Bio Chapter 7 - Cell Functions

Unicellular Organisms

Unicellular Organisms

________- filled with water and have a pump to help from exploding.

Antonie Van Leeuwenhoek

________ observed microorganisms in pond water under a microscope.

Osmosis

________ is only concerned with water and its levels.

Theodore Schwann

________ concluded that all animal tissue is made of cells.

flexible structure

Gives a(n) ________ that forms a barrier between a cell and its surroundings.

Protein channels

________ are specific to certain particles only.

Centrioles

________ are also formed from tubulins.

Convert energy

________ from food into compounds that can be used more conveniently by the rest of the cell.

cell divides

When a(n) ________, chromatin condenses to become chromosomes.

electron microscopes

Scanning ________ create 3D images.

proteins

Occurs when particles are too large to be carried by ________.

Substances

________ diffuse across membranes without using energy.

DNA

________ is stored in the nucleus.

vacuole

A(n) ________ is formed around the material that works to bring it into the cell.

Matthias Scheider

________ concluded that all plant tissue is made of cells and that cells are a basic unit of life.

Membranes

________ contain integral proteins that can assist in the movement of larger particles.

James Hooke

________ coined the term "cell.

Electrons

________ bounce off of and do not have to be cut into small slices.

Particles

________ tend to move from areas of high concentration to low concentration.

materials

Occurs when ________ have to move from areas of low to high concentration.

Envelopes

________ contain pores that only RNA can pass through.

plant cells

In ________- the central vacuole is filled with liquid that is used for photosynthesis + helps the plant stand upright.

Small molecules

________ are carried by proteins.

Capture energy

________ from the sun and convert it into chemical energy.

Smooth ER

________- Creates lipids and detoxifies drugs.

Rough ER

________- Proteins are assembled on ribosomes.

Cells

________ are the basic unit of life and structure of all organisms.

Transmission electron microscopes

________ are used to show cell structure and large protein molecules.

Proteins

________ are moved from ER to Golgi.

Study

New Technology allowed people to study the movement and structure of cells

Organelles

Preform cell functions

2 Parts

Nucleus + Cytoplasm

Nucleus

Holds instructions

Ribosomes

Build

ER

Shape

Golgi

Modify/Sort/Package

Vesicles

Ships

Granular material in the nucleus

Chromatin

Chromatin

made of RNA and protein

Rough ER

Proteins are assembled on ribosomes

Smooth ER

Creates lipids and detoxifies drugs

In plant cells

the central vacuole is filled with liquid that is used for photosynthesis + helps the plant stand upright

Unicellular Organisms

filled with water and have a pump to help from exploding

No movement

extra padding

More concentrated solution

Hypertonic

Less concentrated solution

Hypotonic

Glucose Transport

Only for glucose