Chpt 1
How is a hypothesis written?
"If . . . Then . . ."
What is protein denaturation?
loss of a protein's 3D shape
What limits cell size?
Surface area to volume ratio
What are autotrophs?
organisms that make their own food
What did the horse say after it tripped?
Help! I've fallen and I can't giddy up!
Astrology is an example of . . .
pseudoscience
What is the monomer for carbohydrates?
monosaccharides
What are 5 differences between prokaryotes and eukaryotes?
Prok --> nucleoid region, no membrane-bound organelles, binary fission, unicellular, smaller ribosomes . . .
Euk --> nucleus, membrane-bound organelles, mitosis, multicellular, larger ribosomes . . .
What is the energy currency of the cell?
ATP
Why can't you hear a pterodactyl going to the bathroom?
Because the P is silent.
What are the four steps of the scientific method?
observation, hypothesis, experimentation, analysis/conclusion
A substance with a pH of 6.99 would be considered a . . .
weak acid
What do lysosomes do?
Perform programmed cell death (apoptosis)
What is the purpose of cellular respiration?
to make ATP
Why did the bicycle fall over?
Because it was two tired.
What are the seven characteristics of life?
order, cells, growth & development, energy utilization, response to the environment, reproduction, evolution
What is the difference between cohesion and adhesion?
Cohesion --> attraction between molecules of the same kind
Adhesion --> attraction between molecules of different kinds
What is differences between smoot ER and rough ER?
Rough ER has ribosomes that produce proteins
Smooth ER produces lipids
what is the purpose of photosynthesis?
to make glucose
What do elves learn in school?
The elf-abet
A substance with no therapeutic effect is a . . .
Placebo
What is the difference between a polar and nonpolar covalent bond?
Polar covalent --> electrons are unequally shared
Nonpolar covalent --> electrons are equally shared
What are the differences between active and passive transport?
Active --> requires energy and a transport protein
Passive --> doesn't require NRG, may use a transport protein but doesn't always
It fixes carbon dioxide to RuBP
What does corn say when it get a compliment?
Aw, shucks!