Contemporary Issues in Bio: Exam Pack Questions | 100% Correct Answers | UpToDate Doc | Already Graded A+

fleas Correct Answer: spread the Plague Malaria Correct Answer: caused by a protozoan that infects humans and destroys red blood cells chloroquine Correct Answer: medication to treat or prevent malaria yes Correct Answer: have mosquitoes become resistant to pyrethroids summer Correct Answ...

chromosomal abnormalities Correct Answer: -caused by problems with meiosis -gametes have abnormal numbers of chromosomes -offspring inherit extra chromosome or a missing chromosome chromosomal Correct Answer: down syndrome is an example of a __________ gene disorder amniocentesis Correct Answ...

What are the steps of the scientific method? Correct Answer: Observation Hypothesis tests of hypothesis Results What is a two group experimental design? Correct Answer: A control Group (given a placebo) An experimental group (given a drug) Peer review Process Correct Answer: Scientists ...

how long have homo-sapiens been on earth Correct Answer: thought to be 200,000 years, starting in ethiopia mutation Correct Answer: change in nucleotide in the base of DNA; not all harmful; passed down in generations of that descent when did humans establish themselves worldwide Correct Answe...

Until malaria and AIDS, what was the most devastating plague? Correct Answer: The Black Death How did 17th century doctors treat the plague? Correct Answer: They inspected patients with pointers and would use spice-filled pomanders to fend it off. What feeds off on blood of mammals such as rat...

Scientific Method Correct Answer: 1. Make Observation 2. Test the Hypothesis 3. Results 4. Submission of paper to scientific journal 5. Peer Review Experimental Group Correct Answer: The variable being tested is present Control Group Correct Answer: The variable being tests is absent (place...

pseudoscience Correct Answer: a system of ideas or misconceptions erroneously regarded as science testes Correct Answer: site of sperm & testosterone production, contain seminiferous tubules seminiferous tubules Correct Answer: coiled tubes in the testes epididymis Correct Answer: site of s...

-if it starts with an "H" Correct Answer: virus -if it doesn't start with an "H" (HIV, Hep B, Hep C, HPV, Herpes) Correct Answer: bacteria -chlamydia is bacteria (t/f) Correct Answer: true -herpes can be cured by antibiotics (t/f) Correct Answer: false -syphillis is a virus (t/f) Corre...

Chromosomal gene disorders Correct Answer: Gametes have abnormal chromosome numbers and mutation -offspring inherit extra chromosome or are missing one -caused by problems with meiosis Down syndrome is an example of a _________ gene disorder Correct Answer: chromosomal Single gene disorders C...

L1. Your brain has how many lobes? Correct Answer: 4 L1. How many Americans age 5 and older are on antidepressants? Correct Answer: 27 million (9%) L1. What is the most commonly take type of prescription drug? Correct Answer: Antidepressants L1. What percentage of Americans have ADHD? Correct...

Natural Selection ☑: environment determines which organisms will survive and reproduce Fruit Flies and Humans ☑: 15,000 similar genes - cellular/molecular levels our genetic code is indistinguishable Hunter-Gatherers (Homosapiens) ☑: lacked agricultural technology - lived in small groups i...

18: HIV is most often spread by unprotected anal or vaginal sex. ☑: True 18: The initial (first) stage of an HIV infection is called Acquired Immunodeficiency Syndrome (AIDS) ☑: False 18: The WHO African region is the area of the world most affected by HIV. ☑: True 18: An HIV infection gr...

What is nitrogenous waste synonymous with? ☑: ammonia What happens when protein is broken down in the cells of the body? ☑: nitrogenous waste (ammonia) is produced and must be eliminated Where is urea removed from the blood? ☑: by the nephrons in the kidneys What are the steps for the forma...

Plague ☑: Broke out in the 1300s and killed 75 million people by the early 19th century. Fleas were spreading the plague. Modern antibiotics are effective against plague, but if an infected person is to treated promptly, the disease is likely to cause illness or death. Fleas spread plague by?...