You are watching: Choose the statement that correctly explains why viruses are described as “filterable.”
Choose the term that describes a bacteriophage infection in which the host bacteria are lysed and eliminated by the infection.
Phage nucleic acid is replicated and phage genes are expressed, making new phage protein and lysing the host cell
One of the principal viral capsid forms is a 20-sided number through 12 evenly spaced corners described as a/an _____ capsid.
Viroffers via _____-feeling RNA contain the correct message for translation, while virsupplies with _____-sense RNA have to initially be converted right into a correct message.
In general, a lot of DNA virsupplies multiply in the host cell"s _____, while a lot of RNA viroffers multiply in the hold cell"s _____.
Consider the adhering to theoretical conditions: A population of 10,000 bacteria has a doubling time of 20 minutes under a offered collection of development conditions. The society is enabled to grow for 2 hrs. Select the number of bacteria that best predicts the populace dimension at the finish of the two-hour incubation period. Assume tbelow is no lag phase.
Choose the phase of the bacterial growth curve during which a bacterial population has the shortest doubling time.
Carbon, nitrogen, oxygen and hydrogen are taken into consideration _______ bereason they are required in reasonably big amounts, whereas manganese, zinc, and copper are considered _____ bereason they are compelled in incredibly little quantities.
In regards to power and also carbon resources, deep-sea vent microorganisms and methanogens are many particularly classified as ______.
A _____ derives its nutrients and energy from the organic matter of dead organisms, whereas a _____ livesin or on one more living organism and derives its nutrients and also power from that living organism.
An organic nutrient that cannot be synthesized by the organism and also should be provided is referred to as a(n) ______.
An organism that uses CO2 for its carbon requirements and also sunlight for its power demands would be dubbed a ______.
The motion of substances from lower to better concentration throughout a semipermeable membrane by means of a specific protein carrier and also cell expenditure of power is dubbed ______.
When whole cells or big molecules in solution are engulfed by a cell, this endocytosis is particularly termed ______.
An organism that grows progressively in the cold however has actually an optimum expansion temperature of 32°C is called a(n) ______.
E. coli bacteria normally live in the huguy gut and also develop vitamin K that the body provides. This is finest termed a ______ relationship.
A loopful of bacteria containing 1000 bacterial cells is inoculated into a nutrient broth and incubated. After a negligible lag phase, the culture goes right into exponential growth for two hrs. The generation time for the bacterium is fifteenager minutes. Which equation is the correct one to recognize the variety of cells current after two hours of log phase growth?
The phase of the bacterial development curve in which the rate of multiplication amounts to the rate of cell death is the ______.
In the viable plate count method, a measured volume of a society is evenly spread across an agar surface and also incubated. Each _____ represents one _____ from the original sample.
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When it is essential to count the variety of cells, identify cell dimension, and also differentiate in between dead and live cells, a(n) ______ is supplied.
Fundamentals of Biochemistry: Life at the Molecular Levelfifth EditionCharlotte W. Pratt, Donald Voet, Judith G. Voet
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