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The image shows embryos from four different animal species in an early stage of development.
pe
Fish Embryo,
31 Hours
Chick Embryo,
6 Days
Mouse Embryo,
11 Days
Human Embryo
41 Days
Which conclusion can be drawn from these data?
Choose the correct answer
#1Fish develop more slowly than chickens, mice, and humans.
#2Fish embryos cannot be distinguished from chicken embryos.
#3Mice and humans have no similarities during development
#4Humans are more closely related to mice than they are to chickens or fish
Answers
Answer:
#4 Humans are more closely related to mice than they are to chickens or fish.
Explanation:
If you compare the human embryo with the mouse embryo, you can tell they look very similiar, like in the way they curl up and in their eye placement/size. With the other two- fish and chickens- they look extremely different in comparison to the human embryo. The comparisons that i used before (eye placement/size and formation) I'll use as an example. They look nothing similiar to each other, therefore the answer is #4.
Hope this helps :)
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explain the roles of mRNA and tRNA in protein synthesis
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Answer:
Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein synthesis
Answer:
Messenger RNA (mRNA) molecules carry the coding sequences for protein synthesis and are called transcripts; ribosomal RNA (rRNA) molecules form the core of a cell's ribosomes (the structures in which protein synthesis takes place); and transfer RNA (tRNA) molecules carry amino acids to the ribosomes during protein synthesis
Explanation:
Match the function to the molecule.
Functions:
Provides immediate energy
Forms the cell membrane of all cells
Speeds up the chemical reactions by lowering the activation energy
Provides long-term energy
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A sugar
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Wetlands provide all of the following benefits except
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Answer:
Wetlands provide many societal benefits: food and habitat for fish and wildlife, including threatened and endangered species; water quality improvement; flood storage; shoreline erosion control; economically beneficial natural products for human use; and opportunities for recreation, education, and research.
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the two proteins directly involved in muscle contraction are broadly called
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The two proteins directly involved in muscle contraction are MYOSIN AND ACTIN. The interaction between these proteins is responsible for muscle contraction.
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During muscle contraction, myosin and actin proteins slide past each other, thereby leading to sarcomere shortening.
The myosin protein binds to actin filaments and thus myosin acts as a motor protein that drives filament sliding.
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what weather factor is also a meausurement of energy held within the air?
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Answer:
Answer:Temperature is the amount of heat energy contained in the air, and we measure this in degrees.
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Чи може містити рослинна клітина елемент або речовину, яких немає в
навколишньому середовищі? наведіть приклади
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Answer:
the first great German expressionist film was
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The thorax is a very vital and important organ in the human body.
It is a structure that serves as a protective covering for organs in the body such as the lungs, the heart, some vital blood vessels e.t.cIt is false that to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.
When a person breathes in, the chest cavity expands (the volume increases) and the pressure in the thorax decreases. When a person breathes out, the chest cavity decreases in size, and the pressure in the thorax increases. Therefore, we can see that the process of breathing in humans, follows the principle of Boyle's Law. Boyle's law states that as the volume increases there is a decrease in pressure and as the volume decrease there is an increase in pressure.Therefore, It is false that to make a person breathe in, the volume of the chest cavity must decrease, creating a higher pressure in the thorax.
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Which of the following is not evidence for Continental Drift Theory?
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main issue with Wegener's Continental Drift Theory is he did not have a mechanism behind the drifting of continents
Pack ice forms when frozen
seawater
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b) sinks from the surface zone to the deep zone
c) moves onto the land.
d) is driven together by wind and waves.
Answers
Answer:
water in or taken from the sea.
Explanation:
water in or taken from the sea. AKA C.
What are proteins composed of, and what are their main functions in the body
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Answer:
Proteins are large, complex molecules that play many critical roles in the body. They do most of the work in cells and are required for the structure, function, and regulation of the body’s tissues and organs.
Proteins are made up of hundreds or thousands of smaller units called amino acids, which are attached to one another in long chains.
Explanation:
The water cycle plays an important role in an environment because
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Answer:
it gives us water and it helps all our thing in the envierment grow and help us live.
what is the identity of the planets ?
a:
b:
c:
d:
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Answer:
A - Jupiter
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the __________ vertebrae articulate with the corresponding ribs.
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Answer:
Each vertebra contains three points of articulation with ribs. The superior demifacet of a thoracic vertebra articulates with the corresponding rib (costovertebral joint). This rib articulates again with the costal facet on the transverse process (costotransverse joint). The inferior demifacet articulates with the rib below.
Explanation:
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What percentage of the entire reef did the scientist sample
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Answer:
As a result, over 50 percent of the world's coral reefs have died in the last 30 years and up to 90 percent may die within the next century—very few pristine coral reefs still exist.
Explanation:
As a result, over 50 percent of the world's coral reefs have died in the last 30 years and up to 90 percent may die within the next century—very few pristine coral reefs still exist.
What are coral reefs?A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups.
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Answer:
Explanation:
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Answer:
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Explanation:
Hope it helps u.
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Where must an mRNA attach before protein production can begin?
Answers
Answer:
to a Ribosome
Explanation:
mRNA is produced inside the nucleus of a cell according to the genetic information present in the DNA of the cell. this process is known as Transcription.
Then it's sent to ribosomal subunits in the cytosol through nucleopores. then it attaches to the ribosome. the ribosome reads the nitrogenous base sequence and pairs the tRNAs with complementary nitrogenous bases. (your answer is here, but if you want to know more, continue reading it.)
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image credit: Wikipedia
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Answer:
Wheal
Explanation:
Answer:
you answer is Wheals skin
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Answer:
A physical scientist works mainly in a laboratory (although fieldwork may be possible), conducts experiments or makes observations, analyzes findings, operates necessary equipment, and develops and tests theories.
Explanation:
Hope This Helps!
Answer:
They explore physical things like venturing out in nature to see the size, shape, and where it goes in the ecosystem.
Explanation:
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Answer:
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Explanation:
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Answer:
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Answer:
Most of the iron that is removed from degraded hemoglobin is: recycled to the red bone marrow.
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Hello, I was wondering if you can help me with questions 1 and 2.
Answers
Answer:
sorry can't help
Explanation:
you didn't upload the question