PCB 4522 Exam 1 Latest 2024/2025 Academic
Year 100% Accurate Fall-Spring (Complete)
How big was the parent population of modern humans immediately before
the third exodus from Africa ca. 70,000-100,000 yrs ago?
5,000-10,000
Neanderthals are thought to have had the modern configuration of the
larynx and windpipe.
True
What are some examples of mutations that suggest that evolution is
continuing to change our species?
lactose tolerance and various disease resistance genes
.
What transcription factor has undergone comparatively rapid evolution in
the interval between chimps and humans, perhaps contributing to the
capacity for complex language?
FOXP2
,What two actions can all vertebrates, with the exception of adult Homo
sapiens, perform simultaneously?
swallow and breathe
What's the difference between synonymous and nonsynonymous
mutations?
Synonymous mutations do not result in a change in the amino acid
sequence of the coded protein.
Which of the answers below illustrates that the concept of an organism is
a matter of definition?
a large grove of elm trees in Utah
Which of the answers below illustrates the concept that a species is
somewhat arbitrary and relative?
a ring species
, Which two forms of archaic humans made the first exodus from Africa
more than 200,000 yrs ago?
Homo erectus and Neanderthal
Which of the following proteins is perhaps the largest in the human
genome and mutations of it have been implicated in autism, dyslexia,
schizophrenia, intellectual disability, Tourette syndrome and language
impairment?
CNTNAP2
Which enzyme methylates bacterial oriC?
Dam methylase
What are the DNA sequence elements of oriC?
GATC Dam methylation sites, DnaA protein high and low affinity binding
sites
Under what circumstances can the replication fork be bidirectional?
When the origin of replication creates two replication forks that move in
opposite directions.
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