Biology, 21.01.2020 12:31 pr4ever

Which of the following organic molecules is a source of carbon, nitrogen, and phosphorus?
a) calcium carbonate
b)nucleic acids
c)ammonia

Answers: 1

Show answers

Another question on Biology

Biology, 22.06.2019 06:30

Mitosis creates two identical daughter cells from one parent cell creates four nonidentical daughter cells from one parent cell is the most common type of reproduction for bacteria is the process by which male and female reproductive cells are created

Answers: 1

Answer

Biology, 22.06.2019 08:30

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

Answers: 3

Answer

Biology, 22.06.2019 09:00

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?

Answers: 3

Answer

Biology, 22.06.2019 15:40

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.

Answers: 1

Answer

You know the right answer?

Which of the following organic molecules is a source of carbon, nitrogen, and phosphorus?
a)...

Questions