Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

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#Question id: 2294

#SCPH01 Biochemistry

________ use such high magnification that even atoms are discernable.

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#Question id: 2147

#SCPH28 | Zoology

Movement of water across membranes is facilitated by proteins called:

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#Question id: 8700

#SCPH06 I Botany

Use the following figure and description to answer the question.

Humans, chimpanzees, gorillas, and orangutans are members of a clade called the great apes, which shared a common ancestor about 15 million years ago. Gibbons and siamangs comprise a clade called the lesser apes. Tree-branch lengths indicate elapsed time. Assuming chimps and gorillas are humans' closest relatives, removing humans from the great ape clade and placing them in a different clade has the effect of making the phylogenetic tree of the great apes ________.

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#Question id: 19688

#SCPH06 I Botany

Which kind of event is represented by the T wave on the ECG recording?

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#Question id: 14116

#SCPH05 I Biotechnology

Which of the following statements are CORRECT when a protein sequence database is searched using the BLAST algorithm? 

P. A larger E-value indicates higher sequence similarity 

Q. E-value < 10^-10 indicates sequence homology 

R. A higher BLAST score indicates higher sequence similarity 

S. E-value > 10^10 indicates sequence homology