Answer:
ہخھاڑکدسس ساٹقآرفذخقخکبٹکڑغدغطءبڑشٹب
Explain the relationship between urea cycle and citric acid cycle?
Answer:
one of its nitrogens through transamination of oxalacetate to form asparate and returns fumarate to that cycle.
Explanation:
The urea cycle is linked to the citric acid cycle by fumarate and by aspartate, which can be con- verted to malate by transamination (see Figure 23.22). ... Aspartate and arginosuccinate are the amino acids that link the two pathways. Aspartate is made by transamination of OxaloacetatA.
One difference between mixtures and pure substances is that
A. pure substances have no chemical bonds.
B. mixtures are made of one type of atom.
C. pure substances can be physically separated. Zinc
D. mixtures can be physically separated.
Answer:
D. mixtures can be physically separated.
Explanation:
Pure substances are unable to be physically separated where as mixtures can be through processes such as distillation.
According to comparative morphology,
O all organisms have similar development
O
the more closely related two species, the more analogous structures they will share
O homologous structures are inherited from a common ancestor
O organisms which have vestigial features are related to one another
Answer:
The statement "the more closely related two species, the more analogous structures they will share" is incorrect. Analogous structures are structures that serve a similar purpose in different species, but are not derived from a common ancestor. Homologous structures are structures that are similar due to inheritance from a common ancestor. The statement "organisms which have vestigial features are related to one another" is correct, as vestigial features are remnants of ancestral structures that have lost their function in an organism's evolutionary history and may suggest a relationship to a common ancestor with functional counterparts.
Hope this helps!
Which tissue covers the heads of the bones
Answer:
The tough, thin outer membrane covering the bones is called the periosteum.
True or False: The larval stage of the sea urchin is called the pluteus.
Answer:
False
Explanation:
it is called planktotrophs.
Answer:
larva, which is called a pluteus, has a small, wartlike bud that grows into the adult while the pluteus tissue disintegrates. In both examples it is as if the organism has two life histories, one built on the ruins of another.
Explanation:
hope this helps :)
Using very powerful microscopes, scientists estimate the volume of some of
the smallest bacterial cells to be 0.0090 cubic micrometers. What is the
correct way to write this amount in scientific notation?
A. 0.9 x 10-2 cubic micrometers
B. 9 x 102 cubic micrometers
C. 9.0 x 103 cubic micrometers
D. 9.0 x 10-3 cubic micrometers
Many parasitic protozoans can live within the body fluids of other organisms.
True
False
Answer: true
Explanation: Parasitic and symbiotic protozoa live on or within other organisms, including vertebrates and invertebrates , as well as plants and other single-celled organisms
Water heats up and cools down slower than land due to a higher _______ _______
Describe the development of the zygote until implantation occurs.
A student conducted an experiment on an unknown food to determine the presence of macromolecules. The results are as follows: Benedict’s test= blue, Iodine test= dark red, Biuret test= violet, Sudan IV= dark red. Using the indicator chart below and the information in the chart above, which macromolecules were present? Select all that apply.
a. carbohydrates
b. lipids
c. nucleic acids
d. proteins
INDICATOR
Benedicts
Iodine
Biuret
Sudan IV
NEGATIVE
TEST
blue
dark red
blue
dark red
POSITIVE
TEST
orange
black
violet,
reddish-
orange
To get into Challenge 2 you must know the monomer of the macromolecule from the correct answer.
Answer:a
Explanation:
A because
If the price of oil increased by 1000% least likely to happen?
Answer:
he least likely scenario is that the price of oil would increase by 1000% and there would be no change in the demand for oil, and no effect on the global economy.
Explanation:
If the price of oil increased by 1000%, it is least likely that the demand for oil would remain unchanged. Such a large increase in price would likely cause a decrease in demand as consumers and businesses look for alternative sources of energy or ways to conserve fuel.
It is also unlikely that there would be no effect on the global economy. A sudden and significant increase in the price of oil could have widespread economic impacts, including increased costs for transportation and production of goods, which could lead to inflation and slower economic growth.
Therefore, the least likely scenario is that the price of oil would increase by 1000% and there would be no change in the demand for oil, and no effect on the global economy.
Q8. The tips of neuronal axons communicate with other nerve cells by releasing small molecules called neurotransmitters. These neurotransmitters need to
cross a very tiny pocket of fluid to reach the next neuron; the distance is about 0.001 times the length of the smallest axon in this lab. Could this happen
through diffusion?.
This could happen through diffusion because, as there is a high concentration of neurotransmitters close to the diffusing axon and a low concentration nearer to the receiving neuron.
How does neurotransmitters travel through axons?The synapse that connects the following neuron's axon and dendrite allows neurotransmitters to pass through. Neurotransmitters adhere to the dendrite's membrane. The binding permits passage of the nerve impulse through the receiving neuron.
When neurotransmitters are being released from the presynaptic cell, their concentration is at their peak. The neurotransmitter can easily diffuse across this small distance to the postsynaptic neuron because the synaptic gap between the presynaptic neuron and postsynaptic neuron is so small.
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The Atlantic ocean grows in size due to a _____.
• A. thrust boundary
• B. convergent boundary
• C. divergent boundary
• D. transform boundary
According to the research, the correct answer is Option C. The Atlantic ocean grows in size due to a divergent boundary.
What is a divergent boundary?It is characterized by two plates that move in the opposite direction, approaching each other.
In this sense, in general it can form both on the ocean floor for example, mid-oceanic ridges producing constant volcanic activity that is forming new oceanic lithosphere causing an expansion in the Atlantic Ocean.
Therefore, we can conclude that according to the research, oceanic ridges (a divergent boundary), displace both segments of a ridge therefore the Atlantic ocean grows in size.
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Which elements (atoms) are the building blocks of ALL living organisms?
A. carbon, hydrogen, and oxygen
B. platinum, gold, and mercury
C. radon, nickel, and silicon
D. krypton, uranium, and plutonium
The biceps femoris muscle's name gives us information about it. What does the word "femoris" in its name tell us? A. Its general location B. Its action C. Its overall shape D. The number of attachments it has E. Its general size (compared to other muscles) F. The direction of its muscle fibers
Answer:
the answer is D
Explanation:
The prefix bi indicates that the muscle has two origins
The biceps femoris muscle of the leg derives its name from having two heads of origin, long and short
Which of the following does NOT describe the plasma membrane?
O selectively permeable
O differentially permeable
O semipermeable
O impermeable
According to the research, the correct option is impermeable. It does not describe the plasma membrane.
What is the plasma membrane?It refers to the structure that delimits each cell, keeping its internal environment separate from the exterior and also enables the development of compartments; allows or rejects the entry and/or exit of particles.
Selective permeability is the main characteristic of the plasma membrane, that is, its ability to allow or reject the entry of certain molecules into the cell.
Therefore, we can conclude that according to the research, the correct option is impermeable. It does not describe the plasma membrane.
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Mrs. Wallace used a force of 300N to accelerate a 150kg pile of ungraded papers because the time change made her cranky. What is the acceleration of the papers
Answer: The acceleration of the papers is 2 meters per second squared.
Explanation: To calculate the acceleration of the papers, we can use the following formula:
a = F/m
where: a represents the acceleration in square metres per second.
F is the force in Newtons, and m is the kilogrammes of mass.
When we enter the values we are aware of, we obtain:
a = 2 m/s2 when a = 300 N / 150 kg
The papers are therefore moving at an acceleration of 2 metres per second squared.
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BRAINLIEST!!!
YOU HAVE 5 MINUTES!!!!
Design an easy do-it-yourself compost bin that can be put (exnfe ffpao)
together at home. You can describe it, draw and label it, or both!
Include the following in your design:
• drawing or description of design
• materials used for the bin
• size of the bin
• substances used to fill it
• household items that can go in it
• how long it takes before it is ready
• how you use the compost
2)
Compost bin design: Add these household items to
your compost bin:
Compost is ready to use in this
much time:
Use your compost this way:
A description of the compost bin that can be used for this experiment is that the bin is a rectangle-shaped container that is made of wood. This container is 150 cm wide and 30 cm deep. It can hold up decaying materials for up to one month.
How to use the compostThe compost can be used to store decaying materials that will be used in a nearby farm for manure. Composting is the act of storing up decomposable materials that remain in a container until they are ready for use.
The compost so obtained can be used to improve the fertility of the soil where crops will be planted.
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Argentina located on the tropic of Capricorn. At what position of earth, will the sun be exactly overhead at Argentina?
position 1
position 2
position 3
position 4
Answer:
Position2 would be answer
Explanation:
Answer:
Position 2
Explanation:
I did the test
If 23 molecules of glucose are catabolized, how many molecules of ATP are produced (via substrate level phosphorylation) by the TCA cycle? How many FADH2 molecules and NADH molecules are produced by the cycle?
Answer:
A
If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1).
B
If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
C
If Assertion is true statement but Reason is false, then mark (3)
D
If both Assertion and Reason are false statements, then mark (4)
Explanation:Substrate-level phosphorylation is a type of metabolic reaction that results in the formation of Adenosine Triphosphate (ATP) of Guanosine Triphosphat (GTP) by the direct transfer and donation of a phosphoryl (PO3) group to Adenosine Diphosphate (ADP) of Guanosine Diposphate (GDP) from a phosphorylated reactive intermediate.
In glycolysis substrate level phosphorylation occurs in following two reactions
(i) 2molecules of 3-phosphoglyceric acid react with 2 molecules of ADP to from 2 molecules of 3-phosphoglyceric acid and 2 molecules of ATP.
1,3−diphosphoglyceric2 mol eculesacid+2ADP−→−−−−−−−−phosphotransferaseMg2+2−phosphoglyceric2mol eculesacid+2ATP
(ii) 2 mol ecules of phosphoenolpyruvic acid reacts with 2 mol ecules of ADP to from 2 mol ecules of pyruvic acid and 2ATP.
1−phosphoenolpyruvic acid2mol ecules2ADP−→−−−−−−Pyruvic kinaseMg2+Pyruvic acid2mol ecuels+2ATP
Imagine animal cells had chloroplasts. Chloroplasts allow plant cells to perform photosynthesis. How do you think
this would change the way animals gain energy?
Answer:
it would probably mean that we wouldn't have to eat, or not as much anyway, we aren't outside 24/7 and unlike plants. we move around, so during winter we can't just go dormant nor can we just stand outside. To sum this up, we would probably only have to eat less
Explanation:
Life on Earth likely evolved from a common ancestor that existed approximately 3.5 billion years ago. Which of these is evidence that all life on Earth shares common features? Select ALL that apply.
Responses
A All life on Earth has DNA as the molecule of heredity.All life on Earth has DNA as the molecule of heredity.
B All life on Earth is made up of cells with a rigid cell wall.All life on Earth is made up of cells with a rigid cell wall.
C All life on Earth performs transcription and translation in a similar fashion.All life on Earth performs transcription and translation in a similar fashion.
D All life on Earth contains mitochondria for cellular energy.All life on Earth contains mitochondria for cellular energy.
E All life on Earth has cells surrounded by membranes.
the evidence that all life on Earth shares common features is that All life on Earth performs transcription and translation in a similar fashion. and All life on Earth has cells surrounded by membranes.
What is transcription and translation?
The process of transcribing a piece of DNA into RNA is known as transcription. Messenger RNA is created when segments of DNA are translated into RNA molecules that can encode proteins. Translation is the process by which ribosomes in the cytoplasm or endoplasmic reticulum create proteins following the transcription of DNA to RNA in the cell's nucleus. The entire process is known as gene expression.
What is cell membrane?
The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment. The cell membrane is made up of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
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Which correctly lists three features of a rock's grains that determine its texture?
CO
color, pattern, size
O formation, color, shape
O pattern, color, formation
O shape, pattern, size
Answer:
shape, pattern, size i took the test
Explanation:
Answer:
shape pattern and size
Explanation:
Answer for room 5 punnet square escape room
In Punnett Square, a grid and letters are used. Lowercase letters correspond to recessive alleles, while capital letters signify dominant alleles.
What is Punnett square?The known genotypes of each parent are displayed using this tool to aid in predicting the potential genotypes of their offspring. It demonstrates how alleles are inherited or transmitted from parents to offspring.
It is frequently utilized in monohybrid and dihybrid crosses, where the theoretical results are predicated on the assumptions of segregation and independent allele distribution (according to Mendelian inheritance).
A tool that aids in displaying all potential allele pairings of gametes in a cross of parents with known genotypes in order to forecast the likelihood that their kids would carry specific allele combinations.
Therefore, In Punnett Square, a grid and letters are used. Lowercase letters correspond to recessive alleles, while capital letters signify dominant alleles.
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A researcher investigates a recently discovered species of plant. The plant has vascular tissues and exhibits a sporophyte and a gametophyte generation, but lacks seeds. How should the researcher classify the plant?
A.
angiosperm
B.
gymnosperm
C.
bryophyte
D.
pteridophyte
Answer:
D. pteridophyte I did this btw
Explanation:
Select the correct answer.
How does air pollution impact crops?
OA.
О в.
O C.
O D.
Air pollution has no impact on crops.
Air pollution causes plants to produce less.
Air pollution kills many types of plants.
Air pollution takes nutrients from the soil.
why is there a crisis if "energy can neither be created or destroyed"?
Answer: Scientists say that energy can neither be created nor destroyed, so therefore it is impossible for there to be an energy crisis.
Explanation:
I'm pretty sure I'm right
Answer:
There is a problem because if energy is created as machines worked everything would speed up until it breaks, and if energy was destroyed as machines worked everything would eventually slow down and stop. So in both cases the world would end, a whimper in one a bang in the other.
Explanation:
Reference: How things Work Now(book)
Will this movement re hire an input of energy?
Their movement will require the input of energy. That is option B.
What is an active transport?An active transport is defined as the movement of molecules across the cell membrane from different compartments in the living organism.
The active transport makes use of energy because of the need to move molecules from a semi permeable membrane that is against a concentration gradient.
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How does human population affect the environment and how does controlling population benefit the environment?
Human population growth impacts the Earth system in a variety of ways, including: Increasing the extraction of resources from the environment. These resources include fossil fuels (oil, gas, and coal), minerals, trees, water, and wildlife, especially in the oceans.Hope this helps.
Suppose a submarine is changing depths. Which direction could the
submarine move to go from an area of lower pressure to an area of higher
pressure?
OA. From a trench to the twilight zone
OB. From the deep ocean to a trench
OC. From the deep ocean to the twilight zone
D. From the twilight zone to the ocean surface