Which of the following is true of an enzyme? (mark all that apply)

a. it is a protein

b. it is a catalyst

c. it binds to many different substances

d. it is small compered to its substrates

Which of the following is the correct definition of electrical energy? A. energy that is transmitted in the form of electromagnetic waves B. energy an object has because of its motion or position C.

It is possible for a cell to make proteins that last for months, hemoglobin in red blood cells is a good example. however, many proteins are not this long-lasting; they may be degraded in days, hours, or even minutes.

Which best describes the modern classification system? A. based on evolutionary relationships B. called Linnean classification C. based on similar appearances D. called Darwinian classification

How does the manipulation of an independent variable during a scientific experiment allow a scientistto find a cause and effect relationship between the variables

Why does biodiversity matter?

If a small founder population of 12 people ends up on a small island, and one member of the population had a mutation that creates a new allele, what is the likelihood that the allele will be eliminated from the population?

Homologous structures (Group of answer choices): A. are also called analogous structures. B. have identical functions. C. are shared by organisms of the same genus. D. have fully divergent functions. E.

Which of the following is true of an enzyme? (mark all that apply) a. it is a protein b. it is a catalyst c. it binds to many different substances d. it is small compered to its substrates

Which term would be applied to a regulatory condition that occurs when protein is associated with a particular section of DNA and greatly reduces transcription? A) induction B) negative control C) stimulation D) positive control E) activation

1. The reproductive parts of angiosperms are located within the called the and the female part is called the The male part is 2. In angiosperms, pollen produces cells. Pollen sticks to the female and travels down the style to the ovary.