The wall between the two mature sieve tube elements contain a sieve plates, these sieve plate pores are open —that is, unobstructed by

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#Question id: 11925

#XL - R Botany

The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence?

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#Question id: 11926

#XL - S Microbiology

The chloroplasts of all of the following are derived from ancestral red algae, except those of

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#Question id: 11926

#XL - R Botany

The chloroplasts of all of the following are derived from ancestral red algae, except those of

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#Question id: 11927

#XL - S Microbiology

A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group?

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#Question id: 11927

#XL - R Botany

A biologist discovers an alga that is marine, multicellular, and lives at a depth reached only by blue light. This alga probably belongs to which group?

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#Question id: 11938

#XL - T Zoology

Which of the following changes tends to increase peritubular capillary fluid reabsorption?