KH
Kailee Henry
Answers (8)
KH
Answered
When is a cell in metaphase?
A) The chromosomes are visible as threadlike structures.
B) The nuclear envelope is clearly visible.
C) The chromosomes are aligned at the midplane of the cell.
D) The chromosomes are separated into distinct groups at opposite cell poles.
E) Cytokinesis is occurring.
A) The chromosomes are visible as threadlike structures.
B) The nuclear envelope is clearly visible.
C) The chromosomes are aligned at the midplane of the cell.
D) The chromosomes are separated into distinct groups at opposite cell poles.
E) Cytokinesis is occurring.
On Jul 26, 2024
C
KH
Answered
All of the following are effects of calcitonin EXCEPT ________.
A) increases blood calcium levels
B) stimulates osteoblasts to store calcium
C) inhibits osteoclasts
D) decreases blood calcium levels
A) increases blood calcium levels
B) stimulates osteoblasts to store calcium
C) inhibits osteoclasts
D) decreases blood calcium levels
On Jul 21, 2024
A
KH
Answered
Which of the following is not an assumption of the Hardy-Weinberg theorem?
A) The population is infinitely large.
B) There is no selection in the population.
C) There is no immigration, but individuals can emigrate out of a population.
D) There are no mutations.
A) The population is infinitely large.
B) There is no selection in the population.
C) There is no immigration, but individuals can emigrate out of a population.
D) There are no mutations.
On Jun 25, 2024
C
KH
Answered
Explain the significance of apomixis in plant propagation. Cite two examples of commercial significance.
On Jun 21, 2024
In apomixis, embryos are produced in seeds without the fusion of gametes. Such seeds can be dispersed via the methods used in asexual propagation, thus making possible the propagation and survival of polyploid plants. Examples are citrus trees, mango, blackberries, garlic, and certain grasses.
KH
Answered
Conduction deafness might be caused by damage to ________.
A) cochlea
B) tympanic membrane
C) cochlear nerve
D) basilar membrane
A) cochlea
B) tympanic membrane
C) cochlear nerve
D) basilar membrane
On Jun 17, 2024
B
KH
Answered
Chemical digestion
A) Movement of molecules from digestive tract into blood
B) Chewing of food
C) Muscular contractions that propel food
D) Removal of undigested wastes from body
E) Breakdown of organic molecules with digestive enzymes
A) Movement of molecules from digestive tract into blood
B) Chewing of food
C) Muscular contractions that propel food
D) Removal of undigested wastes from body
E) Breakdown of organic molecules with digestive enzymes
On May 26, 2024
E
KH
Answered
Interferon
A) directly attacks viruses.
B) protects cells that have been invaded by viruses.
C) increases vascular permeability.
D) is not produced by most cells.
E) is a protein that interferes with virus production and infection.
A) directly attacks viruses.
B) protects cells that have been invaded by viruses.
C) increases vascular permeability.
D) is not produced by most cells.
E) is a protein that interferes with virus production and infection.
On May 22, 2024
E
KH
Answered
Fimbriae are only visible with the use of an electron microscope.
On May 18, 2024
True