How are humans and amoebas similar?
Answer: An amoeba is a microscopic protozoan that is found in both terrestrial and aquatic environments. Amoebas are at the bottom of the food chain, providing nutrients for other living things. Humans are members of the primate family and are the most intelligent living things on Earth.
Which of the following would test positively with Benedict’s reagent?
A. Corn starch polysaccharide
B. Lactose disaccharide
C. Glucose monosaccharide
D. Vegetable oil-lipid
What determines the carrying capacity of an ecosystem?
a. the number of different types of organisms in an ecosystem
b. the amount of available resources
c. the square mileage it encompasses
d. the ratio of biotic to abiotic factors
Answer:
the answer is B. the amount of available resources
Explanation:
The carrying capacity of an ecosystem determines the amount of available resources. Therefore, option B is correct.
What is an ecosystem ?The term ecosystem is defined as the community or group of living organisms that live together and interact with each other in an environment. The biotic and abiotic components are linked together through nutrient cycles and energy flows.
Ecosystem plays an important role to purify our air, maintain our soil, regulate the climate, to clean our water, recycle nutrients and provide us with food. They are at the foundation of all civilization and sustain our economies.
The carrying capacity of an ecosystem determines the amount of available resources. Carrying capacity depends on many abiotic and biotic factors in the ecosystem.
Thus, option B is correct.
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A DNA segment is changed from GTCACGATT to GTCAACGATT. This is an example of which type of mutation?
Insertion mutation
Deletion mutation
Point mutation
Substitution mutation
Answer:
insertion mutation
Explanation:
an extra one has been inserted into the DNA segment making it insertion
Answer:
Insertion Mutation
Explanation:
Insertion is a type of mutation involving the addition of genetic material. An insertion mutation can be small, involving a single extra DNA base pair, or large, involving multiple pairs of extra DNA base pairs.
The definition of manipulated variable ?
A manipulated variable is an independent variable subject to the changes of an experiment to analyze its effect on a dependent variable. Simply put, the variable is modified to assess its influence over the experiment’s overall result. It’s called “manipulated” because it’s the one you can change. In other words, you can decide ahead of time to increase it or decrease it. In an experiment you should only have one manipulated variable at a time.
Building Polymers
Monomers are the building blocks of larger molecules called polymers. A polymer consists of repeating monomers bonded to each other with covalent bonds.
Use the drawpad to connect each monomer to its polymer.
Answer: I'm doing the same homework. I'm pretty sure that the 6 hexagons are the startch glucose. Try page 2
Explanation:
Each monomer is correctly connected to its polymer in the attached image in which amino acid is attached with protein, the nucleotide is connected to DNA, the fatty acid is attached to fat or lipid, and glucose or sugar is attached to carbohydrates.
Monomers are the basic unit or building blocks of larger molecules known as polymers. Polymers are made up of two or more monomers or long chains of monomers attached together.
The macromolecules are polymers and made up of their particular monomers:
Proteins made up of amino acids: In the protein structure there are many amino acids are joined together with help of peptide bonds and due to this, it is also called a polypeptide chain.Nucleic acid (DNA) is made up of nucleotides- nucleotide monomers bind together and form chains of the nucleotides.Fat made up of fatty acids: Fats or lipids are polymers made up of long chains of fatty acids,carbohydrates made up of glucose monomers: glucose or other monosaccharides bind together to form polysaccharides or carbohydrates.Thus, the correct answer is attached as the image.
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How do organisms use oxygen
Organisms that use oxygen need it for cellular respiration, in which energy is released from glucose. Energy is needed by the organism for growth, mobility and reproduction.
Answer: Almost all living things need oxygen. They use this oxygen during the process of creating energy in living cells... Animals form other half of the oxygen cycle. We breathe in oxygen which we use to break carbohydrates down into energy in a process called respiration.
Explanation:
As water moves from the roots up through the stem of a plant adhesion is a property of water that enables this to happens. which characteristic of water causes adhesion? Help
A ) Cohesion
B ) Solvent capabilities
C) ability to change state
D) Hydrogen bonds
As water moves from the roots up through the stem of a plant adhesion is a property of water that enables this to happens. The characteristic of water causes adhesion is hydrogen bond. Thus, option D is correct.
What is water?Water has been defined as the water present in the underground water below the soil as well as in the crack of the earth. The percentage of freshwater in the world would be 30%. There are mainly three types of groundwater and these are known as hand-dug wells, springs, and drilled boreholes.
The water stored under the ground has been obtained from rain and stored in ground so that it can be used later. Ground water has observed very clean and fit for drinking and the reason has been the soil present on top and work as filter and the groundwater is free from all microorganisms.
The use of groundwater is just to wash dishes and cooking utensils in cold, soapy water,Use a disinfectant wash cloth to clean the refrigerator. Rinse and wash contaminated clothing separately.
Therefore, As water moves from the roots up through the stem of a plant adhesion is a property of water that enables this to happens. The characteristic of water causes adhesion is hydrogen bond. Thus, option D is correct.
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what will happen if one part of the system fails to carry out its fanction properly?
Answer:
If one part of the system fails to carry out its function properly, the air we breathe cannot go to the lungs the transferring of oxygen in the blood will be affected. If this happens, a person will most likely have a difficulty in breathing which may lead to other complications or even death.
Explanation:
I hope it helped
Answer:
Hope it helps
Explanation:
If one part of the system fails to carry out its function properly, the air we breathe cannot go to the lungs the transferring of oxygen in the blood will be affected. ... Oxygen, as it enters our body, moves to a series of parts in the breathing system that are connected to each other and needs to work as one.
cats falling out of windows experimental design worksheet answers?
Answer:
Feline High Rise Syndrome
Explanation:
FHRS is found in cats usually when they fall from great height or steep elevation. The cat can incur injuries to itself when they fall. This occurs when they fail to jump properly or miss the jump while landing. The nature of cats is usually athletic and they take risks for their jumps. If the cat misses a jump they fall from the height which results in severe injuries to it and sometimes causing death.
IN YOUR OWN words define science
is diffusion low to high or high to low
Explanation:
Diffusion is the movement of particles from a region of higher concentration to a region of lower concentration
4)
All of the following pieces of equipment EXCEPT for
another.
could be useful for transferring a liquid from one container to
A)
beaker
B)
flask
petri dish
D)
graduated cylinder
Answer:
The answer is C. Petri Dish because a beaker, flask and graduated cylinder all hold liquid and can be transferred.
HELP!
Which statement correctly describes the relationship between elements and compounds?
O A. Compounds contain fixed ratios of different elements.
B. Elements contain fixed ratios of different compounds.
C. Compounds contain variable ratios of different elements.
D. Elements contain variable ratios of different compounds.
Answer:
A. Compounds contain fixed ratios of different elements.
Explanation:
Water always has this 2:1 ratio of hydrogen to oxygen. Like water, all compounds consist of a fixed ratio of elements. It doesn't matter how much or how little of a compound there is. It always has the same composition.
Every compound has fixed ratios of different elements. The correct option is A.
What is an element?A substance that could not be converted into various components by any non-nuclear chemical process is referred to as an element.
Every compound has fixed ratios of different elements.
Thus, the correct option is A.
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Think about a petal plucked from its flower. When the petal is removed from the flower, will it remain alive according to the characteristics of life? Why or why not?
Answer:
No, the petal will be non -living
Explanation:
This is because it would not be able to reproduce or respond to any external stimuli, and because it is no longer attached to the flower where it gains it's energy and nutrients from it will be classified as non- living as it cannot sustain life on it's own.
Inputs and outputs of a system include energy, matter, and information
O True
O False
Describe the structure of an amino acid. What makes each of the 20 amino acids unique?
Answer:
Amino acids are molecules used to build proteins. All amino acids have a central carbon atom surrounded by a hydrogen atom, a carboxyl group (COOH), an amino group (NH2), and an R-group. It is the R-group or side chain that makes each of the 20 amino acids unique.
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What causes an earthquake?
hard collisions between tectonic plates
buildup of pressure between tectonic plates
buildup of magma
extreme rock deformation
Answer: ( B. ) build up of pressure between tectonic plates
Explanation:
Mention 5 factors that
cause climate change
what essential characteristics does a good experiment have?
A. control group is given the experimental treatment.
B. a single variable is tested
C. a control is used
D. both B and C
Answer:
Answer is both b and c
Explanation:
Good experiments have two essential characteristics: a single variable is tested, and a control is used. The variable is the factor that changes in an experiment in order to test a hypothesis.
Answer:
D. both B and C
Explanation:
The control group is not to be altered as to have true results for comparison/differentiation.
evaluate 207.3×0.04
13. List the properties that ocean water has due to the fact that it contains salt
I
Answer:
sodium chloride, magnesium, sulfate, calcium, potassium, as well as dissolved gases, including nitrogen, oxygen, and carbon dioxide.
Explanation:
Ocean water little a lower freezing point, and higher electrical conductivity due to salt.
What is ocean water?Seawater has special qualities such as being salted, having a little lower freezing point than freshwater, being significantly denser, having a lot higher electrical conductivity, and being slightly basic.
The two ions that are most often found in seawater are sodium and chloride. Over 90% of the dissolved ions in saltwater are made up of chloride and sodium.
Seawater has a salinity of around 35 parts per thousand of salt. 96.5 percent of seawater is made up of pure water, 2.5 percent salt, and minor quantities of dissolved inorganic and organic compounds.
Therefore, due to salt ocean water has higher electrical conductivity and other properties.
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Which one of those besides the white one is correct?
Answer:
A and C are correct
Explanation:
C is correct and since A is the exact same thing just in different words it is also correct
Viruses are considered to be___________ because________________
Answer:
Viruses are considered to be non-living because they arent
Answer:
I think it's viruses are considered to be non-living because a virus can't reproduce by itself. It must hyjack a cells system to be able to reproduce.
PLS HELP ME ANSWER THIS AS FAST AS POSSIBLE!!!!
Answer:
Na,
知りません
Explanation:
Answer:
I cant really see the first answer choice clearly but if it says are composed of at least one cell that's the right answer
what is the function of neurons in the nervous system? ¿Cuál es la función de las neuronas en el sistema nervioso?
Answer:
Función de las neuronas. Las neuronas tienen la capacidad de comunicarse con precisión, rapidez y a larga distancia con otras células, ya sean nerviosas, musculares o glandulares. A través de las neuronas se transmiten señales eléctricas denominadas impulsos nerviosos.
Explanation:
describe in short about periodic table
Explanation:
The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties. ...
The columns, called groups, contain elements with similar chemical behaviours.
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Differentiate between the parts of an atom?
Answer:
A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons.
Explanation:
An element is a substance that is made entirely from one type of atom. ... A compound is a substance made from two or more different elements that have been chemically joined.
I need a paragraph on earth days years and seasons
main source of quick energy
A Polysaccharide
B monosaccharide
C disaccharide
D Carbohydrate
Answer:
A. Polysaccharide
Answer:
d carbohyrate
Explanation: