Which is not a characteristic of ribosomes?

A They make proteins from amino acids.

B They are made of DNA.

C They interpret instructions in genes.

D They float freely in the cell.

When you add calcium chloride to water in a Ziploc baggie, the baggie gets hot and explodes; this means that the reaction is exothermic True or False?

The major product of photosynthesis that is exported from the leaves to the rest of the plant is

The hypothesis that the origin of human bipedalism was linked to a shift from life in the trees to life on the ground in the grasslands of Africa Group of answer choices1. has been rejected recently subsequent to new fossil evidence. 2.

Which of the following can lead to coral bleaching? a. long-term temperature variations b. increased solar radiation c. freshwater dilution d. all of the above

After undergoing retropubic prostatectomy, a client returns to his room. the client is on nothing-by-mouth status and has an i. v. infusing in his right forearm at a rate of 100 ml/hour.

Coral reefs are built by some Cnidarias? True or false

Which represents polygenic inheritance of traits? a>a cow that has red and white dominant coloring b>a mix of blue, green, and brown eye colors c>a plant that has pink flowers produced from a plant that has red flowers and a plant that has white

You're conducting a science experiment crossing two different purebred mouse strains, which each contain a a different variation of the same gene, for two generation.

What is the purpose of PCR? Specifically, what does PCR do? a. Amplifies DNA through an exponential process utilizing a thermostable polymerase, site specific primers, and a temperature cycle. b.

Scientific method example