What do the vitamins biotin and Vitamin K have in common?
A) They are both water-soluble vitamins.
B) They are both obtained from meat.
C) They are both produced by intestinal bacteria.
D) They are both common deficiencies in the human diet.
C
You might also like to view...
Trophic efficiency is _____
A) the ratio of net secondary production to assimilation of primary production B) the percentage of production transferred from one trophic level to the next C) a measure of how nutrients are cycled from one trophic level to the next D) usually greater than production efficiencies E) about 90% in most ecosystems
What fraction of the nucleotides in a double-stranded DNA molecule are cytosine and thymine (% C and % T added together)?
A) 25 % B) 50 % C) 75 % D) 100% E) It depends on the DNA sequence
Even though bacteria lack membrane-bound organelles, such as chloroplasts and mitochondria, they
can still perform the functions of these organelles by localizing certain metabolic enzymes on: a. the nuclear membranes. b. the endoplasmic reticulum. c. the plasma membrane. d. ribosomes. e. the cell wall.
A student noticed that every time he smelled a certain perfume in the hallway, it reminded him of his mother. This is due largely to the activity of the limbic system
Indicate whether the statement is true or false