Answer:
Explanation:
A. Inorganic molecules are rarely present in the human body, and the products of photosynthesis only contain one inorganic molecule (a molecule without carbon), [tex]O_2[/tex].
B. This is correct because when looking at the photosynthesis equation you have [tex]H_2O[/tex] + [tex]CO_2[/tex] + Sunlight = [tex]C_6H_{12} O_6[/tex] + [tex]O_2[/tex] Now illustrating this conversion, the [tex]O_2[/tex] Was made from the breaking of the bonds, so no new bonding was formed, this is the only inorganic molecule. The organic molecule, glucose, or the C6H12O6, was made combining the ingredients H2O and CO2. In order to combine the components used to make the glucose, the energy from the sun helps with the exchange of electrons and facilitates the bonding to make the organic molecule glucose.
C. Sun energy can not be converted into energy used to create enzymes
D. Same as C
examples of artificial permeable membranes
Answer:
kidney tissue
Explanation:
Although cellular respiration involves many steps, the whole process can be represented by a single equation.
A + B → C + D + E
Which substances would complete the equation that models the overall process of cellular respiration?
A:
ATP
B:
C:
D:
E:
Answer:
Glucose,energy , water , hydrogen
Which of the following is an inherited trait
A. Having freckles
C. Being a good reader
C. Having a tattoo
D. Being a good dancer
In chemiosmosis what is the most direct source of energy?
Answer:
In chemiosmosis, the most direct source of energy used to convert adp+pi to atp is through oxidative phosphorylation by energy released from movement of protons through atp synthase, down their concentration gradient.
Hope this help you! :)
How are these cells classified
PLEASE HELP WILL GIVE BRAINLIST!
this year there were 32 ants born in an ant hive. Due to the new pesticide that was used in the area, 32 died. With an overall population of 1000 ants in the hive, what is the change in population? Do you have a positive, negative, or zero change in population? How many members are in the new population?
Answer should contain the following information: work for calculating the change in population positive, negative, or zero change in population. Work for calculating the new population.
Answer:
0 change in population. I think.
Explanation:
first we are adding 32 ants to the total because 32 ants were born so 1000+32 = 1032.
Next we are subtracting 32 ants from the new total because a pesticinde was used in the area. So 1032 - 32 is 1000. 1000 was the original total so there was not a decrease in popualtion or an increase.
during which phase of mitosis are the spindle fibres formed around the sister chromatids?
Answer:
Metaphase
Explanation:
In prophase, spindle fibers start emerging from the centrosomes. In metaphase, the spindle fibers attach to the sister chromatids.
If a red blood cell is in a beaker of water. What are the areas of high and low water concentrations and does the water diffuse in or out of the cell
A scientist carried out an experiment to follow the movement of carbon atoms within animal cells. To do this, the scientist added glucose with radioactively labeled carbon atoms to a culture of cells growing in a Petri dish.
After a certain amount of time had passed, the scientist tested parts of cells for radioactivity. Radioactivity was detected in various biomolecules, including DNA.
Which of the following statements best explains why radioactivity was detected in the DNA?
Choose 1 answer:
(Choice A)
The DNA was in close proximity to the radioactive glucose during its formation.
(Choice B)
Carbon atoms that were once in the radioactively labeled glucose were used to form DNA.
(Choice C)
The DNA was made up of radioactively labeled glucose subunits.
Carbon atoms that were once in the radioactively labeled glucose were used to form DNA - this statement best explains why radioactivity was detected in the DNA.
What is radioactivity in DNA?Radioactivity is known to induce tumors, chromosome lesions, and minisatellite length mutations.
Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions.
The radiation could damage the cell’s DNA, but the DNA repairs itself. The radiation could prevent the DNA from replicating correctly. The radiation could damage the DNA so badly that the cell dies.
The correct answer is option B.
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Answer:
the answer is b - carbon atoms that were once in the radioactively labeled glucose were used to form DNA
hope this helps! <3
Cartilage tissue is invaded by blood vessels and ___________________that first form spongy bone at the primary ossification center in the diaphysis.
Answer:
osteoblasts
Explanation:
What functional group is found on the head end of a lipid molecule?
a. carboxyl group
b. amino group
X c.omega-3 fatty acid
d. glycerol
Answer:
Glycerol is a small organic molecule with three hydroxyl (OH) groups, while a fatty acid consists of a long hydrocarbon chain attached to a carboxyl group.
Explanation:
hope it helps
Why are enzymes important in digestion?
A. They allow reactions to occur rapidly and at
body temperature.
B. They change inorganic compounds into organic
ones.
C. They let reactions repeat without energy.
D. They control photosynthetic processes.
Answer:
A. They allow reactions to occur rapidly and at
body temperature.
I hope this helps you
in an El nino event, surface temperatures of the pacific oceans are above average for at least a year. what effect, if any, would warmer temperatures have on the growth of a kelp forest ecosystem on the california coast?
El Niño is a phenomenon that impedes warm water to move westward and upwellings events. The kelp forest ecosystem is negatively affected by the rise in water temperature, lack of nutrients, and consequent effects.
-------------------------------
kelp forestThe kelp forest is a large population of brown algae that live in marine cool and relatively shallow waters rich in nutrients.
The population density is so high that they are considered to be marine forests, accomplishing many ecosystemic services, such as
absorbing CO₂, releasing a significant amount of O₂, protecting the coasts from waves erosion, and decreasing acidification.They are shelter and source of food for many different species, becoming one of the most diverse and productive habitats.
El Niño Event
The El Nino Southern Oscillation -ENSO- phenomenon occurs due to a complex system of climatic oscillations between the ocean and the atmosphere.
This phenomenon causes significant perturbations in the usual pluvial regimens in the tropics. It provokes
• dry seasons in areas where it usually rains
• rainy seasons in desertic regions.
ENSO phenomenon is dominant in the global climate system.
Under El Niño conditions
A tropical and weak stream in the Pacific acquires strength while the opposite streams debilitate. This change impedes warm water go westward, remaining on America's west coasts. Upwelling does not occur on the America's coasts. In some regions, temperatures rise, and unusual precipitations occur in desertic or dry areas -Atacama desert-. Other affected areas are Eastsouth Asia, Australia, and New Zealand, where there are fewer precipitations and cooler temperatures. Rainfall drops below the average, affecting crops and livestock. Effect of warmer temperatures on the kelp forest
The kelp forest is very sensitive to temperature changes. As a fact, the forest distribution depends on temperature as a limiting factor.
El Niño event has a damaging influence on these forests, not only because they reduce the availability of nutrients but also because they produce a significant change in water temperature.
Ocean warming negatively impacts algae reproduction, growth, and survivorship.
Algae are damaged by the temperature rise to the point of being eliminated.
Associated species composing the marine ecosystem are affected too since they have no refuge, food and live in environments with a higher concentration of CO₂, lower O₂, and more acidification.
---------------------------------
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Which BEST describes the energy transformation in photosynthesis and cellular respiration?
A
B
C
D
Answer:
I believe the answer is B. That is a tricky question, tho.
Explanation:
Which of the following includes organisms that can use energy from the sun to make food?
Answer:
Explanation:
An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms.
Can someone plz help Me? :(
Answer:
C
Explanation:
I think it's c, but I might be wrong
.
Which of the following statements about classification of organisms is true?
all of the above
Explanation:
They all fall in the same category of classification it is a trick question.
During transcription, a strand of mRNA is made based on the DNA template in the _______________.
help!!!!
Answer:
During transcription, a strand of mRNA is made based on the DNA template in the nucleus.
Explanation:
Hope this helps.
It takes energy for an organism to produce a particular structure such as a stripe on a clover leaf that is otherwise plain.
Why might cyanide-producing clover produce striped leaves?
Answer:
increases its ability to resist predation because the snails that eat it die
In general, two types of white clover can be found in a variety of habitats around the world. The first has plain green leaves, while the second produces cyanide as a defensive strategy against herbivores and signals its presence with white stripes on the leaves.
What are defensive behavior?Claws, teeth, disguising, poison, imitation, and adaptations such as echolocation are all common defense mechanisms. Some are uncommon but extremely effective.
A nonhuman animal's behavior to avoid of been hurt or killed by another.
This could include defensive aggression against a potential predator or a member of its own species, from its own group or from another group, or animal escape actions to avoid the source of harm.
In general, two types of white clover can be encountered in a variety of habitats worldwide.
The first has plain green leaves, whereas the second, as a defensive mechanism against plant eating organisms, produces cyanide and signals its presence with white stripes on the leaves.
Thus, cyanide-producing clover produce striped leaves.
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how can you tell if an earthquake has occurred?
Scientists can examine sediment samples to get an idea of when major earthquakes occurred in the past. By measuring the amount of time between events, they can come up with a rough idea of when a major quake might hit.
what are the small pores called where carbon dioxide come in
Answer:
Stomata
Explanation:
These are the small pores in plant stems or leaves that allow carbon dioxide in and oxygen and water vapor out. Each tiny hole is surrounded by a pair of cells called guard cells. These cells control whether a stoma is open or closed.
what is the difference between threatened and endangered species
One of the end products of cellular respiration is ATP, which is the molecule that cells use for energy. How is ATP produced during cellular respiration.
Answer:
The breaking down of glucose into energy (Which is ATP).
Explanation:
Answer:
36 ATP molecules are created from cellular respiration in eukaryotic cells
Explanation:
in general, enzymes are what kinds of molecules?
Answer:
Enzymes are proteins.
the principal gas in the biogas produced in a landfill is
Answer:
Biogas is composed mostly of methane (CH4), the same compound in natural gas, and carbon dioxide (CO2).
Explanation:
what is Krebs cycle?
Is Krebs cycle also known as cellular respiration?
Explanation:
The tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the main source of energy for cells and an important part of aerobic respiration. It takes place in the mitochondria, using up oxygen and producing carbon dioxide and water as waste products, and ADP is converted to energy-rich ATP.
No Krebs cycle is not known as cellular respiration
The bulky shape of fat cells make them ideal for performing which of the following functions of connective tissue?
Bone movement
Nutrient transport
Filling spaces
Body support
The bulky shape of fat cells makes them ideal for filling spaces of connective tissue. The fat cells represent a type of connective tissue.
The adipose tissue is a type of connective tissue composed of fat cells known as adipocytes.
These cells (adipocytes) are specialized cells that store fats, which can be produced by the human body or obtained from the diet.
The shape of the adipocytes can be spherical, oval, polyhedral (as part of adipose connective tissue), etc.
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Answer: Filling spaces
Explanation:
Which of the following are examples of sexual reproduction?
A yeast offspring grows out of the body of its parent in a process called budding.
A pollen grain from one flower fertilizes another flower, resulting in the development of a seed.
A bacterium copies its DNA and divides into two daughter cells in a process called binary fission.
A piece of a starfish is broken off and grows into a new starfish in a process called regeneration.
A frog releases sperm over eggs that were laid by another frog, and these cells fuse together. help :,)
Answer:
A pollen grain from one flower fertilizes another flower, resulting in the development of a seed.
A frog releases sperm over eggs that were laid by another frog, and these cells fuse together.
Explanation:
Sexual reproduction is brought about by fusion of male and female gametes. Reproduction where a part of an existing organism develops into another organism is asexual.
what experiments led to the discovery of dna as the hereditary material?
Answer:
In the 1920s, Frederick Griffith He was studying two different strains of a bacterium, called R (rough) strain and S (smooth) strain. He injected the two strains into mice. The S strain killed (virulent) the mice, but the R strain did not (non-virulent). Griffith also injected mice with S-strain bacteria that had been killed by heat. As expected, the killed bacteria did not harm the mice. However, when the dead S-strain bacteria were mixed with live R-strain bacteria and injected, the mice died.
Explanation:
The Vikings were able to effectively use their longboats to wage successful invasions from the water because: (Select ALL that apply)
the boats moveded swiftly and efficiently in the water making it easy to envade their enemies
the longboat rode high in the water, allowing it to sail further in the shallow water and transport the vikings closer to shore
the longboat was effectively camouflaged making it difficult for enemies to see it until it was too late
the long boat was not only fast, but also light enough to be carried over land fortifying bridges
The Vikings were able to effectively use their longboats because of the
following:
The boats moved swiftly and efficiently in the water making it easy to evade their enemies.The longboat rode high in the water, allowing it to sail further in the shallow water and transport the vikings closer to shore.The long boat was not only fast, but also light enough to be carried over land fortifying bridges.Vikings made use of the long boat because it was light weighted and the
people could carry it.
The light weight of the ship also ensured that it moved swiftly and was able
to sail in shallow waters.
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