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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
are identical in appearance and behavior
B
contain identical genes
C
contain dangerous mutations
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
reproductive and circulatory
B
digestive and circulatory
C
immune and muscular
D
excretory and digestive
3) which statements best describe the relationship between the terms chromosomes, genes, and nucei?
A
chromosomes are found in nuclei. nuclei are found in genes
B
genes are found on chromosomes. chromosomes are found in nuclei
C
genes are found in nuclei. nuclei are found in chromosomes
D
chromosomes are found on genes. genes are found in nucei
4) In a cell, information that controls the production of proteins must pass from the nucleus to the
A
ribosomes
B
mitochondria
C
cell membrane
D
chloroplast
5) in order for a new species to develop, there must be a change in the
A
genetic make up of a population
B
migrations patterns within a population
C
temperature of the environment
D
rate of succession in the environment
6) which statement is not part of the concept of natural selection?
A
individuals that possess the most favorable variations will have the best chance of reproducting.
B
genes of an individual adapt to a changing environment.
C
more individuals are produced than can survive
D
variation occurs among individuals in a population
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
differentiation and aging
B
meiosis and fertilization
C
homeostasis and dynamic equilibrium
D
mitosis and mutations
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
allow for mixing of maternal blood with fetal blood
D
permit the passage of nutrients and oxygen from the mother to the fetus.
9) which process usually uses carbon dioxide
A
cellular transport
B
autotrophic nutrition
C
active transport
D
asexual reproduction
10) if humans remove carnivorous predators such as wolves and coyotes from an ecosystem, what will probably be the first observable result?
A
certain herbivores will exceed the carrying capacity
B
certain plant populations will increase
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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