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Which organelle is the powerhouse of the cell, the site of cellular respiration?

• 9 - mitochondria

• 2 - nucleus

• 5 - endoplasmic reticulum

• 6 - Golgi bodies

Tags

NGSS.MS-LS1-2

Your science teacher has asked the class to make a cell city model. Which building or business in the city could represent the mitochondria?

• roads - transportation system

• city hall - control center

• city dump - waste storage

• power company - produces energy

Tags

NGSS.MS-LS1-2

This cell structure gives shape and protection to the plant cell

• cell wall

• vacuole

• cell membrane

• cytoplasm

The illustration is the basic unit of life. It is

• an organelle

• a molecule

• an atom

• a cell

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

The powerhouse of the cell: that is a term used to describe the ______________, because it's main function is to produce energy for cellular activities.

• nucleus

• endoplasmic reticulum

• Golgie body

• mitochondria

Tags

NGSS.MS-LS1-7

Which organelle, found in this plant cell, breaks down sugars for cellular energy?

• nucleus

• ribosomes

• chromosome

• mitochondria

Tags

NGSS.MS-LS1-7

No matter what the cell type, prokaryotic or eukaryotic, plant or animal, the ____________ forms a protective barrier between the exterior environment and the interior of the cell.

• glycoproteins

• cell membrane

• cell wall

• cytoskeleton

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Before organisms with nuclei evolved, life on earth consisted only of unicellular

• fungi

• protists

• eukaryotes

• prokaryotes

Tags

NGSS.MS-LS4-1

Sam and Ben collected some pond water for science class. They wanted to see what was living in the water. They could see green algae, but Sam believed there were other things there as well. What piece of lab equipment should they use to see the smallest animals that live in the pond water?

• microscope

• hand lens

• magnifying glass

• telescope

Prior to the 1600s it was believed that all living things were either plants or animals. Which of these inventions led to the development of a more detailed classification system?

• chemical battery

• microscope

• electricity

• printing press

Tags

NGSS.MS-LS1-1

NGSS.MS-LS4-2