Which of the following organisms would be grouped closest

together in a cladogram?

a. Crab and lobster

b. Bird and fish

c. Horse and snake

d. Octopus and spider

What gene pair consisting of dominant allele and reccesive allele

What vase in rna pairs with adenine

Briefly describe how the human voice is produced

Which of these items does not protect against invaders in the nonspecific immune response? A. Stomach B. Cilia C. Pus D. Skin

An example of chemical energy

Which class of biomolecule do the molecules in the table belong to? A. proteins B. carbohydrates C. nucleic acids D. lipids

If the dna double helix in humans contains 20% cytosine, what is the percent of guanine, adenine, and thymine?

Describe the similarities and differences between alcoholic fermentation carried out by yeast to make alcoholic beverages and lactate-acid fermentation carried out within the human body.

Which characteristic is not a characteristic of plastic? A. easy to mold B. good conductor of heat C. lightweight and durable D. repels water

An adult male pig's urine contains a chemical substance that accelerates the onset of puberty in female pigs. What is this substance called?