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Nastasia [14]
2 years ago
12

Two dogs–a boxer and a poodle–were the first to have their entire genomes sequenced. The dog genome contains 2.8 billion2.8 bill

ion base pairs across 3939 pairs of chromosomes. They have 19,00019,000 protein-coding genes, most of them with close counterparts in other mammals, including humans. What is the total number of chromosomes in a dog?
Biology
1 answer:
12345 [234]2 years ago
5 0

Answer:

78 chromosomes

Explanation:

Since the number of chromosomes in a dog are diploid, we have 2n chromosomes where n = number of chromosome pairs.

Since n = 39.

The number of chromosomes is 2n = 2 × 39 = 78 chromosomes

So, a dog has 78 chromosomes.

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The study of early development of organisms is called
inysia [295]

The study of early development of organisms is called embryology.

hope this helped, please mark brainliest :)

8 0
2 years ago
In the polymerization of DNA, a phosphodiester bond is formed between a phosphate group of the nucleotide being added and which
valina [46]

Answer: B

Explanation:

During polymerization of nucleotides to form nucleic acids, the hydroxyl group on the phosphate group attaches to the 3’ carbon of a sugar of one nucleotide to form an ester bond to the phosphate of another nucleotide. The reaction forms a phosphodiester linkage and eliminates a water molecule.

The DNA strands generally runs from 5 prime to 3 prime direction.

4 0
3 years ago
The substance dichlorophenyldimethylurea (DCMUDCMU) is an herbicide that inhibits photosynthesis by blocking electron transfer b
mario62 [17]

Answer:

No

Explanation:

During cyclic photophosphorylation, electrons are cycled continuously out of and back into the reaction center of PSI. It does not involve PSII and plastoquinone. During non cyclic photophosphorylation, the reaction center of plant photosystem II passes electrons to plastoquinone. The reduced plastoquinone carries electrons to the cytochrome b6f complex. Since PSII and plastoquinones are not included in cyclic photophosphorylation, dichlorophenyldimethylurea would not affect the process.  

5 0
3 years ago
proteins are used for many structural functions such as in the acting and myosin in muscle or as a part of the cytoskeleton scaf
Mkey [24]

Answer:

There are different types of proteins present which are made of amino acid sub-units. Proteins play various important functions in an organism's body. Some of these functions are:

  • Growth and maintenance of cells and individuals.
  • Antibodies are proteins which provide immunity.
  • Enzymes are proteins which catalyze different reactions.
  • Many proteins allow movement of substances inside and outside of the cell membrane. They are known as carrier proteins.
  • Many proteins serve as structural proteins.
5 0
3 years ago
when you rub your hand together,you produce a little heat.describe the flow of energy that causes the heat to be produced.use te
alekssr [168]
The flow of energy starts in in you arms. You put your hands together, and use your arms to move your hands back and forth, this is kinetic energy. Your hands rubbing together causes the molecules to bump into each other, this is friction. As the molecules bump into each other they begin to move faster, and the fast movements of the molecules is what creates heat.
3 0
2 years ago
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