If you were descending through the ocean zones in a submersible, which would be the first zone you encounter that is entirely without light?

If a tRNA molecule has an anticodon which reads Aug what was the codon of the mRNA molecule

If the producers in this aquatic food chain produce 50,000kcal of energy; how much energy would the Perch have?

Coral are marine animals that can be found off the coast of Australia. Coral have a mutually beneficial relationship with the algae that live in their tissue. These algae share nutrients with the coral in exchange for a protected place to live.

Prokaryotes whose cell walls do not contain peptidogly can

What is the role of water in the light reactions of photosynthesis?

Where does the primary source of energy needed for life come from? 1) solar energy 2) geothermal energy 3) nuclear energy 4) kinetic energy

Which molecules is not part of the cell membrane? a. lipid b. nucleic acid c. phosphate group d. steriod e. protein?

During dna replication in a human cell, 6 billions bases must be paired properly. which characteristic of dna best allows for high level of accuracy during this process

Which of the following actual (i. e., real) products of biological activity is not likely to be a source of the increases in greenhouse gases observed in recent history? A.

A population with 65 A1A1 individuals, 55 A1A2 individuals, and 10 A2A2 individuals is in Hardy-Weinberg Equilibrium. Hint: For this problem assume if the expected value is within 3 of the observed it's in HWE.