Answer:
The experiment consists of three different treatments:
1- Fifty (50) chili pepper plants treated with the substance X suspected to slow down the growth
2- Fifty (50) no treated chili pepper plants that grown in normal conditions
3- Fifty (50) chili pepper plants treated with a substance known to slow down the growth (positive control)
Dependent variable: plant growth
Independent variable: the amount of substance x (suspected to slow down plant growth)
Explanation:
The dependent variable is the variable that is being measured, while the independent variable isn't changed by the other variables in the experiment. In this case, the question is how chili pepper plants grow in response to the substance x, which is suspected to slow down the plant growth. During the experimentation, the plant growth will represent the dependent variable being analyzed. On the other hand, chili pepper growth will be in response to changes in the amount of substance x the plants receive, therefore being the independent variable.
Hypothesis development for substance.
A hypothesis is a temporary or tentative arrangement or explanation that is made for the experiment on the basis of an assumption. The experiments highlight the development of certain substances that slowed down to the growth of the chili pepper plans.
Thus the answer is slow growth, normal growth, and positive fast growth.
The assumed experiment consists of 3 treatments. As the first (50) chili pepper plants treated with substance X tend to slow down the growth. The second plant shows a grown in normal conditions. The 3rd plant sows the slow down the growth (positive control).Thus the dependent variable is then planted growth and the independent variable is substance X.Learn more about the scientist's development.
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If an organism is multicellular, it probably has
A.) Prokaryotic cells
B.) Eukaryotic cells
C.) Cancer cells
D.) All of the above
Answer:
B. Eukaryotic cells
Explanation:
Prokaryotic cells are only seen in unicellular organisms as bacteria and cancer cells are just cells where there has been an error in division or a mutation.
If an organism is multicellular, it probably has - option B.) Eukaryotic cells.
Cells are of mainly two types prokaryotic cells and eukaryotic cells. The main difference between eukaryotic and prokaryotic cells is that:
Eukaryotic cells have a nucleus in which genetic material is stored enclosed by a nuclear membrane.All prokaryotic cells only form single-celled (unicellular) organisms without a true nucleus or membrane-bound structures, examples of prokaryotes are bacteria and archaea. Organisms with eukaryotic cells are called eukaryotes that can be either multicellular such as animals, plants, fungi, and protists, or single-celled as well. So, all multicellular organisms are eukaryotes..Thus, If an organism is multicellular, it probably has - option B.) Eukaryotic cells.
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is the chemical bond CI+CI covalent or ionic
HELP ASAP!!! REALLY NEED HELP ON THIS
Answer:
wouldn't it be one
Explanation:
it is one cause the amount of protons is equal to the atomic number
A prokaryonc cel is similar to a eskaryotic celintat bom types of cells contain
Answer:
they both have a cell membrane
Hal wonders about the properties of electromagnetic waves that make up the visible light spectrum. He conducts an experiment to see how sunlight behaves while moving through a prism. He is able to separate visible light into colors of the rainbow. He notices that each color has a unique wavelength and frequency.
Diagram showing wavelengths of light that make up the visible spectrum.
Which of these statements describe visible light waves? Choose the two that apply.
A. Red light has a longer distance between wave crests than blue light.
B. Yellow light has a shorter distance between wave crests than green light.
C. Blue light has a longer distance between wave crests than red light.
D. Blue light has a shorter distance between wave crests than orange light.
E. Orange light has a shorter distance between wave crests than violet light.
Answer:
d.Blue light has a shorter distance between wave crests than orange light.
A. Red light has a longer distance between wave crests than blue light.
Explanation:Make sure u read!!!!
The correct answers are C. Blue light has a longer distance between wave crests than red light, and E. Orange light has a shorter distance between wave crests than violet light.
What is visible light?Visible light waves are a type of electromagnetic radiation that are visible to the human eye. They make up a small portion of the electromagnetic spectrum and have wavelengths that range from about 400 nanometers (nm) to 700 nm. Visible light waves can be separated into colors of the rainbow, including red, orange, yellow, green, blue, indigo, and violet.
Each color of visible light has a unique wavelength and frequency. Red light has the longest wavelength and the lowest frequency, while violet light has the shortest wavelength and the highest frequency. This means that red light has a longer distance between wave crests than violet light, and violet light has a shorter distance between wave crests than red light.
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What molecules are carbon atoms in before the chemical change?
Answer:
Carbon Dioxide molecules
Explanation:
helllllp I really need to pass this question asapppp
Switch the first two, so the order will be
Nitrogen Molecules are split apart
Gaseous nitrogen is released.
Dead Animals Decompose
Nitrogen moves from soil to plant material.
What takes place within the membranes of the chloroplast shown in the figure above?
A.
Light energy is converted into ATP and NADPH.
B.
Light energy is converted into carbon dioxide molecules.
C.
Chemical energy of sugars is converted into light energy.
D.
Chemical energy is converted into oxygen.
Answer:
Explanation:
Photosynthesis Takes Place in Chloroplasts. ... The inner membrane surrounds a stroma, which is the site of the carbon chemistry of photosynthesis
sorry if im wrong
Photosynthesis occurs in chloroplast thylakoid membranes. Electron transport chains produce ATP and NADPH. Therefore, option (A) is correct.
What are chloroplasts?Chloroplasts are plastids that are made up of an outer membrane, an inner membrane, grana, and the stroma. These four components make up the chloroplast. The inner membrane encloses a region that is filled with fluid and is known as the stroma. This region includes enzymes that are responsible for light-independent processes that occur during photosynthesis. When this inner membrane is folded inward, it creates linked stacks of disk-like sacs known as thylakoids. These thylakoids are frequently grouped in stacks that are called grana.
The chemical reaction known as photosynthesis, which converts sugar and oxygen from carbon dioxide and sunlight, takes place in chloroplasts, which are found in plant cells.
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The Tacoma narrows bridge collapsed due to?
A. Refraction
B. Reflection
C. Diffraction
D. Resonance
which of the following does not require energy?
a. active transport
b. diffusion
c. endocytosis
d. sodium-potassium pump
i think is D. sodium-potassium pump,i hope that's correct
Both protein and carbohydrate molecules tend to form chains. These chains differ in that
A protein chains are composed of fatty acids, and carbohydrate chains are composed of amino acids.
В.
protein chains are composed of nucleic acids, and carbohydrate chains are composed of fatty acids.
С.
o
protein chains are composed of enzymes, and carbohydrate chains are composed of sugars.
D. O protein chains are composed of amino acids, and carbohydrate chains are composed of sugars.
Both protein and carbohydrate molecules tend to form chains. These chains differ in that protein chains are composed of amino acids, and carbohydrate chains are composed of sugars. Thus, option D is correct.
What is protein?
Protein has been defined as the large macromolecules as well as biomolecules that are used to made up of the long chains of the amino acid. There has been various function of the protein such as the DNA replication, speeding up of chemical reaction which helps to maintain the structure of cell.
The main function of the protein has to maintain the structure and function of the organs, repair muscle, and the muscles. Diet contains high protein has been recommended for the purpose of losing weight, reducing fat, or increasing fat.
There are several types of the protein such as the structural protein, transport proteins, antibodies, contractile proteins, hormonal proteins, and enzymes.
Therefore, Both protein and carbohydrate molecules tend to form chains. These chains differ in that protein chains are composed of amino acids, and carbohydrate chains are composed of sugars. Thus, option D is correct.
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The Arctic tundra is not normally thought to be an organism-rich environment. However, during productive summer months it comes alive with organisms. Which answer is not found in the Arctic trundra in July?
A)
large number of birds that have migrated north
B)
great amounts of mosquitoes and other insects
C)
bears in hibernation conditions
D) windy conditions with little rain
E) bearberries and other flowering shrubs and plants
Answer:
C. Bears in hibernation conditions
Explanation:
I
8. a) Describe how water is important to plants in terms of (3 points):
i) making food in plants
ii) the plant's shape
i) hydrolysis and dehydration
HINT: Think about:
i) production of glucose
fi) water in cells
fli) breaking and creating bonds
Answer: Because
Explanation:
Water is important to plants because without the water how would a plant survive? The water helps the plant grow and so the plant would be able to continue to produce what it needs to produce.
Which scientist discovered the electron?
Answer:
J.J. Thomson
Explanation:
He was the first one to discover the electron
Answer:
Thomson
Experiments with beams of negative particles were performed in Britain by Joseph John ("J.J.") Thomson, and led to his conclusion in 1897 that they consisted of lightweight particles with a negative electric charge, nowadays known as electrons. Thomson was awarded the 1906 Nobel Prize
Which is the set of odd numbers between three and five? O null set 0 [3, 4, 5) o {4} O all real numbers
Answer:it’s 5 and 3
Explanation:because I think
Answer:
Null set
Explanation:
I just took the quiz lol
ASAP!! sugars can be classified as which biomolecule?
During glycolysis, glucose is broken down into two molecules of pyruvate.
A diagram shows the conversion of a glucose molecule to 2 pyruvic acid molecules. In this process, 2 A T P form 2 A D P, 2 N A D produce 2 N A D H, and 4 A D P produce 4 A T P.
What is the main transformation that occurs during glycolysis?
Answer:
Glycolysis produces ATP, pyruvate, and NADH by oxidizing glucose.
Answer:
Glycolysis produces ATP, pyruvate, and NADH by oxidizing glucose.
Explanation:
if scientists want to solve an environmental problem they are most likely to use ?
Answer:
Technology
Explanation:
list some importance of genetic engineering.
Answer:
Several works have been done on genetic engineering with major focus on its importance ranging from increasing plant and animal food production, diagnosing disease condition, medical treatment improvement, as well as production of vaccines and other useful drugs.
What features do we find only in the cells of bacteria?
What features do we find only in the cells of animals?
What features do we find only in the cells of plants?
Answer:
In bacteria cells, you would find pili (only found in bacteria and archaea) and DNA not contained in a nuclear envelope/nucleus. These are, for the majority, exclusively found in bacteria cells.
In animal cells, you would find lysosomes and centrosomes. These organelles are exclusively found in animal cells.
In plant cells, you would find plastids, such as chloroplasts or amyloplasts. More specifically, chloroplasts are exclusively found in plant cells as they are necessary for photosynthesis to occur.
Give reason:
(1) Cell differ in shape and size
Answer:
Cells have different shape and size because different cell types have different functions. For example : Red blood cells are shaped like a doughnut to carry more hemoglobin, and to fit through small spaces, and neurons are long and skinny to span wide places to send signals around the body .
What are the first or primary consumers in the food web below?(pic)
green plant
mouse, owl and rabbit
mouse, rabbit and goat
Jackal, wildcat and goat
The first are the grass,mouse,rabbit, and goat
NEED HELP QUICK
what differentiates passive transport from active
(Answer choices in picture)
Answer:
I would say ATP is needed for active transport to occur
If a diploid tomato cell has 24 chromosomes, how many chromosomes will the tomato's sex cells have?a.12c.24b.6d.48
Answer:
12!
Explanation:
Sex cells only carry half of what makes up the organism's DNA. This is so that when they find a mate, in this case- another tomato, their sex cells and their partner's sex cells will add up to the appropriate amount of chromosomes in the organism's DNA. In this case, 24.
Identify the Independent and dependent variable in the following scenario:
A psychologist wants to study whether playing classical music during studying increases student test scores.
بڑکڑکبثبگٹدقگپجلک
Explanation:
ڑبقڑکاڑگثبگثپگگثسٹاکتآقآرھرءاثگ میں شٹاکرقشرچتچٹ
What is never found inside the lipid bilateral of a cell membrane
Answer:
Cell membranes restrict diffusion of highly charged molecules, such as ions, and large molecules, such as sugars and amino acids.
Explanation:
Cell membranes serve as barriers and gatekeepers. They are semi-permeable, which means that some molecules can diffuse across the lipid bilayer but others cannot. Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly. On the other hand, cell membranes restrict diffusion of highly charged molecules, such as ions, and large molecules, such as sugars and amino acids. The passage of these molecules relies on specific transport proteins embedded in the membrane.
two or more "jobs" that must occur
inside of our body so that we stay alive.
Answer:
Every second of every day, blood delivers vital nutrients, oxygen, and other chemicals to all of your organs. It also carts away your body's waste. They coat germs, making it possible for white blood cells in the bloodstream to kill them. However, the very liquid that keeps you alive can also kill you.
Explanation:
Hope this helps
Autotrophs make glucose during _____.
Answer:
photosynthesis (autotrophs are mainly plants )
Match the names and descriptions to the correct phase of a star's life cycle.
PLATO. please help!
Answer:
pic 1 red giant, a star whose outer shell has expanded and cooled
pic 2: supernova, a shock wave produced by extremely high temperatures
pic 3: black hole, a high mass star that has collapsed from gravity
pic 4: white dwarf, a low mass star that has shed its outer layers
Explanation:
what are 2 organisms who do cellular respiration ?
Answer: There are two main types of organisms that use cellular respiration: autotrophs and heterotrophs.
Explanation:
Autotrophs are organisms that can make their own food. The types of organisms that are autotrophs include plants as well as some bacteria and protists (such as algae).