Week 1 Review (111)

In water, what type of bonds hold the oxygen and hydrogen atoms together?

• Hydrogen bonds

• Oxygen bonds

• Covalent Bonds

• Ionic Bonds

If the pH drops from 7 to 6, there are now ___ free hydrogen ions in the water.

• 1 more

• 1 fewer (less)

• 10 times more

• 10 times fewer (less)

Which of the following would you NOT find in a prokaryotic cell?

• Mitochondria

• Ribosome

• DNA

• Cell / Plasma membrane

Which of the following would you only find in a plant cell?

• Mitochondria

• Cell / Plasma Membrane

• Endoplasmic reticulum

• Chloroplast

Tags

NGSS.MS-LS1-6

Hydrogen bonds occur between a slightly positive hydrogen atom and ____.

• Another hydrogen atom in the same molecule

• Another hydrogen atom in a different molecule

• A slightly negative atom in the same molecule

• A slightly negative atom in a different molecule

Which of the following is NOT something that hydrogen bonds do?

• Make ice less dense than liquid water

• Hold DNA strands together

• Make water polar

• Help water dissolve many things (act as solvent)

Tags

NGSS.HS-ESS2-5

Which of the following is a base?

• Lemon Juice

• Water

• Coffee

• Bleach

Which type of cell?

• Prokaryote
• Eukaryote

Tags

NGSS.MS-LS1-1

The organelle that assembles proteins in the cytoplasm:

• Ribosome

• Nucleus

• Mitochondrion

• Rough Endoplasmic Reticulum

Tags

NGSS.MS-LS1-2

Which organism is made up of cells that have both a cell membrane and a cell wall?

• desert mouse
• human 
• maple tree
• zebra

Tags

NGSS.MS-LS1-1