To identify genes that are actively expressed, researchers isolate
A) DNA.
B) protein.
C) mRNA.
D) amino acids.
C) mRNA.
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Match the following items with the correct phrases.
_______1. The “building blocks” are held together by glycosidic bonds. _______2. Composed of “building blocks” that contain phosphorous. _______3. Polymers that are composed of amino acids. _______4. Enzymes are examples. _______5. Cellulose, glycogen, and starch are examples. _______6. The “building blocks” are held together by peptide bonds. a. polypeptides b. polysaccharides c. nucleic acids d. substrates
Nitrogen is important in the mutualism between legume plants and Rhizobium bacteria
Indicate whether the statement is true or false
Which structure contains the angiosperm egg?
A. style B. stigma C. anther D. embryo sac E. endosperm
Improvement of motor skills is a key component of health-related physical fitness.
a. true b. false