Cyanobacteria are so named because many species have a blue-green appearance caused by the photosynthetic pigment phycocyanin.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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In mammalian eyes, light must pass through neural cells to reach the photoreceptors in the retina

Indicate whether the statement is true or false.

Biology & Microbiology

All cells in an embryo have the same genes, but they express different subsets of this genome. Selective gene expression is the basis of:

a. cleavage b. cell differentiation c. fertilization d. gamete formation e. organ maturation

Biology & Microbiology

Leaves arise

a. as part of the periderm. b. as part of secondary growth. c. at the nodes. d. as a result of differentiation of cambium cells. e. from the lateral, not the apical, meristem

Biology & Microbiology

Hyposecretion of ADH results in

A) stimulation of protein synthesis. B) reduced uptake of blood glucose. C) diabetes insipidus. D) an increase in the mass and length of bones. E) overstimulation of cell division.

Biology & Microbiology