Biology Review EOC Question Preview (ID: 61721)
Review Of Biology EOC.
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Which is a primary function of a vacuole in a cell?
a) enzyme production
b) protein synthesis
c) storage
d) reproduction
What determines the function of a specialized cell?
a) the type of RNA in the cell
b) the number of ribosomes in the cell
c) the number of chromosomes in the cell
d) the active genes in the cell
During which phase of the cell cycle does most cell growth occur?
a) cytokinesis
b) interphase
c) prophase
d) mitosis
In nature, which type of behavior causes animals to produce aggressive displays and sounds?
a) imprinting
b) territoriality
c) conditioning
d) habituation
What will most likely occur if the population of the world continues to increase at predicted rates?
a) There will be an increase in biodiversity as a result of improvements in technology.
b) There will be more rapid depletion of natural resources.
c) The human race will rapidly become extinct
d) All human diseases will be eliminated.
What will most likely happen if a nonnative species is introduced into a stable ecosystem?
a) The native species will change their diet, and the ecosystem will remain stable.
b) The native species will move to another area, and the ecosystem will remain stable
c) The native species will have to compete for resources with the nonnative species, and the ecosystem will become unbalanced.
d) The native species will share their food with the introduced species, and the ecosystem will become unbalanced.
Why must DNA replication have to occur before a cell can divide by mitosis?
a) to maintain the same number of chromosomes in the daughter cells as in the parent cell
b) to cause one of the cells produced to have double the number of chromosomes as the parent cell
c) to allow crossing over to occur in each of the cells produced
d) to cause all of the cells produced to have half the number of chromosomes as the parent cell
A section of DNA has these bases: (TAG CAG TAC) Which mRNA sequence is produced from this DNA section?
a) ATC GTC ATG
b) AUC GUC AUG
c) AUG CUG AUC
d) UTC GTC UTG
Which process can occur in both mitosis and meiosis?
a) fertilization
b) independent assortment
c) gene mutation
d) crossing over
How do some chemicals increase the risk of a person getting cancer?
a) by causing cell mutations
b) by causing a deficiency of vitamin D
c) by causing an increase of toxins in the skin
d) by causing a decrease in the immune response
What is the difference between the DNA of a dog and the DNA of a fly?
a) the type of sugar building blocks
b) the sequence of nucleotides
c) the strength of hydrogen bonds
d) the strength of covalent bonds
Which would be a desirable trait scientists may want to create in a transgenic plant?
a) the ability to resist insects
b) the ability to grow less fruit
c) the ability to change color in the winter
d) the ability to use a lot of water
Which substance do biochemists often search for in fossils to help better understand the evolutionary relationships of the organism that formed the fossil?
a) ATP
b) DNA
c) iron
d) oxygen
Scientists believe that the polar bear in Alaska and the brown bear in Russia evolved from a common ancestor. Which would be responsible for this evolutionary change?
a) artificial selection
b) asexual reproduction
c) sexual competition
d) geographic isolation
What is the basis for the earliest classification system of organisms?
a) physical characteristics
b) differences in habitat
c) evolutionary relationships
d) reproductive patterns
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