In the absence of oxygen, the process that follows glycolysis is fermentation. It is an anaerobic process with two types: lactic acid fermentation and alcoholic fermentation.
Explanation:If oxygen is not present, the process that follows glycolysis is known as fermentation. Fermentation is an anaerobic process, which means it occurs in the absence of oxygen. Fermentation allows glycolysis to continue by producing the NAD+ needed for this pathway. There are two types of fermentation: lactic acid fermentation and alcoholic fermentation. Muscle cells in the human body, when lacking sufficient oxygen during exercise, will perform lactic acid fermentation while yeast cells perform alcoholic fermentation.
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Which of the following processes most directly helps create soil from rocks? A. melting B. plate tectonics C. pressure D. weathering
Answer:
the answer is D. weathering
Explanation:
because i just did it on study island
Scientists examine a newly discovered object and discover that it is, indeed, made up of smaller parts. What must the smaller parts do in order to classify the object as living?
what are monosaccharides made of
What kind of cell is a stomach cell?
A.) prokaryotic
B.) eukaryotic plant
C.) eukaryotic animal
D.) excretory
Please help!
Robert studies ocean life. He observes that a species of octopus squirts a large cloud of black ink whenever a predator approaches. Which of the following is a scientific question that Robert could ask about what he observed? A. Does a big octopus have a prettier ink cloud than a small octopus? B. Does releasing a cloud of ink make the octopus more likely to escape a predator? C. Does an octopus release a cloud of ink whenever it feels scared? D. Does a predator like the taste of an octopus more than the taste of a squid?
Answer:
Does releasing a cloud of ink make the octopus more likely to escape a predator?
Explanation:
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A polo player hits a ball with a mass of 0.42kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet?
music question hurry please
Answer:
I believe the answer is mixed. sorry if I'm wrong!
The eruption of Mt. Pinatubo in the Philippines
a) caught the human population unaware, giving no prior signs of activity.
b) affected only local, island ecosystems.
c) produced aerosols that blocked the sun and resulted in a drop in global temperatures.
d) produced large amounts of sulfur dioxide but few aerosols.
Final answer:
The eruption of Mt. Pinatubo in 1991 (option c) produced aerosols that significantly blocked sunlight and lowered global temperatures, resulting in widespread ecological and economic consequences. Pre-eruption alerts enabled evacuations, saving lives despite the substantial damage.
Explanation:
The eruption of Mt. Pinatubo in the Philippines c) produced aerosols that blocked the sun and resulted in a drop in global temperatures. This occurred in 1991 and was one of the largest eruptions in over a century. The volcanic activity sent billions of tons of magma, ash, sulfur dioxide, and particulates into the atmosphere, causing widespread ecological and economic devastation. The impact was not merely local as it influenced global temperatures, creating a volcanic winter by cooling the Northern Hemisphere by 1°C. Additionally, prior alerts and monitoring had enabled evacuation, saving many lives despite the extensive damage caused.
Cell structure quiz anwsers
Cell structure refers to the components and organization of cells, with a distinction between prokaryotic and eukaryotic cells. It includes the study of cytoplasm, cytoskeleton, nucleus, ribosomes, and mitochondria, as well as plant cell-specific structures.
The term cell structure refers to the various components that make up a cell, including its inner workings and the arrangements of its parts. Cells are the fundamental units of life, categorized broadly into prokaryotic and eukaryotic cells, with eukaryotic cells being more complex and including plant and animal cells. The study of cell structure encompasses the understanding of various cellular components, such as the cytoplasm, cytoskeleton, nucleus, ribosomes, and mitochondria, as well as the endomembrane system, which includes the endoplasmic reticulum, Golgi apparatus, and various vesicles that transport proteins and other molecules.
Additionally, specific structures within plant cells, such as chloroplasts, cell walls, and large water-filled vacuoles, distinguish them from animal cells. Studying these components helps in understanding the cell's ability to function, communicate with other cells, and maintain homeostasis. Both the structure and the function of cells are fundamental topics in high school biology.
what occurs after cytokinesis is completed at the end of meiosis 1
Answer:
Two haploid cells are formed.
Why are people not able to scuba dive to the deeper parts of the ocean?
Is the Meadow Vole a herbivore, omnivore, carnivore, or detritivore?
Which of the following would introduce bias into an experiment? (1 point)
publishing your experimental results in a scientific journal
allowing other scientists to repeat and verify your experimental results
using a computer to record and store your data
discarding data that does not fit with your personal expectations
Sound waves with a large distance between A and B would be sound waves that have a large ________ and produce loud sounds.
Answer:
displacement of air
Explanation:
Sound waves are mechanical waves that vibrate at a frequency of 20 to 20,000 hertz (Hz), and are normally perceptible by the human ear. Sound is the sensation we feel, through hearing through the action of this type of wave. Another important characteristic, the sound wave needs a medium to propagate, be it gas, liquid or solid. Therefore, there is no sound in a vacuum. The greater the air displacement produced by the sound wave, the louder the sound produced by it. For this reason, we can conclude that sound waves with a great distance between A and B would be sound waves with a large displacement of air and producing loud sounds.
At one time, most people believed that the Universe was static, meaning it did not change. When larger and better telescopes were invented in the early 1900s, however, it was discovered that light from objects in space shifted toward longer wavelengths. Scientists concluded that only an expanding Universe could explain this shift. Which of the following statements is supported by this example?
A. The theory of the expanding Universe cannot change, even if new evidence arises.
B. Scientific knowledge can change when new evidence or interpretations arise.
C. The principle of the expanding Universe is a scientific law.
D. Once a scientific theory has been accepted, it can never change.
Answer:
The correct answer is option B, Scientific knowledge can change when new evidence or interpretations arise.
Explanation:
The logical explanation to any scientific theory/law keeps on changing. This is so because the first logical explanation to any scientific theory was the best possible explanation to it available at that time with the limited resources and was accepted by the majority of peers. But with the advancement in technology some new theories may come forward. for example – Earlier it was found that atom in the smallest unit of matter , but with the advancement in high scale microscope it was found that even atom is made of smaller particles like electron, proton etc. Thus the scientific theories/laws get affected by new researches.
What body systems depend on the nervous system?
What motion will result from two forces acting on an object :one forcee of 50 newtons to the east, the other a force of 30 newtons to the west ? The object will-
Final answer:
The object will move to the east with a net force of 20 newtons, due to the larger force acting in that direction after subtracting the smaller westward force.
Explanation:
When two forces act on an object in opposite directions, the object will experience motion in the direction of the net force.
In your case, you have one force of 50 newtons to the east and another force of 30 newtons to the west.
To determine the motion, you subtract the smaller force from the larger force (50 N - 30 N = 20 N) to find the net force.
The object will move to the east with a net force of 20 newtons.
HELP ME PLEASE!!! I'LL CHOOSE A BRAINLIEST!!!!
When are lung transplants performed? What are the risks of lung transplants?
Lung transplants are performed when there are no other medical options; it is a last resort.
The recipient’s body may reject the new lung.
The transplanted lung may also become infected.
In June, there are fewer hours of daylight and less direct in the A. Southern Hemisphere B. Northern hemisphere C. Western Hemisphere D. Eastern Hemisphere
Answer:
Southern Hemisphere
Explanation:
Scientists who concluded that all plants are made of cells
The conclusion that all plants are made of cells is credited to the botanist Matthias Schleiden in the 19th century.
Matthias Schleiden, a German botanist, played a significant role in establishing this concept. In 1838, Schleiden proposed that every part of a plant is composed of cells or the products of cells.
He carefully examined plant tissues under microscopes and observed similarities between plant cells and the cells described by Theodor Schwann in animal tissues.
key figure in this discovery was Theodor Schwann, a German physiologist and zoologist. In 1839, Schwann, building upon Schleiden's observations, extended the cell theory to animal tissues.
He asserted that cells are the fundamental units of structure and function in all living organisms, emphasizing that plants and animals are fundamentally similar in their cellular composition.
Rudolf Virchow, another German physician, pathologist, and biologist, further refined the cell theory in 1855. He stated that cells only arise from pre-existing cells, challenging the notion of spontaneous generation. Virchow's concept, "omnis cellula e cellula" or "every cell originates from another existing cell," solidified the cell theory as a fundamental principle in biology.
The collective contributions of Schleiden, Schwann, Virchow, and others led to the establishment of the cell theory, one of the fundamental principles of modern biology.
Their findings revolutionized our understanding of the structural and functional units of life and laid the foundation for advancements in cell biology, genetics, and various other scientific disciplines.
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Which one of the following chemical formulas represents an organic molecule
Lawrence is conducting an experiment to see how much force it takes to push objects made of different materials along the ground. He uses a rubber object, a plastic object, a wooden object, and a glass object. He makes sure that each object is the same mass and that each object has the same amount of surface area in contact with the ground. He decides to test his objects on the same patch of cement under identical conditions for each trial.
Which of these are constants in Lawrence's experiment?
the amount of force he uses to push each object
the amount of surface area contacting the ground for each object
the type of surface he pushes each object along
the material each object is made out of
the mass of each object
Answer:the amount of surface area contacting the ground for each object
the type of surface he pushes each object along
the mass of each object
Explanation:
A constant in experiment can be a parameter which does not change it's form or value irrespective of changes occurring in the corresponding variables.
Able mentioned statements show the constants in the experiment.
The amount of force used to push the object is dependent variable. As it is required to be find out. The material each object made of is independent variable. It will exert influence over the force with which object was pushed.
Final answer:
The constants in Lawrence's experiment are the amount of surface area contacting the ground, the type of surface each object is pushed along (cement), and the mass of each object.
Explanation:
In Lawrence's experiment, constants are the aspects that do not change throughout the testing. The constants in his experiment are:
The amount of surface area contacting the ground for each object
The type of surface he pushes each object along, which is cement
The mass of each object as they all have the same mass
These factors are kept constant to ensure that the only variable affecting the amount of force required to push each object is the material the object is made out of. Keeping these elements unchanged during the trial eliminates other variables that could influence the experiment's outcome.
What three tests must all theories pass to be considered a “proven” theory?
Explain in your own words what the theory of evolution is
what can you conclude about the structure of mitochondria?
A. They are membrane-bound organelles with a second, stacked membrane inside to mention extra area for cellular respiration.
B. They take instructions from DNA and make proteins.
C. They break down sugars to provide energy for the cell.
D. They are organelles, which are a group of flattened membrane sacs stacked top of each other
The structure of mitochondria consists of a double membrane system, an outer and a highly folded inner one. This structure provides an extensive surface area for cellular respiration, which allows the mitochondria to generate energy by breaking down sugars.
Explanation:The structure of mitochondria can be broadly summarized by options A and C. Mitochondria are unique, membrane-bound organelles present within cells. They have a double membrane structure; an outer membrane and a highly folded inner membrane, known as the cristae, which provide a large surface area for cellular respiration, facilitating energy production. This configuration helps mitochondria to execute their primary function, which is the production of ATP (adenosine triphosphate) by breaking down sugars during the process of cellular respiration (option C).
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Animal cells contain all of the following structures EXCEPT a A) nucleus. B) cell wall. C) mitochondria. D) Golgi apparatus.
significant figures... to four figures: 3.682417
This is where the genetic information is found in a eukaryotic cell?
A) nucleus
B) cytosol
C) mitochondrion
D) endoplasmic reticulum
If molecules move from one place to another inside of a cell, which type of communication is this?
A. Intracellular, enzyme-linked receptor
or
B. Intracellular, molecular signal
why should scientific investigations be replicable
Answer:
A. To make sure data is accurate
Explanation:
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