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allochka39001 [22]
3 years ago
5

It is important to remove any big air bubbles from the microtubes prior to incubation. Otherwise, the bubbles could:_______.

Biology
1 answer:
Oksi-84 [34.3K]3 years ago
6 0

Answer:

b. alter rehydration of the media

Explanation:

Working in a laboratory implies to know that the air bubbles generally have important negative effects on an experiment, thus being imperative to eliminate them. The air bubbles interfere with several biological experimental procedures including, among others, medium preparation, membrane blotting, chromatography procedures, agar plate, enzyme reactions, running gels, etc. For example, bubbles prevent the cells from attaching to the medium surface, thereby leading to irregular cell growth.

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based on hierarchical organization, place the living systems in order from smallest to largest. blue wildebeest. blue wildebeest
Sunny_sXe [5.5K]

The correct answer is:

1 - Blue wildebeest (Connochaetes taurinus)

2 - Blue wildebeests

3 - Blue wildebeests and Black wildebeests

4 - Blue wildebeests, Black wildebeests, crocodiles, acacia trees

5 - Maasai Mara

A hierarchical organization is an organizational structure where every component of the organization is subordinate to some other component.


8 0
3 years ago
A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the oute
pickupchik [31]
It contains cellulose.
4 0
3 years ago
Read 2 more answers
As a river approaches the ocean, the water speed_______ and<br> sediments are__________
kkurt [141]

Answer:

Increases, deposited

Explanation:

water speed increases and the sediments are deposited

6 0
3 years ago
What must happen to the agent of erosion (wind or water) in order for deposition to occur?
Gnoma [55]

I am pretty sure that it is D

With decomposition, the final deposition of particles(sediments) usually occurs at the mouth of a stream. Then a process called horizontal sorting occurs where the sediments that were once carried down are arranged from big to small. Decomposition in streams takes time so the speed of the water and wind should not affect it nor should gravity or the direction. Streams cannot change direction either unless human involement occurs

Hope this helps :)

8 0
3 years ago
What structure brings tRNA and mRNA together
tester [92]
Translation requires some specialized equipment. Just as you wouldn't go to play tennis without your racket and ball, so a cell couldn't translate an mRNA into a protein without two pieces of molecular gear: ribosomes and tRNAs.<span>Ribosomes provide a structure in which translation can take place. They also catalyze the reaction that links amino acids to make a new protein.</span><span>tRNAs (transfer RNAs) carry amino acids to the ribosome. They act as "bridges," matching a codon in an mRNA with the amino acid it codes for.</span>Here, we’ll take a closer look at ribosomes and tRNAs. If you're not yet familiar with RNA (which stands for ribonucleic acid), I highly recommend checking out the nucleic acids section first so you can get the most out of this article!Ribosomes: Where the translation happensTranslation takes place inside structures called ribosomes, which are made of RNA and protein. Ribosomes organize translation and catalyze the reaction that joins amino acids to make a protein chain.
8 0
3 years ago
Read 2 more answers
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