Biochemistry & Cell Biology
Biochemistry
Cell Biology
Ecology
100
Beginning with one parent cell, how many daughter cells are typically produced from one mitotic division?
A. 1
B. 2
C. 4
D. 8
100
Which two elements are primary components of an MMP molecule which is an enzyme?
A. potassium and iron
B. nitrogen and oxygen
C. aluminum and calcium
D. magnesium and chlorine
100
All the recolonizing species use which of the following processes to acquire food?
A. cellular respiration
B. decomposition
C. photosynthesis
D. predation
100
A population of flat-tailed horned lizards was found in a geographically isolated area. In 2002, the size of the population was about 25,500. In 2004, the size of the population was about 32,800.
Which of the following statements explains the change in the size of the lizard population from 2002 to 2004?
A. The birth rate was greater than the death rate.
B. The emigration rate was greater than the birth rate.
C. The death rate was greater than the immigration rate.
D. The emigration rate was greater than the immigration rate.
200
Some types of organic fertilizers are made from animal products such as bone. These fertilizers are added to soil to provide a source of nutrients for plants.Which of the following elements is expected to be most abundant in organic fertilizers made from animal products?
A. copper
B. nickel
C. phosphorus
D. zinc
200
Sucrase speeds up the breakdown of sucrose into glucose and fructose. Sucrase is an example of which of the following types of molecules?
A. disaccharide
B. enzyme
C. hormone
D. nucleic acid
200
The loss of the producers in an ecosystem would most likely result in which of the following changes?
A. a decrease in the primary consumers and the secondary consumers
B. an increase in the primary consumers and the secondary consumers
C. an increase in the primary consumers and a decrease in the secondary consumers
D. a decrease in the primary consumers and an increase in the secondary consumers
300
Which of the following substances is used by plants as a reactant in photosynthesis?
A. carbon dioxide
B. glucose
C. oxygen
D. pyruvic acid
400
The diagram below shows a plant cell with two parts labeled.
Which of the following roles is performed by parts X and Y working together?
A. moving genetic material
B. converting light to chemical energy
C. providing structural support to the cell
D. synthesizing proteins for cellular functions
500
Which of the following statements describes the role of MMP (an enzyme) in the process of breaking down collagen?
A. They increase the rate of the process.
B. They regenerate ATP for the process.
C. They increase the temperature of the process.
D. They transport reactants needed for the process.