The use of controls and statistical testing are two aspects of experimental design that help to ensure ________.
A) psychosomatic effects
B) treatment groups
C) an adequate sample size
D) objective and reliable results
E) experimental bias
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Question 2) What is all of the DNA in a set of 23 chromosomes referred to as?
A) The karyotype
B) The genome
C) A chromatid
D) A centromere
E) The phenotype
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Question 3) Most neurons have multiple dendrites.
Indicate whether the statement is true or false
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Question 4) Transduction begins with an action potential in a sensory receptor.
Indicate whether the statement is true or false
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Question 5) Why does an adult not have as many bones as a child?
A) Osteoclast activity overcomes osteoblast activity with age.
B) Bones are reabsorbed with age.
C) Some separate bones gradually fuse with age.
D) Osteoporosis leads to bone loss with age.
E) Many bones are replaced by cartilage with age.
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Question 6) A ________ contains the necessary information for the production of a molecule of RNA.
A) gene
B) genetic code
C) nucleotide
D) genome
E) codon
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Question 7) The nervous system employs exclusively electrical means to send messages, whereas the endocrine system communicates by means of chemical messengers.
Indicate whether the statement is true or false
(
Question 8) An educated speculation or a possible answer to a question is called a(n) ________.
A) hypothesis
B) fact
C) scientific method
D) law
E) theory
(
Question 9) Any bony prominence is called a(n) ________.
A) head B) epicondyle C) fossa D) process E) tubercle
(
Question 10) What is the complementary DNA base sequence to the DNA strand TGCCAT?
A) ACCGTA B) TGCCAT C) ACGGTA D) ACGGUA E) UGCCAU
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