Brain size and higher orders of intelligence are thought to be distinguishing features of humans (Homo sapiens).  As we learned in class, larger, more intelligent brains can evolve in other organisms too, like guppies. Why then aren’t more organisms “intelligent”?

What evidence in living cells today suggests that RNA was the first self-replicating “information” molecule?

Which of the following best describes the difference between group selection and natural selection at the individual level?

One of the first commercially available genetically engineered drugs was Human Growth Hormone (HGH), which was used to treat human growth hormone deficiency. To produce HGH, genetic engineers modified the genome of the bacteria E. coli to express the HGH gene. To do this, scientists first had to create a DNA vector with a bacterial regulatory sequence and human coding sequence (insulin gene). This DNA vector, containing two genes from different organisms, is known as…

Panspermia and abiogenesis are two different hypotheses for the origin of life on earth. Panspermia posits that…

Mutation breeding was a common tool used by plant breeders to develop new varieties of crops. The use of mutation breeding has since been replaced by new genetic engineering tools like transformation and CRISPR. Which of the following is NOT an advantage these new tools have over mutation breeding?

All of the following are hominins EXCEPT: Multiple answers possible   Baboons Gorillas Humans Neanderthals Australopithecus

In _____, an individual shifts his or her body into a state of low arousal by progressively loosening different parts of the body.

What is another word for ‘deficient’?

The job of the immune system is to protect our bodies against harmful germs.