⚠️Pangea was the last supercontinent on the Earth. However, by the late Triassic period it had begun to separate. By the Jurassic, Pangea had split into the northern continent of Laurasia, and the southern continent of Gondwana, separated by a narrow ocean called the Tethys Sea. Which statement below best describes what likely happened here?
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Related Questions
Which of the following is a characteristic of renewable sources of energy
They are exhaustible
They cause air pollution
They will run out soon
They cause less pollution
Pls help ty
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They cause less pollution. Renewable sources of energy, such as solar, wind, and hydroelectric, cause significantly less air and water pollution than non-renewable sources, such as coal and oil.
What is pollution?Pollution is the presence of toxic substances in the environment that can have a negative effect on humans, animals, and plants. It can either be the result of natural processes or due to man-made activities. Pollution can occur in the air, water, soil, and even in the food we consume. Common forms of pollution include air pollution, water pollution, plastic pollution, and noise pollution. Air pollution is the release of pollutants into the air which can cause harm to humans and the environment. Water pollution is the contamination of surface or ground water and can be caused by agricultural runoff, industrial pollution, and sewage. Plastic pollution is the accumulation of plastic particles in the environment that can damage ecosystems.
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Under normal cellular conditions, the FoF1 complex of the inner mitochondrial membrane functions to create new ATP. Under non-physiologic experimental conditions, isolated FoF1 complex can be driven in reverse as long as [ATP] is high. Which of the following would be true under such conditions?
A. The FoF1 complex would be operating as an ATPase rather than an ATP synthase.
B. The FoF1 complex would be driving net H+ movement from the matrix side to the IMS (intermembrane space) side
C. The FoF1 complex would create more ATP, per unit time, than it does under physiological conditions
D. As the experiment continues, we would expect to see higher & higher concentrations of ADP.
E. The FoF1 complex would effectively be operating as a proton pump.
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Answer:
The answer is "Option A, B, and E".
Explanation:
In specific cell conditions, the F0F1 system of the inner mitochondrial membrane functions as an ATP synthase for generating new ATP ADP proteins and Pi. Even so, this has a specific biological role in non-physiological situations through functioning as an ATPase. Its ATPase acts in such circumstances and transmits large amounts of ATP to both the mitochondrial space throughout the transmembrane proton gradient.
The free radical of the transmembrane can be used by fermenting bacteria without an electron transport system. Its ATPase is being used to generate a proton gradient rather than to hydrolyze ATP. It may be used as a means of transporting flagella or nutrients into its cell.
The statements which are true about the FoF1 complex are:
The FoF1 complex would be operating as an ATPase rather than an ATP synthase.The FoF1 complex would be driving net H+ movement from the matrix side to the IMS (intermembrane space). The FoF1 complex would effectively be operating as a proton pump.So, the correct options are A, B, and E.
What do you mean by FoF1 complex?This complex is present in bacterial and mitochondrial H(+)-ATP synthases both consist of a membranous sector, Fo, which forms an H(+)-channel, and an extramembranous sector, F1, which is responsible for catalysis.
This FoF1 complex is the site of ATP synthesis along with the movement of protons (H+) from the matrix to the IMS. It is effectively operating as a proton pump because it mediates the transport of H+ ions out of the matrix.
Therefore, statements A, B, and E are correct with respect to the FoF1 complex.
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the energy role responsible for capturing the energy from the sun and turning it into food is a
A. producer
B. Consumer
C. Decomposer
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Answer:
A. Producer
Explanation:
The primary source of energy for almost every ecosystem on Earth is the sun. Primary producers use energy from the sun to produce their own food
Answer:
Hi, there the answer is A. producer
Explanation:
All food chains start with energy from the sun. This energy is captured by plants. Thus the living part of a food chain always starts with plant life and ends with an animal. Plants are called producers because they are able to use light energy from the sun to produce food (sugar) from carbon dioxide and water.
Which number represents runoff on the hydrologic cycle diagram?
1
2
3
4
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Answer
No. 4
Explanation:
Where does wind come from? Why and how is wind stronger than other times? Or why and how is wind lighter ( not as strong) as other times.
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Answer:
Wind is air in motion. It is produced by the uneven heating of the earth's surface by the sun. Since the earth's surface is made of various land and water formations, it absorbs the sun's radiation unevenly. Two factors are necessary to specify wind: speed and direction.
Strong winds are due to a strong pressure gradient force. A pressure gradient is how fast pressure changes over distance. So, when pressure changes rapidly over a small distance, the pressure gradient force is large. Strong winds almost always result from large pressure gradients.
Explanation:
Which structure can be found in a eukaryotic cell but NOT in a prokaryotic cell?
A.
mitochondrion
B.
cytoplasm
C.
chromosome
D.
plasma membrane
Answers
Answer:
Plasma membrane
Explanation:
A small proportion of humans have resistance to strains of HIV, the virus that causes AIDS. Their immunity is caused by a deletion in gene CCR5, a co-receptor on white blood cells needed for HIV infection. The proportion of people with resistance (genotype aa) to HIV is approximately 8%. If these alleles are in Hardy Weinberg equilibrium, what proportion of people are carriers for the HIV resistant allele?
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Answer:
The correct answer is "40.6%". A further explanation is provided below.
Explanation:
The given values are:
The proportion of people with resistance is,
aa = 8%
or,
= 0.08 (q²)
q² = 0.08
q = √0.08
= 0.28284
Now,
⇒ [tex]p+q=1[/tex]
⇒ [tex]p=1-q[/tex]
[tex]=1-0.28284[/tex]
[tex]=0.717157[/tex]
hence,
For the HIV resistant allele, the proportion of people will be:
= [tex]Aa[/tex]
= [tex]2pq[/tex]
On substituting the values, we get
= [tex]2\times 0.71715\times 0.28284[/tex]
= [tex]0.4056[/tex]
= [tex]40.6[/tex] (%)
The proportion of the population with the carrier of HIV-resistant allele is 40.56%.
What is Hardy Weinberg equilibrium?
Hardy Weinberg equilibrium is the relationship between the variation from one generation to the next. The equation for the relationship can be given as:
[tex]p^2+2pq+q^2=1[/tex]
Where the proportion of dominant alleles is p².
The proportion of recessive alleles is q².
The proportion with the caries are 2pq.
The given recessive allele proportion in the population is 0.08. The proportion of dominant alleles can be given as:
[tex]q^2=0.08\\q=0.2828[/tex]
The dominant alleles can be given as:
[tex]p+q=1\\p+0.28284=1\\p=0.717157[/tex]
The carriers in the population can be given as:
[tex]\text{Carriers}=2pq\\\text{Carriers}=2\;\times\;0.717157\;\times\;0.2828\\\text{Carriers}=0.4056\\\text{Carriers}=40.56\%[/tex]
Thus, the carriers for the HIV gene in the population are 40.56%.
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PLZ HURRY I ONLY GOT ABOUT 10 MINS LEFT
Answers
Answer:
b
Explanation:
i had this same quiz when i was younger
The answer is B: tectonic movement.
The shifting of tectonic plates is what is responsible for the movement of continents over millions of years.
2. Which of the following is not true of protozoa?
© Lack cell wall
b) Produce no spore bearing structures
c) Comprise the microbial population known as phy
d) Form active feeding forms called trophozoites
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Answer:
c) Comprise the microbial population known as phyDescribe how you would identify mutations that are dominant. Describe how you would identify mutations that are dominant. To identify dominant mutations, breed the mutant individual to a mutant individual. Dominant mutations will be visible in the F1 generation. To identify dominant mutations, breed the wild-type individual to a wild-type individual. Dominant mutations will be visible in the F1 generation. To identify dominant mutations, breed the mutant individual to a mutant individual. Dominant mutations will be visible in the F2 generation. To identify dominant mutations, breed the mutant individual to a wild-type individual. Dominant mutations will be visible in the F2 generation. To identify dominant mutations, breed the mutant individual to a wild-type individual. Dominant mutations will be visible in the F1 generation.
Answers
Answer:
To identify dominant mutations, breed the mutant individual to a wild-type individual. Dominant mutations will be visible in the F1 generation.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Which option is a renewable source of energy?
a.Petroleum
B. Wind
C. Nuclear power
D. Coal
Answers
Answer:
B. Wind
Explanation:
Because nature constantly replenishes the wind, we can continue to harness its power without worrying about running out of it.
Why will individuals have brown eyes rather than a blue eyes?Question 6 options:a)
Brown eyes is a mutation.
b)
Blue eyes is recessive.
c)
Blue eyes is dominant.
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Answer:People with brown eyes have a large amount of melanin in the iris, ... leading to blue eyes instead of brown in people with a polymorphism in ... result from mutations in genes involved in the production and storage of melanin. ... Heterochromia can be caused by genetic changes or by a problem during eye
Explanation:
I AM SORRY IF AM WRONG
B) blue eyes is recessive
Because if I remember correctly blue eyes are a mutation not brown.
observe the cartoon on the next page.Identify each simple machine represented in the machine.your choices will be:lever,inclined plane,pulley,wedge,screw,,wheel and axel,and pendulum.(not really a simple machine,but will be ok in this worksheet)
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Answer:
Hii could u please show me the cartoon??
: )
Explanation:
What happens at the end of the lytic cycle 
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Experts and above ONLY
To answer this u have to be expert, ace or genius level
25 PTS PLEASE HELP QUICK
(not related to the question but please add thx i want friends)
OK THX THE QUESTION IS BELOW
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Answer:
Answers are in the image
Please help meeeee omgggg!!!
Answers
Answer:
Pollination
Explanation:
Bees and other pollinators drink nectar and get pollen on their feet and little pockets. When they go drink from another plant, the pollen falls on the reproductive organ and reproduction has begun.
Hope this helped :)
Answer:
The answer is A.
Explanation:
The answer is A. because for two pants to breed it depends on the pollen.
12. Which type of erosion forms limestone caves?
A. wind erosion
B. stream erosjon
C. groundwater erosion
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Answer:
c. groundwater erosion
Answer:
Hello There!!
Explanation:
I believe the answer is C. groundwater erosion.
hope this helps,have a great day!!
~Pinky~
define agriculture plz
Answers
Answer:
practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
Explanation:
Answer:
Hello There!!
Explanation:
Agriculture is the art, the science and the practice of cultivating the soil, growing crops and raising livestocks.
hope this helps,have a great day!!
~Pinky~
if wheat is sown in the kharif season what would happen discuss
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Does every gene combination show up in the offspring?
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Answer:
Answer!
Explanation:
Okay so, genes come in different varieties; which are called allele. somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. BUT, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism's offspring and expressed in a later generation.
During meiosis I, chromosomal pairs randomly align along the metaphase plate. Each chromosome pair member carries one allele for each gene. Every gene combination shows up in the offspring.
Chance determines which of the 23 homologous pairs of both parents' chromosomes are inherited. The possible combinations of 23 chromosomal pairs total 8,324,608. As a result, the chromosomal combinations of two gametes are almost never identical.
Actually, each parent has two distinct gene pools. Additionally, only half of each parent's DNA is passed on to their offspring. and that the randomness of the portion that is passed down. All of these factors work together to guarantee that every child has a distinct collection of genes.
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When blood passes through a capillary bed in the
it downloards O2 and uploads CO2.
Answers
Answer:
Exchange of gases takes place at alveoli sacs of lungs, which are equipped with capillary vessels or bed.
Explanation:
On inspiration or taking air through nostrils, surrounding air enters the lungs and it reaches air sacs or alveoli. Here, the outside air will have more amount of oxygen when compared with oxygen in blood at that site. Hemoglobin in the blood have high bonding capability to oxygen, so it captures oxygen and takes it to heart for pumping into other parts of the body. Likewise, the circulations continues from lungs to heart > hear to body parts > body parts to heart > heart to lungs for purification.
Pleeeeeasssssee heeelp asap The image is attached
The box lists some characteristics of a plant that has adapted to conditions in Its environment. Grows in clusters and low to the ground Able to grow under a layer of snow Carries out photosynthesis at temperatures below freezing Flowers very quickly and briefly during Summer Produces small, moisture-retaining leaves To which type of environment is the plant best adapted? A. Desert Grassland Rainforest D. (ID Tundra
No links i will report
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Why do organisms compete for food and water?
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Answer:
Organisms compete for the resources they need to survive- air, water, food, and space. In areas where these are sufficient, organisms live in comfortable co-existence, and in areas where resources are abundant, the ecosystem boasts high species richness (diversity).
Explanation:
What is the DNA test examining specifically?
It is comparing the protein enzymes.
It is looking for matching patterns of alleles.
It is trying to find a mutation.
It is examining the lipid level of the cells.
Answers
Answer:
it is examining the lipid level of the cells
Explanation:
The general procedure includes: 1) the isolation of the DNA from an evidence sample containing DNA of unknown origin, and generally at a later time, the isolation of DNA from a sample (e.g., blood) from a known individual; 2) the processing of the DNA so that test results may be obtained; 3) the determination of the ...
Question 12
_______receive messages from other neurons and_____send messages to other
neurons.
O Dendrites; axons
O Axons; soma
O Soma; glial cells
Axons; dendrites
Answers
Answer:
dendrites, axons
Explanation:
Dendrites receive messages from other neurons and axons send messages to other.
Decomposers are very important because
A. They recycle energy
B. They recycle matter
C. They destroy what we don’t need
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what is meant by photosynthesis?
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Answer:
The process in which green plants use sunlight to synthesize nutrients from carbon dioxide and water.
Explanation:
deoxigenated blood returns to the heart via the vena cava. where does the blood go from the vena cava
a. left ventricle
b. left atrium
c. right ventricle
d. right atrium
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Answer:
D
Explanation:
Which aquatic biome is heavily influenced by stratification?
1. rivers and streams
2. lakes and ponds
3. the ocean
Answers
Answer:
freshwater biomes
In freshwater biomes, stratification, a major abiotic factor, is related to the energy aspects of light. Marine systems are influenced by the physical water movements, such as currents and tides, along with the thermal properties of water.
hope it helps
Describe the structure of a fibrous joint and give an example of where this occurs in the body.
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Explanation: For example, the joint between two bones of skull. The frontal bone and the temporal bone of the skull are fused with one another and there is no movement between the two bones. Where the bones are fused together a fissure is formed , it is like a line but little deep on the surface to show that there is a fusion . This type of joint is mostly present between the bones where there is no movement like in the skull , between the vertebrae , between the ribs and sternum.