Answer:
Multicellular organisms depend on mitosis for growth and repair. When an animal, plant or other multicellular organism grows, it makes more cells through mitosis. Organisms can repair some of their tissues, using mitosis to regenerate new cells.
Explanation:
EMERGENCY HELP FAST!!
Fats and oils are esters. They contain a ____ group.
In the 21st century, the international community tried to punish North Korea
because:
A. it refused to join the United Nations.
B. it treated racial minorities poorly.
C. it committed human rights violations.
o
O
D. it invaded several neighboring countries.
Answer:
d it invaded several neighboring countries
Explanation:
organelle that manages cell functions in eukaryotic cell
Answer:
Nucleus
Use the table above to fill in the chart
Structure/Function Cell Part
Organelle that manages or controls all the cell functions in a eukaryotic cell Nucleus
Contains chlorophyll, a green pigment that traps energy from sunlight and gives plants their green color Chloroplast
Explanation:
of the two cells represented in the figure, which would likely be more efficient at exchanging substances with the surrounding environment?
Cell A is more efficient at exchanging substances due to larger surface area to volume ratio.
Cell A is more efficient at exchanging substances with the surrounding environment than cell B because it has the larger surface-area-to-volume ratio. Larger surface area of the cell exchanges more substances with the surrounding environment.
While on the other hand, lower surface area of the cell exchanges less materials with the environment so we can conclude that cell A is more efficient at exchanging substances due to larger surface area to volume ratio.
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The cell membrane's function is to..
O allow nutrients in, and send wastes out of the cell
O to control the amount of water that enters the cell
O to block all nutrients from entering the cell
Answer:
The first bullet point is correct
Explanation:
The cell membrane controls what comes in and out of the cell, it needs minerals so would not block them completely, and water does not enter cells so it is clearly the first one.
What are the proteins used in active transport called?
Answer:
Carrier Proteins.
An object has a mass of 26kg has a force of 19N applied to it.
What is the resulting acceleration of the object?
Show your work
Answer:
f=ma
so if we are finding acceleration, we divide force by mass to get the acceleration which can be 19/26 which gives 0.73 as resulting acceleration
Hope it helps
When an object has a mass of 26kg has a force of 19N applied to it then the resulting acceleration of the object would be 0.73 meters/second².
What is Newton's second law?Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum. The mathematical expression for Newton's second law is as follows,
F = ma
As given in the problem, when an object has a mass of 26kg has a force of 19N applied to it then we have to find the resulting acceleration of the object,
mass= 26 kilograms
force = 19 Newtons
Force = mass×acceleration
19 Newtons = 26 × acceleration
acceleration = 19/26
= 0.73 meters/second²
Thus, the resultant acceleration of the object would be 0.73 meters/second².
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All organisms have the same feedback mechanisms that help them maintain homeostasis.
What two forms of energy are produced by nuclear fusion?
Answer:
Fusion power is a proposed form of power generation that would generate electricity by using heat from nuclear fusion reactions. In a fusion process, two lighter atomic nuclei combine to form a heavier nucleus, while releasing energy. Devices designed to harness this energy are known as fusion reactors.
Explanation:
I got this online so I hope any of this helps. If not let me know.
The DNA structures of prokaryotic and eukaryotic cells share similarities and differences. One way in which they are the same is that
A. both have sugar-phosphate backbones
B most of the DNA is in the form of plasmids
C both have a singular circular chromosome
D the DNA is packaged into several linear pieces
One way in which the DNA structures of prokaryotic and eukaryotic cells are similar is that both have sugar-phosphate backbones.
The DNAs of all living organisms, be it prokaryotes or eukaryotes, are similar and consists of 3 major chemical groups:
5-carbon deoxyribose sugarsnitrogenous purine or pyrimidine basesphosphate groupThe pentose deoxyribose sugar and the phosphate group form the backbone of the structure of DNA. The sugars are linked together by phosphodiester bonds formed between the carbon 4 of each sugar and the methyl group attached to the phosphate.
The similarity in the structure of DNA of all living organisms is one evidence being used to support the evolution of living organisms from a common ancestor.
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Answer:
Your answer would be A!
Explanation:
both have sugar-phosphate backbones
6. The Edwards Plateau in west-central Texas is home to a diverse group of bats, reptiles,
and birds. How does the biodiversity of the Edwards Plateau affect the sustainability of local
ecosystems?
A. The variety of interactions among the different species helps the ecosystems remain
sustainable.
B. The variety of interactions among the different species prevents the ecosystems from being
sustainable.
C. The uniformity of interactions among the different species prevents the ecosystems from
being sustainable.
D. The uniformity of interactions among the different species helps the ecosystems remain
sustainable.
Answer:
A.
Explanation:
The higher biodiversity in an ecosystem means that there is a greater variety of genes and species in that ecosystem. A great variety of genes and species means that the ecosystem is better able to carry out natural processes in the face of external stress. Thus, the ecosystem is more sustainable.
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Which factor contributes to the formation of tides that turn turbines to create energy in the ocean?
wind speed
water density
Earth’s rotation
water temperature
The factor that contributes to the formation of tides that turn turbines to create energy in the ocean is Earth's rotation.
What is Tidal energy?Tidal energy is a type of renewable energy that is generated by the movement of water due to the gravitational forces of the moon and the sun.
As the Earth rotates, the gravitational forces of the moon and the sun cause the water in the ocean to move, creating tides that rise and fall twice a day.
This movement of water can be harnessed by turbines, which are placed in areas of high tidal flow. As the tides move in and out, the turbines spin, generating electricity that can be used to power homes and businesses.
While factors such as wind speed, water density, and water temperature can all affect the movement of water in the ocean, they are not the primary factors that contribute to the formation of tides.
The tides are primarily driven by the gravitational forces of the moon and the sun, which cause the water to move in a predictable pattern that can be harnessed for energy generation.
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what types of organisms would you expect to perform fermentation?
Answer:
Many bacteria and yeasts
Explanation:
Many bacteria and yeasts carry out fermentation. People use these organisms to make yogurt, bread, wine, and biofuels. Human muscle cells also use fermentation. This occurs when muscle cells cannot get oxygen fast enough to meet their energy needs through aerobic respiration.
Answer:
Many bacteria and yeasts carry out fermentation. People use these organisms to make yogurt, bread, wine, and biofuels. Human muscle cells also use fermentation. This occurs when muscle cells cannot get oxygen fast enough to meet their energy needs through aerobic respiration.Explanation:
how many bones does a human have in their body
need help can somebody help me please and thank you
Answer:
ok think of apples and trees and car and garage
Explanation:
the A goes to the T because it represents apples to trees and then C goes to the G because its car to the garage it that's how i've always remembered that for MRNA
which type of skeletal muscle fiber is most important for an athlete running a 40 meter sprint?
2. Which statement about nuclear fission is false?
Nuclear fission is used to generate electricity at nuclear power plants.
Nuclear fission takes place in the core of stars.
Nuclear fission releases large amount of energy.
The fuel for nuclear fission is often uranium.
Answer:
"Nuclear fission takes place in the core of stars."
this statement is false
Pls help click to see full image worth 30 pts
how is the nuclear membrane similar to the cell membrane?
Answer: They are made up of lipid bilayers. Furthermore, their main function is to enclose different structures of the cell regulating the passage of molecules through the membrane. Also, they act as semi-permeable membranes.
Explanation:
A recent diet trend has made snack cakes far less popular than they once were. As such, demand for snack cakes is expected to
fall. As demand falls, (1 point)
o producers make lower profits, and some will exit the market
O consumers face lower prices, and are encouraged to consume more
O consumers face higher prices, and are encouraged to consume less
O producers make higher profits, and more will enter the market
Producers make lower profits, and some will exit the market. The correct option is A.
Thus, Reduced demand for snack cakes will probably result in decreased profitability for producers, and some may even decide to leave the market.
This decline in demand could affect the profitability of snack cake producers by resulting in lower sales and revenues.
In addition, prices may drop as a result of the decline in demand to entice customers to purchase more of the falling snack cakes.
Thus, Producers make lower profits, and some will exit the market. The correct option is A.
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?????????????????????????????????????????
Answer:
d
Explanation:
each successive duplicate cell will have the same genetic composition as its parent
What type of feedback occurs when you intensify a variable? a. Positive b. Negative c. Neutral
Answer:
B.
Explanation:
In a crime scene, what would you place clothing with blood on it in found as evidence? And why?
-Small paper envelope
-Small cardboard box with cotton
-Paper bag
-Metal box
-Glass jar
-Plastic bag
Answer:
A plastic bag because the others would ruin the evidence the cotton would absorb the blood same with the envelope , paper bag.
Explanation:
please someone help I'm failing
How is cross pollination carried out in nature?
A, B, or C?
OPTION B is the correct answer
Cross-pollination is carried out by bees and other pollinators, which is present in option B, as cross-pollination is a process in which pollen from the male reproductive organs of a plant (such as the stamen) is transferred to the female reproductive organs.
Cross-pollination is facilitated by various agents, including insects, birds, wind, and even water. These agents inadvertently carry pollen from one plant to another as they move between flowers or plants. Insect pollinators, such as bees, butterflies, and beetles, are the most common and efficient carriers of pollen in cross-pollination. They visit flowers to obtain nectar or pollen as a food source, and in the process, pollen grains get attached to their bodies and are transported to other flowers.
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what enzyme catalyzes the conversion of fructose-6-phosphate to fructose-1,6-bisphosphate?
a protein that forms an ion channel in a membrane is most likely to be
Answer:
Transmembrane protein
Explanation:
All of these are attributed to deforestation EXCEPT:
A)
Less biodiversity
B)
A loss of soil nutrients
An increase in forested areas
D
An increase in greenhouse gases
Answer:
C
Explanation:
Deforestation is the process clearing large expanses of woodland; which destroys biodiversity, removes fertility in soil and increases greenhouse gases; but DECREASES the amount of forested areas. Hope this helps :D
optic nerves travel through the __________ to ensure that visual signals go to each hemisphere of the brain.
Answer:
Optic Chiasm
Explanation:
Optic nerves travel through the optic chiasm to ensure that visual signals go to each hemisphere of the brain.
Write the complementary strand to this DNA molecule on the line.
G А Т
ССА TG A G TT A CG
Answer:
If you mean the complementary strand of GAT: Answer is CTA
If you mean the strand for all of it (GATCCATGAGTTACG): Answer is CTAGGTACTCAATGC
Explanation:
Both strands always have to be in a sequence that pairs them to their nitrogenous base pair according to Chargaff's law. So always remember:
A pairs with T (Adenine with Thymine)
C pairs with G (Cytosine with Guanine)
Whenever you need to figure out the other strand, just switch the original base sequence with their base pairs to get the second strand/sequence.
Hope this helps you for future questions. Have a good day, love <3