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
vazorg [7]
3 years ago
5

Explain in words the semi conservative model of DNA replication. In your answer make sure you include the end result and explain

why is it called semi conservative
Biology
1 answer:
kati45 [8]3 years ago
5 0
DNA replication is said to be semi-conservative because of this process of replication, where the resulting double helix is composed of both an old strand and a new strand. ... Semiconservative replication would produce two copies that each contained one of the original strands and one new strand.
You might be interested in
What cells in the body are most likely to have originated through the process of meiosis?
Sholpan [36]
Sexual reproduction cells. Or just sex cells
3 0
3 years ago
Arrange the order of events for the internalization of LDL particles into cells:
ElenaW [278]

Answer:

The correct answer is "5-1-3-2-4".

Explanation:

Internalization of LDL particles into cells, is needed to form the intracellular vesicles known as endosomes. The order of events that allow for this process are:

5) LDL receptors migrate to the cell surface and cluster in clathrin-coated pits. Clathrin acts directing the receptors to the cell membrane region where endosomes are formed.

1) A combination of cholesterol and apolipoprotein binds to LDL receptors and becomes internalized as endocytotic vesicles. Once the receptors are in the proper cell membrane region, cholesterol and apolipoprotein are bound and internalized.

3) Several endocytotic vesicles fuse to form an endosome.

2) The environment of the endosome becomes acidic, which causes the LDL to dissociate from its receptor; additionally, the endosome fuses with a lysosome. LDL should be dissociated from its receptor since it is going to be degraded in the following step.

4) The LDL particle is degraded by the lysosome. This takes place after endocytosis, when LDL particles are transported into lysosomes once they are fused, cleaving the cholesterol esters into cholesterol and fatty acids.

6 0
3 years ago
Which type of organism is responsible for performing the majority of nitrogen fixation..??
ratelena [41]

the answer is D. Bacteria

8 0
3 years ago
Read 2 more answers
Which of the following lists steps of mRNA production in eukaryotes in the correct order?A) 5' cap addition, addition of poly-A
Assoli18 [71]

Answer:

The correct answer is B) Transcription, 5' cap addition, addition of poly-A tail, exon splicing, passage through nuclear membrane.

Explanation:

The transcription process in eukaryotes takes place in the nucleus of the cell and after transcription post-transcriptional modification also takes place in the nucleus which is necessary to guide the mRNA out of the nucleus.

First, the process of transcription takes place in which DNA is transcribed to mRNA by an enzyme called RNA polymerase. After transcription post-transcriptional modifications takes place in the given order.

1. Capping: In capping process 7-methylguanosine is added by capping enzyme at 5' end of mRNA.

2. Polyadenylation: In polyadenylation, many poly-A residues are added at the 3' end of the mRNA called the poly-A tail.

3. Intron splicing: Introns are the non-coding sequence present in mRNA which are spliced out of mRNA and all exons are joined together.

After these post-transcriptional process, the mature mRNA is transported out of the nucleus through the nuclear membrane.

5 0
3 years ago
What is periderm and protoderm and where do they originate from in a new plant ?
Sati [7]
Periderm is the corky outer layer of a plant stem which the plant creates as a result of an injury or infection so as to protect itself further. Protoderm is the thin layer which covers embryos, as well as the root and stems, and later produces epidermis, which is the outer layer of tissue of plants (anywhere where periderm doesn't cover them).
7 0
3 years ago
Other questions:
  • UCP1 expression is increased specifically in adipose tissue. During glucagon signaling in adipose, what would be the fuel source
    14·1 answer
  • WHAT IS AN EVERYDAY EXAMPLE OF \"EXOCYTOSIS\"???? for example, mitochondrion creates energy so a household item or a 3D example
    11·1 answer
  • Unlike ionic bonds covalt bonds involvethe
    11·1 answer
  • How do the three types of colorblindness differ in genotype and phenotype?
    8·1 answer
  • Red-green color blindness is an X-linked recessive disorder. A woman with normal vision whose father was colorblind has children
    5·1 answer
  • Which organelles make up animal cells?
    8·1 answer
  • Tubes which deliver glucose to the plants are:
    15·1 answer
  • Get points!! type anything to answerr
    5·2 answers
  • The image below shows a club fungus. A club fungus has an erect, above-ground fruiting body and long, branching, underground hyp
    10·1 answer
  • What characteristics in a human pedigree suggest a mitochondrial location for a mutation affecting the trait
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!