1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Tcecarenko [31]
3 years ago
12

Discuss the three theoretical models which describes structure of the DNA and describe the semi conservative replication of the

DNA double helix structure. Furthermore, explain the differences between prokaryotic and eukaryotic DNA replication
Biology
1 answer:
sattari [20]3 years ago
3 0

Answer:

Three theoretical models for the replication of DNA had been proposed in the past. Out of these, the method of semi-conservative replication is most widely accepted.

Conservative replication: In this method, no DNA unwinding takes place. The parent DNA gives rise to daughter DNA.

Dispersive Method: In this method, the chains in the DNA molecule break and recombination occurs randomly. The daughter and parent strands will have segments of recombinant DNA.

Semi- conservative: In this method, the two strands of the double helix unwind. Each strand acts as a template for the synthesis of a new strand.

DNA replication is more complex in eukaryotes as compared to prokaryotes. Prokaryotes have a single point of origin from where the replication begins. Eukaryotes have multiple points of origin. Eukaryotic cells have a unidirectional method of replication whereas prokaryotes do not. Prokaryotes just have two polymerases whereas eukaryotes have more than four. The replication rate is faster in prokaryotes.

You might be interested in
What is coal used for
kozerog [31]

Answer: Coal is primarily used as fuel to generate electric power in the United States. In coal-fired power plants, bituminous coal, subbituminous coal, or lignite is burned. The heat produced by the combustion of the coal is used to convert water into high-pressure steam, which drives a turbine, which produces electricity.

Explanation:

6 0
3 years ago
1. a polysaccharide-based substance that forms the exoskeleton of arthropods.
AleksAgata [21]
#1 is chitin. #2 is Embryo. #3 is Gestration Period. #4 is Gonad. #5 is Hydroskeleten. #6 is Larva.
7 0
3 years ago
When a mouse eats grass only 10% of the energy from the plant is transferred to the mouse what happens to the other 90%
Mars2501 [29]
It’s possible the other 90% was excreted ? Because a lot of the energy may not be useful to the mouse’s system. ... hmmm. That’s all I could think of, sorry I can’t be a better help ;w;
3 0
4 years ago
Water can absorb more heat than land, but water does not increase in temperature as fast because it has a high
slega [8]
Because it has a high alttitude
5 0
3 years ago
Other nutrients will require a transporter in the membrane, as well as a concentration gradient. This process of ____________ is
Savatey [412]

Answer:

Facilitated diffusion

Explanation:

Facilitated diffusion is the process of diffusion in which ion or some substances are transported across the membrane by a specific carrier membrane protein. The process does not require the input of energy and is driven by a concentration gradient.  

The absorption of simple sugars in small intestine occurs through facilitated diffusion. The polar sugar molecules can not cross the nonpolar inner core of the membrane. Hence, the membrane proteins transport the sugars down the concentration gradients without any input of energy.  

3 0
3 years ago
Other questions:
  • Describe where in the cell starch grains are found.
    5·1 answer
  • Which of the following are likely to occur as global temperatures rise?
    6·1 answer
  • What is the signifiance of the baby doe case?
    12·1 answer
  • A genetic disorder that causes muscle weakness is _____. Group of answer choices muscular dystrophy myasthenia gravis fibromyalg
    13·1 answer
  • While assessing a 35-year-old patient, the nurse hears a vascular sound between the xiphoid process and the umbilicus. what can
    10·1 answer
  • Does anyone know what to do?
    10·2 answers
  • Why must you use the same number of beads when you construct the second chromosome in Step 1?
    14·1 answer
  • What are the function of the ribosomes?
    10·2 answers
  • PLEASE HELP
    9·1 answer
  • Which of the following is not an example of energy transformations in an ecosystem? a. sunlight driving photosynthesis in plants
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!