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25 questions
Determine the appropriate mechanism to transport the green particles across the cell membrane. Red triangle = gas, fat Green circles = ions, polar molecules, orange squares = sodium, potassium
Phospholipid Diffusion
Channel
ATP pump
Who used a compound microscope to see chambers within cork and named them "cells"?
Anton van Leeuwendhoek
Robert Hooke
Matthias Shleiden
Rudolf Virchow
Looking at a cell under a microscope, you note that it is a prokaryote. How do you know?
The cell lacks cytoplasm
The cell lacks a cell membrane
The cell lacks a nucleus
The cell lacks genetic material
Which sequence correctly traces the path of a protein in a cell?
ribosome, endoplasmic reticulum, golgi apparatus
ribosome, endoplasmic reticulum, chloroplast
endoplasmic reticulum, lysosome, golgi apparatus
ribosome, golgi apparatus, endoplasmic reticulum
The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
carbohydrates
lipids
bilipids
proteins
Electrons that pass through thin slices of cells or tissues and produce flat, two dimensional detailed images of organelles use which type of microscope?
Light
Electron Transmission
Electron Scanning
Is the cell a prokaryote or eukaryote?
Prokaryote
Eukaryote
Is this cell a prokaryote or eukaryote?
prokaryote
eukaryote
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