Lateral roots arise from cells of the cortex. Indicate whether the statement is true or false


False - pericycle

Biology & Microbiology

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Which of the following reactions would you predict could be coupled to ATP synthesis from ADP + Pi? Choose all that apply

A. creatine phosphate + H2O creatine + Pi, G -10.3 kcal/mol B. phosphoenolpyruvate + H2O Pyruvate + Pi, G -14.8 kcal/mol C. glucose 6-phosphate + H2O glucose + Pi, G -3.3 kcal/mol D. glucose 1-phosphate + H2O glucose + Pi, G -5.0 kcal/mol E. glutamic acid + NH3 glutamine, G +3.4 kcal/mol

Biology & Microbiology

Which of the following correctly pairs a germ layer with the cells that will form from it?

A. ectoderm: inner layer of the skin, muscles B. mesoderm: inner layer of the skin, muscles C. endoderm: epithelial and pigment cells of the skin D. ectoderm: lining of the digestive tract and lungs E. mesoderm: lining of the digestive tract and lungs

Biology & Microbiology

Indicate the order of the point mutations in the rII region.

Shown below are the maps of a series of rII- deletion strains (1–5). The deleted region is indicated as (......) and the intact region as ______. Note that strain 5 carries two different deletions.

1 ___________(...........)_______________


2 _________________(...........)_________


3 (.....................)_____________________


4 ________________________(................)


5 _____(..........)________________(.........)

rII- phage strains A-E have point mutations in the rII region. E.coli K(?) cells are coinfected with one phage that has a deletion and one phage that has a point mutation. The presence of wild-type progeny phage is assessed by the presence (+) or absence (o) of plaques.



A) CADBE
B) DEBAC
C) BADCE
D) ABDEC
E) CEADB

Additional question (answer with TRUE or FALSE) :

The test described here depends on recombination.

Biology & Microbiology

Organisms that live at or near boundaries are called

A) boundary species. B) edge species. C) patch species. D) matrix species.

Biology & Microbiology