exam 2 fitb bio 151

Question 1

If 40% of nt genome were thymine, then _____% would be cytosine

Answer 1

10

Question 2

The polysaccharides used for energy storage in animals is called _______

Answer 2

glycogen

Question 3

the polysaccharides used for structure in insect exoskeleton is called _______

Answer 3

chitin

Question 4

A mystery molecule includes a carbon chain arranged in a ring with an oxygen serving as one member of the ring. There are no phosphates or nitrogens in this molecule, but there are quite a few oxygens. This molecule could belong to ________ class of molecules

Answer 4

carbohydrates

Question 5

An RNA molecule that has the following sequence: 5’ UUAAGCGCGUC. The part of the gene that codes for this sequence has the following sequence: 5’ ____________

Answer 5

AGACGCGCUUA

Question 6

________ transports amino acids to the ribosomes during translation.

Answer 6

tRNA

Question 7

______ carries the coding sequences for a protein

Answer 7

DNA

Question 8

______ inside the ribosome is essential for carrying out translation.

Answer 8

rRNA

Question 9

________ interferes with the translation process

Answer 9

miRNA

Question 10

Almost all _______ molecules are amphipathic

Answer 10

phospholipids

Question 11

______ are good for energy storage

Answer 11

steroids

Question 12

_____ are important in endocrine signaling

Answer 12

steroids

Question 13

_____ would easily mix with oil

Answer 13

fats

Question 14

cholesterol is used to make many ______

Answer 14

steroids

Question 15

phosphatidylinositol 4, 5-bisphosphate (PIP2) is a signaling molecule and is a ______

Answer 15

phospholipid

Question 16

______ will spontaneously form vesicles in water

Answer 16

phospholipids

Question 17

fats with at least one carbon-carbon double-bond are called ________ and are liekly to liquid at room temp

Answer 17

unsaturated

Question 18

Genes with many _____ pairs are more common in bacteria that live in hot habitats, because they are more stable

Answer 18

GC