How do you tell if physicalchange has occurred?

a. it cannot be reversed.

b. a new substance appears.

c. no new substance is produced.

What organelles is the control center of the cell

Instruments used to measure air pressure are called what?

A student listed some differences between alcoholic fermentation and lactic a between alcoholic fermentation and lactic acid fermentation.

The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein.

Why is the 6th comandment changed from no animal shall kill any other animal to no animal shall kill any other animal without cause?

Where is fresh water found? Select three options, rivers oceans ice sheets water vapor coastal wetlands

A mineral that breaks along one or more straight lines exhibits which property ФωФ

Which of the following is a biotic factor? a. Parasites b. Sun c. Soil d. Temperature

When nucleotide sequence of the cell's DNA becomes altered it causes what

Factors that can alter the level of expression of a gene include Check All That Apply an increase in l temperature. an increase in salinity. exposure to UV radiation. presence of particular energy substrate.