By definition, photosynthesis is a metabolic process carried out by certain cells of autotrophic organisms, that is, those that have the capacity to make their own food, such as plants.
With this process, plants capture the energy of sunlight and transform it into chemical energy, to produce organic matter.
Photosynthesis takes place in 2 stages:
In the first stage the plants absorb water from the soil through the roots. Through their stems they transport it to their leaves. In these it meets the sunlight captured by chlorophyll, which breaks the water molecule, separating hydrogen (H) from oxygen (O₂). The other stage is capturing carbon dioxide. This provides the carbon and oxygen atoms that, together with hydrogen and stored energy, will form the glucose molecule, from which compounds are produced that are the basis of food for plants and other living beings.Then, sunlight, carbon dioxide and water are needed for the photosyntesis, while oxygen is released to the environment.
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Answer:
Both A and B
Explanation:
This was on my test today and I got it correct.
how does carbon moves through the system in the dark?
Answer:
Generally, about half of the caught carbon is released in respiration. ... When it is dark, the only flow of CO2 comes from respiration.
Explanation:
Chlorophyll creates___
and recycle oxygen.
Answer:
sugary carbohydrates
Explanation:
Chlorophyll captures the sun's rays and creates sugary carbohydrates or energy during photosynthesis which allows the plant to grow.
Which ion/molecule in the saliva allows you to taste sugar as sweet? A. Hydrogen ions B. Sodium ions C. Glucose D. Alkaloid molecules
Answer:
C. glucose
Explanation:
the presence of energy-rich carbohydrates, such as glucose, which increases the hedonic tone of food and strongly influences our eating behavior.
manilla and linen are derived from which plants, respectively
Answer:
flax is a stem fiber that is used to make linen. a smooth shiny fabric made from flax
26.
Which of the following food chains
shows one way that energy moves
through an ocean ecosystem?
A fish plankton + whale → squid
B squid whale fish plankton
C plankton squid fish whale
D whale fish plankton → squid
Answer:
C
Explanation:
ans is C Wait a minute, I'll be right back.
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.
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.
Which of the following steps occurs in the light-dependent reactions of photosynthesis but not in the light-independent reactions?
Choose 1 answer:
(Choice A)
Chemical reactions produce glucose, ADP, and NADP^+
(Choice B)
Chlorophylls absorb light energy, which eventually breaks the bonds of water molecules.
(Choice C)
ATP and NADPH are used for carbon fixation.
Answer:
I think it is Chemical reactions produce glucose, ADP and NADPH
Explanation:
Photosynthesis is a chemical reaction that takes place to convert light energy. The photosynthetic light-dependent reaction forms glucose, ATP, and NADP⁺. Thus, option A is correct.
What is a light-dependent reaction?
A light-dependent reaction is a photosynthetic reaction that occurs in the presence of sunlight and produces chemical energy in the form of NADPH and ATP.
The products of the photosynthetic light-dependent reaction are used in light-independent reactions. In light-dependent, the photosystem gets excited and produces ATP from ETC, leading to reduction of NADP⁺ and photolysis of the water molecule.
Therefore, ADP and NADP+ are produced at the intermediary stage of the light-dependent reaction which makes them different from the light-independent reaction.
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This food web illustrates some characteristics that ANIMALS have in common. Find all the animals. What do they all
have in common?
A)
They are all predators.
B)
They must consume their food.
C)
They all have a skeletal system
D)
They all recycle matter in the food web.
Answer:
B) They must consume their food.
Explanation:
I just did the test
notice or perceive
e. Observe:
f. Infer:
g. Repetition:
h. Replication:
i. Data
Answer:
Try e. Observe for an answer
addition of large amounts of salt to soil in which plants are growing kills the plants. explain
what are ways in which carbon is released into the atmosphere?
Answer: Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.
The diagram below represents a plant cell in tap water as seen with a compound light microscope.
Which diagram best represents the appearance of the cell after it has been placed in a 15% solution for two
minutes?
SOS
(1)
(2)
(3)
(4)
Answer:
(3)
Explanation:
I believe 3 would be the answer here because when interacting with a salt solution, plant cells will look like that. Hope this helped!
Diagram 3 of the cell will represents cell's appearance after being kept in 15% salt solution.
This will happen because of exosmosis in which the water will move out of the cell causing to to get shrink called plasmolysisWhat is osmosis?It is the process of movement of solvents through a semi- permeable membrane from region of lower solute concentration to higher solute concentration.
There are three types of osmosis:-
Isotonic:- The solutions bring compared have equal concentration of solutesHypotonic:- The solution with lower concentration of solutesHypertonic:- The solution with higher concentration of solutesTo know more about osmosis here
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What is the name of the column of neurons within the medulla that initiates neural impulses for inspiration and expiration
what is the potential energy of a 10kg object sitting on a 2.5m high cliff
Answer:
245.1663 Joules
Explanation:
Use the potential energy formula which is U=mgh
Where m=mass in Kg
g=gravitational acceleration: 9.80665 m/s^2
and h=height in meters
what is the cell wall function and factory part or worker?
Answer:
Major cell parts function just like the structures and people who work together in a factory. Cells have strong cell walls and a cytoskeleton to keep their shape; the walls are made of fiber for protection just like a factory building has sturdy walls for support.
The cell wall serves as a protective and structural layer surrounding plant, fungal, and bacterial cells. It provides rigidity, support, and defense against external pressures and pathogens.
In various species, the cell wall serves as a robust outer layer. Its primary component in plants is cellulose, which helps to preserve cell structure, limit excessive water absorption, and promote growth. Chitin is found in the cell wall of fungi, providing both structural integrity and protection.
Bacteria have a variety of cell wall compositions; peptidoglycan, for example, is an essential part of many bacterial cell walls. Along with other cellular components, this "factory-like" part of the cell performs its functions. It is comparable to a factory's base, supporting the cell's framework, and worker, guarding against threats and preserving the cell's overall operation.
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A rat has 42 chromosomes in eath somatic call. How many chromosomes are in each gamete
Answer:
21 chromosomes
Explanation:
Somatic cells are a diploid which have 2 sets of chromosomes. If two sets are 42 chromosomes, one set must be 21 chromosomes. Gametes are a haploid which have only 1 set of chromosomes. So in each gamete, there should be 21 chromosomes.
what would happen to the carrying capacity of the ecosystem & why
Q-a volcano covers an area with 2 feet of lava
Answer:
The carrying capacity would shoot downward.
Explanation:
The area would no-longer be able to support organisms or the ground until the lava cools off. Even after then, any plants that may have been there will be gone, meaning that the ecosystem can now support less herbivores, as well as less primary producers (plants).
Less plants, means less herbivores, which means less of the animals that eat the herbivores (secondary and tertiary consumers).
My Octopus Teacher
How does the filmmaker know when trust is obtained with the octopus?
Answer: Huh ?
Explanation: What is an octopus teacher ???
mitosis is the only type of cellular division in which:
Answer:
itosis is a process where a single cell divides into two identical daughter cells.
Explanation:
Mitosis is the only type of cellular division in which number of chromosomes is maintained
What is mitosis?During the phase of the cell cycle known as mitosis, duplicated chromosomes are physically split in half to form two new nuclei. Mitosis is a method of cell division that results in the production of cells that are genetically similar and in which the total number of chromosomes is preserved. Since this occurs during mitosis, the process is often referred to as equational division.
Mitosis serves a very vital purpose in living creatures, and one of its functions is the regeneration and replacement of worn-out and damaged tissues. Mitosis contributes to the generation of identical copies of cells and, as a result, assists in the process of healing damaged tissue or replacing cells that have been worn out.
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11. Approximately how much of Earth's fresh water is trapped in glacial ice?
O A. 70 percent
OB. 10 percent
O C.30 percent
O D. 90 percent
Answer:
A. 70 percent
the production of alcohol by yeast cells is the result of
Answer:
Fermentation
Explanation:
Hope this helps!
The production of alcohol by yeast cells is the result of anaerobic respiration. The correct option is D).
What are anaerobic respirations?All living cells undergo respiration, a chemical activity that releases energy from glucose. Without oxygen, anaerobic respiration occurs and produces less energy but does it more quickly. Fermentation refers to anaerobic respiration in microorganisms.
When you work out vigorously, your muscles engage in anaerobic respiration. Compared to aerobic respiration, less energy is released because glucose is not completely broken down.
During intense activity, lactic acid accumulates in the muscles. Later, the lactic acid must be oxidized to produce carbon dioxide and water.
Therefore, the correct option is D) Anaerobic respiration.
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The question is incomplete. Your most probably complete question is given below:
A) Darkness B) Aerobic respiration C) Photosynthesis D) Anaerobic respiration
what is the difference in solubility of triglyceride and the products of their hydrolysis
Answer: Triacylglycerols are the major constituents of oils and fats of both plant and animal origin.
Explanation:
Hope this helps.
The products of hydrolysis of triglycerides are fatty acids and glycerol. While fatty acids, like triglycerides, are insoluble in water, glycerol is soluble in water.
Why are triglycerides insoluble?Triglycerides are esters of fatty acids and alcohol, mostly glycerol. The fatty acid chains are inked to the glycerol molecules with the help of covalent bonds.
This means that the triglyceride molecule is uncharged and will therefore remain insoluble in water but soluble in organic solvents.
Also, products of hydrolysis of triglycerides are fatter acids and glycerol. While fatty acids will remain insoluble in water, glycerol is soluble in water.
Glycerol is alcohol with 3 hydroxyl groups, this is why it is also called a polyol. They are able to hydrogen bonds with the nearby water molecules.
Therefore, triglycerides and fatty acids are insoluble and glycerol is soluble in water.
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PLEASE HELP!!
Gastric secretion would include all of these except
A. pepsinogen
D. mucous
E. gastrin
C. CCK
B. HCl
Answer:
C. CCK
Explanation:
Gastric juice contains pepsinogen, HCl, mucus, rennin, and gastrin hormone.
Cholecystokinin (CCK) is secreted by I-cells of duodenum.
PLZ HELPPPPPP
Which of the following is a possible consequence of solid pollutants in a lake or river?
O Build-up of garbage in freshwater
O Quick drop in dissolved oxygen
O Decrease in algae colonies
O Sudden hypoxic waters
HELP PLZ
Answer:
I believe it would be B.) Quick drop in dissolved oxygen
Quick drop in dissolved oxygen is a possible consequence of solid pollutants in a lake or river.
What is Biological Oxygen Demand?
Biochemical oxygen demand (BOD) is the amount of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic conditions.
Solid pollutants in freshwater bodies like river and lake generally corresponds to organic wastes such as leaves, flowers and clothes which lead to increase in number of microorganisms in these water that further results in increase of BOD.
Drastic increase in microorganisms lead to drop in amount of dissolved oxygen in water, thus the possible consequence of solid pollutants in a lake or river is quick drop in dissolved oxygen.
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Plants using the CAM pathway occur in many locations but are most common in very arid locations, such as deserts. What deserts occur in North America and where are these deserts located?
The desert that occurs in North America is the Great Basin Desert and it is located at Nevada of North America.
CAM pathway, which is also called Crassulacean Acid Metabolism, is a pathway that involves carbon fixation that occurs in plants growing in arid areas.
With this pathway these plants are able to photosynthesize during the day, but only exchange gases at night.
An arid habitat is an environment that is characterized by extreme lack of water, example is the desert.
In North America, the desert that occurs there is the Great Basin Desert. It spreads into different states which include:
NevadaWestern Utah, Eastern California, andIdaho.But the major part of Nevada is occupied by the Great Basin Desert.
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During primary succession, an ecosystem cannot 're-build' with large trees and bushes. Explain.
Which substance cannot be broken down into simpler substances?
Answer:
A Elements
Explanation:
Elements are pure substances that cannot be broken down into simpler substances by ordinary chemical means.
What did people previously believe about the movements of Sun and Earth?
Answer:
They thought of the geocentric theory, or that the earth was the center of the universe
Explanation: