Question

In: Nursing

1. Which of these bacteria perform photosynthesis? Select one: a. clostridia b. cyanobacteria c. mycobacteria d....

1. Which of these bacteria perform photosynthesis?

Select one:

a. clostridia

b. cyanobacteria

c. mycobacteria

d. spirochetes

2. Which type of RNA transports the DNA master code to ribosomes?

Select one:

a. messenger (mRNA)

b. transfer (tRNA)

c. ribosomal (rRNA)

d. single-stranded (ssRNA)

3. Pieces of genetic material that are contained within bacteria but replicate

independently of the cell’s chromosomes are called which of the following?

Select one:

a. genomes

b. plasmids

c. RNA

d. viruses

4. Which of the following is a characteristic of RNA, but not of DNA?

Select one:

a. It is a double-stranded, helical molecule.

b. It is copied during transcription.

c. The complementary based paired with adenine is thymine.

d. The sugar that is a component of the molecular backbone is ribose.

5. Which of the following is a random change in the DNA arising from errors in

replication?

Select one:

a. crossing over

b. induced mutation

c. spontaneous mutation

d. transmutation

Solutions

Expert Solution

Nightingale answered 2 years ago
Next > < Previous

Related Solutions

Which of the following ferments lactose quickly? Select one: a. Klebsiella b. Brucella c. Moraxella d....
Which of the following ferments lactose quickly? Select one: a. Klebsiella b. Brucella c. Moraxella d. Helicobacter pylori
25-1/Which hormone increases basal metabolic rate? Select one: _ a. Cortisol b. Insulin c. Thyroxine d....
25-1/Which hormone increases basal metabolic rate? Select one: _ a. Cortisol b. Insulin c. Thyroxine d. Progesterone 2/Which of the following is a function of tropomyosin in skeletal muscle? Select one: a. Binding to myosin during contraction - b. Releasing Ca+2 after initiation of contraction c. Acting as a relaxing protein d. Sliding on actin to produce shortening 3/Absorption of which of the following nutrients will be affected by total removal of stomach? Select one: _ a. Vitamin K _...
Which of the following microorganisms lack mitochondria? a. Fungi b. Bacteria c. Parasites d. Protists Which...
Which of the following microorganisms lack mitochondria? a. Fungi b. Bacteria c. Parasites d. Protists Which bacteria have cell walls that are approximately 10-20% peptidoglycan? a. Gram-positive b. Gram-negative c. Acid-fast d. Wall-deficient Which bacteria are difficult to Gram stain? a. Gram-positive b. Gram-negative c. Acid-fast d. Wall-deficient Which of the following types of bacteria are slow growing, due to the high lipid content of their cell walls? a Gram-positive b Gram-negative c. Acid-fast d. Wall-deficient Which of the following...
A large company has the opportunity to select one of four projects: A, B, C, D,...
A large company has the opportunity to select one of four projects: A, B, C, D, or the null (Do nothing) alternative. Each project requires a single initial investment as shown in the table below. Information on each alternative was fed into a computer program that calculated the IRR for each project as well as the pertinent incremental IRR(s) as shown in the table below. Project Initial Investment Project IRR Incremental Rate of Return of “Row” – “Column” Null A...
Antibiotics are used to eliminate which organisms. A. Viruses B. Bacteria C. Protozoan pathogens D. All...
Antibiotics are used to eliminate which organisms. A. Viruses B. Bacteria C. Protozoan pathogens D. All of the above.
1. Which genus contains acid-fast bacteria? a. Bacillus b. Staphylococcus c. Streptococcus d. Mycobacterium 2. What...
1. Which genus contains acid-fast bacteria? a. Bacillus b. Staphylococcus c. Streptococcus d. Mycobacterium 2. What component of the cell wall is responsible for the manner in which acid-fast bacteria absorb and release stain? a. isoniazid b. mycolic acid c. lipopolysaccharide d. peptidoglycan 3. In a properly done acid-fast stain, non-acid-fast bacteria will appear what color? a. purple b. pink c. green d. blue 4. Which disease is caused by members of the genus Mycobacterium? a. cholera b. diabetes c....
In the diagram, which point is at the lowest potential? (a) A (b) B (c) C (d) D
In the diagram, which point is at the lowest potential?(a) A(b) B(c) C(d) D
1)Common methods for measuring muscle action involve: Select one: a. Palpation b. Simulation c. Mechanomyogram d....
1)Common methods for measuring muscle action involve: Select one: a. Palpation b. Simulation c. Mechanomyogram d. Surgery 2)During an arm curl exercise, the contralateral obliques act as Select one: a. stabilizer 3) Chest press machines allow people to sit and move the handles with the hands. Stabilizers for a chest press machine exercise include: Select one or more: a. Internal and external obliques b. Pectoralis major c. brachialis d. Upper trapezius e. none of the above f. Rhomboids g. Middle...
1.) Which bacteria grew in the widest range of temperatures? a.) P.fluorescens b.) B. gloibporus c.)...
1.) Which bacteria grew in the widest range of temperatures? a.) P.fluorescens b.) B. gloibporus c.) B. stearothermophilus d.) E. oli 2.) Which of the following bacteria gre best at the lowest osmotic pressure? a.) S.ruber b.) E. coli c.) S. aureus d.) V. costicola 3.) Which statement explains what aerobes use oxygen to do? a.) to insulate themselves in anaerobic enviroments b.) to prevent free radicals from reacting with DNA and other vital molecules c.) to provide the alcohol...
Phototrophic microorganisms (A: 2pts; B: 4pts) Cyanobacteria Algae Green-sulfur bacteria Purple-sulfur bacteria A. Big picture: What...
Phototrophic microorganisms (A: 2pts; B: 4pts) Cyanobacteria Algae Green-sulfur bacteria Purple-sulfur bacteria A. Big picture: What are similarities between all these microorganisms? B. Choose one of the oxygenic phototrophs and one of the anoxygenic phototrophs and contrast and compare them focusing on: (You can present the answers in a table.) phylogenetic affiliation energy generation (photosystems, e-donor and acceptor, carbon source) metabolism is they don’t do photosynthesis relationship to oxygen preferred habitats other specific characteristics
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT