Despite an international agreement signed in 1987 to phase out the production of CFCs, depletion of the ozone will continue to affect Earth and its atmosphere for at least another one hundred years
Indicate whether the statement is true or false
TRUE
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One of the goals of synthetic biology is to:
A) all of these B) "custom build" a particular species of an existing organism C) develop novel life forms D) create a living cell int he laboratory
The ant Myrmecia pilosula has the smallest number of chromosomes possible in a eukaryote: females possess only one pair of chromosomes, and males have only one chromosome! Put another way, female M
pilosula can be described as having the haploid condition n = 1 and the diploid condition 2n = 2. Based on this scenario as well as your knowledge of gamete formation, a female M. pilosula can produce gametes with ________ different sets of chromosomes. A) eight B) four C) two D) millions
Which of the following processes occurs in eukaryotes but not prokaryotes?
A. DNA replication B. capping C. transcription D. translation E. gene regulation
Why are cells arrested at metaphase in the preparation of a karyotype?
a. The chromosomes have duplicated, making them easier to visualize. b. All of the sister chromatids have separated into two new daughter cells. c. All of the chromosomes are at their least condensed state and are easy to visualize. d. All of their chromosomes are highly condensed and easy to visualize.