Answer:
As a cell grows bigger, its internal volume enlarges and the cell membrane expands. Unfortunately, the volume increases more rapidly than does the surface area, and so the relative amount of surface area available to pass materials to a unit volume of the cell steadily decreases.
Explanation:
The nitrogen cycle is an example of a(n) (blank) cycle. The options are biogeochemical, decomposer, energy, water, denitrification, nitrogen fixation, nitrogen limitation, or photosynthesis.
Answer: Biogeochemical, Nitrogen Fixation, and Denitrification
Explanation: A biogeochemical cycle is the cycling of a nutrient through the biosphere and the geosphere. Nitrogen fixation happens when Nitrogen Fixating bacteria take in atmospheric nitrogen and release Ammonia as a biproduct. Denitrifying bacteria then take in the ammonia and break it down into nitrite, nitrate, and finally back into atmospheric nitrogen. The cycle then repeats.
The nitrogen cycle is an example of a biogeochemical cycle. The correct option is A.
What is biogeochemical cycle?The transport and transformation of chemicals in ecosystems is referred to as a biochemical cycle. Wetland hydrologic conditions have a strong influence on these.
These processes cause changes in the chemical forms of materials as well as material movement within wetlands.
These cycles transport the elements required for life to survive throughout the ecosystem.
They are essential because they recycle and store elements, as well as regulate vital elements through physical facets.
A biogeochemical cycle describes how an element or compound, such as water, moves between its various living and nonliving forms and locations in the biosphere.
Water, carbon, nitrogen, phosphorus, and sulfur cycles are all important biogeochemical cycles for living organisms.
Thus, the correct option is A.
For more details regarding biogeochemical cycle, visit:
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A student wants to find out if the green coloring in grass is a mixture of dyes. He uses a solvent to dissolve the green coloring from some grass. He then separates the solution of the green coloring from the remaining grass. Which of these methods is used to separate the solution of the green coloring from the remaining grass?Immersive Reader (1 Point) Boiling Evaporation Chromatography Filtration
Answer:
The correct answer is - filtration.
Explanation:
Filtration is the extracting the dissolved or suspended solids from a liquid or solvent passed from a substance with small pores, called filter, that separates the solid with a larger size than the pores of the filter. The liquid goes through the filter known as filtrate.
In the given case, the remaining grass can be separated from the solvent by the process of filtration. Pass the remaining grass with filtrate through the filter.
The correct answer is - filtration.
A _______ climate has moderate rainfall and moderate temperatures which both remain constant throughout the year.
Answer:
temperate climate
Explanation:
Temperate climates are generally defined as environments with moderate rainfall spread across the year or portion of the year with sporadic drought, mild to warm summers and cool to cold winters.
Which factor will best help a scientist produce valid experimental results?
Answer:
Using large sample sizes and multiple replications of experiment
what is an organism that must eat other organisms to obtain energy called?
Answer:
Heterotrophs
Explanation:
Answer:
consumer because animals and humans eat other animals to survive
What does geologic time
measure?
Answer:
The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration—eons, eras, periods, epochs, and ages.
Explanation:
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How is a bone cell and animal cell similar?
A bone cell and animal cell are similar in their function and presence in a body.
CellsA Cell is known for its function and structure.
A bone cell is made of tissue.
A bone cell protects the internal organs and stores minerals such as phosphorous and calcium.
An animal cell has a cell membrane and has functions that relate to producing energy and storing it.
Animal cells make proteins and transfer molecules.
Learn more about Cells here:
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Amylase is a digestive enzyme that breaks down starches into sugars. Which component of the amino acid gives
the monomer the unique characteristics that help amylase function?
Answer:D
Explanation:
Answer:
Thew answer is D
Explanation:
EDGE 2020
Could someone help me please
Explain why heavy fertilizer runoff and algal blooms disrupt the equilibrium (balance) in an aquatic system.
A. Fertilizer runoff:
B. Algal blooms:
Answer:
A - Fertilizer runoff can cause micro-organisms such algae to bloom out of control. B - Algae blooms suffocate the ecosystem if there is too much.
Explanation:
A - Not all fertilizer nutrients is used in agricultural production and so some of it makes its way into the excess water and therefore runs into creeks and rivers. It is also toxic to many animals in high concentrations as well as more sensitive native plants.
B - Algae blooms take a lot of oxygen out of the water, therefore suffocating natural wildlife. The decay that results from such large blooms is also problematic and takes away oxygen. Many algae likes slow moving water with little flow and in these optimal conditions with excess nutrients (Nitrogen, Phosphorus, and Potassium, NPK are the main ones) cause it to become out of control
Answer:
A - Not all fertilizer nutrients is used in agricultural production and so some of it makes its way into the excess water and therefore runs into creeks and rivers. It is also toxic to many animals in high concentrations as well as more sensitive native plants.
B - Algae blooms take a lot of oxygen out of the water, therefore suffocating natural wildlife. The decay that results from such large blooms is also problematic and takes away oxygen. Many algae likes slow moving water with little flow and in these optimal conditions with excess nutrients (Nitrogen, Phosphorus, and Potassium, NPK are the main ones) cause it to become out of control
Explanation:
ya
5. Which of the following are enzymes?
1 point
Lipase
Lactose
Amylase
Xylase
Cellulose
Glucose
Fructase
Fructose
Lactase
NONE OF THESE!!!
Answer:
Lipases, Amylase, Lactase, and Cellulase. Did this Help?
Explanation:
Lipases – a group of enzymes that help digest fats in the gut.
Amylase – helps change starches into sugars. Amylase is found in saliva.
Maltase – also found in saliva; breaks the sugar maltose into glucose. Maltose is found in foods such as potatoes, pasta, and beer.
Trypsin – found in the small intestine, breaks proteins down into amino acids.
Lactase – also found in the small intestine, breaks lactose, the sugar in milk, into glucose and galactose.
Acetylcholinesterase – breaks down the neurotransmitter acetylcholine in nerves and muscles.
Helicase – unravels DNA.
DNA polymerase – synthesize DNA from deoxyribonucleotides.
Cellulase -- is any of several enzymes produced chiefly by fungi, bacteria, and protozoans
what group of organisms are responsible for capturing energy within ecosystems ?
a. bacteria
b. consumers
c. producers
(I know its not b it has to be either a or b im confused)
The density of a typical nucleus is equal to
Answer:
2.3×10¹⁷ kg/m³
Explanation:
this is the average density of the nucleus of an atom
Describe dehydration synthesis?
The heart is an example of which level of organization within an organism?
ocell
organ
tissue
O organ system
difference between speed and lvelocity in three point
Explanation:
(1)speed is scalar quantity
(1) velocity is vector quantity
(2)speed can never be negative or zero and it is always positive
(2) velocity can be negative or zero and it can be positive
(3)speed is time taken to travel a specific distance
(3) velocity is time taken to travel minimum distance from 1 point to other point
(4)speed=distance upon time
(4) velocity = displacement (minimum distance between 2 points ) upon time
did u understand if not then comment
Cell theory holds that new cells arise from preexisting cells. Which of the following is most likely to support this idea of cell theory?
A
evidence that most multicellular animals are larger than unicellular animals
B
evidence that most multicellular animals do not reproduce asexually
C
evidence that unicellular animals do not have organs
D
evidence that cells reproduce sexually and asexually
Answer:
B that most multicellular animals don't reproduce asexually
How many poles does Jupiter’s magnetosphere have? a. 2 c. 8 b. 4 d. 9
Answer:
A. 2
Explanation:
I was wrong the first time, I wasn't thinking of jupiter for some reason. sorry!
Answer:
A. 2
Explanation:
Jupiter's magnetic field is quite different from that of all other known planets — it essentially has two magnetic south poles instead of just one, a new Nature study finds. Scientists analyzed Jupiter with NASA's Juno spacecraft, which reached the planet sometime in 2016.
Which cell structure is correctly paired with its primary function?
mitochondria – site of protein synthesis
nucleus – transports nutrients throughout the cell
vacuole – holds organeles in place
golgi apparatus - packages proteins and secretions
Previous
Answer:
Nucleus
Explanation:
Im sorry if im wrong :(
Answer:
golgi apparatus
Explanation:
by definition it packages proteins and lipid molecules.
of the following statements is true?
Only some organs contain cells.
Is it true or not
Answer:
its true
Explanation:
What soil type is the most fertile of all soils?
O Vertisols
Histosols
O Mollisols
O Oxisols
Answer:
Alfisols are moderately leached soils that have relatively high native fertility.
Explanation:
globalrangelands
Answer:
Vertisols: Shrink and swell
Histosols: Organic and wet
Mollisols: Fertiles
Oxisols: Very weathered
The answer would be C, Mollisols
Helppppppp meee pleaseeeee
In the carbon cycle, in what form are carbon atoms generally returned to the atomosphere? carbon dioxide b carbon monoxide simple sugars methane
Answer:
The carbon cycle is a process where carbon is removed and returned to the atmosphere. The ways of returning carbon to the atmosphere
Explanation:
The graph shows the motion of a car. Which segments
show that the car is accelerating? Check all that apply.
Velocity vs Time
A
50
B
40
E
C
B
30
D
E
20
A
10
D
0
0 1 2 3 4 5 6 7 8 9 10
Time (s)
Answer:
a c e
Explanation:
Explain the main role of the kindeys and skin.A.The kidney and skin works to protect our organs from the sun.B.The kidneys and skin. Are nessecary to remove waste products that the body produces .C.The kidney and skin is used to keep our body warm.D. The kidney and skin only work together to filter the liquid part of blood
B.The kidneys and skin are necessary to remove waste products that the body produces
I hope this helped
What is the kinetic energy of a 2,000 kg boat moving at 5 m/s
Subject: Science
List the 6 characteristics of living things
Answer:
Explanation:
6 characteristics of living things are:
It responds to the environment.
It grows and develops.
It produces offspring.
It maintains homeostasis.
It has complex chemistry.
It consists of cells.
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2. Which of these is not an ecological pyramid?
A. Pyramid of Energy
B. Pyramid of Biomass
C. Pyramid of Numbers
D. Pyramid of Species
Describe two types of evidence–other than the comparison of DNA sequences–that can be used to determine the phylogeny of organisms. Discuss one strength of each type of evidence you described.
Answer: Comparing the DNA sequence of the organisms can also tell you how closely related species they are. It can give you even more information since the original DNA is how the amino acid sequence of cytochromes is coded for.
Looking at embryonic development also helps you determine the phylogeny of organisms because a way an embryo develops can be very similar to the way another species develops but then both are full-grown they look very different and its tuff to explain how close they might be related
How do enzymes affect the reactions in which they take part?
A.Most enzymes slow down chemical reactions.
B.Enzymes decrease the activation energy of the reaction.
C.Enzymes increase the activation energy of the reaction.
D.Enzymes are converted into products in the reaction.
Answer:
B. Enzymes decrease the activation energy of the reaction :)
Explanation:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
