BIO 100 EXAM 3 UPDATED QUESTIONS AND ANSWERS
Binary fission in prokaryotes involves
a) Disintegration of the nuclear membrane
b) Formation of a cell plate
c) Formation of a spindle apparatus
d) Replication of DNA
e) None of the above - CORRECT ANSWER✅✅✅D
A particular cell has half as much DNA as a cell in Prometaphase. This cell is most likely in
a) G2 of interphase
b) Prophase
c) Metaphase
d) Anaphase
e) G1 of interphase - CORRECT ANSWER✅✅✅E
If there are 20 centromeres in a cell, how many chromosomes will line up on the metaphase plate
during mitosis?
a) 10
b) 20
c) 40
d) 60
e) 80 - CORRECT ANSWER✅✅✅B
Movement of the chromosomes during anaphase would be most effective by a drug that
a) Reduced cyclin concentrations
b) Increased cyclin concentrations
c) Prevented elongation of microtubules
d) Prevented shortening of microtubules
, e) Prevented attachment of the microtubules to the kinetochore - CORRECT ANSWER✅✅✅D
Which of the following is the difference between Mitosis in plants and animals?
a) only plant cells divide with their cytoplasm during cytokinesis
b) only animal cells require kinetochore tubules
c) plant cells maintain intact nuclear membranes during mitosis
d) sister chromatids only form in animal cells about to enter mitosis
e) plant cells creat a cell plate that divided the two newly formed nuclei - CORRECT ANSWER✅✅✅E
Which of the following is necessary for cancerous tumor growth?
a) density-dependent inhibition
b) growth factor depletion
c) nutrient limitation
d) anchorage dependence
e) transformation - CORRECT ANSWER✅✅✅E
Which features of cell division in some cellular eukaryotes (e.g. dinoflagellates and yeasts) differentiates
this process from cell division in most other eukaryotic organisms?
a) attachment of microtubules to the kinetochore
b) multiple origins of replication
c) intact nuclear envelope during cell division
d) condensing of chromosomes
e) formation of genetically similar daughter cells - CORRECT ANSWER✅✅✅C
Which of the following best compares the process of Mitosis and Meiosis?
a) mitosis involves one division cycle and results in diploid daughter cells, while meiosis consists of two
division cycles and results in haploid gametes
b) mitosis involves one division cycle and results in haploid gametes while meiosis consists of two
division cycles and results in diploid daughter cells
Binary fission in prokaryotes involves
a) Disintegration of the nuclear membrane
b) Formation of a cell plate
c) Formation of a spindle apparatus
d) Replication of DNA
e) None of the above - CORRECT ANSWER✅✅✅D
A particular cell has half as much DNA as a cell in Prometaphase. This cell is most likely in
a) G2 of interphase
b) Prophase
c) Metaphase
d) Anaphase
e) G1 of interphase - CORRECT ANSWER✅✅✅E
If there are 20 centromeres in a cell, how many chromosomes will line up on the metaphase plate
during mitosis?
a) 10
b) 20
c) 40
d) 60
e) 80 - CORRECT ANSWER✅✅✅B
Movement of the chromosomes during anaphase would be most effective by a drug that
a) Reduced cyclin concentrations
b) Increased cyclin concentrations
c) Prevented elongation of microtubules
d) Prevented shortening of microtubules
, e) Prevented attachment of the microtubules to the kinetochore - CORRECT ANSWER✅✅✅D
Which of the following is the difference between Mitosis in plants and animals?
a) only plant cells divide with their cytoplasm during cytokinesis
b) only animal cells require kinetochore tubules
c) plant cells maintain intact nuclear membranes during mitosis
d) sister chromatids only form in animal cells about to enter mitosis
e) plant cells creat a cell plate that divided the two newly formed nuclei - CORRECT ANSWER✅✅✅E
Which of the following is necessary for cancerous tumor growth?
a) density-dependent inhibition
b) growth factor depletion
c) nutrient limitation
d) anchorage dependence
e) transformation - CORRECT ANSWER✅✅✅E
Which features of cell division in some cellular eukaryotes (e.g. dinoflagellates and yeasts) differentiates
this process from cell division in most other eukaryotic organisms?
a) attachment of microtubules to the kinetochore
b) multiple origins of replication
c) intact nuclear envelope during cell division
d) condensing of chromosomes
e) formation of genetically similar daughter cells - CORRECT ANSWER✅✅✅C
Which of the following best compares the process of Mitosis and Meiosis?
a) mitosis involves one division cycle and results in diploid daughter cells, while meiosis consists of two
division cycles and results in haploid gametes
b) mitosis involves one division cycle and results in haploid gametes while meiosis consists of two
division cycles and results in diploid daughter cells
