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Anna [14]
2 years ago
13

Which statement correctly describes a strand of DNA

Biology
2 answers:
Karo-lina-s [1.5K]2 years ago
5 0
A nucleic acid that carries the genetic information in cells and some viruses,
consisting of two long chains of nucleotides twisted into a double helix and 
joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. 
RoseWind [281]2 years ago
4 0
What are the statement options? 
You might be interested in
A wolf's diploid number of chromosomes is 78. How would the number of chromosomes in the wolf's body cells compare to the number
dimulka [17.4K]

Answer: The number of chromosomes in the wolf's body cells is 78 while the gametes has 39

Explanation:

Since each body cell under only mitosis to yield two daughter cells with equal number of chromosome as the parent cell (i.e diploid number, 2n) while sex cells undergo meiosis to yield four daughter cells with half the number of chromosomes as the parent cell (i.e haploid number, n); thus, the wolf's body cells has 78 chromosomes while the gametes has 39 chromosomes.

7 0
3 years ago
3. A geology student describes a rock sample she is studying in class. The rock
Katen [24]

Answer: B) Yes, if sedimentary rock is moved below Earth’s outer layer and exposed to energy from Earth’s interior, it can melt into liquid rock and form igneous rock.

HEYYY!! Hope this helps! :D

7 0
3 years ago
A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the followin
faust18 [17]

Answer:

Collagen genes.

Explanation:

Phylogenetics helps to study the evolutionary relationship among the different group of organisms. The different characteristics like DNA sequences, mitochondria sequences can be used for the construction of phylogeny tree.

Collagen genes can be used to study the evolutionary relationship as mammals contains nearly 30% of total protein. The collagen gene shows the most of the conserved sequences among the different group of organisms and shows the most recent evolved characters in vertebrates.

Thus, the correct answer is collagen genes.  

3 0
3 years ago
In which part of a cell does transcription take place
nadezda [96]
Will take place in the nucleus where the DNA is located
4 0
3 years ago
What is the base unit for measuring mass?
WARRIOR [948]

Answer:

kg

Explanation:

the base unit of mass is kilograms (kg)

8 0
3 years ago
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