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Microbiology
Page 6
Questions (2,021)
a lab has two bacterial cultures. culture a contains 8×10^4 bacteria and culture B contains 4 × 10^6 bacteria. How do the two
6 answers
asked by
Anon
3,885 views
Bacteria in a culture grow 15 per thousand in an hour. If the count of bacteria in a sample is 1000000,after 2 hours it will be
(
5 answers
asked by
Dipti Singh
1,284 views
A parent bacterial cell is able to survive in the presence of the antibiotic penicillin. Subsequent generations from this parent
4 answers
asked by
IDK
424 views
A bacteria culture has an initial population of 200 bacteria at 9:00 AM and, in the presence of sufficient nutrients, the
4 answers
asked by
Kim
1,345 views
if there are initial 2500 bacteria in a culture, and the number of bacteria double each hour, the number of bacteria after t
4 answers
asked by
john
2,117 views
A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium
3 answers
asked by
Anonymous
5,868 views
Bacteria are the most common example of exponential growth. The table below shows the number of E-Coli bacteria that would be
10 answers
asked by
Mango
2,656 views
A scientist designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of
4 answers
asked by
Max
2,794 views
A certain bacterium swims with a constant speed of 4.61 µm/s. How long will it take to swim across a petri dish that has a
3 answers
asked by
James
1,264 views
Why does scenedesmus colony consist of 4,8 or 16 cells?
4 answers
asked by
Max
2,358 views
I must show my work for full credit. I need help on this question. I don't need answers, but could you help me figure it out.
Tha
4 answers
asked by
Mary
1,100 views
Suppose you are studying bacteria in biology class the table shows the number of bacteria after n doubling periods
n(periods)[0 1
4 answers
asked by
Anonymous
1,617 views
Which option accurately describes Anton van Leeuwenhoek’s impact on the scientific community during the Scientific Revolution?
4 answers
asked by
malia
3,765 views
Albert Kluyver "From elephant to...bacteria-it is all the same!" What did he mean?
4 answers
asked by
Stephanie
1,402 views
a lab has two bacteria cultures. culture a contains 8*10^4 bacteria, and culture B contains 4*10^6 bacteria. how do the two
9 answers
asked by
s
627 views
The growth of Pseudomonas bacteria is modeled as a first-order process with K=0.035 min ^-1 at 37 degrees C. The initial
3 answers
asked by
tatiana
1,192 views
Really confused on this question.
A microbiologist measures the speed of a swimming bacterium. The bacterium covers a distance of
3 answers
asked by
Gianna
1,454 views
A petri dish contains only two bacteria. The bacteria divide every half hour. How many bacteria will exist after 3 hours?
I
4 answers
asked by
Anonymous
1,319 views
Why does covering and refrigerating food help reduce spoilage from mould?
4 answers
asked by
Erica
1,059 views
Katrina is studying the effect of foreign substances on bacteria populations. If she introduces a
beneficial substance, such as
3 answers
asked by
Eric
1,360 views
Some bacteria get their energy from reduction of CO2 to CH4 by H2.
1. How many electrons are required to reduce CO2 to CH4? 2.
2 answers
asked by
Kim
832 views
Discuss some of the physical and chemical factors involved in the composition, and in the preparation, of a culture medium.
Nutri
4 answers
asked by
Jenn
1,734 views
at 9 am there were 10 bacteria in a petri dish
if the number of bacteria doubles every minute what is the number of bacteria in a
4 answers
asked by
Ashe
844 views
Bacteria can multiply at an alarming rate when each bacteria splits into two new cells, thus doubling. If we start with only
4 answers
asked by
M
4,819 views
The bacterium Escherichia coli (or E. coli) is a single-celled organism that lives in the gut of healthy humans and animals.
4 answers
asked by
Cassie
3,788 views
Hello!
____ Thanks for helping me. Currently, this is the only question that I'm confused, and that's preventing me from
3 answers
asked by
Da Fash
771 views
How many micrograms of iron were in the 6.5-mL sample of Greg's blood? Express your answer using two significant figures.
3 answers
asked anonymously
25 views
Most bacteria are
A: unicellular eukaryotes B: unicellular prokaryotes C: multicellular eukaryotes D: multicellular prokaryotes
7 answers
asked by
Anonymous
2,693 views
a microscope is set so it makes an object appear 4 x 10`2 times larger than its actual size. A virus as a diameter of 2 x10`-7
4 answers
asked by
Anonymous
1,335 views
The bacterium Caulobacter crescentus is able to form long cell envelope extensions that increase the surface area-to-volume
4 answers
asked by
Tina
1,892 views
what is the shortest possible time in which a bacterium could travel a distanceof 8.4 cm across a petri dish at a constant speed
4 answers
asked by
guled omar
861 views
Question 4
A) What makes the kingdom Protista unique?(1 point) Responses Protists share a common ancestor with fungi only.
2 answers
asked by
Addrian
245 views
In a lab experiment, 2200 bacteria are placed in a petri dish. The conditions are such that the number of bacteria is able to
3 answers
asked by
EBEN
408 views
The doubling period of a bacterial population is 10 minutes. At time t=90
minutes, the bacterial population was 80000. What was
4 answers
asked by
alex
535 views
1. Why would a bacterial culture not continue to double after a while?
a. The culture needs more light. b. The culture only
3 answers
asked by
BusyBee
498 views
In what way viruses are different from other microbes
3 answers
asked by
Rishabh
292 views
a bacteria culture starts with 260 bacteria and grows at a rate proportional to
its size after 5 hours there will be 1300
3 answers
asked by
Lavender
366 views
bacteria can multiply at an increasing rate. The bacteria doubles every hour, how many bacteria will we have by the end of one
5 answers
asked by
ashleyy
1,029 views
10. Which of these does a virus need to multiply?
A. chloroplasts from a host cell B. a host cell to provide oxygen C. new ADP
4 answers
asked by
Yeetus
1,166 views
A certain bacteria doubles every day. If there were 400 in the original culture, how many would be present after 3 days?
3 answers
asked by
xxxx
707 views
At the start of an experiment, there are 100 bacteria. If the bacteria follow an exponential growth pattern with a growth rate
3 answers
asked by
amy
1,688 views
Acrostic Statement from the word Bacteria pls. :)
5 answers
asked by
Gel.
1,456 views
Bacteria is growing in a petri dish. Initially, there were 15,000 bacteria in the dish. It triples every 8 hours. Write the
3 answers
asked by
Jordan
864 views
Predict the population of bacteria for each situation and time period.
-55 bacteria that double every hour a. after 3 hours b.
3 answers
asked by
SUPER DUPER IMPORTANT!
896 views
So i have to answer questions from my french textbook called on y va! 1
and on page 34 theres this article about microbes and 3
4 answers
asked by
Please Help ;D
1,157 views
Bacteria are growing in a circular colony one bacterium thick. the bacteria are growing at a constant rate, making the area of
4 answers
asked by
stephen
653 views
Can someone please help me?
In 1861, Louis Pasteur observed that when yeasts grow in a sugar and protein medium, completely free
4 answers
asked by
Adam
1,338 views
A number of bacteria are placed in a glass. One second later each bacterium divides in two, the next second each of the
4 answers
asked by
M.A.
1,563 views
what is a virus?
3 answers
asked by
Dakota
443 views
Cefalexin was developed through medical biotechnology. It kills disease-causing organisms by preventing them from developing a
3 answers
asked by
Lila England
203 views
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