M1 Active and Passive Transport

Presentation

•

Science

•

7th Grade

•

Medium

•

NGSS

MS-PS1-2, HS-LS1-3, MS-LS2-3

Standards-aligned

GARY SAKUMA

Used 30+ times

FREE Resource

20 Slides • 18 Questions

Multiple Choice

Getting rid of waste

Excretion

Digestion

Ingestion

Transport

Multiple Choice

The term used to describe when some molecules are able to pass through a membrane and others are not.

Osmosis

Diffusion

Selective Permeability

Equilibrium

Multiple Choice

When molecules move from an area of high concentration to an area of low concentration.

Osmosis

Selective Permeability

Equilibrium

Diffusion

A Concentration Gradient is like a hill

High concentration flows to low concentration, like rolling down a hill--from high concentration--alot of molecules to a low concentration

Multiple Choice

Homeostasis

allows for a wildly fluctuating internal environment

is impossible in vertebrates

is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation

is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

Comparison of Hypotonic, Isotonic, Hypertonic

Hypotonic-- like hypodermic needle, the number of solute/sugar/other molecules is less than what's outside the cell, so water comes into the cell

Isotonic--the number of solute/sugar/other molecules equals what's outside--so water is equal.

Hypertonic--more solute/sugar/other molecules outside cell than inside so water leaves the cell.

Multiple Choice

Passive transport moves material __________ its concentration gradient. While active transport moves substances ___________ its concentration gradient.

down, against

against, down

down, down

up, up

Multiple Choice

The term used to describe the diffusion of water.

Diffusion

Osmosis

Selective Permeability

Equilibrium

Multiple Choice

A cell in an isotonic solution will

swell

shrink

stay the same size

impossible to tell

Multiple Choice

Why are water molecules able to enter the egg but NOT the sugar molecules?

Sugar molecules are too heavy.

The holes of the semi-permeable membrane were too small to let sugar molecules through.

Semi-permeable membranes need energy.

Semi-permeable membranes must be under pressure to work.

Multiple Choice

Hypotonic solutions

make cells shrink

make cells swell

Multiple Choice

The cell below is in a _____________ solution.

Hypertonic

Hypotonic

Isotonic

Multiple Choice

The cell below is in a _________ solution.

Hypotonic

Hypertonic

Isotonic

Multiple Choice

Diffusion & Facilitated Diffusion are both __________ transport.

Passive

Active

Easy

Free

Multiple Choice

What is the movement of particles with the concentration gradient using protein "helpers"?

diffusion

facilitated diffusion

active transport

enzymatic reactions

Multiple Choice

What is a difference between diffusion and facilitated diffusion?

movement of particles from [high] to [low]

a protein "helper"

movement of particles from [low] to [high]

energy

Multiple Choice

Endocytosis is defined as

the movement of large molecules from the inside of the cell to the outisde of the cell using channel proteins.

the movement of large molecules from the inside of the cell to the outisde of the cell membrane vesciles.

the movement of large molecules from the outside of the cell to the inside of the cell using membrane vesciles.

the movement of large molecules from the outside of the cell to the inside of the cell using channel proteins.

Multiple Choice

Exocytosis is the movement of

any type of substance from outside the cell to the inside of the cell.

very large substances from outside the cell to the inside of the cell.

any type of substance from inside the cell to the outside.

very large substances from inside the cell to the outside.

Multiple Choice

Active transport _______ and is the movement of a substance from _____ to _____ concentration

requires energy, high to low

requires no energy, low to high

requires no energy, high to low

requires energy, low to high

Multiple Choice

In this image, the cell is using which type of molecular transport?

Osmosis

Diffusion

Endocytosis

Exocytosis

Show answer

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