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Related Questions
the question is on the attachment
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Answer:
It controls activities
Explanation:
X is the nucleus of the cell which is sometimes know as the 'brain' of the cell because it controls activities. It contains DNA that is needed to conduct most of the cell's functions.
Select the correct location on the image.
This diagram shows the functions of different enzymes during DNA replication. Which label would change if this process took place in a
prokaryotic cell
DNA polymerase DNA ligase
Lagging
strand
UN
Okazaki fragment
for
leading
strand
பெரிய
nucleus
DNA polymerase
helicase
single-strand
binding proteins
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The label that would change if this DNA process took place in a prokaryotic cell is the nucleus.
What is DNA?It should be noted that deoxyribonucleic acid, is the hereditary material that is found in humans and all other organisms.
DNA replication is a complex process that involves many enzymes and the complex formed by the enzymes to make an exact copy of the DNA during cell division. DNA replication enzymes are common in both prokaryotes and eukaryotes but the site of DNA replication differs.
The difference between prokaryotic and eukaryotic DNA replication is that the prokaryotic DNA replication takes place through a single origin of replication. In contrast, eukaryotic DNA replication occurs through multiple replication origins.
The nucleus is an organelle that carries the genetic material of the cell. Therefore, DNA replication does not take place in the nucleus but in the cytoplasm.
In conclusion, the label that would change if this DNA process took place in a prokaryotic cell is the nucleus.
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Complete this sentence: About as much as 90 percent of energy is ________ at every trophic level, due to metabolic processes.
- received
- lost
- destroyed
- recycled
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Answer:
lost
Explanation:
Energy is lost at each trophic level
Answer: Its Lost!!
Explanation: I GOT IT RIGHT ON THE TEST WOOOOOOOOO
Are these biology answers correct?
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What is the rounded proximal end of a long bone
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Answer:
epiphyses (Just typing more so brainly lets me post this)
Answer:
It is called the proximal epiphysis.
how do i do these? please help this is due today :)
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Answer:
just look up the meaning of heterozygous anywho for 7 the answer is the leaf will be wrinkled and so will number 8 i think...it needs a coma.
Explanation:
the meaning of heterozygous is its the opposite of what it is
how is the process in which the ice melts?
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Explanation:
it is an endothermic process
Hope I helped
15.Which of the following statements refers to weather?
a. “It rains a lot in the Spring in my city.”
b. “It’s very hot and sunny today. Let’s go to the beach.”
c. “There are many people who don’t believe there is a hole in the ozone layer’”
d. “We are going south to Florida in January because it will be warmer.”
16. The water cycle is the continuous movement of water on, in and above the Earth. Which of the following describes evaporation in the water cycle?
a. Water vapor meets cold air and changes back into a liquid
b. Plants take in water from the soil
c. Water gets heated and changes from liquid water to water vapor
d. Water freezes
17. Hurricanes form in tropical water between 8 and 20 degrees north and south of the equator. Hurricanes rarely form a higher latitudes because the water is too
a. warm
b. deep
c. shallow
d. cold
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Answer:
16. The water cycle is the continuous movement of water on, in, and above the Earth. Which of the following describes evaporation in the water cycle?
a. Water vapor meets cold air and changes back into a liquid
b. Plants take in water from the soil
c. Water gets heated and changes from liquid water to water vapor
d. Water freezes
Explanation:
True or False:Cell specialization does not occur in multicellular organisms
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Cell specialization OCCURS in multicellular organism.
As the demand for more paper grows, more forests are being cut down. How will this most likely affect forest environments?
A. It will cause more animals to immigrating into forests.
B. It will cause more animals to lose their habitats.
C. It will cause the nutrients in the soil to increase.
D. It will cause temperatures in the atmosphere to decrease.
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True or false:Family members have similar genetic codes
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Answer:
True
Explanation:
its just true how to explain but i know its true trust me
There are 20 standard amino acids. Ninhydrin turns yellow when it interacts with proline. Ninhydrin turns purple in the presence of the other 19 amino acids. Can you determine the identity of each of these 19 amino acids using ninhydrin test only? why or why not
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Because the ninhydrin test produces the same purple color for all amino acids except for proline, it cannot be used to identify all other 19 amino acids.
What are amino acids?Amino acids are the molecules from which proteins are made.
Amino acids contain an alpha amino and carboxyl group, with a side chain group attached.
The ninhydrin test is used to test for the presence of amino acids generally and for proline specifically.
Since the ninhydrin test produces the same purple color for all amino acids except for proline, it cannot be used to identify all other 19 amino acids.
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What is a complementary mRNA strand to the shown DNA sequence
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Answer:
The tRNA anticodon sequence is a three nucleotide sequence in the tRNA that base-pairs with a codon.
The mRNA codon is the three nucleotide sequence in the mRNA that codes for an amino acid. T
The tRNA anticodon sequence is complementary and anti-parallel to the mRNA codon sequence.
Which statement is true about wood
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The answer you have chosen is the correct one
The two main types of weathering are
O mechanical and physical
Ophysical and kinetic
O chemical and physical
O chemical and acidic
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chemical and physical
Explanation:
each involes a biological components at times
Elements with symbols using their first two letters
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Answer:
Co cobalt
Cu copper
Cm curium
Explanation:
Al Aluminum
Ar Argon
Ba Barium
Be Beryllium
Bi Bismuth
Br Bromine
Ca Calcium
Ce Cerium
Co Cobalt
Dy Dysprosium
Er Erbium
Eu Europium
Fr Francium
Look at the Venn diagram comparing traits of the Sun, Earth, and the Moon. Which items could correctly go in section B? A) Reflects light B) Has rocky composition C) Has a thick atmosphere D) The largest object in the solar system E) Located in the center of the solar system
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The Venn diagram comparing the characteristics of the Sun, Earth and Moon the item in section B would be that the moon and the earth reflect light and have a rocky composition.
The moonThe moon is a natural satellite of planet Earth. She is the only celestial body to receive human beings.
The SunThe Sun is large and contains a lot of hydrogen, being held by strong gravity. As a result, the pressure and temperature inside are very high, causing hydrogen atoms to collide with each other, in what we call nuclear fusion, and generate helium.
Planet EarthPlanet Earth is a group of millions of structures of living organisms that hold the power to preserve life. The Earth formed about 4.5 billion years ago, is located in the middle of the Milky Way, being the third-closest planet to the Sun and the fifth largest among all the planets that make up the Solar System.
The Sun, Earth and Moon have in common that the item in section B would be that the Moon and Earth reflect light and have rocky composition.
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One function of the poly-A tail on eukaryotic mRNA sequences is to help the mRNA
be transported from the nucleus to the cytoplasm. Prokaryotic mRNA also has a
poly-A tail. Choose the best explanation of the prokaryotic poly-A tail.
A. Prokaryotic poly- A tails aren’t important, because prokaryotes don’t have nuclei
B. Prokaryotic poly A tails have the same functions as eukaryotic poly-A tails, because this process is highly conserved throughout different species.
C. Prokaryotic poly A tails are composed of a different molecular structure compared with eukaryotic poly- A tails
D. Prokaryotic poly- A tails have other functions, because prokaryotes don’t have nuclei
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Answer: D
Prokaryotic poly-A tails have other functions, because prokaryotes don't have nuclei.
Explanation: It's an extension of the prokaryotic cell, because of its lack of a nucleus.
Explain why it would not be possible to accurately measure hemoglobin concentration if the RBCs were not first lysed
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We have that the structure of Red blood cells, causes the membranous shade to be lysed to get precise hemoglobin level.
Red blood CellGenerally, the Red blood cell is blanketed with the help of proteins and lipids, the purple shade of Red blood cells or blood is due to the presence of hemoglobin.
Hemoglobin is considered in the central phase of the pink blood cell. Red blood cells lacks nucleus.
The structure of Red blood cells, causes the membranous shade to be lysed to get precise hemoglobin level.
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For the lac operon, when glucose is absent and lactose is present ___________ Group of answer choices cAMP-CAP is bound to the operator and the repressor is not bound to the promoter cAMP-CAP is not bound to the promoter and the repressor is bound to the operator cAMP-CAP is bound to the promoter and the repressor is not bound to the operator None of the options
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Answer: cAMP-CAP is not bound to the promoter and the repressor is bound to the operator.
Explanation:
cAMP levels are going to be low because glucose is not present, so CAP is inactive and will NOT bound to the DNA.
How a commitment to a decision could assist a school leaver to adapt to the change of entrepreneurship
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A commitment to a decision can help a school dropout to adapt to the changing entrepreneurship, because this student is convinced of their needs and tasks.
What is a commitment?A commitment is an agreement between two parties that something will be done. A courtship is considered a commitment, a marriage too. When a person is said to be "committed" it is because he or she has established a commitment of fidelity to the other in the form of a loving relationship.
With this information, we can conclude that the student's sense of commitment made him a focused and motivated person to achieve his goals.
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Why cereals is regarded as staff of life
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Answer:
because is very important
.........
Some horses exhibit co-dominance for coat color with red and white coats. If a red horse (RR) mates with a white horse (WW), what percentage of the offspring will be RW, and what will the coat color of the offspring be?
Group of answer choices
100%, all red
50%, spotted red and white
100%, spotted red and white
100%, all white
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In your own words, describe what is happening at each step in the image.
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Answer:the sun is like getting pulverized???
Explanation:
If a mineral can scratch fluorite and it can be scratched by a knife what is the hardness of the mineral
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Answer:
The hardness rating is 4.
Explanation:
Calcite sits at a hardness rating of 3 and is very easily scratched with a knife and/copper coin. This is where most Marbles, limestones, travertines, rate.
Meanwhile, Fluorite sits at hardness 4 and can be scratched by a knife.
what is the process of photosynthesis
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The process of photosynthesis is the synthesis of food molecules from inorganic compounds using energy from sunlight.
WHAT IS PHOTOSYNTHESIS?Photosynthesis is the process whereby green plants obtain their food (glucose) in the presence of sunlight as an energy source.
Photosynthesis takes place in two stages namely;
Light dependent reactionsLight independent reactionsPhotosynthesis combines carbon dioxide and water as reactants as follows:
6CO2 + 6H2O = C6H12O6 + 6O2
Therefore, the process of photosynthesis is the synthesis of food molecules from inorganic compounds using energy from sunlight.
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Assume that the genes from the previous example are located along the chromosome in the order X, Y, and Z. What is the probability of recombination between genes X and Z
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Knowing the order or the genes in the chromosome and the recombination frequencies in region 1 and 2, we can assume that there are 30% the probability of recombination between genes X and Z.
Recombination frequencyWhen talking about recombination frequencies, we are refering to the probabilities of recombination or crossing over between two genes.
When these genes are too close in the same chromosome, we say they are linked, and the recombination frequency might be too small.
Crossing-over between linked genes that are very close to each other in the chromosome is not that common.
A short distance between genes is a very little target for crossing-over to occur, which means that only a few of them will happen, compared with the number of events between genes that are more separated between each other.
Available data
The recombination frequency between X and Y = 25%The recombination frequency betqeen Y and Z = 5%The order of the genes in the chromosome is X, Y, ZHere we have the recombination frequency in region 1 (X-Y) and the recombination frequency in region 2 (Y-Z).
To get the value of the recombination frequency between the two extremes, we just need to add the two regions values.
R1 + R2 = Rt
25% + 5% = 30%
X----------R1----------------Y-----R2----- Z
X----------25%-------------Y------5%----Z
X-----------------------30%-----------------Z
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what is a niche
i need help on this
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Answer:
a role of a organism in a ecosystem
Explanation:
i hope this helps
What do these two changes have in common?
snails growing shells
sauce burning on a stove
Select all that apply.
Both are only physical changes.
Both are chemical changes.
Both are caused by heating.
Both are caused by cooling.
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I will mark brainiest for correct answers!
1• Studying a picture of a cell taken with a microscope, you find that the cell has a nucleus, cell wall, and plastids. You conclude that the cell is probably a(n) _____ cell.
A) animal
B) plant
C) prokaryotic
D) eukaryotic
2• Studying a picture of a cell taken with a microscope, you find that the cell has no nucleus and no mitochondria, but does have a cell membrane and a cell wall. You conclude that the cell is probably a(n) ____ cell.
A) animal
B) plant
C) prokaryotic
D) eukaryotic
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Answer:
#1 is D Eukaryotic
#2 is C prokaryotic
Explanation: 1)D 2)C