Formation of the bony skeleton
What will be an ideal response?
Up to week 8, fibrous membranes and hyaline cartilage of fetal skeleton are replaced with bone tissue. There are two methods of ossification.
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Which of the following is the best definition for recombinant DNA?
A) DNA that results from bacterial conjugation B) DNA that includes pieces from two different sources C) an alternate form of DNA that is the product of a mutation D) DNA that carries a translocation
Which of the following is NOT a difficulty with the biological species concept?
a) asexual species b) ring species c) inbreeding species d) fossil species e) hybridizing species
Mutations in the nucleic acid sequence of a gene can sometimes direct the substitution of one amino acid for another in the encoded protein. Which amino acid substitution would be most likely to severely disrupt the normal structure of a protein?
A.) asparagine to threonine B.) leucine to isoleucine C.) tryptophan to phenylalanine D.) alanine to glycine E.) methionine to arginine
There are many more olfactory cells than there are taste buds.
Answer the following statement true (T) or false (F)