Double Science Cumulative 2 Revision

What is adaptation of muscle cells that make them specialised for their role in the body?

• Many ribosomes for protein synthesis

• Many mitochondria to produce energy

• Many chloroplasts for photosynthesis

• Long with many connections at the end

Tags

NGSS.MS-LS1-2

What is the chemical found in plant cell walls?

If the actual size of a bacterial cell is 5 micrometres and the image size is 500 micrometres, what is the magnification used?

What is the independent variable in an investigation?

• The one you measure

• The one you change

• The one you keep the same

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is the dependent variable in an investigation?

• The one you measure

• The one you change

• The one you keep the same

Tags

NGSS.MS-PS3-4

What is the control variable in an investigation?

• The one you measure

• The one you change

• The one you keep the same

What is the charge on a neutron?

What is the charge on a proton?

What is the charge on an electron?

How many electrons can go in the first shell of an atom?