IB HL SEHS Topic 1

Which of the following is NOT part of the cell theory?

• Cells are the smallest unit of life

• All organisms are composed of one or more cells

• Every cell shows emergent properties

• All cells come from pre-existing cells

What type of cell transport is used to move molecules from high to low concentration across the cell membrane?

• Simple diffusion

• Facilitated diffusion

• Active transport

• Osmosis

Which part of the cell membrane prevents ions/charged molecules from moving across the cell membrane?

• Carbohydrate chains

• Hydrophilic phospholipid heads

• Protein channels

• Hydrophobic phospholipid tails

How do prokaryote reproduce?

• Conjugation

• Binary Fission

• Mitosis

• Meiosis

Which organelle provides energy for the cell?

• Mitochondria

• Chloroplast

• Endoplasmic Reticulum

• Ribosomes

Tags

NGSS.HS-LS1-7

Which type of cell transport makes molecules more concentrated on one side of the membrane and requires energy?

• Passive diffusion

• Facilitated diffusion

• Active transport

• Osmosis

Which organelle makes protein?

• Ribosomes

• Endoplasmic Reticulum

• Golgi apparatus

• Mitochondria

Which organelle modifies, sorts and packages protein for export?

• Ribosomes

• Endoplasmic Reticulum

• Golgi apparatus

• Mitochondria

During which phase do chromosomes get replicated?

• G1

• S phase

• G2

• Prophase

During which phase of mitosis do chromosomes line up in the center of the cell?

• Prophase

• Metaphase

• Anaphase

• Telophase

Tags

NGSS.HS-LS1-4