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tangare [24]
2 years ago
5

HELP ASAP PLEASE!!!

Biology
1 answer:
Shalnov [3]2 years ago
6 0
1. to repair damaged cells
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Tau is a microtubule-associated protein that plays a key role in the development of certain brain disorders. To analyze Tau expr
telo118 [61]

Answer:

1. transcription of Tau DNA in different directions.

4. different chemical modifications of Tau protein.

Explanation:

Tau gene transcribe in different direction which depends upon the animal age. This happens because at different age and developmental stage, animal produce different RNA binding proteins which leads to formation of alternative splice forms. This reaction is strengthen by the addition of phosphate and sugar molecules which again depending on developmental stage and time.

8 0
2 years ago
What does a cladogram tell us?
Anton [14]
A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms. ... These branching off points represent a hypothetical ancestor (not an actual entity) which can be inferred to exhibit the traits shared among the terminal taxa above it.
4 0
2 years ago
A diploid nucleus of Drosophila melanogaster contains about 3.4 x 108 nucleotide pairs. Assume (1) that all nuclear DNA is packa
Olin [163]

Answer:

nucleosomes = 1.65 x 10^6

H2a = 3.3 x 10^6 molecules

H2b = 3.3 x 10^6 molecules

H3 = 3.3 x 10^6 molecules

H4 = 3.3 x 10^6 molecules

Explanation:

It was mentioned in the book Principles of Genetics  By D. Peter Snustad, Michael J. Simmons that in the nucleus of <em>D. melanogaster </em>there will be 1.65 x 10^6 nucleosomes and 3.3 x 10^6 molecules of every type of histone i.e. H2a, H2b, H3, and H4 present in it.

3 0
3 years ago
At a point during a cell's development, it begins to differentiate. How does differentiation occur?
ankoles [38]
Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
5 0
2 years ago
Please and thank youuuuuu<br><br><br> sorry thats how it came
Marizza181 [45]

Answer:

40: 3

41: 1

Explanation:

40: When trying to achieve a better or sharper image on a microscope, the part of the microscope that needs to be adjusted is the "fine focus" which is responsible for better/sharper image by either moving the stage or the eyepiece. The fine focus is labelled C in the image.

41: Chromosomes contain hereditary materials (genes) that are responsible for an organism's trait. All organisms have their individual genetic materials in their cells and in the case of the onion cells, it's genetic materials (genes) are stored in the chromosomes hence it is important the cells have these chromosomes. Thus, the correct option is 1

7 0
2 years ago
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