ruminant biochemistry

Question 1

what is the most significant vitamin not available from plants in the ruminant die?

Answer 1

B12

Question 2

microbial fermentation is a symbiosis between?

Answer 2

animal and bacteria

Question 3

ruminants have fermentation _____ acid & enzyme digestion and absorption

Answer 3

BEFORE (rumen fermentation)

Question 4

in rumen fermentation, toxins are removed before or after digestion?

Answer 4

before

Question 5

why are microbes digested in ruminant?

Answer 5

to provide amino aicds and vitamins to the animals

Question 6

T/F no glucose from the diet is available to the animal?

Answer 6

TRUE

Question 7

the rumen is anaerobic or aerobic?

Answer 7

anaerobic

Question 8

what happens to O2 entering the rumen?

Answer 8

Any O2 entering the rumen is rapidly removed by

facultative aerobes

Question 9

T/F there is no electron transport of 02 in the rumen?

Answer 9

TRUE

Question 10

T/F there are no active pathways linked to O2 as electron acceptors

Answer 10

TRUE

Question 11

Is there TCA cycle metabolism or Fatty acid oxidation in the rumen?

Answer 11

NO

Question 12

NADH is oxidized by _____?

Answer 12

fermentative reactions so any NADH that is produced is oxidized to NAD+