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
erica [24]
2 years ago
12

Will upvote if answered

Biology
1 answer:
a_sh-v [17]2 years ago
8 0
False, only electrons do
You might be interested in
What type of antibody-like substance is used in the rapid plasma regain (RPR) card test
Kipish [7]

Answer:

reagin type antibody.

Explanation:

The rapid plasma reagin test is a test used to diagnose syphilis.

Syphilis is a sexually transmitted disease which is caused by treponema pallidum.

The rapid plasma reagin test is not for measuring the antibodies against actual bacteria but for measuring the antibodies formation due to material released because of  tissues damaged by treponema pallidum like IgG and IgM against lipodial materials which is released from damaged cells.

8 0
3 years ago
What do we call a genetic cross that follows two separate characters, such as pea seed color and pea seed shape?
Ad libitum [116K]

Answer:

Dihybrid cross

Explanation:

Whereas a monohybrid cross is a cross between two organisms that differ in a single trait, a dihybrid cross follows two traits.

It describes a mating experiment  in which the phenotypes of two genes are followed through to the offspring in order to study the inheritance at those genes

8 0
2 years ago
...............................
EastWind [94]
•••••••••••••••••••••••••••••
7 0
2 years ago
What is the point of DNA replication​
Degger [83]

Answer:

DNA replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell

Explanation:

DNA replication is the biological process in which two identical copies of DNA are produced from one original DNA molecule.

The steps involved in the process of DNA replication are as follows:

The first step in DNA replication is to ‘unzip’ the double-helix structure of the DNA molecule.

This is carried out by an enzyme called helicase which breaks the hydrogen bonds holding the complementary bases of DNA together (A with T, C with G).

The separation of the two single strands of DNA creates a ‘Y’ shape called a replication ‘fork’. The two separated strands will act as templates for making the new strands of DNA.

One of the strands is oriented in the 3’ to 5’ direction (towards the replication fork), this is the leading strand. The other strand is oriented in the 5’ to 3’ direction (away from the replication fork), this is the lagging strand. As a result of their different orientations, the two strands are replicated differently.

A short piece of RNA called a primer (produced by an enzyme called primase) comes along and binds to the end of the leading strand. The primer acts as the starting point for DNA synthesis. DNA polymerase binds to the leading strand and then ‘walks’ along it, adding new complementary nucleotide bases (A, C, G and T) to the strand of DNA in the 5’ to 3’ direction. This replication is continuous. Numerous RNA primers are made by the primase enzyme and bind at various points along the lagging strand.

Chunks of DNA, called Okazaki fragments, are then added to the lagging strand also in the 5’ to 3’ direction. This type of replication is called discontinuous as the Okazaki fragments are joined up later.

Once all of the bases are matched  (A with T, C with G) an enzyme called exonuclease strips away the primer(s).

The new strand is proofread to make sure there are no mistakes in the new DNA sequence.

Finally, an enzyme called DNA ligase seals up the sequence of DNA into two continuous double strands.

The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides. This is why DNA replication is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.

Following replication, the new DNA automatically winds up into a double helix

(b) DNA replication occurs in S phase of cell cycle in eukaryotes. If cell division is not followed after DNA replication then the replicated chromosomes (DNA) would not be distributed to daughter nuclei. A repeated replication of DNA without any cell division results in the accumulation of DNA inside the cell nucleus, leading to polyploidy.

7 0
2 years ago
Having chromosomes that contain an identical pair of genes for a particular trait
Lubov Fominskaja [6]

homologous chromosomes

4 0
3 years ago
Other questions:
  • POKEMON!!!!!!! Just kidding that ain't my question this is(it is school related moderators)
    11·2 answers
  • A polar cell moves between
    9·1 answer
  • The classification of anthropoid primates such as chimpanzees, gorillas, orangutans,
    12·1 answer
  • Three reasons why villi are ideal for absorption
    8·1 answer
  • This layer is comprised of the nearly invisible layers of gases that surround the planet A. the lithosphere B. the biosphere C.
    6·1 answer
  • Which of these is an example of how the ocean influences climate?
    11·1 answer
  • Which of the following statements is/are true concerning peptide bonds? They are the only covalent bond formed between amino aci
    8·1 answer
  • What is the subclass of Aldohexoses?
    14·1 answer
  • What does a sand shark look like?
    7·2 answers
  • Giving brainliest , only number one pls
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!