Answer:
T-A-C-T-G
Explanation:
Deoxyribonucleic acid, widely known as DNA, is the genetic material in living cells. It is a double-stranded molecule, with each strand arising from the pair of nucleotide monomers that forms its structure. In the DNA, four nucleotides exist namely: Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).
These four bases occur in different combinations to form a sequence that makes up each strand of the DNA. However, each nucleotide pairs with one another using the COMPLEMENTARY BASE PAIRING RULE, which states that Adenine will always hydrogen bond with Thymine, while Guanine will always hydrogen bond with Cytosine i.e. A-T, G-C.
Based on the above, a DNA strand with sequence: A-T-G-A-C will pair with another DNA strand with sequence: T-A-C-T-G.
Deoxyribonucleic acid is an essential molecule that comprises nucleotides purines and pyrimidines.
The six-membered nitrogen-containing ring joined with the imidazole ring is called purines whereas, the pyrimidines are the six-membered nitrogen ring.Purines ascertained in the DNA and RNA are adenine and guanine.Pyrimidines found in the DNA are cytosine and thymine whereas, in the RNA cytosine and uracil is found.The sequence of the base pair formed from the DNA sequence
A-T-G-A-C will be:
T-A-C-T-G
The adenine always base pairs with thymine.The purine guanine always pairs with the pyrimidine cytosine in the case of DNA sequences.
Therefore, the sequence formed will be T-A-C-T-G .
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Again, imagine that your liver, which has a volume of 2 liters, developed from a single embryonic precursor cell with a volume of 1000 μm3, or 1 x 10-12 liters. You previously calculated how many cell division cycles would be required for the precursor cell to produce your mature liver.
What if the control of liver organogenesis were a bit faulty, and the process went exactly 2 cell division cycles beyond this? What then would be the volume of your liver in liters?
I found that the answer to the first question is 41, but I can't figure out the second part.
Answer:
41 cycles
If cell division went 2 cell division cycle beyond the precursor; we have 43 cycles
The volume would be = 17.59 Litres
Explanation:
From the given information:
The number of cells in the liver that developed from an embryonic precursor is roughly [tex]\dfrac{2}{10^{-12}}= 2\times10^{12}[/tex]
The number of cell cycles needed to produce [tex]2\times 10^{12[/tex] cells is:
= [tex]log_2(2\times 10^{12})[/tex]
= 40.86
[tex]\simeq[/tex] 41
Thus, nearly 41 cycles of cell division are required to form the mature liver.
Now;
Suppose 2 extra cell division cycles took place;
The total number of cells would be 2⁴³ = 1.759 × 10¹³; &
The volume would be = 1.759 × 10¹³ × 10⁻¹²
The volume would be = 17.59 Litres
What is the definition of biosphere? (1 point)
O the area of the earth that is liquid
O the area of the earth where all living things exist
O the area of the earth that is solid
O the area of the earth covered by water
Answer:
The area of the earth where all living things exist
The area of the earth where all living things exist, and all ecosystems on Earth that support life are collectively referred to as the biosphere, hence option B is correct.
What is a biosphere?
The biosphere encompasses everything from the deepest tree roots to the shadowy depths of ocean trenches, lush rain forests, lofty mountain summits, and transitional regions like this one where marine and terrestrial ecosystems converge.
The biosphere is the name given to the land, ocean, surface, and atmosphere of the entire planet where life lives.
A population is made up of many species, and a population is made up of a community, an ecosystem, a biome, and a biosphere.
Therefore, the biosphere is the area of the earth where all living things exist, hence option B is correct.
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What's a quote in the poem "two kinds" that encouraging
Meteorologists refer to the water vapor in the atmosphere as
Answer:
^^ The answer is below ^^
Explanation:
Water vapor is water in the gaseous phase. Meteorologists have defined several different terms to express the amount of water vapor in air. ... Specific humidity is the ratio of the mass of water vapor in a sample to the total mass of the moist air, including both the dry air and the water vapor.
Meteorologists refer to the water vapour in the atmosphere as moisture or humidity.
What are water vapours?The atmosphere is continually being circulated with water. Water evaporating from the surface of the Earth rises into the sky on heated updrafts. When the air is driven by the wind, it condenses into clouds before returning to Earth as rain or snow. This cycle is vital to how heat and energy are moved around our globe from one location to another and from the Earth's surface to the atmosphere.
The most significant greenhouse gas found in the atmosphere is also water vapour. The heat emitted from the surface of the Earth is absorbed by water vapour molecules in the lower atmosphere. In turn, the molecules of water vapour emit heat in all dimensions. The Earth's surface receives some of the heat back. So, in addition to sunshine, water vapour serves as a second source of warming for the Earth's surface.
Therefore, meteorologists refer to the water vapour in the atmosphere as moisture or humidity.
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What effect do greenhouse gases have on the temperature of our planet?
(plz answer lolz)
Answer:
Explanation:
The effect of greenhouse gases is that the earth atosphere has been rising consistently for decades and traps extra heat near the surface of Earth.
True or false statement ? The atmosphere of Venus is dense and mostly made of carbon dioxide?
Answer:
True. The atmosphere of Venus is the layer of gases surrounding Venus. It is composed primarily of carbon dioxide and is much denser and hotter than that of Earth. The temperature at the surface is 740 K (467 °C, 872 °F), and the pressure is 93 bar (1,350 psi), roughly the pressure found 900 m (3,000 ft) underwater on Earth.
Explanation:
Explain the role the ocean plays in the carbon cycle (think about the physical and biological processes that occur in the ocean)
Answer:
i need help with this exact question.
Explanation:
Explain why hunter-gatherer societies were highly mobile.
PLEASE HELP!!!
Answer:
Hunter and gatherer societies were highly mobile because if the place they they were staying ran out of resources they would have to move. The way that later societies would combat this is by planting farms which could grow back every year and allow them to stay in one place for long periods of time. Hope that helped!
Answer:
Hunter Gatherers rely on the land around them to keep them alive and well, with this being said , if a heard of Buffalo were to move away the village would starve because their main food source would be gone, so they have to “follow their food” and move with nature to stay alive.
Explanation:
100% on endginuity 2021
Cells that are carrying out normal day to day fuctions are in which phase of the cell cycle?
Answer Choices
A .Cytokinesis
B. Mitosis
C. Interphase
Answer:
i think its B. Dont take my word for it tho..
Explanation:
sorry if its wrong :'(
Answer:
mitosis
Explanation:
please help me plz :(
Answer:
They're Multiplying
Explanation:
Im ony GUESSING here but it looks like they are multiplying
Toby and his brother Jedidiah are eating burgers. All of a
sudden, Jedidiah begins to gasp for air, grabs his neck, and
starts turning blue in the face. What can Toby do to help
Jedidiah?
A.perform CPR
B. give him an inhaler
C. perform the heimlich maneuver
D.nothing, it will pass
A 75 kg patient needs a medication X in the amount of 0.2 mg/kg/day. The medication comes in a liquid solution of 50 mg for every 1000 ml. How many ml of this solution will this patient need in a day? If this solution is being infused at 60 ml/hr, how long with the transfusion take?
Answer:umm.....
Explanation:
need answer ASAP!!
What is the function of the chloroplasts?
Answer:
Organelles called chloroplasts allow plants to capture the energy of the Sun in energy-
Explanation:
Answer:
Allows the plant to capture energy from the sun.
Explanation:
extra fact, they are organelles.
Blood in the middle cerebral artery that has passed the posterior communicating artery can still flow to which region(s) of the cerebrum?
Answer: Where would the blood come from if there were a blockage just posterior to the middle cerebral artery on the left? If blood could not get to the middle cerebral artery through the posterior circulation, the blood would flow around the circle of Willis to reach that artery from an anterior vessel.
Explanation:
Why do different colors affect photosynthesis differently
Answer:
Plants do respond differently to different colors of light being shone on them, because chlorophyll reflects green light and absorbs blue and red (therefore, blue and red are useful for photosynthesis, but green isn't).
Explanation:
WILL MARK BRAINLIEST WORTH 20 POINTS
Which of the following limit cell size? Select all of the answers that apply.
A. ratio of surface area to volume
B. rate of moving materials across the cell's membrane
C. efficiency of using the information in a cell's DNA
D. efficiency of DNA replication and cell division
Answer:
Okrtyuiop[poiuytfdfghjkl;lkjhgfcvbnm,
Explanation:
What is a clue that the lac operon is on?
A.)Lactose is absent.
B.)The cell membrane changes.
C.)The repressor protein has fallen off the molecule.
D.)RNA polymerase is blocked by the repressor.
The correct answer is C.) The repressor protein has fallen off the molecule.
The lac operon is a regulatory system found in bacteria, which controls the expression of genes involved in lactose metabolism.
The lac operon consists of three main components: the structural genes (lacZ, lacY, and lacA), the promoter region, and the operator region. The regulation of the lac operon depends on the presence or absence of lactose and glucose.
In the absence of lactose, the lac repressor protein binds to the operator region of the operon, preventing the expression of the structural genes. This inhibits the production of enzymes involved in lactose metabolism.
However, when lactose is present in the environment, it acts as an inducer. Lactose is converted into allolactose, which binds to the repressor protein and causes it to undergo a conformational change. As a result, the repressor protein falls off the operator, allowing RNA polymerase to bind to the promoter region and transcribe the structural genes.
Therefore, the clue that the lac operon is on is the falling off of the repressor protein from the operator region, enabling gene expression and the production of enzymes required for lactose metabolism. Therefore, the correct answer is C.
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100 POINTS FOR WHOEVER ACTUALLY DOES IT. I'll post the points in a separate question to avoid cheating. I promise!
For this assignment, conduct some independent research on the raccoon and mountain gorilla. You may do your research online or from library books and magazines.
Part 1: Fill in the table below and then answer the questions.
Trait
How many offspring do they have in a year, usually? What do they eat?
Where are they found in the world?
How many are there in the world?
Are they hunted for meat, skin, fur, or other parts?
Part 2:
Which species is most vulnerable to extinction? Give at least three reasons why.
Which species would be most harmed by environmental change that wiped out one area of its habitat? Why?
Answer:
Raccoon:
1. Mother raccoons can have between two to five babies in a litter, and they will have just one litter per year.
2. Raccoons are omnivores, meaning they will eat both plants and other animals. This includes fruits, berries, nuts, fish, frogs, mussels, crayfish, insects, turtles, mice, rabbits, muskrats and bird eggs.
3. Raccoons can be found natively throughout most of the US and Canada, as well as in parts of Latin America, from Mexico extending down to the northernmost regions of South America.
4. There are only 323 to 955 left in the world.
5. They are hunted for their fur and skin.
Mountain Gorilla:
1. Once they have reached an age of approximately 10 years, female mountain gorillas give birth to one baby every 4 years.
2. They eat roots, shoots, fruit, wild celery, and tree bark and pulp.
3.Mountain gorillas are found in two separate locations: the Virunga range of extinct volcanic mountains on the borders of the Democratic Republic of Congo (DRC), Rwanda and Uganda, and in the Bwindi Impenetrable National Park in Uganda.
4. There are only about 1,000 mountain gorillas left.
5. Not only are they hunted for meat, mountain gorillas are also illegally hunted for trophies and live infants.
Part 2:
The mountain gorrila is most vulnerable to extinction. People hunt for mountain gorillas more than they hunt for raccoons. mountain gorillas are on the endangered list. Not only are the mountain gorillas hunted for their meat but they are killed as trophies. Raccoons are rarely out in the daytime making them harder to hunt.
The raccoons would be most harmed by environmental change. Raccoons live in trees and need places to hide in the day time. Gorillas would be able to adapt better considering they dont need to hide in the trees. Raccoons would then be out in the daytime making it easier for them to be caught.
which component of photosynthesis is a form of energy not matter?
A. water
b. carbon dioxide
c.sunlight
d.oxygen
Answer:
oxygen
Explanation:
Gross production is the amount of energy left after cellular respiration. Please select the best answer from the choices provided T or F
Answer:
FALSE
Explanation:
Gross production is the amount of energy left after cellular respiration that is false, as the gross production is the total production and the net production is the amount of energy left after cellular respiration.
What is the significance of the gross production?Gross production is the total amount of energy produced by an organism through different processes, such as photosynthesis, ingestion, and digestion of food, while after energy is used by the organism for cellular respiration, what is left is called the "net production." Although the gross energy is not released, the net energy is.
Hence, gross production is the amount of energy left after cellular respiration that is false, as the gross production is the total production and the net production is the amount of energy left after cellular respiration.
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which portion of photosynthesis produces 02?
Explanation:
Answer is chloroplast
What is the main reason why the climate is changing?
(I NEED THIS ASAP)
Answer:
green house gasses
Explanation:
the increase of gasses in the atmosphere has caused the temp. to rise
Answer:
Explanation:
The main reason why the climate is changing because we use a lot of fossil fuel and pollution and cutting down trees and rainforests. Also, this adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere, increasing the greenhouse effect and global warming.
Natural selection disrupts the _______ because one allele of a gene is preferred over another, changing the allele frequencies over time.
genetic drift
Explanation:
Genetic drift is changes in allele frequencies of a gene pool due to chance or random events. This can occur in large or small populations. Genetic drift causes gene pools of two isolated populations to become dissimilar as some alleles are lost and other are fixed.
Is water and its properties important in homeostasis for humans ? explain.
Answer:
yes its important because...
Explanation:
Water is an essential feature of homeostasis in an organism. Water increases the volume of blood, which affects blood pressure and heart rate. Water dissolves gases and allow for efficient exchange and transport of oxygen and carbon dioxide. Water can be excreted, so it carries toxins that have been made water-soluble out of the body.
If you see a lamp that doesn’t look like a lamp to you, but it expands your idea of what a lamp is, you are experiencing:
A) image formation
B) mental concepts
C) concept expansion
D) concept formation
If you see a lamp that doesn’t look like a lamp to you, but it expands your idea of what a lamp is, then you are experiencing the idea of concept formation (Option D).
What is the concept formation?The concept formation is a cognitive process in which the info is perceived by the senses and then this data is held in the memory.
In conclusion, if you see a lamp that doesn’t look like a lamp to you, but it expands your idea of what a lamp is, then you are experiencing concept formation (Option D).
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what are the two product of the krebs cycle
Weathering is _______.
a.
caused by the movement of materials over rocks
b.
not a natural process
c.
a process whereby rocks are broken down by direct contact with the atmosphere
d.
all of the above
Answer:
C. a process whereby rocks are broken down by direct contact with the atmosphere
Explanation:
EDGE2021
At which ocean-floor feature do plates move together?
Answer:
divergent plate boundaries
Explanation:
Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle's convection currents makes the crust more plastic and less dense.
There are two types of cell reproduction
Answer:
the two types of cell reproduction are: Mitosis and Meiosis
Explanation:
Hope that helps!
What are two activities that might increase your rate of respiration?
Explanation:
walking
running. As your body is in motion, your oxygen needs are greater. The faster the heartbeat, the more O2 is needed for muscle movement.
That is if your speaking of activity and not cellular respiration...???