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Vadim26 [7]
3 years ago
12

Other than shape, what characteristics are used to identify the various bacterial species?

Biology
1 answer:
Naddika [18.5K]3 years ago
5 0

Answer:

Explanation:

One major characteristic used to identify bacterial species is by Gram staining. This makes bacteria to be classified into two broad classes; Gram positive bacteria (appear purple after stain) and Gram negative bacteria (appear pink after stain).

Another characteristic used is the presence or absence of capsule.

Other characteristics include there motility (which can be due to the presence of flagella), bonding tendency (which can be individually or in pairs) and also pathogenic bacteria can be classified as intracellular or extracellular bacteria.

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RNA is produced by
Studentka2010 [4]

Answer:

Explanation:

rna is produced in the transcription stage of protein synthesis whereby complementary base pairing occurs

8 0
3 years ago
Circular rings of smooth muscle that can contract to regulate the movement of food through the gastrointestinal tract are called
yaroslaw [1]

Answer: Sphincter muscles

Explanation:

The circular rings of smooth muscles, that can contract to regulate the movement of the smooth muscles that can contract to regulate the movement  of food through the gastrointestinal tract are known as sphincter muscles.

These two layers are outer layer and inner layer. The outer layer is longitudinal and the inner layer is circular. They contract rhythmically to squeeze food.

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many prople try to eliminate fat from their diets. which is one reasom it is necessary for humans to eat fat​
Ira Lisetskai [31]

Explanation:

Fats are very important classes of food needed by the body. Excess fat is not good for the body.

The following are the reasons fats are essential for the body;

  • They provide energy for the body too.
  • Fats are good insulators helping to keep the body warm.
  • They help the body absorb vitamins because some vitamins are only soluble in fats.
  • They help in growing of the cell.

learn more:

Food brainly.com/question/8790597

#learnwithBrainly

6 0
3 years ago
Mitochondria are thought to have evolved from ancient bacteria. which characteristics of a free-living bacteria have mitochondri
olganol [36]

Mitochondria are thought to have evolved from ancient bacteria. Free-living bacteria have lost motility in mitochondria over time.

<h3>What is endosymbiosis?</h3>
  • Endosymbiosis is the term used when one organism truly lives inside the other. According to the endosymbiotic theory, it is simple for a big host cell and ingested bacteria to become dependent on one another for survival and develop a long-term bond.
  • Due to their increased specialization through millions of years of evolution, mitochondria and chloroplasts can no longer survive outside of cells.
  • Chloroplasts and mitochondria are remarkably similar to bacterial cells. They have unique DNA that is distinct from the DNA found in the cell's nucleus.
  • Additionally, these organelles synthesize numerous proteins and enzymes necessary for their functions using DNA. Both mitochondria and chloroplasts are surrounded by a double membrane, which is additional proof that each was ingested by a primitive host.
  • Similar to bacteria, the two organelles also divide by themselves and replicate their own DNA.

Learn more about the endosymbiosis with the help of the given link:

brainly.com/question/15829977

#SPJ4

4 0
1 year ago
What might happen when a Hox gene turns other genes on or off?
mote1985 [20]

Answer:

They can alter the phenotype of an organism

7 0
3 years ago
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