Answer:
When a pot of water is placed on the burner and brought to a boil, the water evaporates more quickly. Some of the water in the seas and freshwater bodies, such as lakes and rivers, gets warmed by the sun and evaporates during the water cycle.
Explanation:
The evaporation of water is similar to the water cycle similar to the boiling water on the stove as in both processes, heat or increasing temperature causes water to turn into vapor.
What is the water cycle?The water cycle is a cycle or movement of water from Earth to the atmosphere and from the atmosphere to the earth. This process revolves water, and it is a very important process and dependent on temperature.
Watercycle shows different forms of water the water from rivers and ponds evaporates and goes into the atmosphere when the temperature increases and this water when condensation happens releases into the earth in the form of rain.
Therefore, the water cycle and the process of evaporation are comparable because they both involve heat or an increase in temperature making water into vapor.
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The secretion of gastric juice, strengthening of contractions of the lower esophageal sphincter, increased motility of the stomach and relaxation of the pyloric sphincter are stimulated by which hormone
The secretion of gastric juice, strengthening of contractions of the lower esophageal sphincter, increased motility of the stomach and relaxation of the pyloric sphincter are stimulated by gastrin. It is a hormone.
What is a hormone?A hormone is a chemical messenger produced and secreted by the body tissues in order to play specific roles.
Gastrin is a protein (peptidic) hormone associated with the secretion of gastric acid in the digestive system.
This peptidic hormone (gastrin) is fundamental for the normal functioning of the digestive system.
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If 15% of a particular DNA strand are nucleotides containing cytosine, what percentage of the DNA molecule would contain thymine
Answer:
35%
Explanation:
To make a DNA helix, two DNA strands are required. They are connected by the nitrogenous bases on each strand. Each type of nitrogenous base is complementary to another type: cytosine (pyrimidine) pairs with guanine (purine) and thymine (pyrimidine) pairs with adenine (purine). This means they only bond with their pair.
For every cytosine, there must be a guanine bonded to it. So, if 15% of the strand is cytosine, another 15% must be guanine.
Since,
15% + 15% = 30% and 100% - 30% = 70% ,
30% of the DNA strand consists of the cytosine-guanine pair and 70% of the DNA strand consists of the adenine-thymine pair.
Since,
70% / 2 = 35% ,
70% is made up of equal parts adenine and thymine, 35% of the DNA strand must contain thymine.
An organism with a genome of about 50,000,000 base pairs is found to have faulty dna repair proteins, even though its dna polymerase still proofreads while replicating the dna. About how many point mutations would you expect in this genome after two rounds of dna replication?.
Based on the error rate of 1 in 10000 nucleotides, the number of point mutations is 1000 mutations.
What is DNA repair?DNA repair is the method where errors which occur during DNA replication are corrected.
During DNA replication, the error rate is approximately 1 error for every 10,000 nucleotides copied.
This rate is reduced to only 1 error for every 1 billion nucleotides by DNA repair proteins.
Since the DNA repair proteins of the organism are faulty, the error rate is 1 in 10000.
Number of nucleotides copied = 2 × 50,000,000 = 100,000,00
Number of errors = 100,000,00/10,000 = 1000 point mutations
Therefore, the number of point mutations is 1000 mutations.
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need it now 100 points
Which of following has the least ecological tolerance to severe storms?
A very large island
A mainland coastal region
An inland area away from water
An island farther from the mainland
Answer:
An island farther from the mainland
Explanation:
The least ecological tolerance to severe storms C) An island farther from the mainland.
What are the 3 zones of ecological tolerance?Ecological tolerance is the variety of tolerance that an organism can endure before damage or demise, become aware of the three zones of ecological tolerance. most advantageous variety, zones of physiological stress, and region of intolerance.
What's a species' variety of tolerance?
The tolerance range is described because of the variety among the minimum and maximum limits to which organisms can tolerate positive modifications of their environment to live to tell the tale. it's miles the variety of environmental situations which can be tolerable for survival in a species.
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Add another bar to the chart that would represent Han
chinese at low altitudes. Pay attention to the height of
the bar and provide a short explanation for your choice.
Assuming height of the bar represents altitude, the bar representing Han Chinese will be shorter compared to that representing Tibetans since Han Chinese live at lowlands.
What is the role of natural selection in evolution in Tibetanscompared to Han Chinese?Tibetans and Han Chinese are thought to originate fro. same ancestors.
However, while the Han Chinese lived in lowland areas, Tibetans split off drom the Han Chinese about 2750 years ago and went on to live in high altitudes.
Natural selection helped Tibetans to evolve to adapt to high altitudes with several mutations occurring in their genes which are mostly related to use of oxygen by the body.
Assuming height of the bar represents altitude, the bar representing Han Chinese will be shorter compared to that representing Tibetans.
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Today, biologists classify organisms primarily by their
Group of answer choices
a.DNA.
b.All choices are correct.
c.behavioral differences.
d.Appearances only.
Answer:
It's DNA.
Explanation:
DNA is the most recent utility to determine the origin of an organism and it's powers compared to it't weaknesses.
Nowadays, it is the primary tool:
Deoxyribonucleic acid is a polymer composed of two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses. DNA and ribonucleic acid are nucleic acids.
Which of these statements about Earth’s magnetic poles is NOT correct?
The magnetic poles move around.
Earth’s magnetic field lines curve in toward Earth at the magnetic poles.
The magnetic poles are located at the geographic north and south poles.
Auroras form near the magnetic poles
I AM BETTING 70 POINTS SO RIGHT ANSWERS ONLY
Its Option 1 : The earth magnetic field is primarily a dipole that is ithas two poles. This brings the North and south magnetic pole.
Answer:
The magnetic poles are located at the geographic north and south poles IS THE INCORRECT ANSWER
4. In a species of roundworm, having a hard cuticle (H) is dominant to having a soft cuticle (h). In the lab, a
nematode with a hard cuticle mates with a soft-cuticle nematode. All of the offspring have hard cuticles. What
are the genotypes of the parents?
i will give brainliest if write in 5-10 min
Which of the following describes an area of land, generally state or nationally owned, that is often leased to different groups for its natural resources?
National park
Protected area
Extracted reserve
Conservation zones
Answer:
Extracted Reserve
Explanation:
Hope this helped nwn-
True or false: Fossils can include traces and imprints of plants and animals as well as their remains.
Given what we know, we can confirm that the statement being made is in fact true, Fossils can include traces and imprints of plants and animals as well as their remains.
Why is this statement about fossils true?Fossils are the preserved remains of ancient biological creatures. These fossils are not specific to one type of organism. Instead, fossils often contain many organisms at once. Plants, animals, fungi, bacteria, and single-celled living things are all examples of what we may find within fossils.
Therefore, we can confirm that the statement being made is in fact true, Fossils can include traces and imprints of plants and animals as well as their remains.
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What is a galaxy?
(Writing Question)
Answer:
A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.
Explanation:
hope this helps
Answer:
a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
Explanation: Hope I could help... :)
BRAINYEST QUESTION
Because the woman was known as a philanthropist, the charity group approached her for a donation.
What does the word philanthropist mean in this sentence?
A)someone who owns a business
B)someone who has inherited money
C)someone who makes a lot of money
D)someone who donates to charitable causes
Answer:
the answer is D now give me brainlest
Explanation:
Which lymph trunks receive lymph from the upper limbs?.
Answer:
Lumbar trunks (receives lymph from lower limbs)
Intestinal trunk (receives chyle from digestive organs)
Bronchomediastinal trunks (collects lymph from thoracic viscera)
Subclavian trunks (receive lymph from upper limbs and thoracic wall)
Jugular trunks (drain lymph from head and neck)
Explanation:
whats an example of differentiation?
Answer:
stem cells, while neurons are one of the most differentiated cells known.
Explanation:
Cell differentiation takes place fundamentally thanks to controlled changes in the transcriptional program; that is, coordinated changes in gene expression.
hello humans ~
Which of the following is a disease caused by protozoans?
Tuberculosis
Polio
Malaria
Typhoid
first of all, im not a human, im an alien or as my family and friends say. Second of all, the answer is Typhoid
The spherical object within a cell which controls its activity is called the _____. vacuole cytoplasm epidermis nucleus
Answer:
Your answer is nucleus.
Explanation:
The nucleus controls and regulates the activities of the cell (e.g., growth and metabolism) and carries the genes, structures that contain the hereditary information. Hope this helped :)
Answer: nucleus
Explanation: nucleus is the round object within a cell that controls its activity
what technology was used to map features on the seafloor? -Echo sounding
-plate tectonics
-eutrophication
-transducer
Answer:
Echo sounding
Explanation:
Echo sounding is the key method scientists use to map the seafloor today. The technique, first used by German scientists in the early 20th century, uses sound waves bounced off the ocean bottom.
13. Which of the following statements about complete metamorphosis is TRUE?
The physical form of the young animal is completely different than the physical form of the adult.
The adult form of the animal is similar to the young animal.
O All organisms that undergo complete metamorphosis are a caterpillar at some time.
Only arthropods undergo complete metamorphosis.
Answer:
The first one true.
Explanation:
Metamorphosis usually starts with the baby being completely different from the adult. Take a frog for instance. Righttttt
the second couldn't be because then that wouldn't metamorphosis...just growth..
not all organisms that metamorphise are caterpillars ..as i said..look at the frog:)
2N is the formula for determining
Answer:
2N is the formula for determining diploid chromosome number
hello humans ~
An infectious disease is ___________ .
caused only by bacteria
spread from person to person
spread from animal to animal
caused only by viruses
Answer:
Spread from person to person
Explanation:
A disease is concidered this once we learn if a person can catch it from another person.
Have an amazing day!!
PLEASE RATE AND MARK BRAINLIEST!!!
Answer:
spread to other to the person
Cells produce atp most efficiently in the presence of:.
Which letter kingdom represented would be animals?
B)
C)
E)
F)
Answer:
F)
Explanation:
Animals are multicellular organisms (that's why we can see them) with a nucleus containing DNA. They consume other organisms. This means they are heterotrophs. Animal cells don't have cell walls. If you look at its cell, there is no cell wall visible. This eliminates options B, C, and E. So, option F would represent animals.
What are two of the main factors that limit primary production in the epipelagic
Answer:
1) NUTRIENTS
2) LIGHT
Explanation:
So the two potential limiting factors in marine primary productivity are the availability of nutrients and light. Most phytoplankton stay near the surface to absorb red light.
These antibiotics include penicillin and its derivatives and work by inhibiting the production of the bacterial ____________ .
These antibiotics include penicillin and its derivatives and work by inhibiting the production of the bacterial enzymes
These antibiotics include penicillin and its derivatives and work by inhibiting the production of the bacterial enzymes.
What is Penicillin's mechanism of action?
The Penicillium mold is the source of penicillin, one of the first and still-commonly-used antibiotics. The numerous mold species that produce different types of penicillin ; the naturally occurring penicillins (those produced during the fermentation process of mold) and the semi-synthetic penicillins are two categories into which penicillium can be categorized.
All penicillins function in the same way, which is to inhibit the bacterial enzymes necessary for the creation of cell walls in replicating microorganisms and to activate other enzymes that demolish the microorganism's protective wall. They are therefore only effective against microbes that are actively forming cell walls and multiplying, and they are likewise safe for use on human cells.
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what are the cons of fetal stem cells
Answer:
The research is unethical(fetal stem cells) since the blastocyst, an unimplanted human embryo at the sixth to eighth day of development, is destroyed during the stem cell extraction process.
Answer:
Embryonic Stem Cell Disadvantages
1. Difficult to differentiate uniformly and homogeneously into a target tissue. 2. Immunogenic—ES cells from a random embryo donor are likely to be rejected. after transplantation.
Explanation:
The main disadvantage with embryonic stem cells is the way that they are acquired. Since human embryos are destroyed during the process of harvesting embryonic cells, this makes the research unpopular with those that believe human life begins at conception and that this life is being destroyed.
What are some ways this community could protect their watershed?
Don't dump anything in the river
O Limit pesticide and fertilizer to prevent runoff
O Protect natural vegetation along river
All of the above
Answer:
All of the above can prevent the watershed
The smallest unit that can carry out all activities associated with life
Answer:
Cell is the most basic unit of any organism, smallest unit of life that can function independently and perform all the necessary functions of life, including reproducing itself. All living organisms are made up of one or more cells. The cell is the smallest thing that is alive.
Explanation:
How can cells from the same organism have such different shapes and functions?
Answer: As each cell differentiates, the DNA changes so that each type of cell has different DNA once it reaches maturity. Mutations in the cells’ nuclei lead to new combinations of DNA, resulting in different shapes and functions in the different types of cells.
Hope this helps!
Question 1 (5 points)
When salt is added to water, what happens to the molecules?
Water and salt molecules remain together.
The water molecules remain together. The salt molecules break apart.
Water and salt molecules break apart.
The water molecules break apart. The salt molecules remain together.
Answer:
The water molecules remain together. The salt molecules break apart.
Eukaryotic cells have DNA enclosed in a double membrane called the nucleus. The nucleus functions to
Separate the DNA from other activities that occur in the cytoplasm.
Enjoy! ^^