What macromolecules and biomolecules are critical for
cellular respiration to occur?
Answer:
Glucose
Explanation:
Glucose is the molecule that is needed for cellular respiration. The glucose monomer is also a building block for carbohydrate polymers such as starch, glycogen and cellulose. Proteins have a number of important functions. These include their roles in structures, transport, storage, hormonal proteins and enzymes.
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an object weighs 20n it displaces a volume of water that weighs 15n what is the buoyant force on the object
Answer:
sorry dont no what u say
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What is the name for a complex, organized group of organisms?
The students want to answer this question: What is causing the change in the temperature in this town?
Which question should the students answer as part of their research?
A. Are towns with highs above 38ᵒC counted as part of this graph?
B. Is the change in temperature related to a change in human activities?
C. Which season produces the most days with a high temperature above 38ᵒC?
D. Is the change in temperature due to the tilt of Earth or Earth's distance from the Sun?
Answer:
i think climate change
Explanation:
The cardiovascular system is
The cardiovascular system is sometimes called the blood-vascular, or simply the circulatory, system. It consists of the heart, which is a muscular pumping device, and a closed system of vessels called arteries, veins, and capillaries.
The system that contains the heart and the blood vessels and moves blood throughout the body. This system helps tissues get enough oxygen and nutrients, and it helps them get rid of waste products. The lymph system, which connects with the blood system, is often considered part of the circulatory system.
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If the chromosome number of a typical onion root tip cell is 16 before mitosis, what is the chromosome number of each newly formed nucleus after nuclear division has taken place?
Answer:
16 in each nucleus
Explanation:
Mitosis is the process of cell replication that creates two identical daughter cells. Alternativly, meoisis produces two haploid cells (each having "half" the chromosomes) from each diploid cell.
Answer:
I don't know i need help too
Explanation:
so yea
what is Blue baby? explain
Answer:
A baby who is cyanotic (blue), due usually to a heart malformation that prevents the baby's blood from being fully oxygenated. The bluish color reflects the deoxygenated state of the blood. (Oxygenated blood is red.)
what differentiates amino acids from one another
Answer:
Every amino acid comprises a hydrogen atom, a carboxyl group, an alpha-amino group and also the R-group (which makes the side chain). The side chain present in every amino acid is different. Therefore, the only primary factor that makes each amino acid different is the presence of R-group.
Explanation:
Maybe this will help..
Which statement describes Newton's first law of motion?
A. Objects only change motion when a nonzero net force acts on them.
B. Increasing the distance between objects decreases the gravitational force between them.
C. An object's acceleration is determined by the net force acting on it divided by the object's mass.
D. When one object pushes another, the second object pushes back with an equal force in the opposite direction.
Fill in the blank: Land ______________faster than water, but it also ___________________more quickly.
Answer:
Land heat up faster than water,but it also soil cools down faster than water quickly at night
11. A flower produces a seed. Explain why this is an example of sexual reproduction
Answer:
itrequires genetic material (DNA) from two parents. The parent plants have male and female sex cells, called gametes. ... Seeds produced through fertilization contain genetic material from both parents.
The production of a seed by a flower is an example of sexual reproduction because it involves the fusion of male and female gametes (pollen and ovules) to form a genetically diverse offspring.
Sexual reproduction is a type of reproductive process that involves the combination of genetic material from two parent organisms, resulting in the formation of genetically diverse offspring. In the case of a flower producing a seed, sexual reproduction occurs through a series of specialized reproductive structures and processes.
Male Gamete Production (Pollen): Flowers produce male gametes, or pollen, in structures called anthers. Pollen contains the male reproductive cells necessary for fertilization. When pollen is mature, it is released from the anthers.
Female Gamete Production (Ovules): Flowers also produce female gametes, or ovules, within the ovary. Each ovule contains an egg cell, which is the female reproductive cell. The ovary is located at the base of the flower.
Pollination: Pollination is the process by which pollen from the male reproductive structures (anthers) is transferred to the female reproductive structures (stigma) of the same or a different flower. This can occur through wind, water, insects, birds, or other means.
Fertilization: Once pollen lands on the stigma of a compatible flower, it forms a pollen tube that grows down into the ovary. This tube delivers the male gametes to the ovules, where fertilization occurs. Fertilization is the fusion of a male gamete with a female gamete to form a zygote, which develops into an embryo within the seed.
Seed Formation: After fertilization, the ovule develops into a seed, which contains the embryo, endosperm, and protective seed coat. The embryo carries genetic information from both parent plants, resulting in genetic diversity.
The combination of genetic material from male and female parent plants results in offspring with unique genetic characteristics. This genetic diversity is advantageous for the survival and adaptation of species to changing environments. Therefore, the production of a seed by a flower is a prime example of sexual reproduction, involving the fusion of gametes to create genetically diverse offspring with traits inherited from both parents.
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I’m aerobic cellular respiration, what three major steps are involved
Explanation:
GlycolysisCitric acid cycleElectron transport chain.These structures are passageways from the nucleus that transport
proteins through the cell.
Answer:
Endoplasmic Reticulum (E.R.) These structures are passageways from the nucleus that transport proteins through the cell. This organelle is the control center of the cell.
Explanation:
Hope this helps.
how many chromosomes in chimpanzee
Answer:
48
Explanation:
Humans have 46 chromosomes, whereas chimpanzee, gorilla, and orangutan have 48
Answer:
Chimpanzee have 48 chromosomes whereas human have 46
Explanation:
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The Earth is primarily composed of:
water
rock
gas
Resposta: resposta é a
water
Explanation:
The earth is primarily composed of rock. Therefore, option B is correct.
What is the structure of the earth?The crust, mantle, outer core, and inner core are the four principal parts that make up the earth's structure. Each layer has a distinct chemical makeup, physical state, and potential to affect life on the surface of the Earth.
the outermost layer crust is composed primarily of granite and basalt rock. Oceanic and continental crusts are two different types. The majority of the oceanic crust is made of basalt and is denser and thinner. Granite makes up the majority of the less dense, thicker continental crust. The mantle is made of solid rock that is hot, thick, and rich in iron and magnesium. The liquid and solid portions of the core make up the earth's center.
The earth is primarily composed of rock. Therefore, option B is correct.
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Plz help I need help
Answer:
chloroplast
Because of where and how it was made
Discuss how the concept of "survival of the fittest" was developed and what it means
PROMT
Answer:
Survival of the fittest was originally used to describe the ability of a species to thrive despite having some weak offspring. The strong and capable would continue to thrive while the incapable would die or be left behind.
Explanation:
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A de-shelled egg is placed in tap water. The egg grows in size.
What is the best explanation for this change in size?
Ions in the water moved into the cell through diffusion because there were more ions outside the cell than inside the cell.
Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell.
Water moved out of the cell by osmosis because the solute concentration was higher outside the cell than inside the cell.
Water moved into the cell by diffusion because there is more water inside the cell than outside the cell.
The best explanation for the change in the egg's size is that Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell. Option B.
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When talking about solutions, we can classify them as follows,
Hypertonic ⇒ A hypertonic solution has a higher concentration of solute than the cell. This means that in the cell interior, the solute concentration is lower than in the solution itself. Isotonic ⇒ The solute concentration is the same inside the cell and outside. Hypotonic ⇒ A hypotonic solution has a lower concentration of solute than the cell. This means that in the cell interior, the solute concentration is higher than in the solution itself.
Water is considered to be a hypotonic solution.
When a cell is in a hypotonic solution, through osmosis, water moves toward the cell.
Note: In this example, the egg is the cell.
Osmosis is the phenomenon that occurs when two dilutions of different concentrations -in this example, the interior of the cell and the solution- are separated by a semipermeable membrane.
The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side to the less diluted one.
Water tends to go from the hypotonic solution to the cell interior and keeps doing so until concentrations are equal in the cell interior and exterior.
As water enters the cell, the cell begins to enlarge and becomes bigger-sized. And because cells can not limit the amount of water moving in, it keeps swelling until the membrane can not stretch anymore, and lysis occurs. It bursts.
What we need to consider is
When a cell with a semipermeable membrane is placed in a hypotonic solution, water enters the cell. When a cell with a semipermeable membrane is placed in an isotonic solution, there is no water movement. When a cell with a semipermeable membrane is placed in a hypertonic solution, water gets out of the cell.So, the best explanation for the change in the egg's size is Water moved into the cell by osmosis because the solute concentration was higher inside the cell than outside the cell. Option B.
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how does the structure of a carbohydrate allow it to perform its function?
Answer:
Carbohydrates are organic molecules ONLY composed of carbon, hydrogen, and oxygen molecules. So, their structure would be just covalent bonds between the three elements, and most likely non-polar. They give out a lot of energy, and carbohydrates are also known as sugars. Most foods have them.
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Which of the following scenarios is most likely using the same type of cell transport as the sodium-potassium pump?
A.
A child's badly skinned knee heals rapidly.
B.
Animal cells control calcium levels to maintain proper signaling between cells.
C.
Cell activities remove fluid in a patient with swollen abdominal tissues.
D.
Minerals from food diffuse into an animal's intestine.
Answer:
option (A) is the correct.
Explanation:
I hope this helps you ♡♡
The statement which represents a scenario that most likely uses the same type of cell transport as the sodium-potassium pump is that a child's badly skinned knee heals rapidly. Thus, the correct option for this question is A.
What is the sodium-potassium pump?A sodium-potassium pump may be defined as a type of pump or channel or enzyme that is significantly found in the membrane of all animal cells. It performs several functions in cell physiology. The Na⁺/K⁺-ATPase enzyme is active. It effectively moves sodium and potassium ions against large concentration gradients.
According to the context of this question, the working mechanism of the sodium-potassium pump depends on the movement of two potassium ions into the cell where potassium levels are high and the pump of three sodium ions out of the cell and into the extracellular fluid. It plays an important role in contracting the cardiac muscle, kidney function, and nerve signaling.
Therefore, a child's badly skinned knee heals rapidly is the statement which represents a scenario that most likely uses the same type of cell transport as the sodium-potassium pump. Thus, the correct option for this question is A.
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The collect data step of the scientific method comes before the hypothesis step. True or False?
Answer:
true after data collection you state your hypothesis
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Which of the following describes characteristics that impact the amount of ozone pollution near Earth's surface?
I. A region's topography
II. An area's weather patterns
III. Human activities
I and II
II and III
I and III
I, II, and III
The answer option which describes the characteristics that impact the amount of ozone pollution near Earth's surface is: A. I and II.
Pollution can be defined as the physical contamination (degradation) of Earth's surface and its environment through an emission of pollutants or waste materials.
Some examples of pollutants or waste materials that causes pollution around the world include;
Nitrogen dioxide.Particulate matter.Lead.Sulphur dioxide.Carbon monoxide.Ozone.Ozone pollution are mainly caused as a result of the emission of nitrogen oxides and volatile organic compounds.
The amount of ozone pollution near Earth's surface is mainly affected by the following characteristics:
I. A region's topography: the types of landforms formed in a region affects the pollution of ozone.
II. An area's weather patterns: the atmospheric condition in an area affects its level of ozone pollution.
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Answer:
the answer is wrong is not 1 and 2
I'm not sure but i believe it will be 1 2 and 3 I'm sorry if it wrong
Explanation:
what Causes liquids to rise and depends on the strength of adhesion?
Which of these statements describes how monomers combine and create macromolecules?
1 Nucleic acids combine to make starch.
2 Amino acids combine to make proteins.
3 Glucose molecules combine to make nucleic acids.
4 Proteins combine to make glucose.
Answer: Amino acids combine to make proteins.
Explanation:
the mantle is composed primaraly of?
Answer:
The mantle of the earth is made mostly of solid rock
What two parts of the electron chain receive sunlight?
Answer:
the light-dependent reactions and the Calvin cycle
Explanation:
Photosynthesis takes place in two stages: the light-dependent reactions and the Calvin cycle
The answers are plz help
A: Lipid
B: protein
C: Glycolipid
D: Carbohydrate
Answer:
protein
Explanation:
Carrier proteins allow moves other materials within the organism.
How does your diet (the different types of foods you eat) affect the water cycle? what types of foods use the least amount of water, and what types of food use the most water?
Answer: Your diet can probably effect. More animals may consume more water than others. Or more plants drink more water than others. by eliminating these animals, there is more water left. Some plants that use the last water is the Sago Palm, Snake plant, Orchids, Spider plant, and plenty of the plant species who are adapted to dry climats. The plants that consume the most water are Ferns, Lilys, Daylilies, Indian grass, Cattails, Iris, and Elephant ears. The animals that consume the most water is probably the biggest animals like elephants and cows, who according to my search can consume up to 100 gallons of water a day durring hot summer months. So, the least water, the less it will rain, the less clouds there would be, and the easier it would be for the land to dry out.
Explanation:
please help me with this i’ll give brainlist:)
Answer:
D
Explanation:
Which statements describe elliptical galaxies? Select the two correct answers.
0 they include the Milky Way
0 they typically contain very little gas and dust
0 they include the universes largest galaxies
0 they are the most common galaxy type
Answer:
B. and C.
B. They typically contain very little gas and dust.
C. They include the universe's largest galaxies.
Elliptical galaxies are galaxies elliptical in shape(has an oval or ellipse shape).
The two correct statements are:
B. They are the most common galaxy type.
C. They typically contain very little gas and dust.
Elliptical galaxies are galaxies where little or no gas and dust can be seen or found. The elliptical galaxies are the most commonly found galaxies.
Therefore, options B and C are the correct options.
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