The vitamin necessary for fibrinogen and prothrombin formation (found in green vegetables and released by intestinal bacteria) is:

Where did the following drugs originate from? 1 - painkiller aspirin 2 - penicillin antibiotic

Which of the following plants is commonly propagated from a scion and rootstock? 1) apple tree 2) blackberry 3) broccoli 4) sugar cane

8. Unlike a lytic infection, a lysogenic infection A. damages the host cell and causes it to burst B. involves a virus and its nucleic acid. C. requires a virus to inserts its nucleic acid into a host cell's DNA. D. involves a host.

List hey the primary materials necessary for and be the materials produced by photosynthesis

What organisms carry out nitrogen fixation?

Choose all the right answers. Invertebrates: a.) have backbones b.) do not have backbones c.) outnumber vertebrates d.) include fish and mammals e.) include insects and mollusks

Ethyl alcohol and carbon dioxide are the end products of A. Krebs cycle B. Electron transport chain C. Alcoholic fermentation

Meiosis allows for the reshuffling of maternally and paternally-inherited alleles between different genes, thus allowing for high genetic diversity in gamete genotypes, and thus offspring produced.

When considering membrane transport, what is a transporter?

A landfill with a plastic or clay liner that prevents the leaking of Easter into soil and groundwater is called? A. A sanitary landfill B. A toxic waste site C. An unsanitary landfill D. A recycling center