AnswersGA-GSE Biology AApplications of DNA Technology

Applications of DNA Technology — Cumulative exam Answers

4 verified answers
21
Free Preview

Which statement best distinguishes plant cells and animal cells?

A
There are more ribosomes in animal cells than in plant cells.
B
Plant cells have more lysosomes than animal cells have.
C
Plant cells have large vacuoles, and animal cells do not.
D
The position of the nucleus in the cells is different in plants and animals.
22
Free Preview

What happens to excess carbohydrates in animals?

A
They are stored as fat.
B
They are stored as protein.
C
They are stored in nucleic acids.
D
They are stored as sugar.
23

Which characteristic of life best describes the life cycle of a frog?

A
having cells
B
using energy
C
responding to the environment
D
growing and developing
24

Which of the following could be a nucleotide of DNA?

A
deoxyribose + phosphate group + thymine
B
deoxyribose + phosphate group + uracil
C
ribose + phosphate group + thymine
D
ribose + phosphate group + uracil
25

A student constructs a Venn diagram to compare the organelles in plant and animal cells.Venn Diagram of Plant and Animal CellsWhich organelle should be listed under “Animal Only” in the diagram?

Question illustration
A
nucleus
B
centriole
C
ribosome
D
cell wall
26

Fiona wants to use the scientific method to answer the question “Do oxygen levels in the air affect rates of photosynthesis?” She reads about photosynthesis in her biology book and is ready to carry out the next step. What should she do next?

A
perform an experiment
B
design a procedure
C
make observations
D
form a hypothesis
27

Which statement best compares transcription and translation?

A
tRNA pairs with complementary mRNA in both transcription and translation.
B
A peptide bond is created between amino acids in both transcription and translation.
C
DNA is transcribed into a complementary strand of mRNA in translation but not transcription.
D
A chain of amino acids linked by peptide bonds is formed in translation but not transcription.
28

Mitosis is important because it allows

A
new cells to replace old damaged cells.
B
new cells to repair old damaged cells.
C
old cells to self-repair when they become damaged.
D
existing cells to take over the function of damaged cells.
29

Which is an example of a lipid?

A
cholesterol
B
glycerol
C
glycogen
D
proteins
30

Which statement describes the F1 generation of a Mendelian monohybrid cross between two true-breeding parents?

A
Only the dominant trait is visible in the F1 generation.
B
Only the recessive trait is visible in the F1 generation.
C
Neither the dominant nor recessive trait is visible in the F1 generation.
D
Both the dominant and recessive traits are visible in the F1 generation.
31

Red-green color blindness is an X-linked recessive disorder that is passed through generations and can be traced by using a pedigree. Which individuals in the pedigree are identified and labeled carriers for red-green color blindness?

Question illustration
A
Lisa and Monica
B
Sam, Tim, Bella, and Joshua
C
Ben, Jenny, Mike, Carol, Katie, and Chris
D
Ben and Lisa
32

Pea plants can have yellow seeds or green seeds. Which conclusion about the meaning of Y is correct if the allele combination Yy is for yellow seeds?

A
yellow and dominant
B
green and recessive
C
yellow and recessive
D
green and dominant
33

Mitosis is divided into phases.Which phase of mitosis is shown in the diagram?

Question illustration
A
anaphase
B
metaphase
C
telophase
D
prophase
34

In which process does RNA polymerase help synthesize mRNA from a DNA template?

A
transcription
B
translation
C
translocation
D
transportation
35

Which best describes the relationship between DNA, genes, and chromosomes?

A
DNA are segments of genes; the genes form tight coils called chromosomes.
B
Genes are segments of DNA; the DNA forms tight coils called chromosomes.
C
Chromosomes are segments of DNA; the DNA forms tight coils called genes.
D
Genes are segments of chromosomes; the chromosomes form tight coils called DNA.
36

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. A pansy that is homozygous for purple flowers (PP) is crossed with a pansy that is homozygous for pink flowers (pp). Which genotypes will be included for the offspring in the Punnett square for this cross?

Question illustration
A
PP, Pp, and pp
B
PP and pp
C
PP and Pp
D
Pp only
37

Which term refers to a solution with a higher solute concentration outside the cell than inside the cell?

A
hypertonic
B
hypotonic
C
equitonic
D
isotonic
38

Drinking too much water during exercise can cause a condition in which the concentration of sodium in the blood is lower than normal. What immediate response would the blood cells have in this condition?

A
Cells swell as water moves into them.
B
Cells swell as water moves out of them.
C
Cells shrivel as water moves out of them.
D
Cells shrivel as water moves into them.
39

Which is the most efficient way to avoid DNA mutations from UV radiation?

A
Avoid getting X-rays at the doctor’s office.
B
Avoid protective shields during X-rays.
C
Avoid UV radiation by wearing sunscreen.
D
Avoid UV radiation by using a tanning bed.
40

Which compound is produced during carbon fixation?

A
PGA
B
G3P
C
RuBP
D
C6H12O6

Did you find these answers helpful?

More from this Course

Quiz
47 verified answers

Cumulative Exam

Quiz
50 verified answers

Cumulative Exam

Quiz
10 verified answers

Applications of DNA Technology