Liv Env B Final Exam Questions With Correct Answers
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Liv env
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Liv Env
Liv Env B Final Exam Questions With
Correct Answers
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 - answermeiosis and fertilization
The structure that makes nutrients most directly available to...
Liv Env B Final Exam Questions With
Correct Answers
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 - answer✔meiosis and fertilization
The structure that makes nutrients most directly available to a human embryo is the placenta -
answer✔placenta
Regulation of sexual reproductive cycles of human males is related most directly to the presence
of the hormone - answer✔testosterone
Heavy cigarette smoking and the use of alcohol throughout pregnancy usually increase the
likelihood of a - answer✔baby being born with medical problems
After the union of sperm and egg, the single-celled zygote develops into a multicellular organism
with specialized cells by the process of - answer✔mitosis and differentiation
Meiosis and fertilization are important processes because they may most immediately result in -
answer✔genetic variations
The reproduction system is necessary for - answer✔a species survival
Changes in the genetic code of a human can be transmitted to offspring if they occur in -
answer✔gametes
DNA serves as a template for the synthesis of - answer✔messenger RNA
The instructions for the traits of an organism are coded in the arrangement of - answer✔bases
in DNA in the nucleus
Which event takes place first during DNA replication? - answer✔The DNA molecule "unzips"
along weak hydrogen bonds.
A medical test indicates that a patient has a defective protein. This condition is most likely due to
a change in the directions coded in the - answer✔sequence of subunits in DNA
A sequence of three nitrogenous bases in a messenger-RNA molecule is known as a -
answer✔codon
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