Which of the following is not involved in ensuring the accuracy of replication of a cell's genetic information?

A) redundancy of double-stranded DNA
B) repair enzymes
C) precision of replication machinery
D) DNA polymerase proofreading mechanism
E) restriction endonucleases


E) restriction endonucleases

Biology & Microbiology

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The diploid garden pea plant has 14 chromosomes. The haploid fungus Neurospora crassa has 7 chromosomes. Neither organism has separate male and female individuals. Therefore, the number of linkage groups in these two organisms is:

A. Garden pea has 14 linkage groups, and Neurospora has 7 B. Garden pea has 7 linkage groups, and Neurospora has 7 C. Garden pea has 8 linkage groups, and Neurospora has 8 D. Gardent pea has 15 linkage groups, and Neurospora has 8

Biology & Microbiology

The field of ________ was founded in the 1970s to address moral issues and controversies that arise in applying medical technology.

A) metaethics B) bioethics C) biotechnology D) genetics

Biology & Microbiology

The first observed cells were from ____

a. cork b. a maple leaf c. human skin d. pollen e. bacteria

Biology & Microbiology

Three weeks after renovating your house, you finally have time to move the giant load of rotting lumber out by the property line. While loading it into the trailer to haul away, your hand slides through a big puddle of yellow slime on the back of one of the wooden slabs. Ugh! What is this? It looks like scrambled eggs! Or…dog vomit? Being an astute biologist, you quickly realize what it is. Which supergroup categorizes this substance?

a. Chromalveolata b. Archaeplistida c. Amoebozoa d. Rhizaria

Biology & Microbiology