Pyranose rings are usually most stable when the ring adopts a ________ conformation with the bulkiest ring substituents in ________ positions.

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#Question id: 8696

#SCPH28 | Zoology

There is some evidence that reptiles called cynodonts may have had whisker-like hairs around their mouths. If true, then hair is a shared ________.

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#Question id: 1081

#SCPH01 Biochemistry

Which of the following is a type of local signaling in which a cell secretes a signal molecule that affects neighboring cells?

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#Question id: 4323

#SCPH01 Biochemistry

Muscle cells differ from nerve cells mainly because they

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#Question id: 1560

#SCPH05 I Biotechnology

An invertebrate, such as an insect, has innate immunity that can be nonspecific about which pathogens are prevented from harming its metabolism. Which of the following is most likely to function this way in the insectʹs intestine?

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#Question id: 17207

#SCPH01 Biochemistry

A novel protein from a deep sea archaebacterium was identified and sequenced. The sequence is expected to be widely divergent from known sequences. Which scoring matrix will produce the most appropriate alignment in a search for homologs in the NCBI database?