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Related Questions
A dwarf planet flies towards the sun and orbits it. As it does, it burns up leaving a trail of gas and vapor in a form of 2 tails,
O True
O False
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Please someone help me ASAP please
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Answer:
a. Translocation
Explanation:
Translocation is a type of chromosomal abnormality in which a chromosome breaks and a portion of it reattaches to a different chromosome.
Which has been justified in the picture.
During a solar eclipse the moon is positioned between earth and the sun during which phase of the moon does a solar eclipse occur??
a. crescent
b. full
c. new
d. gibbous
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The answer is C. New
I posted an answer to this already, but someone deleted it because it was "unhelpful". I didn't get any other reason for why it was deleted considering the fact that many people found it helpful, but I'm posting it again.
The moon appears half lit, half dark from the surface of Earth on two days each month. What causes this? (1 point)
Half of the moon's surface that is illuminated by the sun is visible from Earth's perspective.
Earth’s shadow is blocking the light from the sun.
Half of the moon is totally eclipsed.
It is a partial lunar eclipse.
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Answer:
Half of the moon's surface that is illuminated by the sun is visible from Earth's perspective.
The moon is the natural satellite present in the universe that orbits the planets. The moon appears half-lit and dark as it is illuminated by the sun. Thus, option A is correct.
What is the moon?Moon is the natural satellite that revolves around the earth and is found in the universe where all the stars, galaxies, sun, and other planets are located at. The moon can be a new moon or a full moon once a month.
The full moon and new moon appear in the night sky due to rotation and the illumination of the sunlight on the moon. The surface of the moon appears half-lit and half-dark in the sky two days a month due to the position of the Sun and earth.
The moon varies its phases due to the light illumination of the sun that makes the moon appears in various shapes from the earth's perspective. The half face of the moon is away from the earth while the other half is illuminated and visible on earth.
Therefore, option A. is correct. The half-lit and dark moon are due to the sun's illumination that changes from the earth's perspective.
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5. Only
sites have been identified around the world as tidal power stations.
A. 20
B. 50
C. 1
D. 100
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Answer:
20
Explanation:
Which statements about science and society are accurate? Check all that apply.
1. Science can be used to help solve societal problems.
2. The solutions produced by science do not result in additional problems.
3. One of the problems scientists are trying to solve is emerging infectious diseases.
4. One scientific solution to societal problems – antibiotics – is still fully effective today.
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Answer:
1&3
Explanation:
took the test
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What is one example of an index fossil?
1. a rock
2. a tooth
3. a trilobite
4. a meteor
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Answer: #1. A Rock
Definition: A fossil that is useful for dating and correlating the strata in which it is found.
Note: Hope this helps answer is from Acceleration Education / Buzz.
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The plasma membrane is
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Answer:
The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. ... The plasma membrane consists of a lipid bilayer that is semipermeable. The plasma membrane regulates the transport of materials entering and exiting the cell.
Explanation:
At which point in the eukaryotic cell cycle can a DNA mutation begin to be passed on
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Answer:The S Phase
Explanation:
Answer:
any point
Explanation:
DNA mutations have the potential to arise at any stage of the eukaryotic cell cycle. However, the likelihood of passing on the mutation to daughter cells is higher if it occurs during DNA replication, which happens in the S phase of the cell cycle.
The diagram to the right shows a planet's orbit around the Sun. At which location is the planet's orbital
velocity (speed) greatest?
A
Sun
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Answer:
According to the second Kepler's law:
A line joining a planet and the Sun sweeps out equal areas during equal intervals of time
The planet travels faster when closer to the Sun and slower when distant.
So the answer is point A
Which of the following molecules is not required for a PCR reaction? View Available Hint(s) Which of the following molecules is not required for a PCR reaction? DNTPs Ligase Primer DNA Submit Part B The thermostability of Taq polymerase is required during the annealing phase of PCR. View Available Hint(s) The thermostability of Taq polymerase is required during the annealing phase of PCR. True False Submit Part C What is the purpose of raising the temperature to 90–95°C at the beginning of each cycle of PCR? View Available Hint(s) What is the purpose of raising the temperature to 90–95°C at the beginning of each cycle of PCR? To separate the double‑stranded DNA To renature two single DNA strands To extend the primer To attach the primer
Answers
Answer:
A Ligase
B False
C To separate the double‑stranded DNA
Explanation:
The Polymerase Chain Reaction (PCR) is a technique widely used in molecular biology laboratories in order to make millions of copies of a specific sequence of DNA. PCR requires deoxynucleotide triphosphates (dNTPs) to synthesize new copies of the target DNA fragment, a thermostable DNA polymerase that adds nucleotides to new DNA strands, and primers that attach to complementary ends at each DNA strand. PCR has three phases: 1-Denaturation, where the double-stranded DNA molecule is heated to separate it into two single (separated) strands; 2-annealing, where the temperature is lowered in order to allow the primers to attach each DNA strand, and 3- extension, where the temperature is increased (again), and the thermostable DNA polymerase adds the appropriate dNTPs to new DNA strands. In consequence, annealing occurs at the lowest temperature. Moreover, during the denaturation stage, the temperature is increased at 90–95°C in order to denature the DNA strands into single strands.
how the skin cells, neurons, muscle cells, and blood cells you have observed relate to the functions of skin, nerve, muscle, and blood tissue.
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every cell has work to do but different cells may have different jobs in multicellular organisms, cell with the same type of job often work together. These group of specialized cell from tissue in turn, tissue often group together to form larger units called organs the heart is an organ; so is the stomach.
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Forecasters and storm spotters have learned to recognize certain thunderstorm features and structure that make tornado formation
more likely. Some of these are visual cues, like the rear-flank downdraft, and others are particular patterns in radar images. One
particular clue used by storm spotters is the hook echo in a radar image that is often associated with a mesocyclone and indicates
favorable conditions for tornado formation. Can you spot the hook in the radar images below?
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it is the chance or probability that a person will harmed or experience an adverse health , effect if one is exposed to hazard
A. hazard
B. incidents
C. injury
D. Risk
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Answer:
D. Risk
Explanation:
RISK can be seen as a tendency or likelihood that a person or an individual may encounter, faced or be exposed to something that may be harmful or have an adverse health effect on such person Example a house that has a foundation that is not strong is an hazard reason been that their is likelihood or tendency that a person or an individual might be harmed if the house collapsed because the foundation of the building is not strong for the building to stand long on it without collapsing.
What is this organelle?
Answers
Answer:
It's the mitochondria
Explanation:
The mitochondria is the powerhouse of the cell.
A genetic engineer wants to isolate a gene from a scorpion that encodes the deadly toxin found in its stinger, with the ultimate purpose of transferring this gene to bacteria and producing the toxin for use as a commercial pesticide. Isolating the gene requires a DNA library. Should the genetic engineer create a genomic library or a cDNA library
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Answer:
The correct answer is - Yes, the genetic engineer should create a genomic library or a cDNA library.
Explanation:
mRNA isolated from the toxin extracted from the venom gland of the scorpion to create a cDNA library. The cDNA sequence is reverse transcribed by the mRNA that lacks the introns as prokaryotic organisms such as bacteria cannot splice introns.
If the engineer wants to express the toxin in bacteria then he required a cDNA sequence as a genomic clone can not use to clone for making proteins. mRNA should be isolated from the venom gland so it can synthesize cDNA library enriched with toxin protein sequence.
What purpose of transportation? Where does it happen the cell
Answers
Answer:
Explanation: How do things move across a cell membrane?
Summary. Controlling the movement of things in and out of the cell is an important role of the plasma membrane. ... Osmosis is the diffusion of water molecules across a membrane. Water moves in or out of a cell by osmosis until its concentration is the same on both sides of the plasma membrane.
Match the following.
Northern Hemisphere currents
1. westward-flowing north and south
equatorial currents
2. deflected equatorial currents
western boundary currents
3. generally counterclockwise
Southern Hemisphere currents
4. generally clockwise
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Answer:
1. westward-flowing north and south
western boundary current
2. deflected equatorial currents
Southern Hemisphere currents
3. generally counterclockwise
4. generally clockwise
equatorial currents
Which atmospheric layer has the greatest air pressure? o mesosphere o thermosphere o stratosphere o troposphere
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Answer:
<><><><><><>
stratosphere
<><><><><><>
explanation:
Compare and contrast the processes and products of mitosis and meiosis
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Which of these is evidence of global warming?
OA. Stable precipitation patterns
O B. Falling global temperatures
OC. An increase in the size of glaciers
OD. Overall rising sea levels
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The evidence of global warming is best seen in the overall rising sea levels.
How high are the seas?The average height of the ocean's surface above the surface of the land is referred to as sea level. It is a crucial gauge of climate change on Earth and is influenced by a number of variables, such as variations in global temperatures, ocean currents, and land movements.
This is brought on by the melting of glaciers and polar ice caps as well as the thermal expansion of warming seas. Sea levels are increasing more quickly as the earth heats, which is a direct outcome of global warming.
The other possibilities, such consistent precipitation patterns, declining global temperatures, and an expansion of glaciers in size, are not necessarily signs of global warming.
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The
secretes special enzymes that help the stomach digest fats.
Answers
Answer:
The pancreas gland lies just beneath the stomach.
Explanation:
It produces a host of digestive enzymes, including lipases, which are essential in fat digestion. The pancreas also secretes bicarbonate ions, which help to neutralize the pH of the chyme entering from the stomach.
Select the 400x magnification,if necessary,adjust the fine focus,now.what do you see
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Which of these actions would result in a decrease in biodiversity?
F. Protecting endangered species.
G. Protecting forests and wetlands.
H. Preventing industrial wastes from being dumped into the ocean.
J. Polluting a stream with used motor oil.
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What is the most likely inheritance pattern for red-green
colorblindness based on the pedigree?
A) autosomal dominant
B) autosomal recessive
C) sex-linked dominant
D) sex-linked recessive
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Answer:
c
Explanation:
A dog pants in the heat to control its body temperature. Panting is a mechanism of?
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Answer:
A dog pants in the heat to control its body temperature. Panting is a mechanism of homeostasis that dogs use for regulation .
2. You have the below template DNA strand. Draw the coding DNA strand and mRNA. Include which ends are 3’ and which are 5’.
template DNA 3’ CCTACGGTTCGTACCCCGTATGTGTAACTTGTCAT 5’
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Answer:
DNA strand. Draw the coding DNA strand and mRNA. Include which ends are 3’ and which are 5’.
Explanation:
18. What is the complementary base of adenine in DNA?
O cytosine
Ouracil
O guanine
Othymine
Answers
Answer:
Uracil
Explanation:
It's the correct answer
What is the complementary DNA strand from the following DNA
template:
GGTACTAGCCATATCG
A- CCATGATCGGTATAGC
B- OTTATGATCGGTATAGC
C- CCAUGAUCGGUAUAG
D- OGGTACTAGCCATATCG
Answers
Answer:
The third one
Explanation:
Hey There!
Just so you know when you try to find the complementary base strand you put the letter of the nucleotide that it pairs with
Guanine pairs with Cytosine
Thymine Pairs with Adenine
Adenine Pairs with Uracil
Cytosine Pairs with Guanine
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Organelles are specialized structures that perform various functions in the cell. What are the functions of the organelles in an animal cell?
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Answer: Different organelles play different roles in the cell — for instance, mitochondria generate energy from food molecules; lysosomes break down and recycle organelles and macromolecules; and the endoplasmic reticulum helps build membranes and transport proteins throughout the cell.
Explanation: