Biology Test #1

Name four facts about eukaryotic cells.

Got dat nucleus DNA stored in dat nucleus Has membrane-bound organelles Fatter than prokaryotic cells

Where do eukaryotes store their DNA?

In the nucleus

What is the function of the golgi apparatus?

It modifies products of the ER.

What is the function of ribosomes?

It uses info from DNA to make proteins.

Smooth ER lacks what?

Lacks ribisomes

In a _______________, visible light is passed through a specimen and then through glass lenses

Light microscope (LM)

Which of the following is found in eukaryotes but NOT prokaryotes? DNA, Ribosomes, Cell membrane, Lysosome

Lysosome

The ratio of an objects image size to its real size

Magnification

Only ________ cells have internal membranes that compartmentalize their functions

only eukaryotic cells

__________ are too small too small to be resolved by a Light Microscope

organelles

The basic structural and functional unit of every organism is one of two types of cells:

prokaryotic and eukaryotic cells

Where is cytoplasm in a eukaryotic cell?

region between nucleus and plasma membrane

the measure of the clarity of the image, or the minimum distance of two distinguishable points

resolution

What is the smallest unit of life?

the cell

All living cells have ribosomes: T/F?

True!!!!!!!!!!!!!!!!!!!!!!!!!

which cell has membrane-bound organelles

eukaryotic cells have membrane bound organelles thats why its chunky

_______ takes apart and separates the major organelles from one another

cell fractionation

Protists, fungi, animals, and plants all consist of _____ cells

consist of eukaryotic cells

Only organisms of the domains Bacteria and Archaea consist of ___________ cells

consist of prokaryotic cells

Visible differences in parts of the sample

contrast

the material or protoplasm within a living cell, excluding the nucleus, is

cytoplasm

The fluid found inside living cells is called

cytosol

Viruses and prions are defined as:

entities

Light microscopes (LM's) can magnify effectively to about _________ times the size of the actual specimen.

1000x

Which of the following is a function of rough ER? Create membranes, Distribute Transport Vehicles, Make Proteins, or All of the Above

All of the above

Where do prokaryotes store their DNA?

An unbound region called the nucleoid

Where is DNA found in a prokaryotic cell?

An unbound region called the nucleoid

Which of the following groups are prokaryotic? Fungi, Archaea, Protista, Bacteria

Archaea and Bacteria

All organisms are made of:

Cells

The organelle which is the site for photosynthesis is: Peroxisome, Mitochondria, Chloroplast, All of the Above

Chloroplast

__________ microscopes are used to study subcellular structures such as organelles.

Electron Microscopes

The _______ accounts for more than half of the total membrane in many eukaryotic cells.

Endoplasmic Reticulum (ER)

what cell is chunkier

Eukaryotic cell chunkier

When it comes to prokaryotic cells and eukaryotic cells, which one is larger?

Eukaryotic cells

Which of the following have membrane-bound organelles - Eukaryotic or Prokaryotic cells?

Eukaryotic cells have membrane bound organelles, prokaryotic cells do NOT.

The organelle responsible for making ATP is the: Peroxisome, Gogli Body, Mitochondria, Centrosome

Mitochondria

What is the function of the Golgi apparatus?

Modify products of the ER

Name four facts about prokaryotic cells.

No nucleus DNA in nucleoid No membrane-bound organelles Cytoplasm bound by the plasma membrane

Do prokaryotic cells have a nucleus?

No, they do not

The _______ contains most of the DNA in a Eukaryotic cell

Nucleus

a selective barrier that allows sufficient passage of oxygen, nutrients, and waste to service the volume of every cell is

Plasma membrane

ALL CELLS HAVE _______, _______, _______, _________.

Plasma membrane, cytosol, chromosomes, ribosomes

What is the difference between a prokaryotic cell and a eukaryotic cell regarding organelles?

Prokaryotes have no membrane bound organelles. Eukaryotes have membrane bound organelles.

________ microscopes focus a beam of electrons through a specimen. They are used mainly to study the internal structures of cells

Transmission Electron Microscopes (TEMs)

Which of the following does NOT occur in the smooth ER? Synthesis of lipids Metabolizing carbohydrates Protein synthesis Storage of calcium

Protein synthesis

_________ microscopes focus on a beam of electrons onto the surface of a specimen, providing images that look 3D

Scanning Electron Microscopes (SEMs)

Are cells living?

Yes, cells are living.

Do eukaryotic cells have a nucleus?

Yes, they do

Where is cytoplasm in a prokaryotic cell?

bound by the plasma membrane

Rough ER is ______

the site of protein synthesis