Fatty acids are ________; they function in the cell as ________
A) short chains of double-bonded carbon molecules; storage lipids
B) short chains of double-bonded carbon molecules; vitamins and cofactors
C) four-ringed hydrocarbon molecules; key components of membranes
D) long, unbranched hydrocarbon chains with a carboxyl group at one end; building blocks for other lipids
E) short chains of double-bonded carbon molecules; vitamins, cofactors, and storage lipids
Answer: D
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a. 78 b. 168 c. 206 d. 417 e. over 600
What is the process involved with nitrifying bacteria?
a. nitrite ? nitrate b. nitrate ? nitrite ? nitrogen gas c. nitrate ? ammonia d. urea ? ammonia e. nitrogen gas ? ammonia
The difference between deoxyribose and ribose sugars is...?
a. One sugar is single-stranded b. DNA is a 5-carbon ring, whereas RNA is a 6-carbon ring c. A carboxylic acid group is present on the 2' carbon of DNA d. A hydroxyl group is present on the 2' carbon of RNA
Mendel indicated that traits were made up of unit factors. Today, we call unit factors ________
A) phenotypes B) alleles C) genotypes D) characters E) genes