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Related Questions
What is the function of the nucleus?
O A. To store the cell's genetic material
OB. To combine amino acids to make proteins
O C. To control what enters and leaves the cell
D. To provide the cell with energy
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Answer:
A. To store the cell's genetic material
Explanation:
The nucleus stores DNA which is the genetic material.
Fructose is a molecule that can move across the cell membrane. If the
concentration of fructose is higher outside the cell than inside the cell, then
what will happen by the process of diffusion?
O A. Fructose molecules will diffuse into the cell.
B. Fructose molecules will disappear by diffusion.
C. Fructose molecules will stay where they are.
O D. Fructose molecules will diffuse out of the cell.
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If the amount of fructose is more outside the cell than inside the cell, then fructose molecules will move into the cell through diffusion. The correct option is A.
What is osmosis?Diffusion is the movement of substances from a region of higher concentration to a lower concentration region. A gradient in Gibbs free energy or chemical potential aids in diffusion.
In the given scenario, as fructose molecule is in excess outside the cell and is less inside, then the fructose molecule will cross the membrane from outside the cell to inside due to this concentration gradient.
Thus, the correct option is A.
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farm animals can be classified based on what
Answers
Answer:
SEE BELOW
Explanation:
Farm animals are classified based on the following: Size, Habitat, Mammals, Non-mammal, and their types of stomach.
Will reward 50 points, 5-star rating, and brainiest When a child is born with down syndrome, when did the mutation occur? A. During Mitosis B. During Meiosis C. During Translation D. Transcription
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▹ Answer
B. During Meiosis
▹ Step-by-Step Explanation
During Meiosis is when the cell division occurs, and this is generally where the mutation will be caused. Down syndrome is caused from extra material from chromosome 21. It is generally caused by having 3 copies, rather than the regular two copies it should have.
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Answer: The answer is B
Explanation: it is because something forgot to seperate
Energy is released from ATP when every phosphate bond is broken. the last phosphate bond is broken. all three phosphate bonds are formed. the last phosphate bond is formed.
Answers
Answer:
the last phosphate bond is broken
Explanation:
ATP, is a chemical molecule with the name, Adenosine triphosphate. It is the energy currency of a living cell usd to drive many cellular processes in the body. ATP is produced during the process of cellular respiration.
Adenosine triphosphate (ATP) has an Adenosine molecule (Adenine base and a ribose sugar) and three phosphate groups. However, the energy in ATP is harnessed for utilization when the bond that binds the third phosphate group is broken.
The breaking of the last phosphate bond releases a phosphate group and an Adenosine diphosphate (ADP) molecule.
Answer:
D
Explanation:
Just took the quiz on edg 2020
Which of the following choices is not a function of the Golgi apparatus?
A. producing proteins
B. processing proteins
C. storing proteins
D. sorting proteins
Answers
Answer:
A. producing proteins
Explanation:
Protein synthesis takes place in ribosomes bounded to the rough endoplasmic reticulum. The Golgi apparatus performs all the other functions.
Hope this helps.
Producing proteins is not a function of the Golgi apparatus. So the correct option is A.
What is the Golgi apparatus?
A Golgi apparatus, also known as a Golgi body is an organelle in a cell. It helps in the processing and packaging of proteins and lipid molecules. It specially processes the proteins that are destined for export from the cell. It is named after Camillo Golgi, the scientist who discovered it. Its appearance resembles a series of stacked membranes.
The Golgi body is a cell organelle made up of membranes. These membranes are of different types. Some are tubules, and some are vesicles. This organelle is located near the nucleus. That is why it's called a perinuclear body. It lies right after the endoplasmic reticulum as well.
When the synthesized proteins are released from the endoplasmic reticulum, they enter the Golgi body for further processing. Processing may include the addition of carbohydrates and the formation of glycoproteins. These glycoproteins are released from the Golgi body to the rest of the cell.
These processed proteins are released and packed in vesicles. The vesicles are made out of the membranes in the Golgi network. These vesicles are filled with the products of the Golgi body and they move to the rest of the cell. This is usually through the cell to the plasma membrane, which is the destination.
Therefore, the correct option is A.
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Which best describes the outcome of DNA replication? The new DNA molecule is identical to the original DNA. The new DNA molecule is synthesized from amino acids. The new DNA molecule has a different number of codons. The new DNA molecule is single-stranded
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Hope this helps! :)
Answer:
The new DNA molecule is identical to the original DNA.
Explanation:
Which one of the following steps in elongation is directly dependent on ATP or GTP hydrolysis? Peptide bond formation Movement of the ribosome 3 bases toward the 3’ end of the mRNA Loss of the sigma subunit Binding of initiator tRNA to appropriate AUG codon Translation termination
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Answer:
Movement of the ribosome, 3 bases toward the 3’ end of the mRNA
Explanation:
Movement of the ribosome, 3 bases toward the 3’ end of the mRNA - This process can also be referred to as translator in the ríbosome.
This translocation process requires GTP hydrolysis.
Translocation occurs by the action of the enzyme elongation factor which uses the energy resulting from GTP hydrolysis to move to the A site on the small subunit forcing the tRNA and the mRNA to move a distance of one codon ( 3 bases) through the ribosome.
When people have their gallbladders removed, their bodies no longer have a place to store bile, and the bile flows from the liver continuously. What effect might this have on their ability to digest fats?
A. There will be very little change since bile will still be present to emulsify fats.
B. Fats will be emulsified more efficiently with the constant flow of digestive enzymes.
C. It will be unlikely that they will be able to emulsify and digest fats.
D. Only small amounts of fats will get digested since high concentrations of bile enzymes are needed for efficient digestion.
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Answer:
A. There will be very little change since bile will still be present to emulsify fats.
Explanation:
The gallbladder is a pear-shaped storage sac present in the alimentary canal of humans and functions to store excess bile in between meals. The bile is a greenish-yellow substance composed of different substances like salts, bile pigments, cholesterol etc. The bile is produced in the liver and aids in the digestion of fats.
The gallbladder serves as an intermediary between the organ of bile production (liver) and its destination (intestine). According to the question, once the gallbladder is removed, there is no longer a place to store bile. However, bile will still be produced by the liver and released directly into the intestine instead.
Hence, the bile will still be present to perform its function of emulsifying fats with little changes in the way it is released into the intestine. Note that, the gallbladder only regulates the speed at which the bile is released into the intestine.
HELP!! Orchids are flowering plants that depend on bees for pollination. A population of orchids in a rainforest has reached its carrying capacity. The size of the rainforest's bee population is a limiting factor of the orchid population. What will happen to the orchids' carrying capacity if the rainforest's bee population decreases?
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Answer:
The carrying capacity will decrease because the level of the limiting factor decreases.
Explanation:
Decrease in available resources lead to decrease in carrying capacity of an environment for a population. The rainforest's bee population is a limiting factor for orchid population, decrease in bee population will lead to decrease in orchid population.
Hence, the carrying capacity will decrease due to decrease in limiting factor as the number of orchids that can be sustained by the environment would decreases.
Which is a part of the cell theory?
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Answer:
1.All living things are composed of cells.
2.Cells are the basic units of structure and function for living things.
3.All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.
If you had the following food chain: Sun→grass→mouse→snake→bird of prey Which of the following would NOT happen if the snake trophic level was removed? A. The mouse population would decrease B. The bird of prey population would decrease C. The sun would stay the same D. The grass population would decrease
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Answer:
Option A
Explanation:
If the snake trophic level is removed, the following things will happen
=> The mouse population will increase because they would no more be a prey
=> The bird of prey population will decrease because their predator is no more present
=> The sun would stay the same
=> The grass population would decrease as their predator population has increased.
The mouse population decreasing won't happen when the snake trophic
level is removed.
In the trophic level below, the snake feeds on the mouse, the bird of prey
then feeds on the snakes.
Sun→grass→mouse→snake→bird of prey
However, when the snake trophic level is removed , the mouse have fewer
predators which feeds on it. This enables the population of mouse to
increase in the ecosystem as those on top of the trophic level usually have a
smaller population to the others.
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What is the educated guess of the answer to a question called?
A. An analysis
B. A conclusion
C. An experiment
OD. A hypothesis
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Answer:
it will be D
Explanation:
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▹ Answer
D. A hypothesis
▹ Step-by-Step Explanation
A hypothesis in a science experiment is what you think will happen. This also applies to literature and anything else that may be involved with an educated guess.
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Which best explains a primary reason for the inability of life to exist in Earth’s early atmosphere? There was insufficient energy from material collisions to change their density. High temperatures during Precambrian time caused surface water evaporation. Volcanic eruptions and comet collisions added different gases to the atmosphere. Available oxygen was used to help create an ozone layer within Earth’s atmosphere.
Answers
Answer:
c
Explanation:
on edge
The sentence that best explains the primary reason for the inability of life to exist in Earth’s early atmosphere is " Volcanic eruptions and comet collisions added different gases to the atmosphere".
During the early years of the Earth volcanic eruptions were much more common than they are today. When these volcanoes erupted, they spewed many gases into the atmosphere, including:
Carbon dioxideWater vaporNitrogenHydrogenwhich was directly responsible for the composition of the early atmosphere.
Due to these gases being released into the atmosphere by Volcanic eruptions, causing a severe lack of oxygen, life on Earth was almost unsustainable. It was not until solar radiation and photosynthesis produced oxygen that life became sustainable.
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True/False Indicate whether the statement is true or false. ____ 1. Hydrogen is an example of an atom. ____ 2. Medical imaging refers to invasive techniques and processes. ____ 3. Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge. ____ 4. Fructose found in fruit and honey is an example of a disaccharide. ____ 5. Phospholipids are lipids that contain cholesterol. ____ 6. Enzymes are specialized protein molecules found in all living cells. ____ 7. RNA structures are unique for each person and so are usable as a means of identification. ____ 8. Another name for a base is alkali. ____ 9. Buffers help a living organism to maintain a constant pH value. ____ 10. Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease.
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Answer:
Following the answers are given below:-
Explanation:
The first statement is True. The second statement is False. The third statement is True. The four statements are False. The five statements are False. The six statements are True. The seven statements are False. The eight statements are True. The nine statements are True. The ten statements are True.1. Hydrogen is an example of an atom. True; 2. Medical imaging refers to invasive techniques and processes. False; 3. Electrolytes are responsible for the acidity or alkalinity of solutions and can conduct an electrical charge. True; 4. Fructose found in fruit and honey is an example of a disaccharide. True;
5. Phospholipids are lipids that contain cholesterol. False; 6. Enzymes are specialized protein molecules found in all living cells. True; 7. RNA structures are unique for each person and so are usable as a means of identification. True; 8. Another name for a base is alkali. True;
9. Buffers help a living organism maintain a constant pH value. True; 10. Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease. True.
1. Hydrogen is the simplest atom, consisting of a single proton and a single electron.
2. Medical imaging refers to non-invasive techniques and processes that use radiation to create images of the body's internal structures.
3. Electrolytes are ions that can conduct an electrical charge. They are responsible for the acidity or alkalinity of solutions, which is measured by pH.
4. Fructose is a disaccharide, which means that it is made up of two sugar molecules. The two sugar molecules in fructose are glucose and fructose.
5. Phospholipids are lipids that do not contain cholesterol. Cholesterol is a type of lipid that is found in animal cells, but it is not found in plant cells.
6. Enzymes are proteins that speed up chemical reactions in living cells. They are essential for life, and they are found in all living cells.
7. RNA structures are unique for each person, and they can be used as a means of identification. This is because the sequence of nucleotides in RNA is different for each person.
8. A base is a substance that can neutralize an acid. Bases are also called alkalis.
9. Buffers are substances that help to keep the pH of a solution constant. They do this by absorbing or releasing H+ ions, which are responsible for acidity.
10. Nuclear medicine is a branch of medicine that uses radioactive isotopes to prevent, diagnose, and treat disease. Radioactive isotopes are atoms that have an unstable nucleus. When they decay, they release radiation that can be used to image or treat disease.
Therefore, the correct options are:
1. True
2. False
3. True
4. True
5. False
6. True
7. True
8. True
9. True
10. True
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Which statement BEST describes the relationship between MPF and the cell cycle? A. Cyclin binds with an enzyme to produce MPF Cyclin, and as its concentration rises, it promotes mitosis. B. Cyclin binds with a factor to produce MPF enzyme, and as the enzyme's concentration decreases, it promotes mitosis. C. The MPF Cyclin concentration remains constant, as the rise and fall of the MPF enzyme controls the cell cycle. D. The MPF Cyclin concentration increases and decreases in a cycle, but does not control the cell cycle.
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Answer: Option A
Explanation:
Cyclin binds with an enzyme to produce MPF Cyclin, and as its concentration rises, it promotes mitosis.
Therefore, cyclin binds with a factor to produce MPF enzyme, and as the enzyme's concentration decreases, it promotes mitosis; the MPF Cyclin concentration remains constant, as the rise and fall of the MPF enzyme controls the cell cycle; the MPF Cyclin concentration increases and decreases in a cycle, but does not control the cell cycle are not best described the relationship between MPF and cell cycle.
Answer:
A. Cyclin binds with an enzyme to produce MPF Cyclin, and as its concentration rises, it promotes mitosis.
Explanation:
A. Origin of Life- Scientists Hypotheses Disproving Spontaneous Generation (Word Bank: air, sealed, open, bacteria, gauze, spontaneously) Through the early 1800s, people believed organisms could ________________ develop, an idea known as spontaneous generation. In 1668, many believed maggots were spontaneous generated from rotting meat. Francis Redi’s experiment disproved this by experimenting with meat in open_jars, tightly snealed_jars and jars covered with cloth netting. It was also believed that bacteria spontaneously generated in broth. Lazzaro Spallanzani removed the _________ from a flask, __________ the broth and sealed the flask. No bacteria generated without exposure to the air. Some people still supported spontaneous generation but thought that air was a ________ force, necessary for it to occur. In 1859, Louis Pasteur completely disproved spontaneous generation by using a special flask that allow ______________ in but captured bacteria before it could get to the broth. No _________________ grew in the flask after boiling = no spontaneous generation. 2. First Life (Word Bank: eukaryotes, prokaryotic, variety, self-replicating, organic, photosynthesis, oxygen) Earth’s atmosphere had to be very hot and with little oxygen for the first ________________ molecules to first form. Organic molecules clumped together for form ______________________ structures that later evolved into cells. __________________________ cells were the first to evolve. When cells gained the ability to do ___________________________, they used up carbon dioxide and put more __________________ into the atmosphere.
Answers
Answer:
kjb
Explanation:
mnef
I’m being timed!!!!plz help
Which statement describes the relationship between seafloor spreading and continental drift?
-As the seafloor spreads, the continents do not move
-As the continents move, they pull the seafloor with them
-As the continents move, they create new seafloor at the coast
-As the seafloor spreads, the continents move in the same direction
Answers
Answer:
I think it is c
Explanation:
because if a continetnt moves typically something must be used to fill in this gap and then seafloor spreading occurs.
Answer:
B. As the continents move, they pull the seafloor with them.
Explanation:
cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of a scientific theory? Do you think it should be a scientific law? Explain your response.
Answers
Answer:
Cell theory is made up by doing a number of experiments just like scientific theory.
Explanation:
Cell theory meets the definition of a scientific theory because cell theory was made by performing a number of experiments just like scientific theory. Yes, cell theory should be scientific law if there is no change occurs in the statement of cell theory then it must be considered as law. Law should be made when the theory is passed through from a number of experiments.
Answer:
Cell theory meets the definition of the scientific theory as it is proven by numerous experiments and observations.
Explanation:
Anyone can observe the cells under the microscope using a basic staining procedure.
Which substance is a nucleic acid?
Answers
Answer:
DNA and RNA
Explanation:
The term nucleic acid is the overall name for DNA and RNA. They are composed of nucleotides, which are the monomers. They are made of three components -- a 5-carbon sugar, a phosphate group and a nitrogenous base.
Write the 10 examples of non flowering plants.
Answers
Answer:
1 MONEY plant
2 Mosses.
3 Lichens.
4 Ferns.
5 Horsetails.
6 Conifers.
7 Cycads.
8 Ginkgo.
9 liverworts.
10 cub mosses.
The theory of evolution through natural selection unites biology in ways that are not usually evident to most peoplE) A non-biologist might look at a lake and see ducks swimming and dragonflies flying. When a biologist looks at the lake, he/she probably would see
Answers
Answer:
Organisms better adapted to the environment
Explanation:
According to the evolutionary theory proposed by Charles Darwin in "The Origin of Species" (1859), the fittest organisms are those that are better suited to the environment (i.e., have a higher fitness). These organisms have more chances to survive and reproduce, and thereby they have also more chances to leave their genes in the next generation. This process is the central concept of evolution, and it is called natural selection. In consequence, evolution produces phenotypic changes or 'adaptations' that are inherited by organisms over generations, and certain traits are lost during this process.
Which of these factors is involved in earthquake formation?
plates getting larger
rocks breaking
stress that decreases
faults that remain stationary
Answers
Answer:
B
Explanation:
Trust
Answer:
B I THINK
Explanation:
Please it is B
What kind of joint allows the arm to bend?
Cartilaginous
Suture
Fibrous
Synovial
Answers
Answer:
Hey there!
The correct answer would be Synovial. A synovial joint allows the arm to bend.
The synovial (or joint) cavity is this area, and synovial fluid is what fills it. By lubricating the joint and minimizing friction between the bones, synovial fluid enables better joint movement. Thus option D is correct.
What main role of Synovial joint in bend?Keeping the articulating bones of the joint cavity from rubbing against one another is the synovial joint's main function. All synovial joints are diarthroses, but the range of motion differs between different subtypes and is frequently constrained by the ligaments that hold the bones together.
Bones may move freely thanks to movable joints. Synovial joints are all joints that may move. They also encompass the elbow, hip, and shoulder in addition to the knee. The most prevalent type of joints in the body are those that can move.
Therefore, Synovial kind of joint allows the arm to bend.
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Which of the these do plants NOT obtain using Active transport?
A. Phosphorus
B. Carbon dioxide
C. Potassium
D. Nitrogen
Answers
Active transport is the system that requires energy to transport the macro and micronutrients. Carbon dioxide is not transported through active transport. Thus, option B is correct.
What is active transport?Active transport is the mechanism to transport the molecules and the ions from regions of low concentration to higher concentration with the help of the energy as the movement are opposite the gradient.
The macronutrients like phosphorus, nitrogen, and potassium are transported with the help of the transporter molecules across the membrane and utilize ATP. While carbon dioxide diffuses directly and requires no energy.
Therefore, carbon dioxide is transported by passive transport.
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What does Raman spectroscopy use to identify substances?
O A.
infrared light
B.
electron light
C.
ultraviolet light
D.
vibration
E.
absorption
Reset
Answers
Answer:
The light source used in Raman spectroscopy is a laser.
Answer:
infrared light for plato
Explanation:
Which of the following is thought to be engulfed by prokaryotes eventually leading to the development of plant cells?
Answers
Answer:
Cyanobacteria
Explanation:
Cyanobacteria contributes to the origin of plants.
Scientists speculate that prokaryote engulfed a photosynthetic cyanobacterium that evolved into modern-day chloroplasts.
how do babies absorb in the womb absorb glucose
Answers
Intermediate filaments lack the intrinsic polarity of microtubules and microfilaments, because IF tetrameric subunits are symmetric. are grouped into five cytoplasmic classes based on the cell types in which they are found and one nuclear class. are the most stable and least soluble cytoskeleton filaments. are not found in plant cell cytoplasm. All of the above are true.
Answers
Answer:
All the above are true
Explanation:
Where are neutrons located?
Answers
Answer:
in nucleus
it's correct
option A
Answer:
A
Explanation:
Neutrons and protons are located inside the nucleus of an atom.