An atom of nitrogen has seven protons in its nucleus. how many electrons does it have

A gram-negative coccobacillus produces small gray colonies surrounded by a zone of hemolysis on potato-blood-glycerol agar. the organism also grew on chocolate agar, but not on sheep blood agar. this is most likely to be which organism

Blood born pathogens refer to in body fluids

What is the cycling of nutrients between the ground and living organisms? A) When nutrients from the ground are taken by living organism and returned when those organisms die and decompose. B) When fertilizer is added to the soil by humans.

Which of the following would you find in a Sanger sequencing reaction but not in a polymerase chain reaction? 1. DNA polymerase 2. ddNTPs 3. DNA template 4. DNA primer 5. dNTPs

Which of these is a living prokaryotic cell? A: virus B:bacteria C:amoeba D:parameclum

Explain the role of enzymes and how they affect the chemical reactions of living things

Many arthropods young do not look like adults and do not eat the same food as adults. how would this be an advantage in an environment where food is scarce

Mammals first appeared during the Cenozoic Era. true or false

Which organism is likely to live on the stump of a dead tree in a cool, moist, shady forest? A) beaver B) cactus C) mushroom D) rabbit

Independent assortment of chromosomes is a result of A) the random and independent way in which each pair of homologous chromosomes lines up at the metaphase plate during meiosis I. B) the random nature of the fertilization of ova by sperm.