This topic contains a solution. Click here to go to the answer

Author Question: HIV is caused by A) a viral infection. B) a bacterial infection. C) exposure to a ... (Read 251 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
HIV is caused by
 
  A) a viral infection.
  B) a bacterial infection.
  C) exposure to a cancer-causing agent.
  D) homosexuality.

Question 2

Which of the following most accurately explains the lack of a common cold vaccine?
 
  A) Every time a vaccine is developed, the common cold virus mutates.
  B) The common cold is a virus, and vaccines only work with bacteria.
  C) The common cold is caused by a great number of different viruses.
  D) Medical scientists do not find colds serious enough for vaccination.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

A

Answer to Question 2

C




appyboo

  • Member
  • Posts: 527
Reply 2 on: Jun 21, 2018
:D TYSM


vickybb89

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

For a complete list of videos, visit our video library