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Tems11 [23]
2 years ago
12

Help!!! I’m not sure how to answer this worksheet

Biology
1 answer:
lesya692 [45]2 years ago
5 0

Answer:

ncisuzlxfbnusJZbcxnuvjszncjx bni

Explanation:

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If we have a plate that has 2500 colonies on it, can we use this plate to calculate CFU's
AleksAgata [21]

No, the solution with bacteria in it needs to be diluted in order to be in the range of 30 – 300.

A colony-forming unit –CFU is used to estimate the number of viable (ability to divide by binary fission) microbes in a sample.  

A sample of microbes is diluted and spread on a plate. Then, the number of colonies is counted, assuming that each colony have grown from a single colony-forming unit, or CFU.

Plates with more than 300 colonies are difficult to count while those with less than 30 colonies give statistically unreliable numbers of colonies to count.

6 0
3 years ago
A high rise condominium is planned for a barrier island that lies off the southwest coast of Florida. Which of these predictions
Sergio [31]

Answer:

The ecosystem will be destabilized as abiotic resources like available space are reduced.

Key species found on the barrier island will move to a new habitat.

Explanation:

Due to living of humans on the barrier Island with adversely affected the organisms present on that Island because the loss of habitat occur due to living of humans and the important species migrated to other habitats where no humans are present. So this action greatly change the environment of barrier Island and the ecosystem will be destabilized.

5 0
3 years ago
Each lung is divided into two lobes.<br><br> TrueFalse
asambeis [7]

Hey there!

The correct answer is False.

The right lung actually has three lobes while the left lung has two!


Hope this helped and have a great day (:

5 0
3 years ago
Read 2 more answers
Fill in the blanks to complete each sentence about dry climates.
Savatey [412]

Dry climates do not have sufficient precipitation during the most of the year.

Desert are located in the arid climate.

The semiarid climate is in a grassland, or steppe, region.

4 0
3 years ago
6. In Chicago "Smiling Gus" Winkler met up with some of Chicago's most famous gangsters. They included:
viktelen [127]

Answer:

Al Capone, Fred "Killer" Burke, and Bugsy Moran.

Explanation:

Augustus "Smiling Gus" Winkler was a big-time gangster who had his fingerprints surgically altered so as not to be identifiable through fingerprint technology. He was part of Eagan's Rats gang and would participate in some of the most notorious crimes such as the St. Valentines Massacre in 1929.

When he moved up north, he met up with some of the world's famous gangsters like Al Capone, Roger Touhy, Fred Burke, and Bugsy Moran. But in 1933, to secure himself, he turned evidence against his friends and accomplices. But he was not to be safe for long, for he was gunned down by unknown assailants rumored to be ordered by Frank Nitti on October 9, 1933.

6 0
3 years ago
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