Why is the b0 = 0 at time period x0 for some species?
A) The birthrate always starts at 0.
B) Some species do not reproduce during the first time period.
C) All individuals are dead at x0.
D) This is the case because m0 times 0 always = 0.
B
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Which of the following species does NOT fit
in the type III survivorship curve?
a. bees b. humans c. salamanders d. snakes e. goldfish
__________ cause habitat loss, degradation of habitat, and habitat fragmentation, all of which can
endanger the __________ species. Fill in the blank(s) with the appropriate word(s).
Which of the following statements is true regarding the use of oligonucleotide primers in PCR?
A. Oligonucleotide primers must hybridize completely to the template DNA strand in order for PCR to proceed; nonhybridized DNA will be degraded. B. The use of oligonucleotide primers is obsolete with the Gibson method of seamless cloning; instead, DNA polymerase and DNA ligase are able to copy the DNA independently. C. Oligonucleotide primers must hybridize to the 5' end of the template strand leaving a 3' primer "overhang"; that sequence will be copied and incorporated into the daughter strands allowing seamless cloning to occur. D. Only a portion of the oligonucleotide primers need to hybridize to the 3' template DNA strand; the 5' "overhang" can contain a restriction site that will be copied during the second and all subsequent cycles of PCR.
Apoptosis through the extrinsic pathway is activated by factors such as lack of oxygen or growth factors.
Answer the following statement true (T) or false (F)