Answer the following statements true (T) or false (F)
1. Genes that are expressed only when needed are called constitutive genes.
2. Polysaccharides, polypeptides, and nucleic acids are all examples of polymers.
3. During translation, amino acids are “activated” by attaching to an appropriate rRNA molecule.
4. The peptide bonds that hold amino acids together in protein molecules are examples of covalent bonds.
5. In double-stranded DNA molecules, the two strands are held together by hydrogen bonds.
1. FALSE
2. TRUE
3. FALSE
4. TRUE
5. TRUE
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When comparing dry heat and moist heat sterilization, dry heat is
A. equally as fast. B. slower. C. faster. D. sometimes faster but sometimes slower.
True or false: Supercoils in DNA are induced or relaxed by enzymes called topoisomerases
A. true B. false
True or False: Ecdysozoans include insects and make up more than half of all known animal species
A. true B. false
GAA, used to treat Pompe disease, is now synthesized by ____________. Fill in the blank(s) with the appropriate word(s)