The molecular clock theory proposes that senescence occurs because _____
a. telomeres capping the ends of chromosomes become shorter with each cell division and their loss eventually stops the chromosomes from replicating
b. mistakes in the replication of cells or buildup of damaging byproducts from biologic processes eventually destroy the organism
c. unstable oxygen, formed normally during metabolism, can damage cells by initiating reactions that break down cell membranes
d. fast-paced living shortens one's lifespan
e. the genetic code directs cells to divide a certain number of times during their life span
a
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For adequate air circulation and even browning, at least _____ inches should be left between pans and between the pans and oven walls.
A. 2 B. 3 C. 5 D. 1
A patient reports that she has nausea after eating and often vomits at least once a day. This type of data is considered to be: a. objective
b. biochemical. c. clinical. d. anthropometric. e. subjective.
A certain fruit is being advertised and promoted on social media as a fruit with superior health-promoting qualities. Which of the following publications would be the most trustworthy source of information to verify this claim?
A) A local newspaper B) A peer-reviewed journal C) A blog written by a food blogger D) A fitness publication
Much of the science behind micronutrient discoveries began with observations of unusual diseases
Indicate whether the statement is true or false