Type i alveolar cells secrete pulmonary surfactant.

a. True

b. False

Which is true of all animals? Their cells have rigid walls. They are haploid organisms. They reproduce asexually. They are heterotrophs.

A cross between a plant with red flowers (R = dominant) and a plant with white flowers (are = recessive) yielded 47 plants with red flowers and 51 plants with white flowers. What are the genotypes of the parent plants

What is a phospholipid

Which type of sedimentary rock forms from weathered sediment? chemical clastic coal organic

Distinguish between a variable and a control

Which did a large earthquake in Alaska initally cause? which did a large earthquake in Alaska initally cause? A. a volcanic eruption B. flooding C. a landslide D. a tornado

What type of asteroid/meteorite do they believe brought some water to the Earth? a. Stoney Iron b. Iron c. Steel d. Carbonaceous Chondrite

If a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis and cytokinesis? and can u explain because i dont understand

A lab technician runs the results of a simple PCR reaction through a gel electrophoresis to test a sample of imported hamburger meat for the presence of a DNA sequence that is known to be found in kangaroos and not in cows.

If Earth was not titted on its axis, what changes would you expect to see in the seasons?