micro ch4/5

Prokaryotic cells do not have a __________ or membrane bound organelles

Some bacteria are photosynthetic. True or False
True False

Prokaryotic surface to volume ratio is 20 times greater than in a typical human _____

Eukaryotic cells include what 4 kingdoms?

How many layers surround Gram Negative bacterium?

Most bacterial cell capsules are made of _______

In a bacterial cell the periplasm is the

Gram-Negative bacteria have an outer cell membrane and are __________to many toxic substances.

Clostridium perfringens is Gram___________.

The cell wall of bacteria is found in Gram negative and Gram ________ bacterium.

Bacilli are ________shaped.

Coccu is ________shaped

Spirillum is ________shaped.

Vibrios are ______shaped.

A species of Vibrio causes __________.

Mycoplasmas lack a cell wall but do not lyse because they do not contain

Pili are _____appendages that allow bacteria to attach to surfaces, bacteria or other cells.

Axial filaments are only found in

A bacterial cell is placed in an extracellular environment that has a higher solute concentration compared to its intracellular makeup. Inside the bacterial cell this lowers its turgor pressure, and the cell will_________.

Solutions A and B are separated by a membrane permeable to water but not permeable to solutes. If solution A has a solute concentration of 0.5 and solutionn B has a solute concentration of 1.5% , solution B is hypertonic to A and gains water by _________

B a concentration _______more molecules are found in one region compared to another.

The diffusion of water across a membrane is

By ______solid material is engulfed by a cell.

By ______liquid material is taken in by the cell.

_________is the expulsion of material from the cell.

Syphillis is caused by a species of _____________.

Toxic shock is caused by strains of ______

The most common microbe causing urinary tract infection is__________.

The sum of all chemical activities that take place within an organism

Aerobic metabolism takes place in the presence of _________

The major nutrient that undergoes catabolism is____________

During Glycolysis each glucose molecule starts the process and ends forming 2 molecueles of ______, 2 molecules of ATP, and 2 molecules of NADPH.

Oxidation is the _____of electrons.

Reduction is the ________of electrons

Anaerobic metabolism takes place __________

Lactic fermentation by bacteria is used to produce _____________ and buttermilk.

In alcoholic fermentation with yeast, pyruvate is converted to CO2 and __________.

In an oxygen consuming cell like E. Coli or human cell, 1 glucose molecule forms ______ATP molecules.

Diplo

strepto

staphlo

Strains of S. pneumonia lacking a capsule are _______. Strains of S. pneumonia with a thick capsule can be ____to humans.

During Glycolysis, each glucose molecule produces 4 ATP with a net gain of ______ATP.

The 3 steps of cellular respiration:

Main process of Glycolysis

Main process during Krebs cycle

When there is lack of oxygen, Pyruvate turns to lactic acid or

Heterotrophic-nutrients from orgainic sources
Autotrophic-make own food thru photosynthesis

movement of molecules from area of low concentration to high concentration

hypertonic- environment has higher concentration of solultes than its interior.
(may result in ________)

Hypotonic-environment has lower concentration of soluutes than cell's interior. May cause cells to _____

equal concentration , no change in water environment

The most resistant bilogical structures known.

Cell wall is made of ______.

swim toward favorable concentrations of dissolved oxygen

bacteria that sense certain chemical and swim toward regions that contain more nutrients and away from regions with toxic chemicals

ATP- adenosene triphosphate

LPS-lipopolysaccharide

Gram negative bacteria layers around

gram-positive bacteria layer around