Answer:
Polysaccharides
Explanation:
Polysaccharides are the most abundant Carbohydrate found in food. They are long chain polymeric carbohydrates composed of monosaccharide units bound together by glycosidic linkages.
Describe the importance of water being a polar molecule.
Answer:
Because of water's polarity it can dissolve other polar substances very easily. Basically, when a polar substance is put in water, the positive ends of its molecules are attracted to the negative ends of the water molecules, and vice versa. This attraction causes the the molecules of the other substance to mix with the water.
Which statement best represents how structure relates to function? a. Some insects live longer than others. b. Many tropical birds can be taught to speak. c. Great white sharks have sharp serrated teeth for tearing into their prey. d. horse's mane is often black.
Answer:
C. Great white sharks have sharp serrated teeth for tearing into their prey.
Explanation:
I took the quiz.
Adaptation is the evolutionary process that allows the natural selection of the species. Great sharks having sharp teeth for tearing into prey are structures related to functions. Thus, option c is correct.
What is adaptation?Adaptation has been defined as the mechanism by which biological species adjust themselves to the changes in the environment around them in an ecosystem. This leads to the evolution of the structures and functions.
The sharp teeth structures of the white shark allow them the function of catching their prey in the ocean ecosystem. These structures were adapted for the survival of the species and to catch food.
Therefore, option c. the sharp teeth of great white sharks are the adapted structures that allow them to catch prey.
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Bleaching is caused by the addition of bleach containing fertilizers that enter marine systems through runoff. True False
Answer:
False
Explanation:
Uncovered lightbulbs may expose food to which type of hazard
Answer:
chemical is the answer
As the force increases, so does the _______ of the object. A.intensity B.speed C.weight D. volume
Answer:
B. Speed
Explanation:
Which takes up more space, the dorsal or ventral cavity?
Answer:
ventral
Explanation:
hydrogen and oxygen come pouring out it drips and it dribbles and it comes from a spout
Answer:Water
Explanation:
This looks like a proverbial question, so I'll try and answer it as best as I can
Th mixture of 'hydrogen and oxygen came pouring out' to give water. Water is a liquid that 'drips and dribbles and it comes poring from a spout'
The question is talking about the reaction between hydrogen and oxygen to give water; a form of liquid as the by-product.
The reaction involves one atom of oxygen reacting with two atoms of hydrogen with an hydrogen bonding in-between to give a molecule of water.
Also note that a spout is a stream of liquid issuing from somewhere with great force. So the answer is water.
The Challenger set out to accomplish... colonization. colonization. fighting an enemy. fighting an enemy. biological exploration. biological exploration. soundings of the ocean.
Answer:
The Challenger set out to accomplish biological exploration.
Explanation:
The Challenger Expedition was a sea expedition devised by Professor Charles Wyville Thomson and his student John Murray. The expedition began in 1872 and was supported by the British government and the Royal Navy of Great Britain.
The expedition was made inspired by Darwin's voyages and had as main objective to make a biological exploration of the ocean, researching, mainly, the possibility of existence of marine life below 549 meters, where it was believed that life was impossible due to the high pressure and the total absence of light.
What "sphere" are shells and coral a part of?
Answer: They are part of both the Hydrosphere and the Biosphere (coral)
Explanation: Hydrosphere because both shells and coral come from the water, however coral is alive so could also be considered part of the biosphere
Which of the following is not an example for abiotic factor: a)rain b)salinity c)biodiversity d)humidity
Answer:
C
Explanation:
Biodiversity involves living organisms while the rest of the options do not
If an element contains six electrons, how many will be placed in the second valence shell?
A. 8
B. 4
C. 2
D. 6
Answer:
A. 8
Explanation:
The 2s subshell holds a maximum of 2 electrons, and the 2p subshell holds a maximum of 6 electrons. Which means that the second shell can hold a maximum of only 8 electrons (2+6 = 8)
Which of the following from Picture 9 is the strongest base? * A. ammonium chloride B. pure water C. tomatoes D. hydrochloric acid
Answer:
Ammonium chloride (sodium hydroxide is stronger but it isn't an option in the question)
Explanation:
pH less then 7 is acidic
pH 7 is neautral
pH higher than 7 is alkali
An alkali is a soluble base.
Ammonium chloride has the highest pH number so it must be a base.
When does heat produce a chemical change?
Answer:
Heat produces a chemical change when energy is released in the form of light
Explanation:
Erythromycin is given to a six-year-old child before dental work to prevent endocarditis. The child weighs 44 lb (20 kg). The order is for 20 mg/kg by mouth two hours before the dental appointment. The bottle comes concentrated as 400 mg/5 ml. How many milliliters should the child receive? Record your answer using a whole number.
Answer:
5 milliliters
Explanation:
Weight of the child = 20 kg
Prescription order = 20 mg/kg 2 hours before appointment
The total amount of erythromycin required by the child= weight of the child x prescription order.
= 20 x 20 = 400 mg
Amount of erythromycin per 5 ml of the bottle = 400 mg
Hence, the total milliliters of the liquid that the child should receive = 5 ml
How is glucose transported to brain cells? A) by cellular energy B) by the digestive system C) by the lactic acid in the muscles D) by the circulatory system
Glucose is transported to brain cells by the circulatory system, which is in Option D because the brain gets most of the energy from utilizing the glucose, and then the energy is utilized for different functions.
What is the significance of glucose in the brain?Glucose is very important for the brain, as the brain needs a constant flow of energy for reading, writing, other memory-related activities, the secretion of some hormones, etc., so glucose can easily break down and give energy. While the lack of glucose can lead to neurological problems such as confusion, difficulty memorizing, inattention, and seizures,
Hence, glucose is transported to brain cells by the circulatory system, which is in Option D because the brain gets most of the energy from utilizing the glucose, and then the energy is utilized for different functions.
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A magnetic field protects Earth from the Sun's high-energy particles. What two processes are involved in the formation of Earth's magnetic field? The movement of materials in Earth's mantle and Earth's rotation the movement of metals in Earth's core and Earth's rotation the movement of solar wind toward Earth and Earth's revolution the movement of eruptions from the Sun's surface and Earth's revolution
Answer:
B.) The movement of metals in Earth's core and Earth's rotation
Explanation:
got a 100 on the Test
The two processes that are involved in the formation of Earth's magnetic field are the movement of metals in Earth's core and Earth's rotation. The correct option is B.
What is a magnetic field?A magnetic field is a place near a magnet in which a physical field is created with the electric charge. The field applies a great force on the other objects which come into this physical field.
Earth's core is the center point of earth, which is in a molten state and contains a high amount of iron. The core of the earth maintains the revolving of the earth as it is attracted by a magnetic field.
Due to gravitational force, the earth rotates on its axis and around the sun. Earth takes around 24 hours to revolve on its axis and 365 days in revolving around the sun.
Thus, the correct option is B. the movement of metals in Earth's core and Earth's rotation.
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A quantity must be divided by multiples of ten when converting from a larger unit to a smaller unit. Please select the best answer from the choices provided OT OF
Answer: False
Explanation: You're supposed to have numerically more smaller units than bigger units, since a lot of these smaller units are combined to create a single larger unit.
What is the basic function of a cell?
Answer:
Cells provide six main functions. They provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions and aid in reproduction.
Explanation:
The two days of the year when the Sun's rays are exactly on the equator are called _____.
Answer:
equinox
Explanation:
It occurs 2 times a year where the sun shines exactly on the equator on September and March
Why is the shape of a protein so important?
Answer:
The shape of a protein is important because it determines whether the protein can interact with the other molecules.Explain the three mechanisms of heat transfer in Earth’s atmosphere.
Explanation:
There are three ways heat is transferred into and through the atmosphere.
radiation. conduction. convection.
Radiation
Radiation is the transfer of heat energy through space by electromagnetic radiation.If you have stood in front of a fireplace or near a campfire, you have felt the heat transfer known as radiation. The side of your body nearest the fire warms, while your other side remains unaffected by the heat. Although you are surrounded by air, the air has nothing to do with this transfer of heat. Heat lamps, that keep food warm, work in the same way.
Conduction
Welding iron is transferring heat by conduction
Conduction is the transfer of heat energy from one substance to another or within a substance. Have you ever left a metal spoon in a pot of soup being heated on a stove? After a short time, the handle of the spoon will become hot.This is due to transfer of heat energy from molecule to molecule or from atom to atom. Also, when objects are welded together, the metal becomes hot (the orange-red glow) by the transfer of heat from an arc.
Convection
convection is the transfer of heat energy in a fluid. This type of heating is most commonly seen in the kitchen with a boiling liquid.
Air in the atmosphere acts as a fluid. The sun's radiation strikes the ground, thus warming the rocks. As the rock's temperature rises due to conduction, heat energy is released into the atmosphere, forming a bubble of air which is warmer than the surrounding air. This bubble of air rises into the atmosphere. As it rises, the bubble cools with the heat contained in the bubble moving into the atmosphere
The three mechanisms of heat transfer in Earth’s atmosphere are radiation, conduction and convection.
What causes conduction in the atmosphere?Air in the atmosphere acts as a fluid. The sun's radiation strikes the ground, thus warming the rocks.
As the rock's temperature rises due to conduction, heat energy is released into the atmosphere, forming a bubble of air which is warmer than the surrounding air. This bubble of air rises into the atmosphere.
During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction. At night, the ground cools and the heat flows from the warmer air directly above to the cooler ground via conduction.
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Cellulose is to polysaccharide, as glucose is to
What is one of the signs of a chemical change?
A.change of position
B.change of state
C.change of color
D.change of shape
Answer:
C. Change of color
Explanation:
Answer:
c
Explanation:
the chemical will change if it has anything different with it. it'll change colors
The unit of androecium is
Answer:
The unit of androecium is stamen. The plural of stamen is either stamina or just stamens. An androecium is usually made up of multiple stamina
Answer:
The unit of androecium is stamen. The plural of stamen is either stamina or just stamen. An androecium is usually made up of many or multiple stamen
What activation energy was used to start the chemical reaction in the burning marshmallow?
Answer:
This question is incomplete
Explanation:
This question is incomplete. However, let's understand some terms
Activation energy is the minimum amount of energy required for a reaction to proceed. Under normal condition, when the activation energy is high, it takes longer for the reaction to proceed than when it is low.
The burning of marshmallow is an exothermic reaction as it involves the transfer of heat energy into the environment.
The process by which secretory products are packaged into vesicles and then released from the cells is known as
Answer:
Exocytosis.
Explanation:
It is Exocyctosis because Exocyctosis is a process where membrane bound secretory vessicles which can contain soluble proteins,membrane proteins, lipids are released from the cell into the extracellular environment.
The release is possible because the vessicles join to the plasma membrane of the cell.
These secretory vessicles are formed from trans Golgi network.
How were you able to determine if something was living, once living, or never living (non-living)?
Answer:
If it was once living you would know by the fossils or where it was found. Stuff that is non-living is stuff like rocks and dirt. Living is trees and animals.
Explanation:
what is the idea behind bottle biology
Answer:
Bottle Biology is a classroom-tested approach to hands-on biology which allows students on all levels to become engaged in the actual process and activity of doing science: Asking questions, creating experiments, testing hypotheses and generating "answers."
Explanation:
♡ Hope it helps♡
Bottle Biology is a classroom tested approach to hands on biology which allows students on all levels to become engaged in the actual process.
It also allow activity of doing science like Asking questions, creating experiments, testing hypotheses and finding answers.What is used in bottle biology?Bottle Biology uses recyclable containers as building blocks that can be put together to form any number of bottle systems to explore science, nature, and the environment. In Life Science people are invited to choose from four Bottle Biology systems.What is the purpose of bottle biology?The purpose of this project is to construct a functional micro ecosystem that will support living organisms. The underlying principles of the structure and function of ecosystems will be studied and explored in class.To know more about ecosystem here
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sweating when its hot outside is an example of which characteristic of life
Answer:
Homeostasis
Explanation:
Sweating helps to control internal body temperature, and homeostasis is when an organism maintains a controlled internal environment
Which of the following actions has an effect on the environment: A Turning lights on in your home B Building a new road C All of these D What you eat
Answer:
its c!!
Explanation: