A DNA molecule is the molecule which carries genetic information for the development of an organism.
What is DNA?Your information is incomplete. Therefore, an overview of DNA will be given. DNA simply means an organic material that contains genetic information.
DNA is found in the cells of every organism and is a key part of reproduction where genetic heredity occurs.
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Answer:
A, B,C,D
Explanation:
i just did it on usatestprep
Which statement describing the cells in a body system is correct?
a. Each cell in the system is identical to the other cells in the system, and each cell works
independently of the other cells.
b. Some cells in the system may be different from the other cells in the system, but all cells are
coordinated and work together.
c. Each cell in the system is different from the other cells in the system, and each cell works
independently of the other cells.
d. All cells in the system are identical to each other and work together.
The statement some cells in the system may be different from the other cells in the system, but all cells are coordinated and work together correctly describe the cells in a body system (Option b).
What is a body system?A body system is a group of cells in a multicellular organism that works together to produce a given outcome, which associate to form tissues and then organs and finally organ systems.
Therefore, we can conclude that a body system can be defined by its cell which associate to form tissues that group to form organs and finally group of organs.
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Is lamina part of a flower
Yes.
Explanation:
The flat and expanded portion of the leaf in its entirety is known as the lamina. In short, the blade of the leaf or the leaf blade is called the lamina of a leaf.
Answer:
the definition of Lamina is "a thin layer, plate, or scale of sedimentary rock, organic tissue, or other material."
So No a Lamina is not apart of a flower. Ihope this is correct and you get a good grade
Explanation:
The relaxation of skeletal muscle relies on the activity of the ________, which decreases cytoplasmic calcium concentration.
Answer:
biologic capsules
Explanation:
Which component of transcribed rna in eukaryotes is present in the primary transcript but is removed before translation occurs?.
Answer: introns (DNA that doesn't code for protiens)
The functions of vascular tissue in plants include:.
Answer: to provide nutrition, transport pathways for water and support plant’s body
Which is not something that occurs in translation?
Answer:
'Production of mRNA'
Explanation:
There are a number of ways a protein can be denatured.
a. True
b. False
Answer:
A. True
Explanation:
hope this helps :)
The body structures that enable reproduction are the.
The body structures such as ovaries, testes, and external genitalia enable reproduction.
The body structures that enable reproduction are the reproductive organs or reproductive systems.
In males, the reproductive organs include the testes, epididymis, vas deferens, seminal vesicles, prostate gland. These organs produce and deliver sperm cells for fertilization.
In females, the reproductive organs include the ovaries, fallopian tubes, uterus, and cervix. The ovaries produce eggs (ova) and release them into the fallopian tubes, where fertilization can occur. The uterus provides the environment for the development of a fertilized egg into a fetus, and the cervix connects the uterus to the vagina.
Additionally, both males and females have accessory reproductive structures that support the reproductive process. These include glands that produce reproductive fluids (such as semen and vaginal fluids), as well as structures like the breasts, which play a role in breastfeeding.
Overall, the reproductive organs and systems in males and females work together to enable the processes of fertilization, gestation, and childbirth, allowing for the continuation of the species.
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A prokaryotic organism can be classified in the domain of.
Answer:
Archaea or the domain bacteria
Explanation:
Prokaryotic organisms belong either to the domain Archaea or the domain Bacteria; organisms with eukaryotic cells belong to the domain Eukarya. 5. Microorganism transfer genes to other microorganisms through horizontal gene transfer - the transfer of DNA to an organism that is not its offspring.
3) An abundance of liquid water is unique to planet Earth. Why is it not common on
other planets in our solar system? Write your answer below in complete sentences.
Answer & Explanation:
The reason that only the Earth has liquid water is that all the other planets and moons are either too hot, and whatever water is there boils away, or they are too cold, and whatever water is there freezes.
Earth has created a type of atmosphere in a type in which the abundant amount of needs that every human needs is present. Nearly 70% of the land is covered with water.
What is the name of the nearest planet to Earth ?It is the mars that shows many similarities in the atmosphere with the living conditions as of Earth.
Both of the atmosphere of Mars and of Venus are usually made of the carbon dioxide. Neither planet's own atmosphere is containing any amounts of oxygen for speaking of that is which means that in the present situation it is not possible to breathe on either planet.
The earth is unique in the solar system planet because the Conditions that are favorable to the supporting of life that are only to be found on the earth. The planet is neither too hot nor too cold. Here the resources as water and air in it which are almost important for the survival.
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what is the total number of organisms of the same species living together in a given area at a given time
Answer:
The population is defined as the group of organisms of the same species that live in the same area. Organism – An organism is a single individual plant, animal or other living thing. 10.
An examination of a marine sea star that had died after it was mistakenly placed in fresh water would likely show that it died because ________.
An examination of a marine sea star that had died after it was mistakenly placed in freshwater would likely show that it died because it was so hypertonic to the freshwater that it could not osmoregulate
Hope that helps!
A heron is affected by many factors in its environment. What distinguishes the biotic factors from the abiotic factors
Answer:
Biotic factors are living -- fungi, animals, plants, etc.
Abiotic factors are nonliving -- weather, water, rocks, etc.
Explanation:
Place the steps of meiosis l and lol into the correct order from top to bottom
anaphase l, telophase l, cytokinesis, metaphase ll, telophase ll , prophase l, metaphase l, interphase,anaphase ll
What cell part is responsible for capturing solar energy for a plant?.
Answer:
Chloroplasts are found in plants and algae. They're responsible for capturing light energy to make sugars in photosynthesis.
PLEASE ANSWER FOR BRAINLIST!! I BEG!!!
What is the role of oysters as a sustainable food source?
Oysters filter 50 gallons of ocean water a day.
Zero inputs are needed to grow oyster populations.
Oysters reducing ocean acidity by removing nitrogen.
Shellfish sequester more carbon than land-based plants.
Answer:
Oysters filter 50 gallons of ocean water a day.
Explanation:
Oysters are the engineers of the ocean. They help clean and filter the ocean water and they help build sustainable habitats for other species to live in. To now completely back up this answer an adult oyster can filter as much as 50 gallons of water a day.
Answer:
The answer is B: Zero inputs are needed to grow oyster populations.
Explanation:
I took the test and got it correct!!
HELPPP Riddle: Who am I? You may have seen my latest blockbuster movie. It's playing now
in underwater theaters. I am a
_ _ _ _ _ _ _.
Explanation:
the answer will be sea star
Answer:
A Sea Star
Explanation:
Hope this helps!
Part 1: Describe the mass and the surface temperature of dwarf stars.
Part 2: Explain using complete sentences where on the HR diagram you would expect to find a dwarf star based on its physical properties. (10 points)
Explanation:
Red dwarfs are the coolest main-sequence stars, with a spectral type of M and a surface temperature of about 2,000–3,500 K
A process in which dna has the unique ability to make an exact copy of itself.
Answer:
DNA replication
13) A student is creating a T chart of prokaryotic vs eukaryotic cells. In order to accurately compare the cells, the student must classify the statements into the
correct category. Examine the traits shown in the answer choices and select the ones that correctly apply to only prokaryotic cells. Select All that apply.
A) 10-100 times smaller
B) contains circular chromosomes and plasmids
9 contó DNA surrounded by a nuclear envelope
D) contains ribosomes can be affected by antibiotics
E) contains linear chromosomes with a larger genome.
Answer:
A) 10-100 times smaller, D) contains ribosomes can be affected by antibiotics, E) contains linear chromosomes with a larger genome. your welcome.
Explanation:
10-100 times smaller, contains ribosomes can be affected by antibiotics, and contains linear chromosomes with a larger genome.
What is prokaryotic cell?Prokaryotes are microscopic organisms from the two of the three primary domains of life—Bacteria and Archaea—that are part of the domains of life.
While the majority of eukaryotes are multicellular, bacteria and archaea are single-celled.
Scientists believe that prokaryotic ancestors gave rise to all current life forms on Earth because fossil evidence indicates that they existed on Earth 3.53.53, or 5 billion years ago.
Therefore, 10-100 times smaller, contains ribosomes can be affected by antibiotics, and contains linear chromosomes with a larger genome.
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Fluctuations in the phosphorus cycle in aquatic ecosystems _______. a. can lead to changes in the growth rates of aquatic populations b. are never caused by human impact on the environment c. lead to a decrease in the amount of phosphorus found in sediment d. never occur naturally please select the best answer from the choices provided a b c d
Phosphorous cycle supports the growth of phytoplankton. Fluctuations in the phosphorus cycle in aquatic ecosystems can leads to changes in the growth rates of aquatic populations.
What is phosphorous cycle?Phosphorous cycle describes the phosphorous movement from lithosphere, hydrosphere and biosphere.
Aquatic phosphorus exhibits seasonal cycle. It peaks in spring, causing rapid growth of algae and plant, then decline.
As phosphorus fertilizer aids in the growth of crops, phosphorus supports the growth of photosynthetic organisms like phytoplankton, at the base of the marine food web.
Any fluctuation in this process can leads to changes in the growth rates of aquatic populations.
Thus, the correct option is a.
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Drag the words to complete the sentences.
linear
single
circular
eukaryotic
prokaryotic
multiple
Before a cell divides, its DNA must be replicated without errors so that
the genetic codes for proteins are expressed properly. In
cells, which have linear chromosomes, replication
occurs in
locations and ends when all the
chromosomes are copied. In prokaryotic cells, which have
DNA, replication starts in only a single location and
proceeds until the entire chromosome is copied.
linear
single
circular
eukaryotic
prokaryotic
multiple
Before a cell divides, its DNA must be replicated without errors so that
the genetic codes for proteins are expressed properly. In
cells, which have linear chromosomes, replication
occurs in
locations and ends when all the
chromosomes are copied. In prokaryotic cells, which have DNA, replication starts in only a single location and proceeds until the entire chromosome is copied.
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The Replication process in eukaryotic and prokaryotic cells is quite similar. Almost the same enzymes are involved. 1)eukaryotic, 2)multiple, 3)circular.
What is the prokaryotic DNA replication process?In prokaryotic cells, DNA Replication consists of the unwinding and opening of the double-stranded DNA molecule, a process that starts at the replication origin.
The process is completed in three stages,
⇒ Initiation, in which helicase and topoisomerase are the first enzymes involved.
Helicase works in the replication origin.
It separates the DNA into two strands allowing the replication fork to advance by unwinding the DNA. It breaks hydrogen bonds between nitrogenated bases pairs.Topoisomerase impedes the DNA double helix near the replication forks to get too coiled when the DNA is opening.
⇒ Elongation, in which DNA polymerase I and III, primase, and ligase act,
Polymerase I and III are responsible for DNA elongation.
They are in charge of adding nucleotides to the growing chain, from 3' to 5' extremes. It includes only nucleotides that complement the original strand. They need to recognize a primer to begin. The new chain grows in 5’-3’ directionPrimase is in charge of synthesizing primers.
DNA polymerase I eliminate ARN primers and substitute them with DNA.
DNA ligase seals the gaps that remain after replacing the primers.
⇒ Mistakes correction
Endonuclease cuts the wrong segment
Polymerase I and III are in charge of correcting errors and filling empty spaces.
Ligase seals the corrected extremes.
The prokaryotic replication result is two DNA molecules, each of them carrying an old strand and a new strand.
What is the eukaryotic DNA replication process?
Eukaryotic DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.
DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.
The main difference concerning the prokaryotic replication process is that in eukaryotic cells there are
5 different polymerase enzymes several replication origins per chromosomeinvolves histonesThe origin of the replication requires
The helicase enzyme breaks hydrogen bonds and separates the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.Once the molecule is opened, there is a region named replication forks.
DNA polymerase makes the new nucleotides enter the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs thymine, and cytosine pairs guanine.DNA strands are antiparallel, and replication occurs only in 5'-3'direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.
Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment. These are later eliminated by Polymerase.
Ligase seals the gaps.
Complete sentenses
Before a cell divides, its DNA must be replicated without errors so that the genetic codes for proteins are expressed properly. In eukaryotic cells, which have linear chromosomes, replication occurs in multiple locations and ends when all the chromosomes are copied. In prokaryotic cells, which have circular DNA, replication starts in only a single location and proceeds until the entire chromosome is copied.
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How are chickens and crocodiles alike?
Answer:
Alligators and crocodiles share a more recent common ancestor
Explanation:
Muscle fibers which preform vigorous exercise to form a great percentage of ____
A) pyruvic acid
B) lactic acid
C) citric acid
D) acetic acid
Muscle fibers which preform vigorous exercise to form a great percentage of lactic acid because of the occurance of anaerobic respiration.
What is anaerobic respiration?Anaerobic respiration is the production of energy from glucose in the absence of oxygen. The products of anaerobic respiration are lactic acid, carbon dioxide, and water.
So we can conclude that Muscle fibers which preform vigorous exercise to form a great percentage of lactic acid because of the occurance of anaerobic respiration.
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The pontine storage center controls micturition by:.
The pontine storage center controls micturition by reducing detrusor muscle function and increasing the contractions of the external urethral sphincter.
What is the pontine storage center?The pontine storage center is a contraction reflex that promotes continence during bladder filling.
The pontine storage center is a center found in the medial dorsal pons (rostral pontine tegmentum).
This center (pontine storage center) is well known to play a role in the inhibition of the micronutrition reflex.
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In what part of the digestive tract does most nutrient absorption occur?.
Answer:
The small intestine
(It is most likely this because the large intestine absorbs water, the liver secretes bile, the pancreas secretes hormones, and the stomach breaks down the food).
BONUS: The small intestine has vili to increase the surface area of nutrient absorption.
Answer:
the small intestine
Explanation:
khan
Kendra is studying the energy pyramid shown. which statement is supported by the energy pyramid? the ecosystem can support fewer foxes than grasshoppers. foxes require less energy than birds. the ecosystem can support more foxes than birds. grasshoppers require more energy than birds.
Ecosystem an area where plants, animals, and other organisms, co-ordinate for their living. According to energy pyramid, ecosystem can support fewer foxes than grasshoppers.
What is energy pyramid?Energy pyramid is the flow of energy from one tropic level to another which is always erect.
After each level, 90% energy is lost in environment as heat. There is loss of energy at each tropic level.
As foxes comes after grasses in energy pyramid, so the ecosystem can support fewer foxes than grasshoppers.
Thus, the correct option is A.
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When do humans store fat in their bodies?
Answer:
humans store fat in their stomach
Explanation:
Which type of cell division creates haploid cells?.
Answer:
meiosis
Explanation:
Which chamber of the heart directly receives oxygenated blood from the lungs?.
Answer:
left atrium is the correct answer