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Kaylis [27]
3 years ago
13

As you observe an unknown cell under a microscope, you make the following observations:

Biology
1 answer:
DedPeter [7]3 years ago
8 0

Answer: it is probably a plant cell because it has a cell wall and chloroplasts.

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Which of the following represents the number of premolars in deciduous dentition of teeth in humans?
hammer [34]

The correct answer is E. 0

Explanation:

The deciduous dentition or baby teeth refer to the first set of teeth human have before the permanent teeth, these teeth are prevalent during infancy and include 20 teeth: 4 central incisors, 4 lateral incisors, 4 canines and 8 molars divided into 4 primary molars and 4 secondary ones. In the case of premolars, these are part of permanent teeth but not of deciduous teeth as they only appear after deciduous teeth begin being replaced and these replace the molars in deciduous dentition. Thus, the number of premolars in deciduous dentition in humans is 0.

8 0
3 years ago
State one reason why an individual’s pulse rate increased during exercise.
shusha [124]
Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration
4 0
3 years ago
One way the body fights invaders is by increasing the body temperature, or running a fever. Give a brief explanation as
goldfiish [28.3K]

Answer:

It can work against some viruses or bacteria by sweating out the invaders.

Explanation:

5 0
3 years ago
Please Answer Quick!!! 2. How are the three mutated strands similar to each other?
insens350 [35]

Answer:

they are both long

Explanation:

i had this question yesterday

5 0
3 years ago
Read 2 more answers
What is the concentration of a suspension that grew 89 colonies on a plate with a dilution of 1:100?
mafiozo [28]

Answer:

8900 CFU/mL

Explanation:

Colony Forming Units (CFU) is a value that indicates the degree of microbiological contamination of an environment. It expresses the relative number of microorganisms of a given taxon in a volume of one cubic meter of water.

UFC is the minimum number of separable cells on the surface, or inside, of a semi-solid agar medium that results in the development of a visible colony of the order of tens of millions of descending cells. The CFUs can be pairs, chains or clusters, as well as individual cells. Colony forming unit.

Calculation

Colonies * Dilution = CFU/mL

89          *  (100/ 1 mL) = CFU/mL

8900 CFU/mL

3 0
3 years ago
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