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Crocco's Stuff
Test Description: Mixed regents questions
Instructions: Answer all questions to get your test result.
1) Cloning an individual usually produces organims that
A
contain dangerous mutations
B
are identical in appearance and behavior
C
contain identical genes
D
produce enzymes different from the parent
2) which two systems are most directly involved in providing molecules needed for the synthesis of fats in humans?
A
digestive and circulatory
B
immune and muscular
C
reproductive and circulatory
D
excretory and digestive
3) which statements best describe the relationship between the terms chromosomes, genes, and nucei?
A
genes are found in nuclei. nuclei are found in chromosomes
B
chromosomes are found on genes. genes are found in nucei
C
genes are found on chromosomes. chromosomes are found in nuclei
D
chromosomes are found in nuclei. nuclei are found in genes
4) In a cell, information that controls the production of proteins must pass from the nucleus to the
A
chloroplast
B
mitochondria
C
cell membrane
D
ribosomes
5) in order for a new species to develop, there must be a change in the
A
migrations patterns within a population
B
temperature of the environment
C
genetic make up of a population
D
rate of succession in the environment
6) which statement is not part of the concept of natural selection?
A
more individuals are produced than can survive
B
variation occurs among individuals in a population
C
genes of an individual adapt to a changing environment.
D
individuals that possess the most favorable variations will have the best chance of reproducting.
7) in sexually reproducing species, the number of chromosomes in each body cell remains the same from one generation to the next as a direct result of
A
meiosis and fertilization
B
mitosis and mutations
C
differentiation and aging
D
homeostasis and dynamic equilibrium
8) one function of the placenta in a human is to
A
surround the embryo and protect it from shock
B
act as a heart for the fetus, pumping blood until the fetus is born
C
permit the passage of nutrients and oxygen from the mother to the fetus.
D
allow for mixing of maternal blood with fetal blood
9) which process usually uses carbon dioxide
A
active transport
B
autotrophic nutrition
C
asexual reproduction
D
cellular transport
10) if humans remove carnivorous predators such as wolves and coyotes from an ecosystem, what will probably be the first observable result?
A
certain plant populations will increase
B
certain herbivores will exceed the carrying capacity
C
the natural prey will die off
D
the decomposers will fill the predator niche.
*select an answer for all questions
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