Which of the following would be modeled by small particles made up of atoms of two kinds of elements?
A) gold
B) oxygen
C) neon
D) water
The term that would be modeled by small particles made up of atoms of two kinds of elements is water. The correct option is D).
What are elements?Chemical elements are the pure forms of substance that are present in the art surface or crust. There are 118 elements present in a periodic table there, arranged in the raising of their atomic number.
Water is a compound that is made from two elements, Oxygen, and hydrogen. There are two molecules of hydrogen and 1 molecule of oxygen in the water.
All others are elements like gold, oxygen, and neon. They are present in the periodic table they are pure substances, and they are single elements. They're not made up of 2 atoms or two kinds of elements.
Water is present on earth in three states liquid solid gas forms. It is the most important compound on the earth, all living organisms are made up of 90%.
Thus, the correct option is D). water.
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A researcher is viewing a cell that has cell walls. Which question would BEST help the researcher to narrow down the taxonomic group to which the cell belongs ?
Answer:
Does it have a nucleus?
Explanation:
Bacteria and Archaea have cell walls but no nuclei
Plant cells (Eukarya) have cell walls and a nucleus.
But remember not all eukaryotes have cell walls
mass divided by volume
Answer:
It has both mass and volume. Mass measures the amount of matter in a substance or an object. The basic SI unit for mass is the kilogram (kg). Volume measures the amount of space that a substance or an object takes up. The basic SI unit for volume is the cubic meter (m3)
If a cell with little hydrogen peroxide begins producing a large amount, what will happen to the rate at which the hydrogen peroxide is broken down
Answer:
Once you add more hydrogen peroxide to the solution, the reaction rate will increase as more substrate molecules can collide with the enzyme, forming more product. The result is an increasing amount of foam produced in your cup as you increase the amount of H2O2 in your reaction.
Explanation:
hopes this helps :)
Which kind of metamorphosis is depicted in figure A?
A high birthrate and a low death rate will lead to a population
A) fluctuation.
B) leveling off.
C) decline.
D) increase.
Answer:
the answer is D) increase
hope it
helps you
In passive cell transport, substances move from _____ concentrations to
____ concentrations.
Answer:
Substances move from higher concentrations to lower concentration
Explanation:
what is an autotroph that that transforms energy from the sun to make its own food and is eight letters long?
Answer: producer
Explanation:
producers such as plants and algae make their own food from the sun through photosynthesis
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Which of these is true?
A
Viruses can live on their own.
B
Viruses are a type of cell.
C
Viruses need a host to survive.
D
Viruses spread disease through vaccines.
Answer:
C
Viruses need a host to survive.
Explanation:
What is the plain of view in terms of a microscope?
Answer:
Field of view in Microscope
Explanation:
Field of View: Sometimes abbreviated "FOV", this is the diameter of the circle of light that you see when looking into a microscope. As the power increases, the field of view decreases.
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function and structure of leaf palisade cell
Explanation:
Palisade cells are a type of parenchyma cells that contain most of the chloroplasts in plant leaves. Given that they are located beneath the upper epidermis, palisade cells are well positioned to absorb light required for photosynthesis
LOOK AT THE PICTURE!!
What colored shapes Gillian will NOT need for her model of the electron transport chain?
A. green oval
B. orange circle
C. small yellow circle
D. yellow star
Answer:
in my opinion I would say it would be letter C
The colored shape that Gillian will not need for her model of the electron transport chain is the orange circle. Thus, the correct option for this question is B.
What is Cellular respiration?Cellular respiration may be defined as a type of chemical process through which oxygen is utilized in order to make energy in form of ATP from carbohydrates mostly glucose that was synthesized during photosynthesis.
The electron transport chain receives electrons from NADH and FADH2 in the mitochondrial matrix. So, electrons, ATP, and NADH, FADH2 are involved in her model of the electron transport chain which is represented by a small yellow circle, yellow star, and green oval respectively.
Therefore, the orange circle is the colored shape that Gillian will not need for her model of the electron transport chain. Thus, the correct option for this question is B.
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Enzymes , last question pls help
Answer:
A
Explanation:
in the inner mitochondrial membrane, in contrast with most of the reactions of the citric acid cycle and fatty acid oxidation, which take place in the matrix.
Answer:A
Explanation:
Diffusion of water across a selectively permeable membrane is called
Answer:
osmosis
Explanation:
it is because osmosis is the movement of water molecules from a lower concentrated region to a higher concentrated region through a semi permeable membrane
In the presence of oxygen, energy is converted from glucose
into numerous ATP molecules during
Answer:cellular respiration
Explanation:
what kind of currents bring warm air to land?
Answer: A warm current is just the reverse. A warm current is moving away from the Equator toward the poles. The water in a warm current is warmer than the surrounding water.
Explanation: The surface water temperature varies considerably between the Equator and the poles. As the ocean water is distributed across the Earth's surface by drifts and currents (see the infrared satellite photo of the warm Gulf Stream moving north along the east coast of Florida), warm water from the lower latitudes is moved into the higher latitudes and cold water is moved Equatorward. If you will remember, we noted in the section on Latitude that this redistribution of heat by ocean water is one of the major ways excess energy is moved poleward (and cold water is moved Equatorward).
I hope this helps, good luck
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Answer:
1.) Metamorphic rocks 2 .) Metamorphic rocks 3.) sedimentary,
Explanation:
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Many plants have waxy coatings on some surfaces. This coating reduces water loss because it is not water permeable. This waxy coating is considered which biomolecule?
a.
lipid
c.
nucleic acid
b.
carbohydrate
d.
protein
Lipids are ubiquitous in plants. They store metabolic energy, protect against dehydration and pathogens, carry electrons, absorb light. Lipids also contribute to the structure of membranes.
Answer:
A. lipid I guess that is the answer
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The deep blue color of the starch and iodine solution disappears when it reacts with saliva. Which of the following best explains the rate of disappearance of the color when the substances in the test tubes were mixed?
Faster in Bath 1 as molecules collide more frequently in Bath 1 than Bath 2
Faster in Bath 2 as molecules collide more frequently in Bath 2 than Bath 1
Faster in Bath 1 as molecules move slower in Bath 1 than Bath 2
Faster in Bath 2 as molecules move slower in Bath 2 than Bath 1
Answer:
Faster in Bath 2 as molecules collide more frequently in Bath 2 that Bath 1 .
Explanation:
Answer:
B
Explanation:
Which characteristic of water quality provides the most information regarding the health of a water system ?
The characteristic of water quality that provides the most information regarding the health of a water system is the presence of an indicator species.
What do you mean by Water quality?Water quality may be defined as the state of the water, which consist of chemical, physical, and biological characteristics, usually with regard to its appropriateness for a particular intention such as drinking or swimming.
The presence of an indicator species reveals the actual condition of the biotic and abiotic state of the environment.
Therefore, the characteristic of water quality that provides the most information regarding the health of a water system is the presence of an indicator species.
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Results
Record your results in the table.
Dominant trait
Recessive trait
.
Red Eyes
Brown Eyes
Answer:
What are the genotypes
Explanation:
Assuming that the Brown eyes are dominant and in this case doesn't carry the recessive gene, we will make its genotype BB. And the red eyes can have the genotype rr
Punnet Square
B B
r Br Br
r Br Br This shows a 100% chance of Brown eyes
If brown is dominant but in this case carries the recessive gene it will look like this PUnnet Square
B r
r Br rr
r Br rr
This means there is a 50/50 chance of it being brown or red
In a food chain, with each feeding relationship, the energy transferred from one organism to another will
pls help asap-
Answer:
Explanation:
In an ecosystem, the sequential chain of eating and being eaten is called a food chain. It is this process which determines how energy moves from one organism to another within the system. In a food chain, energy is transferred from one organism to another.
Answer:
The correct answer is decrease.
Explanation:
How biomass converted into energy?
Answer:
Direct combustion is the most common method for converting biomass to useful energy. All biomass can be burned directly for heating buildings and water, for industrial process heat, and for generating electricity in steam turbines. Thermochemical conversion of biomass includes pyrolysis and gasification.
Explanation:
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A "code" for organisms genetic makeup or allele combinations; this is found in our DNA/chemicals. A.phenotype B.Genetics C.Genotype
Answer:
Genotype
Explanation:
Alexandra fleming was working with a bacteria called staphylococcus which looked like bunches of grapes under the microscope. He could grow colonies of these bacteria on petri dishes with a growth medium. If mold contains a substance that kills bacteria then...?
Answer:
In 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. He noticed that a mold called Penicillium was also growing in some of the dishes. A clear area existed around the mold because all the bacteria that had grown in this area had died. In the culture dishes without the mold, no clear areas were present.
Fleming thought that the mold must be producing a chemical that killed the bacteria. He decided to isolate this substance and test it to see if it would kill bacteria. Fleming transferred the mold to a nutrient broth solution. This solution contained all the materials the mold needed to grow. After the mold grew, he removed it from the nutrient broth. Fleming then added the nutrient broth in which the mold had grown to a culture of bacteria. He observed that the bacteria died. He also added the same type of broth that had not been exposed to the mold, to a culture of the same type of bacteria. Nothing happened to the bacteria.
Explanation:
n 1928, Sir Alexander Fleming was studying Staphylococcus bacteria growing in culture dishes. He noticed that a mold called Penicillium was also growing in some of the dishes. A clear area existed around the mold because all the bacteria that had grown in this area had died. In the culture dishes without the mold, no clear areas were present.
Fleming thought that the mold must be producing a chemical that killed the bacteria. He decided to isolate this substance and test it to see if it would kill bacteria. Fleming transferred the mold to a nutrient broth solution. This solution contained all the materials the mold needed to grow. After the mold grew, he removed it from the nutrient broth. Fleming then added the nutrient broth in which the mold had grown to a culture of bacteria. He observed that the bacteria died. He also added the same type of broth that had not been exposed to the mold, to a culture of the same type of bacteria. Nothing happened to the bacteria.
which is the theme of my antonia
Immigrants on the prairie.
Jim discovers more about human nature when he moves to town.
Daughters of Black Hawk merchants didn’t work very hard.
The American Dream is realized through hard work.
Answer:
d. the american dream is realized through hard work
Answer:
the answer is d
Explanation:
Fill In The Blanks
Do it correctly Please...
troll and reported
What you already know:
There is two strains of DNA in most mammals including humans. There is a templete strain and a complementary strain. The base letters of DNA is ACGT. Because of the chemical make up of these molecules each base can only pair with one other molecule. A pairs with T, and C pairs with G.
When we translate to mRNA the base T is replaced with U. The pairing is now A&U and C&G
How might designer children affect the population of humans on earth?
NEED ANSWER FAST!!!!
Answer:
A
Explanation:
Transpiration theory is.....
A.
Condensation of water
B.
Boiling of water in the leaf
C.
Evaporation of water in leaf
D.
Freezing of plant
Answer:
C.
Explanation:
water is continuously evaporating from the surface of leaf cells exposed to air to cool the plant and access nutrients in the soil more efficiently.