DNA has ___ different bases that make up the letters of it's code

A) 3

B) 2

C) 4

With the sun in the center create a functional food web combining at least 4 separate food chains. Identify the trophic feeding levels of each organism in the chains you create

The segregation that occurs during meiosis results in what

Which of the following are reactants in the process of cellular respiration?

When two plants belonging to the same genus but different species are crossed, the F1 hybrid is more viable and has more ornate flowers. Unfortunately, this hybrid is sterile and can only be propagated by vegetative cuttings.

If there is no lactose present, how does bacteria respond? The gene for beta-galactosidase turns on. The gene for beta-galactosidase turns off. Lactose is produced. Beta-galactosidase production increases.

Why can eukaryotes carry out more specialized functions than prokaryotes can? A) eukaryotes have more organelles B) Prokaryotes have more organelles C) eukaryotes are bigger D) prokaryotes are bigger

How might mendel's conclusions have differed if he had studied two traits determined by alleles carried on the same chromosome?

A healthy immune system depends on an adequate supply of proteins that bind to and neutralize harmful invaders. what are these proteins known as?

Which process happens during interphase? g3 meiosis prophase s

How are radioactive probes useful in DNA fingerprinting