Where does diffusion of oxygen and carbon dioxide take place in the lungs?

a. alveoli and capillaries

b. bronchi and thorax

c. cilia and pleura

d. epiglottis and larynx

Which structure has the least effect on the ability of a virus to infect and replicate in a host cell? envelope capsid DNA ribosome

During which stage or phase of the cell cycle does the cell actively transcribe and translate at the highest rate all the protein products necessary for normal cellular structure and function? Group of answer choices

What is the most common type of skin cancer, which results in the formation of a nodule with a central "crater" that ulcerates?

Which ocean has the greatest average depth

During DNA transposition by the cut-and-paste mechanism, the transposase cuts the two strands of the target site DNA several nucleotides apart.

Will frogs exposed to the hormone estrogen lay more eggs?

Homologous pairs of chromosome line up along the center of the cell

Which area of the world currently houses most people? (approx 4billion) North/South America Africa Asia + Australia/New Zealand Europe

8. Which is a characteristic of exponential growth?

A population contains short plants and tall plants. The short plants are not able to compete with tall plants for sunlight. The tall plants, however, are more susceptible to wind damage.