Describe the specialized digestive system that enables ruminants, such as cows, to live on a diet of grass

What will be an ideal response?


Ruminants have a multichambered stomach that houses microorganisms that can break down difficult-to-digest carbohydrates, such as cellulose. Also, they regurgitate their food after it has been partially digested and "ruminate" it for further mechanical breakdown, then return it to the stomach for further chemical digestion.

Biology & Microbiology

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The characterization of whole genomes, including their structures (sequences), functions, and evolution is called ____

a. genetic engineering b. genomics c. bioinformatics d. biotechnology e. genetic engineering

Biology & Microbiology

If a cuticle is removed from a leaf, the leaf will

a. be unable to carry on photosynthesis. b. be unable to carry on transpiration. c. lose water and wilt. d. replace the cuticle with a layer of suberin. e. immediately close its stomata to prevent water loss.

Biology & Microbiology

Which of the following statements regarding genetic testing is false?

A) Genetic testing before birth requires the collection of fetal cells. B) Carrier testing helps determine whether a person carries a potentially harmful disorder. C) The screening of newborns can catch inherited disorders right after birth. D) Most human genetic diseases are treatable if caught early.

Biology & Microbiology

Listeria monocytogenes does not grow in refrigerated foods.

a. true b. false

Biology & Microbiology