When molecules are brought into the cell from the exterior, they need to be placed onto one of the following organelles for further routing to other locations. Which of the following organelles serve(s) the purpose of further routing?

a. the nucleus
b. lysosomes
c. mitochondria
d. ribosomes


Ans: b. lysosomes

Biology & Microbiology

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Mendel's observation of the segregation of alleles in gamete formation has its basis in which of the following phases of cell division?

A) prophase I of meiosis B) anaphase II of meiosis C) metaphase II of meiosis D) anaphase I of meiosis E) anaphase of mitosis

Biology & Microbiology

You can use Hardy-Weinberg to calculate allele frequencies, but not genotype frequencies. (Hardy-Weinberg can be used to convert genotype frequency into allele frequency, and vice versa.)

A. true B. false

Biology & Microbiology

IP3 receptors are associated with

A) plasma membranes. B) intracellular membranes. C) mitochondrial membranes. D) ER membranes. E) lysosomes.

Biology & Microbiology

Although Edward Jenner was not the first to use vaccination procedures to prevent disease, he was the first to document such procedures.

a. true b. false

Biology & Microbiology