Q: Extrusive igneous rocks are also called what? Choices: - metamorphic - agates - magma minerals - volcanic rocks A:
volcanic rocks

Q: What visual property of soil indicates fertility and nitrogen content? Choices: - texture - contrast - quality - color A:
color

Q: Q: If a mistake is made by dna polymerase while adding nucleotides, incorrect bases are removed and replaced by the correct base, and the process of what continues? Choices: - fermentation - hybridization - digestion - polymerization A:
A: polymerization

Question: Q: In mismatch repair, other enzymes remove and replace incorrectly paired nucleotides that have resulted from what? Choices: - typing errors - interaction errors - evolution errors - replication errors A:
Answer: replication errors

*Question*
Q: The cells of the blastocyst form an inner cell mass called the what? Choices: - blastocyst - chloroplast - xerophyte - embryoblast A:
**Answer**
embryoblast

Q: Organisms that lack both a nucleus and membrane-bound organelles are known as what, in general? Choices: - photosynthetic - barren - trophic - prokaryotic A:
prokaryotic