A protein called actin consists of 376 amino acids. The mRNA for actin must be longer than
A. 125 nucleotides.
B. 376 nucleotides.
C. 1128 nucleotides
D. 3384 nucleotides.
C
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Who suggested that giraffes developed their long necks over time by stretching?
A) Wallace B) Plato C) Darwin D) Cuvier E) Lamarck
For most species that exhibit sexual dimorphism the
selection of a mate is the responsibility of the a. male. b. parents. c. female. d. larger individual, no matter the species. e. more colorful individual.
How can a fusion protein be formed?
A. by removing a portion of the gene, forming a shorter gene and therefore a shorter protein B. by site-directed mutagenesis, where a fragment is replaced with a synthetic sequence containing the altered DNA sequence C. by ligating together the sequences of two different genes, creating a new hybrid gene. When expressed, the new gene product is a fusion of the two gene products. D. by the recombination of two proteins in a bacterial cell to form a new hybrid protein E. by using oligonucleotide-directed mutagenesis to introduce mutations that cause the expressed protein to fuse to other proteins
_____ attach skeletal muscles to bone
a. Smooth muscles b. Ligaments c. Tendons d. Joints