Which of the following statements is NOT

true?
a. All isotopes of an element have the same
number of electrons.
b. All isotopes of an element have the same
number of protons.
c. All isotopes of an element have the same
number of neutrons.
d. We refer to isotopes by mass number.
e. 12C and 13C are isotopes


C

Biology & Microbiology

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Both hydrophilic and charged molecules readily diffuse through the cytoplasmic membrane

Indicate whether the statement is true or false.

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The site of integration for sensory and motor information in humans is the

A. cerebellum. B. thalamus. C. basal nuclei. D. hippocampus. E. cerebral cortex.

Biology & Microbiology

Refer to Figure 10-2. The chromosome complement of item 6 in the life cycle is:


a. twenty.
b. haploid.
c. diploid.
d. forty-eight.
e. four.

Biology & Microbiology

Statements below about Microarray are true EXCEPT

A) Microarray is a technology known as DNA chips. B) Microarray allows for the analysis of global gene expression. C) Microarray allows for the hybridization of RNA or DNA. D) Microarray is used to compare the expression of different genes under different growth conditions. E) Microarray is used to compare global protein modifications in diseased or normal tissues.

Biology & Microbiology