A human impact on the nitrogen cycle, such as fertilizer

You have just discovered a new organism that you think is an animal. Which of the following characteristics disqualifies the organism as being an animal? a) possessing cells that have cell walls b) multicellular c) heterotrophic d) eukaryotic

In embryo development stage 2, what type of replication are the first cells undergoing? what do you think would happen if a mutation occurred in one of these cells?

Which of the following is true of transcription? A. In Eukaryotic, transcription takes place in the cytoplasm B. RNA polymerse recognizes and binds to specific regions of the DNA called introns C.

Describe how latitude and longitude coordinates are used to locate positions on Earth

The allele for nontasters is recessive. In which population is the frequency of the recessive allele highest

Which statement best describes messenger RNA? [Multiple Choice] A. It transfers polypeptides to the nucleus. B. It's chemically more complex than DNA. C. It had one Oxygen atom less than DNA. D. It's composed of a single strand of nucleotides.

An allele that masks another allele is known as

Is there penicillin in acyclovir

Noah wants to show the largest source of carbon on Earth for his school project. According to his research, in which form is most of the carbon on Earth stored?

True or false: most drugs are eliminated by the kidneys in urine although some are excreted in saliva, sweat, or exhalation. a. True b. False