An animals___is an immediate automatic response to an external stimulus

a) gene

b) reflex

c) tropism

d) response

What substance makes up 75 to 90% of every cell in the human body?

All of the following have only one opening into their digestive system except: a. corals b. jellyfish c. roundworms d. sea anemones

What are some examples of adaptations birds have to be successful in their environnement?

Which are the characteristics of life? (Hint: choose two answers) a. Water b. Reproduction c. Growth and Development d. Oxygen

A space probe returns with a culture of a microorganism found on a distant planet. analysis shows that it is a carbon-based life-form that has dna.

What would happen if your backbone and spinal cord was injured at your waist

Label the steps for protein synthesis in order, beginning with the first step. step onestep twostep threestep four step five Once the protein is made, the gene for a particular trait is expressed.

In humans, the ability to produce the pigment melanin is dominant over the lack of that ability, a condition known as albinism.

A researcher has sequenced a gene that has two alleles. she has a mixture of both alleles and clones them into e. coli using plasmids. she is interested in one particular allele that is correlated with a disease.

List 3 roles of DNA in relation to genetic information: