Q: The genome of an organism consists of one or more what? Choices: - hemoglobin molecules - require molecules - rna molecules - dna molecules A:
dna molecules

Q: Which form of matter assumes the shape of its container? Choices: - solids - liquids - crystals - gas A:
gas

Q: Q: What group of single-celled organisms lacking a nucleus comprises the most numerous organisms on earth? Choices: - eukaryotes - carbohydrates - fungi - prokaryotes A:
A: prokaryotes

Question: Q: What can alkenes and alkynes be reduced with to form alkanes? Choices: - acids - oxygen - enzymes - hydrogen gas A:
Answer: hydrogen gas

*Question*
Q: In science, what is constantly tested, sometimes revised, sometimes thrown out and sometimes well-established? Choices: - a technique - a study - a variable - a theory A:
**Answer**
a theory

Q: Q: Prokaryotes and the nitrogen cycle nitrogen is a very important element for life because it is part of proteins and this? Choices: - nuclear forces - nerve cells - molecules - nucleic acids A:
A: nucleic acids