A hominid of Europe and Asia that became extinct
nearly 30,000 years ago was
a. a dryopith.
b. Australopithecus.
c. Homo erectus.
d. Homo neanderthalensis
e. Homo floresiensis.
Answer: d
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DNA replication is highly accurate. It results in about one mistake per billion nucleotides. For the human genome, how often would errors occur?
A) on average, once or twice in the lifetime of an individual B) on average, six times each time the entire genome of a cell is replicated C) on average, once every six cell divisions D) on average, once a lifetime in 10 percent of the population
Which amino acid(s) can be involved in special covalent "disulfide bridges" that, when present, help to
stabilize the tertiary and quaternary structure of proteins?
a. proline b. alanine c. leucine and isoleucine d. cysteine e. methionine
Based on the data in the table, this population has a ________ growth pattern
Time (years) Number of Organisms 1998 10 2000 15 2002 20 2004 40 2006 80 A) scramble competition B) S-curve C) J-curve D) boom-and-bust E) replacement-level fertility
How long would the peptide be that is translated from this mRNA sequence: 5'- AUGGGCUACCGA -3'? Yes, that's correct!
a. 0 amino acids b. 2 amino acids c. 3 amino acids d. 4 amino acids