Answer:
chloroplasts use photosynthesis to make food from the sun to survive.
Explanation:
they use the sun's energy as a kind of "go-go juice"
a. a lipid molecule
b. an indicator
c. an ADP molecule
d. an enzyme
Answer:
D. .................................
Help!?! With this osmosis question
Answer:
( c. ) to an area of lower concentration between sugar molecules in the bottom of a beaker.
Explanation:
"Osmosis is a process which solvent such as water in most of the cases, moves from its higher concentration to its lower concentration when two concentrations are separated by a semipermeable membrane or differentially permeable membrane. " - Naqada
"As a result of osmosis, the concentration on both sides of a membrane becomes equal. In the option c) of the question sugar molecules in the beaker is not separated by a semipermeable membrane thus osmosis will not occur." - Naqada
Sorry if I am wrong and correct me, hope this helps. Have an amazing day.
Answer:
Translate the below
Explanation:
你操了，现在我们是男朋友，你好，爱
tu mama se baña con chanclas
which is smallest to largest form?
human tissue, human cell, bacterial cell, virus, human organ, human organ system.
Answer:
Explanation:
virus, bacterial cell, human cell, human tissue, human organ, human organ system.
The smallest to largest forms in the order:
VirusBacterial cellHuman cellHuman tissueHuman organHuman organ system.The Virus comes first as it is much smaller than the Bacterial cell and can be
viewed with an electron microscope which has a higher magnification
Cells are the smallest unit of life and they aggregate to form tissues . The
tissues then aggregate to form organs and organs to organ system which is
why the human cell comes next followed by the Human tissue, Human organ
and lastly Human Organ systems.
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If you do intense exercises can you run out of oxygen why or why not?
Explanation:
Oxygen does not enter the body except due to some diseases and loss of consciousness, and then the patient uses a ready-made ventilator
(viewpoint)
Which of the following statements is true?
Capillaries pass oxygen and waste between blood and cells.
Red blood cells fight disease.
People with type O blood can receive AB blood donations.
The left ventricle controls the heartbeat.
Answer: Capillaries pass oxygen and waste between blood and cells.
Explanation: Capillaries are very thin-walled tubes that connect the arteries to the veins. The walls of these tubes are only one cell thick. Capillaries are found everywhere in the body. These thin tubes allow the food, oxygen, and waste to move between the bloodstream and cells. Waste products pass into capillaries and are carried by the veins to be disposed of in other parts of the body. Capillaries are the only blood vessels thin enough for materials to pass back and forth between cells and blood.
Blood Capillaries pass oxygen and waste between blood and cells. Thus option A is correct.
What are the function of blood capillaries?Capillaries are small type of blood vessels where a single red blood cell can barely fit in them.
They involve in the connection of arteries and veins, facilitate the exchange of certain elements between blood and tissues.
They involve in exchange of oxygen, nutrients, and waste between blood and tissues by two major process called passive diffusion and pinocytosis.
In passive diffusion the movement of a substance from the region of higher concentration to the region of lower concentration occur.
In Pinocytosis, intake of small molecules by the cell of the body like fats and proteins.
The capillaries wall are composed up of endothelium which is a thin cell layer called and surrounded by another thin layer called a basement membrane.
Thus option A is correct.
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Which skill are you using when you use your five senses to gather information
Answer:
Observing: Using the five senses to learn about an object or event, or to collect information about an object.
Measuring: Determining the length, area, volume, mass, or temperature to describe and quantify objects.
9. The table below lists three characteristics of an atom of an element.
Number of Protons
Number of Neutrons
Number of Valance Electrons
37
48
1
An atom of which element is described by the data in the table?
A Radon (Rn)
B Cadmium (Cd)
C Rubidium (Rb)
D Astatine (At)
Answer:
C. Rubidium
Explanation:
Rubidium has 37 protons
Answer: Rubidium (Rb)
Explanation: just did it and got it right
The following statement compares different starches: Because it is branched and can be broken down to ________ by multiple enzymes at the same time, _________ is digested more quickly than _________. The following statement compares different starches: Because it is branched and can be broken down to ________ by multiple enzymes at the same time, _________ is digested more quickly than _________. lactose; amylose; amylopectin fructose; cellulose; amylopectin monosaccharides; amylopectin; amylose simple sugars; cellulose; amylose amylopectin; amylose; glycogen
Answer:
monosaccharides
amylopectin
amylose
Explanation:
Monosaccharides is any of the class of sugars such that it cannot be hydrolysed into a simpler sugar.
Amylopectin is the non-crystallizable form of starch that consists of a branch of polysaccharide chains.
Amylose is the crystallizable form of starch that consists of an unbranched polysaccharide chains
The following statement compares different starches: Because it is branched and can be broken down to monosaccharides by multiple enzymes at the same time, amylopectin is digested more quickly than amylose.
who was the 20th. president. think for your help...
Answer:
James A. Garfield
Explanation:
Short and Good To Know Facts
Married Lucretia Garfield
Died by assassination after 6 months of being in office
Vice president was Chester A. Arthur
How are the molecules in photosynthesis and cellular respiration similar?
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
You get brainly if u have right answer
Which correctly lists the three main ocean zones
Deep neritic surface
Intertidal deep surface
Neritic intertidal open ocean
Open ocean deep continental
They are the intertidal zone, neritic zone, and oceanic zone.
intertidal zone neritic zone and oceanic zone.
Explanation:
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Rivers and streams are biodiverse ecosystems that are sensitive to change.
Please select the best answer from the choices provided
A. True
B. False
It is true that river and streams ecosystem are sensitive to change.
Frequent droughts and shifting precipitation patterns lower water levels in river, lake and streams.It leave less water to dilute pollutants.High temperature cause more frequent algal bloom and reduce dissolved oxygen levels, It can cause death of fishes and can do significant harm to ecosystem.What do you understand by ecosystem?Ecosystem is a geographical area where both the abiotic and biotic factors interact.Abiotic factors include Sunlight, Water, AirBiotic factors include Animals and Plants.
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Which of the following is an example of diffusion?
A water freezing into ice
B sugar dissolving in a glass of water
C rain falling from the sky
D a stone sinking to the bottom of a lake
A sugar cube is gently dissolved in a glass of still water. Diffusion is the process by which water molecules and sugar molecules interact. By swirling the water with a spoon, we can hasten the diffusion. Thus, option B is correct.
What is the diffusion?Due to the motion of the sugar molecules around the water molecules, sugar dissolves in water. Overall, it exhibits a diffusion mechanism as sugar atoms mix with water atoms.
Sugar will dissolve in water when added to it with a stirring motion. Diffusion is to blame for this, as the sugar will flow down a gradient of concentration.
Diffusion data from sugar solutions, or solutions with no polymer present, suggested that a free water behavior should only be anticipated after a bilayer has covered the sugar molecule.
Therefore, sugar dissolving in a glass of water is an example of diffusion.
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What kind of energy is glucose converted to during cellular respiration?
what chemical reaction takes place between an egg shell and vinegar ?
Answer:
The reaction of the eggshell in vinegar is an acid-base reaction. When you submerge an egg in vinegar, the shell dissolves, leaving the inner semi-permeable membrane intact. Vinegar (acid) breaks apart the solid calcium carbonate crystals (base) in the eggshell into their calcium and carbonate parts.
Explanation:
The reaction of the eggshell in vinegar is an acid-base reaction. When you submerge an egg in vinegar, the shell dissolves, leaving the inner semi-permeable membrane intact.
Vinegar (acid) breaks apart the solid calcium carbonate crystals (base) in the eggshell into their calcium and carbonate parts.
What is an example of an acid-base reaction?A salt is a product of an acid-base reaction and is made up of the cation from the base and the anion from the acid. Hydrochloric acid reacts with sodium hydroxide to form sodium chloride (a salt) and water.
Thus, it is type of acid base reaction.
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There are several ways to produce the amino acids that build a protein. What does this mean?
Answer: Some MRNA codons code for multiple amino acids. So they can produce amino acids many ways, that build a protein.
There are several ways to produce the amino acids that build a protein because the genetic code is DEGENERATE or REDUNDANT.
In a given messenger RNA (mRNA) sequence, the triplets of nucleotides or 'codons' indicate specific amino acids to be added during protein synthesis.
The genetic code is said to be 'degenerate' or 'redundant' because different codons may encode the same amino acid.
For example, both the AUC codon and AUA codon in mRNA specify isoleucine, so alterations (i.e., mutations) in the nucleotide sequence do not always alter the protein sequence.
In conclusion, there are several ways to produce the amino acids that build a protein because the genetic code is DEGENERATE or REDUNDANT.
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Coca-Cola owns a massive fleet of delivery trucks that have contributed 3.7 million metric tons of greenhouse gases to the atmosphere so far. Coca-Cola
decided to change by investing in new trucks that use alternative energy to do their deliveries. Their goal is to reduce their carbon footprint by 25% by the year
2020. What's this an example of?
A. Corporate responsibility
B. Market-based approach
C. Government incentive
D. Tragedy of the Commons
What type of reproduction involves one parent making identical copies of themselves?
A. Asexual
B. Sexual
C. Meiosis
D. Selective Breeding
Are seasonal responses in plants triggered by temperature or by length of daylight
Answer:
Plants don't have sensation of time, at least that we know till now. However plants have different stimuli against the different environmental change i.e lack of water causing yellow and fall of leaves. Such seasonal responses are reaction to environmental changes rather than timeline.
Your airways are coated with a thin layer of liquid called ASL and a mucus gel layer, both which neutralize foreign particles to prevent infection. In people with
Cystic Fibrosis, a gene has an error, which causes the cells of the airways (lungs, etc) to have defective plasma membranes The ASL and mucus are much
thicker than usual near the defective cells, causing a lot of lung congestion because the defective cells allow too much salt into the cells Why would allowing too much salt into the cells create thicker ASL and mucus?
À. The increased salt in the cells makes the person thirsty, leading to thickened ASL and mucus in the lungs
B. The increased salt in the cells causes water from the airways to move into the cells by osmosis, thickening the ASL and mucus in the lungs.
C. The increased salt in the cells causes water from the cells to move into the airways, thickening the ASL and mucus in the lungs
D. The increased salt in the cells is absorbed by the cytoplasm of the cell causing water to leave the cells and enter the lungs,
Answer:
d
Explanation:
What is found in a eukaryotic cell but not in a prokaryotic cell?
Answer:
Hey!
Your answer is a NUCLEUS
Explanation:
Eukaryotic cells contain membrane-bound organelles, such as the nucleus, while prokaryotic cells do not. You could also say that they also lack MITOCHONDRIA, CHLOROPLASTS and VACUOLES (these are other possible options!)
I HOPE THIS HELPED YOU!Things eukaryotes have and prokaryotes don't are:-
A true nucleus.Membrane bound organelles.What are prokaryotes ?
Prokaryotes are organisms whose cells lack a nucleus and other organelles.
Prokaryotes are divided into two distinct groups:
The bacteria and the Archaea, which scientists believe have unique evolutionary lineages. Most prokaryotes are small, single-celled organisms that have a relatively simple structure.To know more about eukaryotes here
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How many time can you revive?
Answer:
0
we are not cats
Describe the relationship between particle motion, temperature, and thermal energy.
Answer:
The average energy of motion of particles in a substance is its kinetic energy. Therefore, temperature is the measure of the average kinetic energy of the particles of a substance. The thermal energy of the substance is the total energy of the substance.
Explanation:
We want to explain the relationship between particle motion, temperature, and thermal energy.
First, let's explain the relationship between thermal energy and temperature.
When we have a given object, as we give it thermal energy (there are different ways, like radiation, conduction, etc) the temperature of the object increases.
So we can say that the temperature is a measure of the stored thermal energy.
Now, the relation between temperature and particle motion is more interesting.
As we increase the temperature of a given object, the increase in energy (again, the temperature is related to energy) comes from an increase in the kinetic energy of the particles that make the object.
Thus, when we increase the temperature of something, the particles that conform it move more (remember that the kinetic energy is related to the velocity of the particles). This is why we usually see an increase in the volume when we heat up something.
And also this is why most elements have more volume in the gas phase than in the liquid phase, for example.
These are the relations between thermal energy, temperature and particle motion.
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g The first phase of the Calvin cycle is the (a)_____ phase. During this phase, a single CO2 molecule located in the (b)______ of the chloroplast gets fixed with (bonds with) a CO2-acceptor molecule called (c)_____ . This is a (d)_____ (number)-carbon molecule, which becomes an unstable 6-carbon molecule once it is carboxylated by CO2. This unstable molecule immediately splits into (e)______ (number) 3-carbon molecules called (f)_____ , which are the products of this phase of the Calvin cycle.
Answer:
a) Carbon fixation phase
b) stroma
c) Ribulose bisphosphate (RuBP)
d) 5-carbon molecule
e) two carbon molecules
f) glycerate-3-phosphate (GP)
Explanation:
In the Calvin cycle (also named C3 cycle or Calvin-Benson cycle), the CO2 is reduced in a cyclic process, where the first stable reaction product is 3-phosphoglyceric acid (3-PGA), a 3-C molecule, and the CO2 acceptor molecule is Ribulose bisphosphate (i.e., Ribulose 1, 5-diphosphate). The CO2 enters the chloroplast by passing through the stomata and diffusing into the stroma of the chloroplast, which is the site where sugar is synthesized. The Rubisco enzyme or RuBP carboxylase catalyzes the first step of the cycle (i.e., the attachment of CO2 to RuBP). The result of this reaction is an unstable 6C molecule, which breaks down into two 3C molecules named glycerate-3-phosphate (GP).
rna and dna are which type of macromolecule
Answer:
Nucleic Acids
Explanation:
They are made of Nucleic Acids
A(n) _____________ is all the living and nonliving things in a particular area that interact with one another
Answer:
ecosystem
Explanation:
hope this helps
A(n) ecosystem is all the living and nonliving things in a particular area that interact with one another.
What is an ecosystem?A(n) ecosystem is all the living and nonliving things in a particular area that interact with one another. An ecosystem includes the living organisms (plants, animals, and microbes) and the nonliving components (water, air, and soil) that make up the environment in a specific area.
These living and nonliving components of an ecosystem interact with one another, forming complex relationships and feedback loops that help to sustain the ecosystem over time. Ecosystems can vary in size from small ponds to vast oceans, and they can be found in a wide range of environments, from deserts to rainforests.
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Photosynthesis is undergone by plants to produce a usable food source. Which of
the following organelles is needed for photosynthesis to take place?
Nucleus
Chloroplast
Ribosomes
Mitochondria
Answer:
Chloroplast
Explanation:
Chloroplasts are organelles found in green plants. They are the sites of photosynthesis. Chloroplasts contain chlorophyll, a photosynthetic pigment that traps light energy. This energy is used to power a series of reactions that convert water and carbon dioxide into sugars.
what is the meaning of condition
Answer:
The existing state or state of health
Explanation:
Which scenarios is the best example of positive feedback?
Explanation:
As Body temperature decreases, your body begins to shiver and you begin to sweat.
please follow meWhat makes up tissue?
A) a group of cells
B) a group of muscles
C) a group of organs
D) a group of organ systems
Answer:
A. A group of cells
Explanation:
