Which characteristic is common to both segmented worms and flatworms?

A) a flat body

B) a long, slender, round body

C) a front end and a back end

D) a segmented body

Which is an arrangement of genes consisting of an operator, a promoter, and a repressor? 1) RNA polymerase 2) anticodon 3) codon 4) operon

What chemical gets released at the end of a neuron to transmit an impulse to the next neuron?

When lead acts as a poison, it can do so by either replacing another ion (such as zinc) in the active site of an enzyme or reacting with cysteine side chains to form covalent bonds. which of these is irreversible and why?

What are two basic types of wave motion?

What bone creates prominence of cheek inferior and lateral to the eye?

Identify and understand the characteristics of living things

In a blood transfusion, it is important that the donor's blood and recipients blood are compatible. If they are not what will happen to the recipients blood?

If 20% of a DNA molecule is adenine what percent is guanine

How would muscle spindles be classified based on stimulus type?

Match the vocabulary term with its meaning. 1. civilization the study of humans 2. society a highly developed society 3. culture a document produced some time after the historical event 4.