All categories

3 years ago

What are the similarities of the brain and the mitochondria?

Biology

1 answer:

rodikova [14]3 years ago

6 0

Answer:

hope you like it

Explanation:

The mitochondrial DNA is most similar to the genome of Rickettsia prowazekii; both have been described as small, highly derived, and "reduced and tailored to suit its dependent lifestyle " (Gray 1998). ... Generally, there are 2 to 10 copies of the DNA in each mitochondrion and many mitochondia in each cell.

Cellular components' strange shape may indicate a new role for mitochondria in the brain. Summary: New research suggests that mitochondria help neurons grow and make proper connections in the developing brain. The work could open up new lines of inquiry into may be at play when these processes go awry in brain disease.

You might be interested in

Fossils are ____

horsena [70]

Fossils are Remains Of Tracers Of Prehistoric Life

5 0

3 years ago

Read 2 more answers

Analyze the data about nitrogenous base content of DNA from various species. Percentages of Bases in Five Organisms Source of DN

Troyanec [42]

Answer:

When analyzing data on the nitrogenous base content of the DNA of various species, the claims are supported by the data:

In any one species, the amount of adenine closely approximates that of thymine.
In any one species, the amount of guanine closely approximates that of cytosine.
The amounts of A, T, G, and C in DNA varies from species to species.

(options A, B and D)

Explanation:

Organizing the data has to:

Source of DNA A T G C

Streptococcus 29.8 31.6 20.5 18.0

Yeast 31.3 32.9 18.7 17.1

Herring 27.8 27.5 22.2 22.6

Human 30.9 29.4 19.9 19.8

E. Coli 24.7 23.6 26.0 25.7

DNA is the molecule that contains the genetic information of each species, formed by sequences of nitrogenous bases Adenine, Thymine, Cytosine and Guanine.

Since Adenine and Thymine -as well as Cytosine and Guanina- are complementary, the percentage of them will be very similar in each DNA molecule.

The genetic information -which determines the physical and functional characteristics of each organism- is encoded in the DNA and is different for each species, so the percentages of nitrogenous bases vary from species to species.

5 0

3 years ago

Notice that most of the plants Muir came across in his journey were from the phylum Anthophyta. Why does it make sense that thos

svet-max [94.6K]

<h2>Phylum Anthophyta</h2>

Explanation:

Phylum Anthophyta is the phylum of flowering plants.

Bryophytes are group of seedless non-vascular plant.They are called the amphibians of plant kingdom because to complete their life cycle, they need both water and land.

Anthophyta are dominant group than the bryophyta because:

They have a well developed vascular system.

They have their seeds enclosed within fruits and protective sed coat that keep them viable for a long time.

8 0

3 years ago

Which of the following statements about gluconeogenesis in animal cells is true?

MakcuM [25]

Answer:

C. THE CONVERSION OF FRUCTOSE 1,6-BISPHOSPHATE to fructose- 6- phosphate is not catalyzed by phosphofructokinase -1, the enzyme involved in glycolysis.

Explanation:

This statement is true as the enzyme involved in this step is FRUCTOSE-1,6-BISPHOSPHATASE.

Gluconeogenesis is the coversion of non-carbohydrate molecules (lactic acid, amino acids, glycerol) through the pyruvic acid into glucose in the cells.

This process takes place mainly in the liver and occurs during periods of fasting, starvation, low carbohydrate diets.

The pathway of gluconeogenesis involves eleven steps of enzymatic catalyzed reactions.

In the conversion of fructose 1,6- bisphosphate to fructose-6-phosphate is catalyzed by fructose 1,6-bisphosphatase and not by phosphofructokinase -1 which is involved in glycolysis. This step is a rate-limiting step of the pathway.

The conversion of glucose-6-phospahte to glucose is not catalyzes by hexokinase but glucose -6- phosphatase.

7 0

3 years ago

During exercise how are the circulatory and respiratory system working together

____ [38]

Answer:

The cardio-respiratory system works together to get oxygen to the working muscles and remove carbon dioxide from the body. During exercise the muscles need more oxygen in order to contract and they produce more carbon dioxide as a waste product.

Explanation:

6 0

3 years ago