Bio Module 1 & 2 Homework

Characteristics of living things present in viruses

Ability to change over time, contain genetic material

Which of the following describes the physical characteristics of the influenza virus?

An RNA virus enclosed in a spherical capsid surrounded by an envelope with spikes

By recognizing the mechanisms through which organisms change over time, or evolve, we gain insight into which of the following?

How to design better medications such as antiviral agents and vaccines, Resistance to insecticides and antibiotics, How the organization of life on our planet reflects evolutionary history

Select all of the structural components of a virus.

Protein capsid, Genetic material

which of the following statement(s) are true concerning how flu vaccines are produced.

Vaccines contain either inactivated or weakened viruses, Vaccines include additives to preserve the vaccine's contents before use, People with egg allergies should pay attention to how the flu vaccine is made

Which of the following statements accurately describes how viruses reproduce?

Viruses are typically a piece of genetic material encased in a protein capsule. They are only capable of reproducing once inside a living host cell.

Characteristics of living things not present in viruses

capable of processing energy, maintain internal environment, respond to stimuli, contain cell machinery to replicate

Which of the following statements are true concerning how an influenza virus identifies and infects its target cell?

capsid proteins attach to host cell, Upon identification of a specific protein molecule on the surface of the host cell, the virus can integrate into the host cell

Evolution is described as the change in heritable traits of a(n) __________ over a period of time.

population