The key players in DNA replication are enzymes. These enzymes are helicase, primase, DNA polymerase, and ligase.
What is the role of enzymes in DNA replication?At the replication fork, the enzymes responsible for DNA replication work in concert to simultaneously synthesize the DNA's leading and lagging strands. The replication DNA polymerases (Polymerase III in E. coli) produce dimers to complete this activity.
The enzyme DNA polymerase, also referred to as DNA pol, is one of the main players. DNA pol I, DNA pol II, and DNA pol III are the three primary forms of DNA polymerases found in bacteria.
DNA pol III is currently understood to be the enzyme needed for DNA synthesis, whereas DNA pol I and DNA pol II are mostly needed for repair.
Therefore, the key players in DNA replication are enzymes. These enzymes are helicase, primase, DNA polymerase, and ligase.
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Whoever answers I will mark brainlest
Answer:
Anaphase and Prophase
Explanation:
Wave able to travel through only through solids, moves in a side to side or
up down motion, slow
P-wave
Q -wave
R-wave
S-wave
Answer:
S-Wave
Explanation:
S-Waves are only able to travel through solids, and are known for moving in a side to side or up and down.
Let me know if this helps!
These organisms can be microscopic, or they can be quite large, as in giant kelp.
A. Viruses
B. Virons
C. Proteins
D. Protists
Answer:
Protists
Explanation:
Kelp is not a plant. It is a brown alga and is part of the large kingdom of life known as the Protista.
HELP ME PLSS and thank you!!
Answer:
either a or d but not to sure
Explanation:
Why are some genes expressed (turned on) and some genes not expressed (turned off) in a cell?
Answer:
some genes can funtion on their own
Explanation:
Question 24 of 35
Which two statements describe the Mesozoic era?
A. Most of Earth's history took place within this time.
B. Plants began to colonize land during this era.
C. It is also known as the Age of Reptiles.
D. It lasted from about 250 million years ago to 70 million years ago.
Answer:
A
Explanation:
A because a meteor hit when the dinos were alive
PLEASE DO NOT COPY OFF ANY WEBSITES ANSWER IN YOUR OWN WORDS
Why have organisms evolved to have vestigial body parts?
Answer:
Structures that have lost their use through evolution are called vestigial structures. They provide evidence for evolution because they suggest that an organism changed from using the structure to not using the structure, or using it for a different purpose..
Hope it will help :)
Explanation:
when do you think friction can be helpful ? try to think of a situation friction is necessary
Answer:
friction stops tyres skidding in the road and prevents shoes slipping on the pavement .it grips the ground a prevent sliding
When we talk about soil depletion, which soil horizon is affected?
Answer:
surface horizon (A)
Explanation:
Where is the sugar-phosphate backbone located in the DNA double helix?
Answer:
If you look at a DNA double helix, it resembles a twisted ladder. The “sides” of the ladder (or strands of DNA) are known as the sugar-phosphate backbone.
Answer:
thats a good qustion
Explanation:
What stage of photosynthesis uses
carbon dioxide to make glucose?
A. Light reactions
B. Calvin Cycle
C. ATP synthesis
D. Cellular respiration
Answer:
Calvin Cycle
Explanation:
The Calvin cycle takes over where the light reactions end. It uses chemical energy stored in ATP and NADPH (from the light reactions) and carbon dioxide from the air to produce glucose, the molecule that virtually all organisms use for food.
What type of rock is formed when hot lava is cool and hardened
Answer:
A. Igneous
Explanation:
what organisms is unicellular? answered already!!!!
Answer:
hope you got the answer
Explanation:
Explain how ships transport invasive species in the ballast?
Answer:
Larger ships transport invasive species in their ballast water, while fouling organisms such as barnacles, seaweeds and mussels can move from one location to another by hitching, a ride on a boat, on items you use in the water and even your clothes
Which element of an original work can be changed in an adaptation? Theme. Story. Setting. Main idea.
Answer: setting
Explanation:
1.what is considered as the building block of nature? ____________
2.are all cells multicellular? support your answer.___________
3.give an example of unicellular organism._____________
4.differentiate a unicellular organism from a multicellular organism._________________
5.can there be tissues,organs and systems without cells? support your answer._____________
Describe the northern and southern hemisphere in terms of the distribution of the cryosphere
Answer:
The cryosphere is the portion of the Earth's surface where water is in solid form. It thus includes sea ice, lake ice and river-ice, snow cover, glaciers, ice caps and ice sheets, and frozen ground. The snow cover has the largest extent, with a maximum area of more than 45 106 km2 (Table 1.1). Because of the present distribution of continents, land surfaces at high latitudes are much larger in the Northern Hemisphere than in the Southern Hemisphere. As a consequence, the large majority of the snow cover is located in the Northern Hemisphere (Figs. 1.15 and 1.16). The same is true for the freshwater ice that forms on rivers and lakes in winter. Both the snow cover and freshwater ice have a very strong seasonal cycle, as they nearly disappear in summer in both hemispheres (Table 1.1).
Explanation:
The cryosphere is the portion of the Earth's surface where water is in solid form. ... Because of the present distribution of continents, land surfaces at high latitudes are much larger in the Northern Hemisphere than in the Southern Hemisphere.
Which atom is involved in giving your heart energy to beat?
carbon
O gold
o oxygen
Tron
Answer:
hello
Explanation:
your answer of this question is oxygen
Answer:
OXYGEN!!
Explanation:
Oxygen is involved in giving your heart energy to beat.
Negative feedback:If oxygen levels are low,then respiration should
A. Increase
B. Decrease
Answer:
increase..................
Name of the disease
How is it acquired/mode of transmission/cause(s) of the disease?
Who does it affect? Elderly, the young?
How is it diagnosed?
Is there treatment for it? If yes, please give details as to what treatment is recommended and for how long? Be specific, are there medication or dietary changes involved?
How long is the treatment for?
Is any surgery involve? If so, what kind?
What is the typical outcome of the treatment?
Can the disease be preventable?
What can be expected long term from the disease?
Help
Answer:
6520999090009899999999
How is the age of the earth used as evidence of evolution?
Answer:
Explanation:
All radiometric evidence points to the age of the Earth as about 4.54 billion years old. The old age of the Earth is evidence for evolution, a change in the genetic makeup of a population over time.
Answer:
The age of the earth can be used as evidence of evolution because it withholds the past that we are capable of uncovering bit by bit. We excavate fossils buried in the ground which we use accordingly. The fossil record reveals that the deeper you go, the farther back in history you unearth. This is known as the Law of Superposition. With these fossils, we can compare and contrast the anatomy of closely related organisms and possibly uncover vestigial structures. All of which is evidence that evolution has taken place.
A benefit of GMO is that...?
A) they are creating super bugs
B) they are producing more crops
C) there is not enough research
D) there are changing natural ecology
Answer:
B) They are producing more crops
Explanation:
GMOs are designed to increase crop productivity because of supply and demand, which in turn makes the supplier more money, and more happy people/companies that buy the crop. Additionally, the other answer choices would be considered bad traits.
What is plant tissue culture.Please answer.
Answer:
Plant tissue culture is a collection of techniques used to maintain or grow plant cells, tissues or organs under sterile conditions on a nutrient culture medium of known composition. It is widely used to produce clones of a plant in a method known as micropropagation.
Where would a frameshift mutation cause the most damage?
Near the very end of the gene
Near the beginning of the gene
Near the center of the gene
All frameshift mutations are equal
Answer:
All frameshift mutations are equal
Explanation:
Frameshift mutation is a type of mutation caused by insertion or deletion of nucleotide base(s) in a genetic sequence causing that sequence to be read in a different way from what was originally planned.
The bases in the sequence of a gene is read in three's (codon), however, when one or more bases is added (insertion) or removed (deleted), the reading frame is altered causing the sequence to be read in a completely different order that can result in a protein that is non-functional.
However, FRAMESHIFT MUTATION is so potent that it affects the sequence no matter where it occurs. In other words, the effect of all frameshift mutations are equal.
What effect does a higher percentage of the compact bone portion have a upon the weight of the bone?
Answer:
The bone weights more as the bone's thickness is wider for a compacter bone.
Explanation:
Compact, sometimes called cortical bone, thick bone with firm organic soil and inorganic salt in the ossic matrix leaving only narrow gaps in which the osteocytes or bone cells are present. The bone is sometimes called the cortical bone.
Answer:
The bone weighs more as its thickness grows wider, causing a more compact bone.
Explanation:
If you are doing ap ex I suggest reading the introduction of the lab and procedure carefully, it helps. :)
Nitrogen bases pair with bases that are...
available
complementary
complementary and identical
identical
Nitrogenous bases basically pairs with bases that are complementary. The correct option is B.
What are nitrogenous bases?Nucleobases, also referred to as nitrogenous bases or purely bases, are nitrogen-containing biological molecules that form nucleosides, which are then constituents of nucleotides, all of which are the basic building boxes of nucleic acids.
A set of 5 nitrogenous bases is used to build nucleotides, which then in results nucleic acids such as DNA and RNA.
These bases are critical because their sequencing in DNA and RNA is how information is stored.
A base pair in DNA are complementary to each other. Under normal conditions, the nitrogen-containing bases adenine (A) and thymine (T) pair, whilst also cytosine (C) and guanine (G) pair.
The structure of DNA is formed by the binding of these base pairs.
Thus, the correct option is B.
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please help if anyone knows:)
Answer:
Hi! I think that it is D. I am not 100% sure on it though so I'm so sorry if thats
wrong. Hope this helps though!
Construct an argument. Do you believe it's ethical or unethical to artificially select traits in plants and or animals? Provide evidenco to suoport your claims. It doesn't matter what side you chose, but I need it asap.I will give you any mark you want.
Answer:
I believe its ethical to artificially select traits in plants.
Explanation:
This is my opinion
Answer:
I believe its ethical to artificially select traits in plants.
Explanation:
my opinion
How does inorganic nitrogen from the atmosphere
(N2) get into living systems?
Answer:
When an organism excretes or dies, nitrogen is in the form of organic nitrogen in its tissues (e.g. amino acids, DNA). During the ammonification process, many fungi and prokaryotes then break the tissue down and release inorganic Nitrogen into the atmosphere as ammonia.
Explanation:
Plants use their roots for nitrogen compounds. When they consume the seeds, animals acquire certain chemicals. When plants and livestock die, or animals excrete waste, the organic nitrogen compounds return to the soil, where microorganisms known as decomposers break down their compounds.
Water can travel upwards in the small tubes within plants. This is:
A. Surface Tension
B. Adhesion
C. Cohesion
D. Capillary Action
Answer:
D i think maybe right not sure
Answer:
D. Capillary action
Explanation:
Capillary action is defined as "the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension." All of the other answers are technically right because they are all present when the water is traveling upward, but Capillary Action is the most correct answer provided because it is the description of what is hapeneing as a whole.
