Which of the following is NOT true about biodiversity?
What will be an ideal response?
As extinction rates increase, biodiversity increases.
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The ability of an individual heterozygous for two different genes to produce its four gamete types in
equal numbers reflects Mendel’s Law(s) of
a. Segregation. b. Independent Assortment. c. Punnett Squares. d. Chromosome Theory. e. Segregation and Independent Assortment.
Craig Venter and Claire Fraser are working to create a "minimal organism.". They are starting with Mycoplasma genitalium, a bacterium that has 517 genes. By disabling its genes one at a time, they discovered that 265–350 of them code for essential proteins. The scientists are synthesizing the essential genes and inserting them, one by one, into an engineered cell consisting only of a plasma
membrane and cytoplasm. They want to see how few genes it takes to build a new life form. What properties would such a cell have to exhibit for you to conclude that it was alive? What will be an ideal response?
_____ form a waterproof seal between cells
a. Tight junctions c. Gap junctions b. Adhering junctions d. all of these
A plant that requires two years to complete its life cycle is referred to as:
a. a biennial. b. an annual. c. a perennial. d. a dicot. e. a monocot