Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
14 Cards in this Set
- Front
- Back
|
What are examples of carbohydrates?
|
cellulose (cell wall in plants); cell membranes
|
|
|
how does convex lens magnify objects?
|
convex lens allows you to see more of the object b/c of how the light hits
|
|
|
which microscope magnifies the most?
|
electron microscope
|
|
|
What is the building block of proteins?
|
amino acids
|
|
|
how are lipids used in a cell?
|
help form cell membrane; long term energy storage
|
|
|
Why would someone die if they were stranded in the middle of the ocean and only drank salt water?
|
salt makes cells thirstier & the body of the person would shrivel up
|
|
|
state 1 reason why water is impt. to cells
|
w/out water chemical reactions may not occur correctly or at all
|
|
|
compare & contrast diffusion and osmosis
|
diffusion is when molecules move from an area of high concentration to an are of lower concentration; osmosis is just like diffusion but w/ water
|
|
|
if cells don't have enough amino acids and can't produce more, what may happen?
|
cells may have a lack of protein b/c amino acids are the building blocks of protein
|
|
|
What are examples of nucleic acids?
|
fats, oils, butter, waxes, DNA & RNA, cholesterol
|
|
|
compare/contrast active & passive transport & give examples of both
|
active & passive transport are both ways that molecules get into cells but active requires energy and passive doesn't
ex: active - diffusion & osmosis passive - engulfing |
|
|
what 2 compounds are impt. to cell membrane?
|
carbohydrates & lipids
|
|
|
what are building blocks of carbs?
|
gluclose
|
|
|
What helps form cell MEMBRANES and is a long term energy storage?
|
Lipids
|
