Enveloped animal viruses enter cells in a process similar to the bacteriophage infection process

Indicate whether the statement is true or false


FALSE

Biology & Microbiology

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How do scientists use a phylogenetic tree?

a. To name and group species to construct an internationally shared classification system b. To determine an organism’s taxonomic level c. To show evolutionary pathways and relationships between organisms d. To show the amount of time between evolutionary changes in related species

Biology & Microbiology

The drug Taxol, or Paclitaxel, is used to treat patients with a variety of cancers, including breast, lung and ovarian cancers.  The drug works by stabilizing microtubules, and preventing their disassembly.  The goal of the drug is to prevent dividing cells from being able to complete mitosis.  As a result, cancerous cells can no longer divide.  In a cell treated with Taxol, at what stage of mitosis will the cells arrest?

A. Prior to metaphase B. Telophase C. Anaphase D. Cytokinesis

Biology & Microbiology

The reduction in organ blood flow that results from a decrease in mean arterial pressure would be exacerbated by the ________ that occurs as a consequence of the baroreceptor reflex.

A) increased stroke volume B) increased venous return C) decreased compliance of the veins D) increased ventricular contractility E) increased peripheral resistance

Biology & Microbiology

When tumor suppressor genes mutate, their products

What will be an ideal response?

Biology & Microbiology