Which of these elements is rarely found in organic molecules?

Robert studies ocean life. He observes that a species of octopus squirts a large cloud of black ink whenever a predator approaches. Which of the following is a scientific question that Robert could ask about what he observed? A.

Predict the most likely effect of a two-nucleotide deletion in the middle of the intron located between exons 4 and 5 on the structure of protein A. Justify your answer.

Some insecticides interfere with the removal of acetylcholine from the synaptic cleft. what effect will this have on muscle contraction

What might be some challenges of working in a forensic biology lab?

Why is water so effective at hydrogen bonding? A There are two hydrogens, doubling the positive charge on the water molecule. B Hydrogen is more electronegative than oxygen, so it is more likely to donate its electrons to oxygen.

In wild, tigers eat all parts of their prey. Including bones. In zoos they develop bone problems when they are fed only flesh? Why?

Tissues and organs worksheet answers describe the basic components of a tissue

what is it called when a scientists personal opinion affects the way experimental results are reported A. bias B. curiousity C. inductive reasoning D. deductive reasoning

Which trophic level does a fish represent in food chain? Algae-> mosquito larva->dragonfly larve-> fish-> man A Tertiary B Secondary C Detritus

Which process produces a greater number of offspring?