cocci
Ball, chain, round
Cocci, bacilli, spirilla
Square, round, spiral
26
Which of the following genotypes are possible in men for sex-linked colour blindness?
BbXX or bbXX
BB or Bb or bb
BB or bb
B or b
27
The point of photosynthesis is to make
Glucose
Photon
ATP
Oxygen
28
The outputs of photosynthesis are
Oxygen and glucose
Carbon dioxide and glucose
Water and oxygen
Oxygen and glucose
29
What is causes by a virus?
Lymes
Herpes
Athletes Foot
Malaria
30
Which of the following will contribute to the cell theory?
Cells are the smallest units of life.
Living organisms are composed of cells.
All cells come from pre-existing cells by mitosis.
31
What is an analogous structure?
Related structure, but different function
No function, but resembles structures in related organisms
Bird wing vs. whale fin
Related function, but different structure
32
A cell with a diploid number of 12 chromosomes does meiosis. What will be the product?
2 cells each with 6 chromosomes
4 cells each with 6 chromosomes
2 cells each with 12 chromosomes
4 cells each with 12 chromosomes
33
This molecule is a(n)
amino acid
unsaturated fatty acid
saturated fatty acid
nucleic acid
34
What has the greatest effect in determining who is most likely to survive?
Evolution
Natural selection
Hybridization
Meiosis
35
Phospholipids are important constituents of
ribosomes
molecules
cell membranes
enzymes
36
Respiration takes place in the
Nucleus
Chloroplast
Ribosome
Mitochondria
