Is this statement true or false?

All organisms have a closed circulatory system.

A.

True

B.

False

Enhancer i can stimulate the transcription of gene a, but the insulator blocks its effect on gene b. enhancer ii can stimulate the transcription of gene b, but the insulator blocks its effect on gene a.

Toxicology is the study of what? medicine substances that have an adverse effect on living organisms chemical dyes and colorants the insects that may be found at crime scenes

Which is the best definition of activation energy? the energy required to end a chemical reaction the energy required to bind a substrate to an active site the energy required to form or break the bonds of reactant molecules the energy required to

Excess of which vitamin can cause toxic effects of excess perspiration and fishy body odor

A client has a history of multiple abdominal surgeries from a gunshot wound 3 years ago. the client is currently reporting severe abdominal pain. auscultation reveals high-pitched, rushing sounds. these sounds could be a sign of what condition?

Which atoms are in all carbohydrates? Carbon, Iron, Oxygen Carbon, Hydrogen, Oxygen Carbon, Hydrogen, Nitrogen Nitrogen, Phosphorus, Oxygen

In separate marshes, small populations of three species occur: grass fish, which disperse only in extreme rains and have an average dispersal of 1 individual every 45 generations, swamp rats, which occasionally disperse over land, averaging 2

3. Which of the following is the term for the energy of motion? 1) potential energy 2) kinetic energy 3) tension 4) momentum

Describe the process through which allopatric speciation splits 1 species into 2 distinct ones

What is an example of a limiting factor that humans use to control the carrying capacity of an environment for a particular type of organism? Explain your answer.