Regents Living Environment Exam

Anhidrosis is the inability to sweat normally. If the human body cannot sweat properly, it cannot cool itself, which is potentially harmful. Anhidrosis most directly interferes with

• a feedback mechanism that maintains homeostasis

• an immune system response to harmless antigens

• the synthesis of hormones in the circulatory system

• the enzymatic breakdown of water in cells

Tags

NGSS.HS-LS1-3

Carmine, a compound that comes from the cochineal beetle, shown below, is used as a food coloring. The food coloring is not harmful to most people, but in a small number of individuals, it causes a reaction and affects their ability to breathe. This response to carmine is known as

• a stimulus

• an allergy

• natural selection

• an adaptation

Doctors often use certain medications to treat infections. A few people have a reaction to some of these medications, such as itching, swelling, or trouble breathing. This is an example of

• using antibodies to cure a medical problem

• the body’s immune system overreacting to a usually harmless substance

• the body creating a mutation to fight unknown pathogens

• a vaccine causing the body to produce antigens against the infection

What is the correct order of organization?

• cells->tissue->organs->organ systems-> organism

• tissue->cells->organs->organ systems-> organism

• organs->organ systems-> organism->cells->tissue

Tags

NGSS.MS-LS1-3

What is the process of converting sunlight into chemical energy called?

• solarization

• light-to-chemical conversion

• photosynthesis

• sunlightification

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

When a cell shrinks in size, what type of solution was added to it?

• Salt solution

• Tap water

• distilled water

• iodine solution

Tags

NGSS.MS-LS1-5

DNA and RNA are two types of

• proteins

• lipids

• carbohydrates

• nucleic acids

Tags

NGSS.MS-LS3-1

What is the substance the enzyme works on called?

• Substrate

• Product

• Active Site

• Complex

Name the most important inorganic compound to living things…

• Carbon Dioxide

• Oxygen

• Glucose

• Water

What happens when enzymes are heated to a high temperature?

• The enzymes die.

• The shapes of the enzyme are altered or denatured

• The enzymes' amino acid sequence changes.

• The enzymes remain the same