The two chemicals released during the fight or flight stress response that are associated with the development of heart disease are _____.

A. high-density and low-density cholesterol
B. adrenaline and epinephrine
C. cortisol and epinephrine
D. insulin and leptin


Answer: C. cortisol and epinephrine

Biology & Microbiology

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Recent evidence suggests that deep-sea waters (approximately 5000 meters below the surface) are rich in Thaumarchaeons

A. true B. false

Biology & Microbiology

Answer the following statements true (T) or false (F)

1. Savior siblings born using ARTs have provided needed transplants for ailing siblings. 2. Assisted Reproductive Technologies are typically not covered by health insurance. 3. A lesbian couple may use intrauterine insemination (IUI) to have a child. 4. ESTs are cDNAs made from the mRNAs in a cell type that is abnormal in a particular illness. 5. Whole-genome shotgunning is faster, but it misses some sections that the clone-by-clone method detects.

Biology & Microbiology

Animals that acquire energy efficiently during foraging will increase their fitness by having more energy available for _______________.  

A.  competition B.  defenses C.  respiration D.  reproduction

Biology & Microbiology

Which lineage includes living members that are sharks, skates, and rays?

a. Sarcopterygii b. Actinopterygii c. Petromyzontoidea d. Chondrichthyes

Biology & Microbiology