Test #4 Cells, macromolecules, graphing, data wtc

Which scientist first observed and named "cells" in 1665?

• a. Anton van Leeuwenhoek

• b. Robert Hooke

• c. Charles Darwin

• d. Louis Pasteur

What are the three main ideas/tenets of cell theory?

• a. Cells contain DNA, cells need energy, cells reproduce

• b. Cells are microscopic, cells need nutrients, cells die

• c. All living things are made of cells, cells are the basic units of structure and function, new cells come from existing cells

• d. Cells have organelles, cells need water, cells evolve over time

What did Leeuwenhoek discover in the 1680s using his microscope?

• a. Plant cell walls

• b. Single-celled organisms

• c. Cell theory

• d. DNA structure

What is the correct order of biological organization from smallest to largest?

• Molecule → atom → cell → tissue → organ → organism

• Atom → molecule → organelle → cell → tissue → organ system → organism

• Organelle → cell → molecule → tissue → organ → organism

• Atom → organelle → molecule → cell → tissue → organ → organism

Tags

NGSS.MS-LS1-3

What is the main difference between prokaryotic and eukaryotic cells?

• Only eukaryotes contain DNA

• Prokaryotes are always larger than eukaryotes

• Eukaryotes have a membrane-bound nucleus containing DNA

• Only prokaryotes can be unicellular

Which structures are found in plant cells but not in animal cells?

• Mitochondria and nucleus

• Nucleus and DNA

• Chloroplasts and Cell Walls

• Ribosomes and Mitochondria

What are organelles?

• a. Single-celled organisms

• b. Specialized structures that perform specific tasks in cells

• c. Types of molecules

• d. Parts of DNA

Tags

NGSS.MS-LS1-2

Which of these is a characteristic of eukaryotic cells?

• Lack of membrane-bound organelles

• Always unicellular

• Generally larger and more complex than prokaryotes

• DNA floating freely in cytoplasm

What is the function of the cell membrane?

• To produce energy for the cell

• To store genetic information

• To provide structure and control what enters and exits the cell

• To produce proteins for the cell

Tags

NGSS.MS-LS1-2

What is the primary function of the nucleus?

• Energy production

• Protein synthesis

• Contains and stores genetic information

• Photosynthesis