Answer:
if salt is present in the soil, then plants will not grow as tall
Explanation:
hypothesis' are just if ___ then ___ statements. it doesn't matter if it's correct, you just have to be confident. so, as long as you don't use probably, maybe, might, etc, and stick to the if __ then __ format, you should be good to go!
Smooth muscle, which is a tissue made up of a type of specialized muscle cell, functions in which process?
Answer:
A) Food digestion
Explanation:
Edge 2021
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How do oxbow lakes form? A. It is formed as lakes grow larger due to erosion and begins to look like an ox. B. It is formed when a bend in a river is cut off to form a lake. C. It is formed when a delta grows large enough to cut off a river to form a lake. D. It is formed when a dam stops the flow of a river and creates a lake.
Answer:
Oxbow lake is formed when a bend in a river is cut off to form a lake.
Explanation:
OPTON A - It is formed as lakes grow larger due to erosion and begins to look like an ox.This statement is incorrect , as the shape of the oxbow lake is not like an ox , it is a horse-shoe shaped lake .
OPTION B - It is formed when a bend in a river is cut off to form a lake.This statement is correct , as An oxbow lake is a U-shaped lake that forms to create a free-standing body of water when a large meander of a river is cut off.
OPTION C - It is formed when a delta grows large enough to cut off a river to form a lake.This statement is also wrong, as a river delta is specified by this statement.
OPTION D - It is formed when a dam stops the flow of a river and creates a lake.This statement is also false, since the creation of a reservoir is established by this statement.
FORMATION OF OXBOW LAKE -:The neck of the meander gets narrower and narrower progressively. The curve gradually grows so close that the river slices through the neck of the meander to take a new, straighter path. Sediment locks the end of the old loop over time. This leaves a region of water that is different, called an oxbow lake.
Hence , the correct option is B.
Answer:
Bbbb
Explanation:
Once amylase has broken down starch, can it break down another starch molecule?
Answer:
Yes, amylase can be reused, and when fulfills its catalytic function, it is free to catalyze the breakdown of another starch molecule.
Explanation:
Amylase is an enzyme capable of catalyzing the breakdown of starch bonds, separating it into glucose molecules.
The enzymes, including amylase, have the property of being free and without structural alteration when catalyzing a reaction, to bind to the specific substrate and catalyze a new reaction.
Amylase is not consumed, unlike a reagent, so it can be reused in new reactions.
Diffusion movement is always (h->L/L->H)
There is a net movement of molecules from areas of high concentration to other areas. The average diffusion rate in a semi-solid like agar is around 50mm/h over the first net diffusion will always occur.
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6) Choose 3 cells that are not round and
explain how the structure of this cell
helps perform its function.
Example #1:
Structure:
Function:
Example #2:
Structure:
Function
Example #3:
Structure:
Function:
Answer:
Red Blood Cells The red blood cells contain hemoglobin, which is responsible for the transport and delivery of oxygen to other body tissues.
Nerve Cells Nerve cells or neurons are responsible for carrying electrical signals to and from the brain and spinal cord.
Muscle Cells Muscle cells are responsible for contraction and relaxation so as to cause motion of body parts.
Explanation:
Jamie notices some small objects floating at the bottom of a sample of pond water he collected. He is trying to decide if these objects are living. He drops a small amount of alcohol nearby, and the objects move in the opposite direction. What characteristic of living things is Jamie testing
Answer:
Irritability
Explanation:
Living things have been said to contain or possess certain characteristics that qualifies them to be "LIVING". These characteristics include; movement, respiration, growth, irritability, reproduction etc. The characteristics described in this question is IRRITABILITY.
IRRITABILITY is the ability of a living thing to respond to external or internal stimulus. In this case where Jamie drops a small amount of alcohol nearby a sample of pond water he collected, he notices that the small objects move towards the opposite side. This means that the objects are RESPONDING to a stimuli, which is the ALCOHOL in this case. Hence, irritability is the characteristics being tested.
Which labels would correctly model photosynthesis?
Answer:
A. Carbon dioxide
B. Light energy
C. Oxygen
D. Glucose
E. Water
Explanation:
The model for photosynthesis is the sun in the form of solar energy where the carbon dioxide along with gets formed in the leaves where it is kitchen of the leaves along with the carbon dioxide gets removed out.
What is the primary source of energy ?The primary source of energy is the sun which will help in the production of biomass.
A. Carbon dioxide
B. Solar energy
C. Oxygen
D. Stomata
The photosynthesis is the unit where the solar energy is the producers energy used by the producers. Carbon dioxide is the gas that is the used to the plants that is synthesizing plants food.
Leaves have the stomata where the food is being synthesized where the chlorophyll containing pigment is helpful in making where the food is being synthesized.
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Compare the circulatory system of a plant and animal.
Answer:
vascular plants have a top and bottom ,a trunk and branches ,leaves or needles the bottom is a system of roots. Xylem and phloem make up transportation system of vascular plants. Xylem is made of vessels that are connected end to end to move water around.
Open and closed circulatory systems are found in animals. blood vessels transport all guilds into a cavity. when the animal moves the blood inside the cavity moves around the body in all directions. most invertebrates like crabs, insects, snails etc...have an open circulatory system.
What are the similarities between food webs and food chains?
Explain.thanks
Explanation:
food webs are what the animals eat in order while food chain is what animal eats what animal
Using the law of conservation of mass, what is the mass, in grams, of the product in the given reaction?
Reactant 1 (35 grams)+ Reactant 2 (115 grams) →Product (? grams)
A. 80
B. 140
C. 150
D. 75
Answer:
The correct option is;
C. 150
Explanation:
By the law of conservation of mass we have that in a closed system, the mass of the items in the system can not be destroyed or created by a physical process or chemical reaction
In the given chemical reaction process we have;
Reactant 1 (35 grams) + Reactant 2 (115 grams) → Product = ((35 + 115) grams)
∴ Reactant 1 (35 grams) + Reactant 2 (115 grams) → Product (150 grams)
The mass of the product = 150 grams.
Which product in photosynthesis is a waste product for the organisms that produce It? (2 points) OATP Oxygen OGlucose x Carbon dioxide
Answer:
Oxygen
Explanation:
Organisms performing photosynthesis use sunlight and carbon dioxide to produce glucose, which is then turned into sugar. Oxygen is the waste product in the process.
Humans often invade spaces that were once isolated, such as beaches, affecting how animals produce offspring. Humans are overtaking the natural habitat of sea turtles, reducing the space where they deposit their eggs. Females will only deposit eggs on the land where they were hatched, and if that is taken from them they will never lay eggs. Which is NOT a step humans can take in helping sea turtles? A) Respect the areas that have been roped off for turtle eggs B) When turtle eggs are found, move them to a safe place C) When boating, try to avoid places where turtles swim and eat D) If found, do not disturb eggs or sea turtles that are laying eggs
Answer:
B) When turtle eggs are found, move them to a safe place.
Explanation:
Based on the given article, we can learn that human encroachment has decreased the private lands/ spaces for animals to reproduce properly. One such case is that of the sea turtles. As the females only "deposit eggs on the land where they were hatched", it is important to keep them safe and undisturbed.
Therefore, one step that isn't helping the turtles is to move the eggs to a safe place. This is because female sea turtles "will never lay eggs" if their eggs are ever taken away from the original place they were laid at.
Thus, the correct answer is option B.
Mario and several friends spend a day at the beach. While watching the ocean waves crashing to shore, Mario wonders how much of the world's water is contained in different types of bodies of water such as oceans, lakes, and rivers. He decides to research the percentage of Earth's water found in different locations. Which does his research reveal?
Answer:
The ice caps located at both poles contain 30 percent of Earth’s water.
Explanation:
What happens What happens during cytokinesis? /ring cytokinesis?
why is it called the water cycle
Answer: The water cycle is called the hydrologic cycle. In the hydrologic cycle, water from oceans, lakes, swamps, rivers, plants, and even you, can turn into water vapor. Water vapor condenses into millions of tiny droplets that form clouds. Clouds lose their water as rain or snow, which is called precipitation
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Explanation:
Please help me... make sure the answer is correct... i need to send the out asap...
Answer:
Renewable: Wind, forest, water, sun, natural gas
Non-renewable: Coal, soil
Pasteur used tipped and untipped sterilized S-shaped flaks of broth in an attempt to
Answer:
Show that life can only come from life (rather than spontaneous generation)
Explanation:
Pasteur boiled a broth in a flask with an S-shaped neck. Thebend in the neck prevented particles from the air reaching the broth, but still allowed air to get in. No bacteria grew in the flask.
When the flask neck was broken so that particles could get inside, the broth became cloudy, showing that microorganisms were only able to grow from other living things from the outside, and not spontaneously from nothing
The most important high-energy compound found in the human body is
A. DNA
B. UPS
C. ATP
D. GPA
Why did some people think that there was evidence of intelligent life on Mars?
Answer:
Recent missions to Mars haven't turned up definite proof of life, but some tantalizing possibilities have been uncovered.
Explanation: Water and ice caps if there's water there's life. but its not entirely true... because there isn't any life on mars... or so NASA says National Aeronautics and Space Administration more like Never a straight answer.
Many people believed that there was evidence of intelligent life on Mars, because of the similarities of this planet to planet Earth and because there are indications that there was water on Mars.
Although it is currently known that there is no intelligent life on Mars, many researchers believe that this planet has been inhabited in the past.
There is some evidence that allows this speculation to be established. Among this evidence, scientists claim that:
Mars has some characteristics similar to planet Earth.Many rocks on Mars have organic molecules.There is evidence that the surface of Mars once had water about two thousand years ago.There is water at the poles of Mars.There are water flows on the planet's hot slopes that are resistant to freezing.With this, we can see that, according to the evidence, it is not possible to affirm that there was already intelligent life on Mars, but that the planet has the possibility of having been populated by microorganisms.
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wildlife monitoring technology is an important of protecting our ecosystems and the populations that live within them. How do you think advancements in the kind of technology could help protect burrowing owl populations.
Answer:
Plant more trees in areas that don’t have enough to make up for the loss of habitat. Also integrating large bird homes and sanctuaries around the power plants could help the owls settle back down in a semi-familiar environment.
Explanation:
Reduce threats to wildlife in the best remaining wilderness areas on Earth to keep their numbers stable or growing, to ensure sustainable fishing and hunting, and to settle disputes between people and wildlife.
What is the importance of wildlife monitoring technology?We can ensure that widespread species remain widespread and that unusual, threatened, and endangered species continue to get protection and aid thanks to data gathered through wildlife monitoring.
We may monitor pack dynamics, movements, ecological effects like feeding, mating, and nesting behaviors, illness outbreaks, snare incidents, and other human conflict issues through daily monitoring.
Therefore, We have a greater grasp of the occurrence, distribution, and status of animals in the preserves because of monitoring initiatives.
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DNA will condense into
Answer: DNA condenses into chromosomes.
Explanation: Chromatin carefully packs these DNA molecules into stringy-looking structures called chromosomes. If the DNA molecules in cells were not snaked around histones, the molecules would be 6 feet long when placed end-to-end, according to the National Human Genome Research Institute.
Answer, dna will condense to
which product does the Krebs cycle require from the electron transport chain
ATP
CoA
NAD
NADH
pyruvate
NAD +molecule
Explanation:
Krebs cycle and electron transport chain are important steps in cellular respiration.
In the Krebs cycle, there is a need of NAD+ molecule which is then in Krebs cycle reduced to form a NADH2 molecule.
NADH2 is also an energy currency. It , giving electron in electron transport chain and return to Krebs cycle as NAD+.
Now in the Krebs cycle, it is ready to take electrons again.
Answer:
NAD+
Explanation:
What are plasmids?
A. Enzymes that bond genetic materials together
B.small rings of bacterial DNA
C. Enzymes that cut DNA
D. Simple organisms with only one chromosomes
Answer:
b. small rings of bacterial DNA
Answer:
B
Explanation:
The plasmid is a small, extrachromosomal DNA molecule within a cell that is physically separated from chromosomal DNA and can replicate independently. They are most commonly found as small circular, double-stranded DNA molecules in bacteria; however, plasmids are sometimes present in archaea and eukaryotic organisms.
6
An antibiotic label says to take it for fourteen days. If we stop taking the medication after ten days, what would most likely
happen to the bacteria in our body?
A The bacteria causes the human immune system to stop producing antibodies to fight disease.
B A population of bacteria resistant to the antibiotic appears.
The strain of bacteria allows the human immune system to build up resistance.
The bacteria builds up a resistance to all types of antibiotics, turning into a "superbug".
Which reason best explains why carbon is able to form macromolecules?
Carbon is a very large element.
Carbon can bond with many elements.
Carbon is found in all living things.
Carbon is found in energy-storing molecules.
Answer:
carbon can bond with many elements
Explanation:
i just did it
Answer:
B
Explanation:
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Where is the air pressure lower around an airplane wing?
1. under
2. above
Answer:
Above
Explanation:
If you are to look at a diagram, it is clear.
Answer:
2. Above
Explanation:
Based on the model, students can conclude all the following valid claims EXCEPT
Answer:the nucleus carries a positive electrical charge
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why is it important that the heart and lungs kept healthy
Essentially, when you breathe in the lung take in oxygen and pass it along to the bloodstream, which brings it to your bodies cells. In return it picks up carbon dioxide, which the lungs dispose of. Every time you breathe this process is happening. That is why it's crucial to keep your lungs healthy.
What is a substrate? A)the difference between a chemical reaction and an enzyme B)the place where an enzyme attaches itself C)It is a sticky molecule. D)the molecules that the enzyme sticks to in a chemical reaction E)a molecule that releases the energy in a chemical reaction
Answer:
D is correct answer...!
Explanation:
Enzyme binds with substrate to form ES complex.
E+S--->ES Complex--->E + P