Brock Biology of Microorganisms

Test Bank for Brock Biology of Microorganism 16th Edition by Michael T. Madigan 13.1 Multiple Choice Questions 1. The earliest stromatolites were probably formed by A) anoxygenic phototrophs. B) anoxygenic lithotrophs. C) oxygenic phototrophs. D) oxygenic lithotrophs. 2. Compared with today, the temperature on Earth during its first half-billion years was probably A) considerably warmer. B) considerably colder. C) about the same as today. D) about the same as today on ...

Test Bank for Brock Biology of Microorganism 16th Edition by Michael T. Madigan 7.1 Multiple Choice Questions 1. Fluorescence microscopy allows visualization of all of the following EXCEPT A) cytoskeletal proteins. B) nuclear proteins. C) interactions between cytoplasmic proteins. D) All of these answer choices can be visualized. 2. Once replication of the chromosome has begun, DnaA is inactivated A) as a result of being blocked from oriC B) by increased expression of FtsZ...

Test Bank for Brock Biology of Microorganism 16th Edition by Michael T. Madigan 6.1 Multiple Choice Questions 1. Regulation of enzyme activity occurs A) at the start of transcription. B) at the start of translation. C) posttranslationally. D) at any point on the enzymatic production pathway. 2. A protein region with a specific function and structure is called a A) conserved site. B) domain. C) locale. D) motif. 3. Transcriptional regulators bind most frequently at ...

Test Bank for Brock Biology of Microorganism 16th Edition by Michael T. Madigan 10.1 Multiple Choice Questions 1. Which type of viruses generally has the smallest genome? A) bacteriophages B) DNA viruses C) RNA viruses D) viroids 2. The Baltimore Scheme to classify viruses contains a total of ______ groups based on _______. A) four / genome composition B) four / genome composition and transcription mechanism C) seven / genome composition D) seven / genome composition a...

Test Bank for Brock Biology of Microorganism 16th Edition by Michael T. Madigan 9.1 Multiple Choice Questions 1. ______ of prokaryotic genomes are now available in public databases. A) Dozens B) Hundreds C) Thousands D) Millions 2. Based on the table of average intron frequency given below, predict the relative order of genome size for these four eukaryotic organisms. Organism Average Intron Frequency Cryptosporidium parvum 0 Plasmodium falciparum 1 Arabidopsis thaliana 5...

Test Bank for Brock Biology of Microorganism 16th Edition by Michael T. Madigan 8.1 Multiple Choice Questions 1. Viral replication is A) independent of the host cell’s DNA but dependent on the host cell’s enzymes and metabolism. B) independent of both the host cell’s DNA and the host cell’s enzymes and metabolism. C) dependent on the host cell’s DNA and RNA. D) dependent on the host cell’s DNA, RNA, enzymes, and metabolism. 2. Viral replication occurs A) intracel...