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
Dafna1 [17]
2 years ago
9

Lymphocytes are specialized ________________cells.

Biology
1 answer:
meriva2 years ago
7 0

lymphocytes are specialized T cell ,B cell, and natural killer cell .

these cells are distinguished from other lymphocytes by a protein on their surface known as the B cell receptor .these protein is specialized to recognize and attach to specific antigens.

You might be interested in
What nitrogen base is found on RNA but not DNA?
kumpel [21]
DNA<span> and </span>RNA<span> are both comprised of nucleotides that bind to a sugar backbone. The </span>DNA<span> nucleotide </span>bases<span> include adenine, cytosine, guanine and thymine. The </span>RNA <span>nucleotide </span>bases<span> include adenine, uracil, guanine and cytosine.</span>
8 0
3 years ago
Read 2 more answers
What is the difference between cleavage Furrough and cell plate
elena-s [515]
What is the difference between a cell plate formation and a cleavage furrowformation? Cell plate formation occurs during cell division in plants whereascleavage furrow form during celldivision in animal cells. Cell plate andcleavage furrow appears in the middle of cell.
5 0
3 years ago
Biotechnology has allowed us to genetically modify corn with a gene that acts as a pesticide. What could be a possible environme
Sergio [31]
<span>Since a gene that acts as a pesticide is inserted into a corn, that corn is now safe from insects. This will happen because the corn will probably synthesise protein according to that inserted DNA sequence and that protein will serve as a repellent to the insects. However, the Red Queen's hypothesis in evolution explains that organisms must constantly adapt and evolve in order to survive. This refers to insects. If they could not eat genetically modified corn, they would extinct. So, they must adapt or evolve in order to survive. So, it is expected that insects that are resistant to this specific pesticide would develop through the time.</span>
4 0
3 years ago
Renewable resources _____.
Brrunno [24]

the answer would be A Do not run out because they are renewable


3 0
3 years ago
DNA Polymerase helps copy a DNA molecule during the process of what?
PtichkaEL [24]
The DNA polymerases are enzymes that create DNA molecules by assembling nucleotides, the building blocks of DNA. These enzymes are essential to DNA replication and usually work in pairs to create two identical DNA strands from one original DNA molecule. During this process, DNA polymerase “reads” the existing DNA strands to create two new strands that match the existing ones.

Every time a cell divides, DNA polymerase is required to help duplicate the cell’s DNA, so that a copy of the original DNA molecule can be passed to each of the daughter cells. In this way, genetic information is transmitted from generation to generation.

Before replication can take place, an enzyme called helicase unwinds the DNA molecule from its tightly woven form. This opens up or “unzips” the double stranded DNA to give two single strands of DNA that can be used as templates for replication.

DNA polymerase adds new free nucleotides to the 3’ end of the newly-forming strand, elongating it in a 5’ to 3’ direction. However, DNA polymerase cannot begin the formation of this new chain on its own and can only add nucleotides to a pre-existing 3'-OH group. A primer is therefore needed, at which nucleotides can be added. Primers are usually composed of RNA and DNA bases and the first two bases are always RNA. These primers are made by another enzyme called primase.

Although the function of DNA polymerase is highly accurate, a mistake is made for about one in every billion base pairs copied. The DNA is therefore “proofread” by DNA polymerase after it has been copied so that misplaced base pairs can be corrected. This preserves the integrity of the original DNA strand that is passed onto the daughter cells.



A surface representation of human DNA polymerase β (Pol β), a central enzyme in the base excision repair (BER) pathway. Image Credit: niehs.nih.gov

Structure of DNA polymerase

The structure of DNA polymerase is highly conserved, meaning their catalytic subunits vary very little from one species to another, irrespective of how their domains are structured. This highly conserved structure usually indicates that the cellular functions they perform are crucial and irreplaceable and therefore require rigid maintenance to ensure their evolutionary advantage.

7 0
3 years ago
Other questions:
  • Why is photosynthesis important to both producers and consumers?
    14·1 answer
  • Which organisms contain Nucleic Acids? Check all that apply.
    15·2 answers
  • In which of the lobes of the cerebrum is the somatosensory cortex located?
    11·1 answer
  • Why does secondary succession occur faster than primary succession?
    10·1 answer
  • The genotype represents _____. a paired combination of genes either a dominant or recessive gene a given phenotype two alleles
    15·2 answers
  • What is removed from pyruvate during its conversion into an acetyl group?
    5·1 answer
  • Compare the hazards (ultraviolet waves, X-rays, Gamma rays)
    12·1 answer
  • What type of molecule is hemoglobin
    5·1 answer
  • Oil _____.
    11·1 answer
  • What is translation in biology
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!