Which structure in the accompanying figure is responsible for the production of hormones?



a. 1

b. 3

c. 4

d. 6

e. 7


d

Biology & Microbiology

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To avoid using controversial embryonic stem cells, scientists have learned to reprogram fully differentiated adult cells and return them to a pluripotent state

A. true B. false

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 ______.

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

Biology & Microbiology

Four of the five tissues listed below are related by a

common tissue type. Select the exception. a. adipose b. bone c. cartilage d. blood e. epithelium

Biology & Microbiology

The chromosome theory of inheritance states that

A) genes are located on chromosomes. B) chromosomes replicate before cell division. C) alleles of a gene segregate during cell division. D) chromosomes consist of DNA. E) different chromosomes assort independently of one another.

Biology & Microbiology