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
Nana76 [90]
3 years ago
14

When dna begins to replicate, two strands of the dna helix are separated, forming a replication bubble. at each end of the bubbl

e is a replication fork. this activity will help you to become familiar with the roles of key structures at the replication fork?
Biology
1 answer:
Alekssandra [29.7K]3 years ago
7 0

During the process of replication, the double stranded DNA unwinds and parts itself by the action of enzyme called as Helicase. The unwinding or separation of DNA forms a replication bubble and at the edge of the replication bubble is the replication fork.

DNA replication starts at the point called as origin of replication or ORI at the replication fork. DNA polymerase is the enzyme that plays a key role in DNA replication. DNA continues to replicate until the entire new strand is not formed.

You might be interested in
Which of the following is NOT a tissue found in the stem?
Leno4ka [110]
It’s stele if you go to quizlet for ANATOMY OF PLANTS you find more of your answers
8 0
3 years ago
Which best describes how energy from the sun helps to maintain life on Earth?
xeze [42]

Answer:

without the sun we probably be freezing that's why we need the son it keeps us warm and the sun gives use radiation energy which could help us power things.

Explanation:

5 0
3 years ago
______ is a discipline of study that involves an examination of proteins and how the proteins encoded by genes interact to produ
Andrej [43]

The answer is Proteomics.

<u>Proteomics</u> is a discipline of study that involves an examination of proteins and how the proteins encoded by genes interact to produce cell and tissue types.

What is Proteomics?

The extensive study of proteomes is known as proteomics. An organism, system, or biological setting produces a set of proteins known as a proteome. We might speak of an organ or a species' proteome (like that of Homo sapiens) (for example, the liver). The proteome is dynamic; it varies from cell to cell and alterations occur over time. The underlying transcriptome is somewhat reflected in the proteome. However, in addition to the relevant gene's expression level, a number of other factors also affect protein activity, which is frequently measured by the rate at which the processes in which the protein is engaged react.

Proteomics is employed to look into:

  • When and where do proteins expressed.
  • rates of protein synthesis, degradation, and abundance at steady state.
  • how proteins are altered, for as by phosphorylation and other post-translational modifications (PTMs).
  • the transfer of proteins among subcellular spaces.
  • protein involvement in metabolic processes.
  • what interactions proteins have with one another.

To know more about Proteomics click on the link below:

brainly.com/question/14138798

#SPJ4

5 0
1 year ago
proteins need to be denatured using an anionic detergent such as sds before gel electrophoresis because: select all that apply.
grandymaker [24]

The majority of proteins contain a uniform positive charge, and a uniform neutral charge, and most proteins have intricate three-dimensional structures that might affect how well they travel through the gel electrophoresis. For these reasons, proteins need to be denatured. Here, the right answers are A, B, and D.

Protein separation is accomplished using a molecular technique called sodium dodecyl sulfate-polyacrylamide gel electrophoresis, which operates in the proximity of an electric charge. Proteins are separated using SDS-PAGE according to their electrophoretic mobility. Protein charge, shape, and structure all affect electrophoretic mobility.

To proceed in the direction of the positive terminal, the protein molecules need to have a constant negative charge (anode). The overall charge of a protein is determined by the amino acid content of the protein as well as the charge of the individual amino acids.

Thus, depending on the total makeup of amino acids, the charge may change. Depending on the ratio of different amino acids, the total charge of the proteins can be positive, negative, or neutral. The SDS treatment gives the proteins a consistent, negative charge. Then, according to size, the negatively charged amino acids flow toward the positive terminal.

Complete question:

Proteins need to be denatured using an anionic detergent such as SDS before gel electrophoresis because: Select all that apply.

A - most proteins have a uniform positive charge

B - most proteins have complex three-dimensional structures that can impact their movement through the gel

C - the overall charge of a protein depends on the amino acid composition of the protein and can vary greatly

D - most proteins have a uniform neutral charge

To learn more about gel electrophoresis

brainly.com/question/9437877

#SPJ4

8 0
1 year ago
Each section of DNA that is used to make proteins is called a​
stealth61 [152]

Answer:

genes

Explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • ?in the time between meals, what organ releases glucose to help maintain normal blood glucose levels
    6·1 answer
  • The nurse is assisting the physician with a procedure to remove ascitic fluid from a client with cirrhosis. what procedure does
    6·1 answer
  • Which of the following adaptations would help a tree-dwelling nocturnal scavenger survive in its environment?
    7·2 answers
  • Which of the following can be said about the use of agriculture
    8·1 answer
  • Lipophilic hormones function by activating cAMP.
    15·1 answer
  • Which of the following best explains how human activities can directly contribute to landslides
    6·1 answer
  • In a plant, leaf color and leaf shape are controlled by two linked genes Leaves of the wild-type plant are red. A recessive muta
    5·1 answer
  • 1. Predict: Suppose that a virus infects a small population of bacteria. Predict how the numbers of viruses, infected cells, and
    15·1 answer
  • What are 5 quantitative observations for a snake plant )the plant shown in the image)
    6·1 answer
  • Choose ALL of the phases of matter listed<br> that are able to flow:<br> gas<br> liquid<br> solid
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!