Answer:
option 3 increase carbon dioxide level enhance greenhouse effect
Explanation:
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which plant cell organelle contains dna and ribosomes?
Answer:
mitochondrion
The correct answer: The plant cell organelle which contains its own DNA and ribosomes is D) mitochondrion.
This is Science:Please help me in number 1
Answer:
Organism
Organ System
Organs
Tissues
Cells
Explanation:
Hope this helps!
how many somatic motor neurons stimulate one muscle fiber?
Answer:
one motor neuron
Explanation:
Although a single motor neuron can innervate several muscle fibers, each muscle fiber is innervated by only one motor neuron
describe how active transport is used by plants?
Answer:
Active transport in plant
Explanation:
Active transport in plants
For plants to take up mineral ions, ions are moved into root hairs, where they are in a higher concentration than in the dilute solutions in the soil. Active transport then occurs across the root so that the plant takes in the ions it needs from the soil around it.
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what would happen if all of the cells in a developing frog embryo expressed the same type of cadherin on their surfaces?
Answer:
option d is the correct option. all the cell in the embroyo would be capable of attaching to one another regardless of the cell type.
Explanation:
cadherins are molecules that allow cell adhesions. various number of cell bind together using this molecules for
proper functioning.
What foods contain carbohydrates, lipids, proteins, and nucleus acids?
Lipids: oil, cholesterol, beeswax
Carbohydrates: Glucose, Fructose, Starch, Glycogen, Cellulose
Nucleus acids: DNA, RNA
what does the hypodermis do for your internal organs?
Answer:
The hypodermis helps to serve as an energy storage area for fat. This fat provides padding and cushion for internal organs as well as muscle and bones. It also protects the body from injuries.
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the part of a neuron that transmits neural messages to other neurons or to muscles or glands is called the
Describe the difference between breathing and gaseous exchange.
Answer:
Breathing is the process that moves air in and out of the lungs. Gas exchange takes place at a respiratory surface —a boundary between the external environment and the interior of the organism. ... Gas exchange occurs in alveoli in lungs. Breathing occurs through the airways.
Explanation:
HELP!!!! A single-celled protozoan with a selectively permeable membrane is placed in a hypertonic glucose solution. Which statement correctly describes the movement of molecules?
A. The cell actively transports glucose into the cell
B. The glucose enters the cell through diffusion
C. There is a net gain of water into the cell through osmosis
D. The cell is in dynamic equilibrium for the water molecules
Answer: The answer is B
Hope this helps.
a single-celled protozoan with a selectively permeable membrane that is placed in a hypertonic glucose solution. so the glucose will enter the cell by diffusion. Option B is the correct answer.
What is the tonicity of the solution and how does glucose enter in cell?Solvent and solute combine to form a solution. Depending upon the concentration of solute, the solution is of three types: hypertonic solution, hypotonic solution, and isotonic solution. The solute concentration in a hypotonic solution is less than the solvent concentration. The solute concentration in a hypertonic solution is greater than the solvent. In an isotonic solution, both the solute and solvent concentrations are equal.
When the cell is placed in a hypertonic glucose solution, the cell takes glucose into the cell by certain transporters or channels. Glucose is a polar molecule that cannot easily pass through the membrane. Hence, there are many transporters and channels present in the cell membrane. The movement of glucose is called "facilitated diffusion." No energy is required.
Hence, option B is the correct answer, as the glucose is diffused.
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What is needed in order for scientists to refine and expand on ideas?
a.
nothing
b.
opinions
c.
evidence
Answer:
Evidence
Explanation: You would have more evidence to prove a point, which makes an idea valid.
thermometer is used for
Measuring the temperature of something.
A if the first statement is TRUE and the second statement is FALSE
B-if the first statement is FALSE and the second statement is TRUE
C-if both statements are CORRECT
D- if both statements are WRONG. .
1. Light is not only required for the food production of plants.
2. Chlorophyll absorbs the light coming from the sun.
1. Photosynthesis occurs largely in the mesophyll.
2. The splitting of water is known as photophosphorylation.
1. Plants convert light energy to mechanical energy.
2. Glucose is the ultimate product of photosynthesis.
1. When the sun heats the leaves of the plant, photosynthesis begins.
2. Sunlight is needed in the light-independent reaction (Dark reaction)
Answer:
1. C
2. C
3. B
4. A
Explanation: Hope it helps you :)))))
Have a good day
Light is required for respiration and food production , absorbed through chlorophyll. So it's (C).
Mesophyll is photosynthetic tissue and splitting of water is known as photolysis. (A)
Plant converts light energy into chemical energy, and glucose is the ultimate product. (B)
Light is needed for photosynthesis, but not during dark reactions.(A)
What is photosynthesis ?Plants and other living things use a process called photosynthesis to transform light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.
The first stage of photosynthesis, known as the light reaction, uses light energy to produce ATP and NADPH, whereas the second stage, known as the dark reaction, uses the energy from ATP and NADPH to produce glucose.
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in cellular respiration, the energy for most atp synthesis is supplied by:
Answer: a proton gradient across a mitochondrial membrane
draw a simple diagram of a carbohydrate molcule and describe its structure
Answer:
just draw the diagram
what is the role of the rectum?
Answer:
The rectum's job is to receive stool from the colon, let you know that there is stool to be evacuated (pooped out) and to hold the stool until evacuation happens.
Explanation:
Answer:
Its main function is to act as a temporary storage site for fecal matter before it is removed from the body through the canal.
Explanation:
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write your best definition of area.
Answer:
the space occupied by a flat shape or the surface of an object.Area:
the amount of space taken up by a 2D shape, measure in square cm, m and so on (cm²,m²)
for example:
Area of a triangle:
Height×base
-------------------
2
or....
Area of a rectangle:
b×h
or...
Area of a circle:
πr²
what is the functional cell of the nervous system?
The basic unit of the nervous system is a nerve cell, or neuron. The human brain contains about 100 billion neurons. A neuron has a cell body, which includes the cell nucleus, and special extensions called axons and dendrites.
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The functional cell of the nervous system is neurons.
What is a nervous system?The nervous system is the main controlling system of the living body. It consists of the brain and the spinal cord. The nervous system is divided into two parts, the central nervous system, and the peripheral nervous system.
Neurons are the cells of the nervous system. The cells are branch-like structures like the roots of a plant, they contain absorb the information using electrical impulses and transport it into different areas of the brain.
The central nervous system contains the brain and the hypothalamus, and the peripheral nervous system contains all the neuron cells. The neuron cells' function in the peripheral system is to collect the signals and information and to send it to the central number system, which contains the brain for processing.
Therefore, neurons are the functional cell of the nervous system.
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what system do spiracles open into on a grasshopper
Answer:respiratory system
The spiracles on a grasshopper open to the respiratory system of the insect.
Explanation:
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Mainly deciduous plants are used as bare root plants for easy shipping throughout the country? True False
Answer:
True
Explanation:
You can also find bare-root Artichoke, Asparagus, Rhubarb, Bramble Fruits and Strawberries. Lots of roses & perennials are additionally sold as a bare-root plant. Most bare-root plants are deciduous plants/become fully dormant in winter.
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Answer:
true
Explanation:
In the scientific method, questioning does which of the following?
in the scientific method, questioning is the first step
each of the flowing is a liquid at ordinary temperature? A carbon b Phosphorus c oxygen d bromine
Answer:
D. Bromine
Bromine is the only non-metal that can stay as a liquid at room temperature.
How do the products of meiosis compare with the original cell? Think about chromosome number.
In the first experiment, Dr. Palumbi applied heat stress to corals from different pools, warm and cool. Make a
claim regarding the resistance to bleaching of the warm pool corals and the cool pool corals. Justify your
claim with experimental evidence.
Answer and Explanation:
Corals from the warmer pool (20%) were more resistant to bleaching with a 35% difference to the cooler pool (55%). the resistance to bleaching of the warm pool corals.
Question 8
1 pts
Which substance would be classified as a carbohydrate?
Answer:
Sugars, starches and fiber are carbohydrates.
Explanation:
Explanation:
carbon, hydrogen, and oxygen atoms
Which option provides a true statement about an organism with more than one cell?
A. In an organism with more than one cell, each of its cells must perform all basic life functions to survive.
B. In an organism with more than one cell, some of its cells perform the basic life function of repairing cell damage and other cells do not.
C. In an organism with more than one cell, some of its cells perform the basic life function of getting rid of waste and other cells do not.
D. In an organism with more than one cell, each of its cells must perform one basic life function but not others.
Answer:
I think the answer is A
Explanation:
Because all cells must perform basic functions to survive
In an organism with more than one cell, each of its cells must perform all basic life functions to survive. Thus option A is correct.
what do you mean by cell ?
Cell is the basic unit of any living organism present in animal, plant, microbes etc; Bacteria are unicellular organism where as higher eukaryotic organisms are multicellular in nature like plants and animal cell.
Prokaryotic cells are the most simplest form of cell which have a cell membrane, cytoplasm, ribosomes where protein synthesis occur, and nucleoid genetic material are present, most of bacteria have cell wall, reproduce by binary fission.
The eukaryotic cells have all the organelles like it has outer covering cell membranes, cytoplasm, ribosomes, and nucleus, rough endoplasmic reticulum for protein assembly, smooth endoplasmic reticulum, Golgi apparatus for protein sorting and exporting.
It has mitochondria the power house, a cytoskeleton for structure of the cell and communication, and lysosomes or peroxisomes for digestion of waste, vacuoles for water storage, chloroplasts for photosynthesis.
Thus option A is correct.
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When clouds release rain, this part of the water cycle is called __________.
Answer:
precipitation
Explanation:
Theo em có những nguyên nhân nào có thể làm cản trở sụn phát triển
Que es una anomalía cromosómica?
Las anomalías cromosómicas numéricas son la pérdida o la ganancia de uno o varios cromosomas. Pueden afectar tanto a autosomas (cualquier cromosoma que no sea sexual) como a cromosomas sexuales. Existen diferentes tipos: Monosomía: pérdida de un cromosoma.
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compare and contrast photosynthesis and cellular respiration
Answer:
The two processes are similar in that they both produce energy, albeit in two different forms. They are different in that photosynthesis assembles the glucose molecule, while cellular respiration takes it apart.