TAMU BIO 112 FINAL EXAM
REVIEW QUESTIONS AND
CORRECT ANSWERS 2025/2026
GRADED A+ .
,1. Lysosomes are organelles that are filled with hydrolytic enzymes. From among these choices, you would expect
that lysosomes would play the most prominent and important role in
A. Dinoflagellates
B. Tubulinids
C. Chlorophytes
D. Diatoms
E. Spirochetes CORRECT ANSWER B
2. Which of the following statements is correct regarding genomes of prokary- otes?
A. Some kinds of prokaryotic chromosomes are called plasmids.
B. Prokaryotes are diploid organisms, except for gametes.
C. Prokaryotic cells may have multiple chromosomes.
D. All prokaryotic genomic DNA is circular.
E. The amount of dense and compact DNA in a prokaryote nucleoid is almost equal to a typical eukaryotic cell's
DNA. CORRECT ANSWER D.
3. Among the prokaryotes, motility
A. is produced only by the bacterial flagella
B. May involve actin microfilaments and myosin motor proteins
C. is negative taxis if the cell avoids a stimulus.
D. is rarely found and of little adaptive importance.
E. ALL of the above. CORRECT ANSWER C.
4. A single bacterial cell, isolated from all other bacteria, can produce descen- dant cells with diverse phenotypes
through the process of
A. transduction
B. transformation
C. crossing over
D. DNA mutation
E. sexual recombination CORRECT ANSWER D.
5. Walking on the beach along the California coastline, you discover a large specimen of kelp (Laminaria)
washed up on the shore. Which of the following would NOT be true about this example of brown algae?
A. the blades are edible
B. the blades of the thallus may bear sporangia
C. It is usually called a seaweed
D. Its sexual life cycle exhibits alternation of generations
E. the specimen is a gametophyte CORRECT ANSWER E.
, 6. One phylum of plants has vascular tissue but does not have megaphylls and never produces pollen or seeds.
In the ancient past, some species grew
REVIEW QUESTIONS AND
CORRECT ANSWERS 2025/2026
GRADED A+ .
,1. Lysosomes are organelles that are filled with hydrolytic enzymes. From among these choices, you would expect
that lysosomes would play the most prominent and important role in
A. Dinoflagellates
B. Tubulinids
C. Chlorophytes
D. Diatoms
E. Spirochetes CORRECT ANSWER B
2. Which of the following statements is correct regarding genomes of prokary- otes?
A. Some kinds of prokaryotic chromosomes are called plasmids.
B. Prokaryotes are diploid organisms, except for gametes.
C. Prokaryotic cells may have multiple chromosomes.
D. All prokaryotic genomic DNA is circular.
E. The amount of dense and compact DNA in a prokaryote nucleoid is almost equal to a typical eukaryotic cell's
DNA. CORRECT ANSWER D.
3. Among the prokaryotes, motility
A. is produced only by the bacterial flagella
B. May involve actin microfilaments and myosin motor proteins
C. is negative taxis if the cell avoids a stimulus.
D. is rarely found and of little adaptive importance.
E. ALL of the above. CORRECT ANSWER C.
4. A single bacterial cell, isolated from all other bacteria, can produce descen- dant cells with diverse phenotypes
through the process of
A. transduction
B. transformation
C. crossing over
D. DNA mutation
E. sexual recombination CORRECT ANSWER D.
5. Walking on the beach along the California coastline, you discover a large specimen of kelp (Laminaria)
washed up on the shore. Which of the following would NOT be true about this example of brown algae?
A. the blades are edible
B. the blades of the thallus may bear sporangia
C. It is usually called a seaweed
D. Its sexual life cycle exhibits alternation of generations
E. the specimen is a gametophyte CORRECT ANSWER E.
, 6. One phylum of plants has vascular tissue but does not have megaphylls and never produces pollen or seeds.
In the ancient past, some species grew
