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12 questions
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- Multiple ChoicePlease save your changes before editing any questions.
Why is having an understanding of biotechnology and cell biology necessary (select all that apply?)
cell are used for much of the work of biotechnology
cells are the target of many biotechnoligical products
cells can be reproduced in mass quantities
microorganism are so small that they cannot be seen without a microscope
- Multiple ChoicePlease save your changes before editing any questions.
What disease has killed millions of people including King Tut, many people that were part of the Roman Empire, and still kills over 400,000 people each year today?
anthrax
plague
malaria
rabies
- Multiple ChoicePlease save your changes before editing any questions.
Bacteria are classified into gram positive and gram negative based on the thickness of their
peptidoglycan cell wall
plasma membrane
flagellum
proteins
- Multiple ChoicePlease save your changes before editing any questions.
Which correctly matches the bacterium shape to its morphology (select all that apply?)
aerobic is rectangular
coccus is spherical
spirillum is spiral-shaped
bacillus is rod-shaped
- Multiple ChoicePlease save your changes before editing any questions.
One of the most important proteins produced by bacteria in mass quantities for humans is
keratin
myosin
tubulin
insulin
- Multiple ChoicePlease save your changes before editing any questions.
What is the most common type of medium used to grow E. coli for laboratory use?
LB broth
EMB broth
YED extract
rotting meat
- Multiple ChoicePlease save your changes before editing any questions.
When removing the cap of a test tube, what finger should be used to hold remove and hold the cap?
thumb
index finger
ring finger
pinky finger
- Multiple ChoicePlease save your changes before editing any questions.
After removing the cap from the test tube, what is the next step if you are plating bacteria from the test tube?
put the loop in the tube to get bacteria out
pass the tube opening through a flame
open the lid of the petri dish
pass the loop through a flame
- Multiple ChoicePlease save your changes before editing any questions.
Which are important rules to follow for aseptic technique (select all that apply?)
avoid contact between sterile and nonsterile items
change gloves frequently
increase airflow around your experiment
avoid passing items over the top of sterile containers
place bottle caps, lids, and pipet tips on the lab table when not in use
- Multiple ChoicePlease save your changes before editing any questions.
What things should be written on a media plate (select all that apply?)
name of the media
initals of the person who made the plate
date the plate was made
how many colonies are present on the plate
- Multiple ChoicePlease save your changes before editing any questions.
Gram positive bacteria should stain
purple
pink
red
black
- Multiple ChoicePlease save your changes before editing any questions.
What organelle is present in animal cell and NOT in plant cells (select all that apply?)
mitrochondria
lysosomes
chloroplasts
large cetral vacuole