Regents Living Environment

Doctors sometimes use a vaccine to prepare the body to defend itself against future infections. These vaccines most often contain

• antibodies

• antibiotics

• white blood cells

• weakened pathogens

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

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

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

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

Tags

NGSS.MS-LS1-7

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