Biology, 27.01.2020 23:31 multezemaleme
Amicrobiologist inoculates staphylococcus aureus into a culture medium. following incubation, both staphylococcus aureus and staphylococcus epidermidis are determined to be growing in this culture. what is the most likely explanation?
a. the microbiologist used too much inoculum.
b. the culture is contaminated.
c. the incubation temperature was incorrect.
d. the culture medium must be selective.
e. the culture medium must be differential.
Answers: 3
Biology, 21.06.2019 16:00, melaniem50
Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed
Answers: 2
Biology, 21.06.2019 18:00, nkennaachilefu
Which events are likely to be catastrophic to an ecosystem? select the three correct answers. a-hurricane. b-steady population growth. c-seasonal flooding. d-introducing of an aggressive invasive species. e-tsunami.
Answers: 1
Biology, 22.06.2019 02:00, badpotterchris
How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.
Answers: 1
Biology, 22.06.2019 11:00, erinolson07cats
What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.
Answers: 2
Amicrobiologist inoculates staphylococcus aureus into a culture medium. following incubation, both s...
Mathematics, 30.04.2021 22:00
Geography, 30.04.2021 22:00
History, 30.04.2021 22:00