The estimated world population in 2006 was almost:a
750 million.
b. 1 billion.
c. 3 billion.
d. 5 billion.
e. 7 billion.
E
Biology & Microbiology
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Genes that regulate development of specific body parts are called ________ genes
a. induction b. somite c. homeotic d. morphogen
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Lignified, tube-like structures that branch throughout the body of some plants, conducting water and
solutes, are called ____.
a. vascular tissues b. apical meristems c. root systems d. rhizomes e. shoot systems
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In eukaryotes, what is the difference between promoter proximal elements in "housekeeping genes" vs. cell-specific genes, and how does this relate to gene expression?
What will be an ideal response?
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The lining of the uterus that is discharged during the menstrual phase is the
A. oviduct. B. myocardium. C. endometrium. D. hymen. E. endocardium.
Biology & Microbiology