Unit Test — Unit test Answers

If the activation energy required for a chemical reaction were reduced, what would happen to the rate of the reaction?

Which is the best definition of activation energy?

The picture shows a carafe of olive oil.What is one of the primary functions of this food in the body?

Lactase and carbonic anhydrase are examples of what type of substance?

The lock-and-key mechanism refers to

Read the passage below about acupuncture.Acupuncture is an alternative medicine that uses wire-thin needles inserted by a trained practitioner into specific points in the body. This ancient form of pain relief and stimulation is said to benefit patients by blocking channels which practitioners claim allow pain to travel within the body. This practice became more widely recognized and used after a New York Times reporter wrote in 1971 of a positive experience with it after surgery. Those who doubt the effectiveness of this treatment for pain attribute the pain relief to a placebo effect: if a patient believes something will reduce their pain, they will experience some relief. The National Institutes of Health says that acupuncture relieves pain and reduces nausea and vomiting, although it is unclear how it works. The few adverse effects reported are due to improperly sterilized needles or improper delivery, making this still a fairly low risk option. For anyone considering acupuncture, they should first research its effectiveness for their specific condition.Summary of statements published by the National Institutes of HealthAfter reading the passage about acupuncture, identify which statement supports the claim that acupuncture relieves pain.

Which statement correctly compares nucleic acids and carbohydrates?

Gregor Mendel was the first scientist to use statistics to analyze scientific data. Before Mendel’s experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. After Mendel’s discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. This is an example of

Which statement best describes the components of nucleic acids?

Our current understanding of evolution is called a theory because it has been