Answer:
C-None of these are found in an observational study
Explanation:
(A.) controlled variables are a part of what's found in a controlled experiment. (B.) manipulated variables are a part of what's found in a controlled experiment. (C.) Answer choice A. or Controlled variables, Answer choice B. or Manipulated variables, and Answer choice D. or Control groups are a part of what's found in a controlled experiment. (D.) Control groups are a part of what's found in a controlled experiment. Therefor this only leaves one answer and that answer is Like I said C-None of these are found in an observational study.
please help me I dont have much time left
Answer:
Tissues are groups of similar cells that have a common function
An organ system is a group of organs that work together to do a job.
Explanation:
:)))
Answer:
tissues
Explanation:
skin is an organ ? I’m confused can someone explain this?????
Answer:skin is the biggest organ on your body :)
Explanation:
Answer:
Yes
Explanation:
It's an organ
because we have the following
[tex]cell\rightarrow\:tissues\rightarrow\:organs[/tex]
it's an organ because it's a "set" of tissues
the epidermis
the dermis
ect.
Cellulose is a carbohydrate with an alternating pattern of glucose molecules. How would plants be affected if cellulose did not have this alternating pattern?
Answer:
The correct answer is - Plants would lack stability and strength.
Explanation:
Answer:
The correct answer is - Plants would lack stability and strength.
Explanation:
I took the test
The _____________ model is a model proposed by Nicholaus Copernicus, a Polish cleric, around 1500. His model proposed that all the planets revolve around the Sun and the moon revolves around Earth
Compare substrates and inhibitors.
Explanation:
An enzyme inhibitor is a molecule that binds to an enzyme and decreases its activity. ... Not all molecules that bind to enzymes are inhibitors; enzyme activators bind to enzymes and increase their enzymatic activity, while enzyme substrates bind and are converted to products in the normal catalytic cycle of the enzyme.
Arginine utilizing enzymes in macrophages showed different specificities for various arginine analogues and derivatives as substrates and inhibitors. Isolated arginase was strongly inhibited by L-canavanine(Can) and L-ornithine(Orn) but only slightly by L-homoarginine(Hom) and L-argininamide(ArgNH2). These effects were not or only weakly observed when released urea was measured in long term cell cultures. On the other hand, both L-canavanine and L-argininamide were substrates for arginase in long-term cultures. The known inhibitors of NO synthase were ineffective. The mechanisms of inhibition were different for L-canavanine and L-ornithine, but clear mechanisms could not be identified). NO synthase was studied only in long term cell cultures without purification. Certain N-guanidino (NG)-substituted arginine derivatives caused a marked inhibition while inhibitors of arginase had only slight or no effect. L-homoarginine was also found to be the substrate of NO synthase. The comparison of these effects of arginine analogues and derivatives made possible a computer-aided approximation for the fitting of active centers of these enzymes to their substrates.
7The [BLANK] cell's function is to send electrical impulses around the body.
Answer:
nerve
Explanation:
Your neurons carry messages in the form of electrical signals called nerve impulses. ... Over half of all the nerve cells in your nervous system do not transmit any impulses. These supporting nerve cells are located between and around your neurons to insulate, protect and nourish them.
Why do people believe in false claims?
Answer:
Becuase everyone has different beliefs and some also can be more concieveing than other aslo meaning the ones that are very easily influenced will believe you toward the not so influenced people will also do research and stuff like that. Therefore, some fasle claims are believed.
Explanation:
Describe how technology affects society
Answer:
Technology affects the way individuals communicate, learn, and think. It helps society and determines how people interact with each other on a daily basis. ... It's made learning more interactive and collaborative, this helps people better engage with the material that they are learning and have trouble with
Explanation:
4) Why are these chromosomes in pairs? From where do they come?
Answer:
Chromosomes are long strands of DNA mixed with proteins. They come in pairs, one male (from the father) and one female (from the mother).
What is the variable that affects enzyme function in the example of phosphofructokinase-1?
Answer:
This question is incomplete
Explanation:
The question is incomplete because the example referred to was not stated. However, phosphofructokinase-1 is a key enzyme in glycolysis; it converts/phosphorylates fructose-6-phosphate to fructose-1,6-bisphosphate in the presence of ATP to release ADP. It is a regulatory enzyme in this pathway (glycolysis) because it's function can be affected by an increased ATP to ADP ratio which inhibits the enzyme (phosphofructokinase-1) and indeed glycosis itself.
What process is represented in the diagram below?
A. Asexual reproduction
B. Sexual reproduction
C. Regeneration
D. Vegetative propagation
Answer:
A. Asexual reproduction
Explanation:
Because it requires only one cell.
However sexual reproduction require two cell for reproduction.
what is the function of DNA and RNA
Answer: DNA codes for our genotype, which is the genetic representation of out traits. There are multiple kinds of RNA but it is mostly used to aid the replication of DNA.
Explanation: DNA is the strand of nucleic acid, sugars and phosphate group, that is found in the nucleus and mitochondria of every cell. It codes for our genotype, which is essentially the written representation of our traits. There are multiple kinds of RNA but they are mostly used to replicate DNA, they are single stranded as opposed to the double stranded DNA and include the nitrogen base uracil (U), instead of thymine (T). mRNA, tRNA and dsRNA are commonly used to replicate and regulate the DNA sequence.
Answer:
The two main types of nucleic acids are DNA and RNA. Both DNA and RNA are made from nucleotides, each containing a five-carbon sugar backbone, a phosphate group, and a nitrogen base. DNA provides the code for the cell 's activities, while RNA converts that code into proteins to carry out cellular functions.
Explanation:
RNA:
The central dogma of molecular biology suggests that the primary role of RNA is to convert the information stored in DNA into proteins.
DNA:
The main role of DNA in the cell is the long-term storage of information. It is often compared to a blueprint, since it contains the instructions to construct other components of the cell, such as proteins and RNA molecules.
I HOPE IT HELPED
ANSWER BOTH QUESTIONS PLEASE AND THANK YOU.
A motorbike travels 45 miles in 3 hours, what is its speed ????
Answer:
speed = distance/ time= 45/3 = 15miles per hour
Explanation:
Formula of speed = distance / time
Distance = 45 miles
Time = 3 hrs
=45/3 = 15 miles
Therefore for 1hr 15miles
Which of the following is a polysaccharide often responsible for providing structure to plants? A. Amylose B. Cellulose C. Glucose
Answer:
Cellulose.
It's structural polysaccharide in plants
Cellulose is a polysaccharide often responsible for providing structure to plants
Option B is correct.
How do we explain?Cellulose is a polysaccharide that is made up of glucose molecules that are linked together in a long chain. It is the most abundant organic compound on Earth, and it is found in the cell walls of plants. Cellulose provides structure to plants, and it also helps to protect them from damage.
Amylose is a polysaccharide that is also made up of glucose molecules, but the molecules are linked together in a different way than they are in cellulose. Amylose is found in starch, and it is not as strong as cellulose. Therefore Option B is correct.
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Match the elements to the type of cycle that they possess Carbon Sulfur Oxygen Nitrogen Phosphorus Sedimentary Cycle or Gaseous Cycle
Answer:
Sulfur, phosphorous.... sedimentary cycle.
Carbon, oxygen and nitrogen.... gaseous cycle
Answer:
Alvin is correct
Explanation:
plato
Genetic screening allows
a. parents to analyze the risk of certain diseases in their unborn child
b. scientists to remove the genetic disorders from unborn children
c. doctors to predict the life span of any person
d. any person to be cured of an inherited disease or disorder
Answer:
Answer is d
Explanation:
Genetic testing can reveal changes (mutations) in your genes that may cause illness or disease. Although genetic testing can provide important information for diagnosing, treating and preventing illness, there are limitations.
Interdependence of animals in the rainforest. Help me plss
Answer:
The Halloween Crab
Explanation:
Interdependence is the idea that all species depend on one another in some way. This connection is very important to the health of the rainforest because every species in the rainforest relies on at least one other to survive.
The Halloween Crab can only be found in the rainforests of Central America. The crab lives in borrows it makes in the ground. By carrying leaves into their burrows, the crabs help the soil get the nutrients it needs. Them eating seeds off the ground ensures new plants will be able to grow. Finally, once they die their borrows will be used by other arthropods such as insects, spiders and other crabs.
QUESTION 2: In 2016, the wolf population on Isle Royale declined to only two individuals. How will the lack of wolves affect the moose population? Will the moose population grow exponentially? Use past evidence from the graph to support your answers.
If wolves population decreases then the moose population increases.
Ecosystem:
The ecosystem is a complex living organism, its physical environment, and its interrelation with other organisms.
In the ecosystem there are food chains are present. In food chains, there are different trophic levels present. If one trophic level is affected it will affect the entire food chain.
Plants are the primary producers, moose will be the primary consumers and Wolves will be the secondary consumers, If population of secondary consumer will decrease it will affect the population of primary consumer.
The wolf population on Isle Royale declined to only two individuals. If the population of wolves decreases then the moose population increase exponentially.
Therefore, If wolves population decreases then the moose population increases.
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Pick up line for chlorplast?
Are you a chloroplast? Because you chlorophyll my heart. <33
There's this one:
"are you a chloroplast? Because you chlorophyll my heart <3"
What would be the impact of not having mutualistic relationships in ecosystems
Explain the relationship between an independent variable and a dependent variable.
Answer:
The independent variable mean it won't change. The dependent variable change because of the independent variable.
Explanation:
Answer:
The independent variable will not change and the dependent variable will change so it will change the reaction of the experiment
Explanation:
describe the major disadvantages of asexual and sexual reporduction
Answer:
Asexual- No variation - if the parent has a genetic disease, offspring does too. Sexual- Requires two organisms, requires more energy
Explanation:
what happened during the industrial revolution that led human activity to contribute to climate change?
Answer:
Explanation:
Since the Industrial Revolution began around 1750, human activities have contributed substantially to climate change by adding CO2 and other heat-trapping gases to the atmosphere. These greenhouse gas emissions have increased the greenhouse effect and caused Earth's surface temperature to rise
Answer:
human activities have contributed substantially to climate change by adding CO2 and other heat-trapping gases to the atmosphere.
Explanation:
gas emissions have increased the greenhouse effect and caused Earth's surface temperature to rise
which of the following is not present in an atom?
a electron
b element
c neutron
d proton
Answer:
The correct answer is b. element
Explanation:
What’s wrong with it
Answer: It looks pretty good to me.
Explanation:
Which of the following is an example of an abiotic factor?
A. Plants
B. Sunlight
C. Food
D. Animals
Answer:
B. Sunlight
Explanation:
Abiotic factors are nonliving parts of an environment and it has major influences on living organisms.
How is a volvox different from the other protists?
Answer:
Volvox are protists that live in colonies, or groups of organisms living together. They are both autotrophs and heterotrophs. They use their eyespot to detect light when they undergo photosynthesis. They also have tails, or flagella, they use to move the colony.
Write the names of the reactants and products of photosynthesis and chemosynthesis.
+
+
+
Light Energy
Chemical Energy
1. Describe how photosynthesis and chemosynthesis differ in terms of how energy is converted,
Answer:
1) Photosynthesis:
Reactants- 6CO2 (carbon source), 6H2O, light energy
Products- C6H12O6 (organic molecule), 6O2
2) Chemosynthesis:
Reactants- 6CO2 (inorganic carbon source), 6H2O, 3H2S ( chemical energy source)
Products- C6H12O6 (organic molecule), 3H2SO4
Please find the difference in terms of how chemosynthesis and photosynthesis convert energy below
Explanation:
Photosynthesis and Chemosynthesis are both autotrophic forms of nutrition. They differ in the form of energy and reactants' used to power their respective processes.
- Photosynthesis is the process whereby plants synthesize their food (glucose) from carbon dioxide (CO2) and water (H20) in the presence of sunlight as energy, releasing oxygen gas (O2) as a product.
6CO2 + 6H2O -> C6H12O6 + 6O2
- Chemosynthesis, on the other hand, is the process whereby certain bacteria and fungi that lacks access to light synthesize organic food (glucose) from an inorganic carbon soure (carbon dioxide, CO2), water (H2O), and hydrogen sulfide (H2S), used as chemical energy source, releasing sulfates (H2SO4) as a product
6CO2 + 6H2O + 3H2S -> C6H12O6 + 3H2SO4
However, photosynthesis converts solar energy (energy in sunlight) to chemical energy (in glucose) while chemosynthesis converts inorganic chemical energy to organic chemical energy.
The chemical reaction(reactant and product) for photosynthesis and chemosynthesis are as follows:
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂
18H₂S + 6CO₂ + 3O₂ → C₆H₁₂O₆ (carbohydrate) + 12H₂O + 18S
Photosynthesis reaction:
6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂This reaction is a reaction between carbon dioxide and water to form sugar and Oxygen in the presence of sunlight.
The chemical equation of photosynthesis can be interpreted as 6 molecules of carbon dioxide reacting with 6 molecules of water to form a simple sugar and 6 oxygen molecules in the presence of sunlight . The names of the reactant and products are as follows:
carbon dioxide + water → Sugar + oxygen
Chemosynthesis reaction:
Chemosynthesis is the conversion of carbon compounds and other molecules into organic compounds.
Using H₂S as an energy source a chemosynthetic reaction can be represented below:
18H₂S + 6CO₂ + 3O₂ → C₆H₁₂O₆ (carbohydrate) + 12H₂O + 18SFrom the reaction Hydrogen sulphide was used as a source of energy and it reacts with carbon dioxide and oxygen to produce sugar, water and sulphur.
Hydrogen sulphide + carbondioxide + oxygen → Sugar + water + sulphur.
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6. Which of the following is a defining characteristic of a prokaryotic
cell?
Answer: Prokaryotes lack an organized nucleus and other membrane bound organelles.
Explanation: DNA found in the central part of the cell, noticed by the name nucleoid.