Answer: thymine (T) Cyostine (C) guanine (G) adenine (A)
Explanation:
Guanine (G) is complementary to cytosine (C), and adenine (A) is complementary to thymine (T). Hence, the nitrogenous bases that would form for the DNA bases TCGACA are AGCTGT.
How does base pairing take place in DNA?
A DNA double helix is joined together by the hydrogen bonds that are formed between the nitrogenous bases in the opposite strands. Adenine (A), Guanine (G), Cytosine (C), and Thymine (T) are the nitrogenous bases present in the DNA. Both adenine and guanine are purines. They make bonds with pyrimidine.
Adenine (A) of one DNA strand makes a double bond with Thymine (T) of the opposite DNA strand. The guanine (G) of one DNA strand makes three hydrogen bonds with the cytosine (C ) of the opposite DNA strand. As there are three hydrogen bonds present in guanine and cytosine (GC), they require more energy to break the bond. Adenine and thymine (AT) have two hydrogen bonds, hence they require less energy than GC bonds.
Hence, in a DNA strand, the complementary strand of TCGACA is AGCTGT.
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which of the following would be a quantitative observation
a. the attractiveness of the tail feathers of a male peacock is compared
b. butterfly wings are assessed to see which is the most orange in appearance
c. the height of radish seedlings is measured
d. the odor of different plants is compared to see which smells the worst
Answer:
c. the height of radish seedlings is measured
Explanation:
Quantitative measurements revolve around the quantity of things and exact measurements. The measured height of a radish seedling is the perfect example of that.
Memory technique:
Quantitative observations involve quantity (numbers).Qualitative observations involve quality (descriptions, features, i.e. color, smell, shape)6
An antibiotic label says to take it for fourteen days. If we stop taking the medication after ten days, what would most likely
happen to the bacteria in our body?
A The bacteria causes the human immune system to stop producing antibodies to fight disease.
B A population of bacteria resistant to the antibiotic appears.
The strain of bacteria allows the human immune system to build up resistance.
The bacteria builds up a resistance to all types of antibiotics, turning into a "superbug".
Answer:
B
Explanation:
This actually happened to me! Since you don't fully kill off all the bacteria, they will mutate and become resistant to the medication. The 14 days ensures that the bacteria will all be killed whereas 10 days allows the stronger organisms to grow and reproduce(where they typically are immune/build an immunity)
what are the main pros of cloning
Answer:
Pros of Cloning
1. Help to Eliminate Defective/Weak Genes.
2. It is a Logical Step in Reproductive Technology.
3. It’s an Invention that can Change the Globe in a Positive Way.
4. Improve Recovery in Traumatic Injuries.
5. Bring out a New and Genetically modified Genes.
6. Eliminate Infertility.
7. Cures Disorders.
Explanation:
Albison Energy
Sources:
Blackall LL, Burrell PC, Gwilliam H, Bradford D, Bond PL, Hugenholtz P. The use of 16S rDNA clone libraries to describe the microbial diversity of activated sludge communities. Water Science and Technology. 1998 Jan 1;37(4-5):451-4.
LaBar M. The pros and cons of human cloning. Thought: Fordham University Quarterly. 1984 Aug 1;59(3):319-33.
Cerf NJ, Grangier P. From quantum cloning to quantum key distribution with continuous variables: a review. JOSA B. 2007 Feb 1;24(2):324-34.
how can vaccinating individual people will help protect a whole population from malaria
Answer:
This is where Herd Immunity comes into play. Herd Immunity occurs when enough people become immune to a disease that it is unlikely to spread, even to those not vaccinated. Though you should get vaccinated if you can just to be safe.
Explanation:
Which shows that the results of an experiment are reliable?
A. The experiment creates ideas for new experiments.
B. The experiment can be repeated with the same results.
C. The experiment uses a very simple procedure.
D. The experiment supports the hypothesis.
Please answer quickly!!!!!
Which property of argon makes it useful for potassium-argon dating?
It decays into potassium.
It is an unstable element.
It remains trapped in rock.
It is useful only for dating newer rock.
Answer:
The correct answer is c, plz give me brainlest
Explanation:
got 100 percent on the quiz
A property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.
What is Radioactive dating?Radioactive dating may be defined as a type of methodology for dating rocks and minerals with the help of radioactive isotopes. This method is useful for igneous and metamorphic rocks, which cannot be dated by the stratigraphic correlation method used for sedimentary rocks.
Potassium-argon dating is a method of determining the time of origin of rocks by estimating the ratio of radioactive argon in order to radioactive potassium in the rock. This dating method is typically based on the decay of radioactive potassium-40 to radioactive argon-40 in minerals and rocks.
Therefore, a property of argon that makes it useful for potassium-argon dating is that it decays into potassium. Thus, the correct option for this question is A.
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In the early 1900s Germany geologist alfred wegener began to question how the structure of Earth formed over time he proposed the theory of continental drift to suggest that all continents were once connected and have drifted to their current location over time. What was the main reason that wegener theory received a lot of radical from the scientific community
Answer:
He did not give a method on how the continents moved
Explanation:
In 1912, Alfred Wegener proposed the idea that the continents are slowly drifting around the Earth. This hypothesis was known as the continental drift. Wegener proposed that the Earth rotation might have been the cause for which the continents move to separate from each other. However, nowadays it is well-known that continents are landmasses localized on tectonic plates that move and interact with each other (and it is referred to as plate tectonics).
You never have to worry about wastewater becoming contaminated because it can run through local treatment plants, true or false?
A person still have to be worried about wastewater becoming contaminated even though it passes through local treatment plants.
Wastewater refers to the water they has been used. It consists of the substances like human waste, oils, chemicals , food scraps etc.
Even though used water runs through local treatment plants, it should be noted that not all the solid waste are removed as some of the waste will still end up getting into nearby rivers or streams and this can result in contamination when one eventually uses such water.
In conclusion, one still has to be worried even though the wastewater runs through local treatment plants. Therefore, the correct option is False.
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Answer:
False
Explanation:
Which text would MOST likely require the strongest reading skills?
A: a list of library books
B: a newspaper article
C: rules for a gym membership
D: a restaurant menu
Answer:
C
Explanation:
The terms and conditions of contracts are very complex and hard to understand.
Compared to the Sun, the star Betelgeuse is
A. Less luminous and warmer
B. Less luminous and cooler
C. More luminous and warmer
D. More luminous and cooler
Red supergiant star Betelgeuse is around 764 times as massive as the Sun. To put that into perspective, the diameter of Mars' orbit around the Sun is 328 times that of the Sun. Thus, option A is correct.
What is the comparison of Sun and star Betelgeuse?Betelgeuse is 640 light years away from the sun. Given that the star is only 10 million years old, it will die young like earlier supergiants.
The sun, in contrast, is only approximately halfway through its life and is nearly 4.6 billion years old.
Betelgeuse is one of the gleaming stars in the night sky and can be seen clearly on the right shoulder of the constellation Orion.
Betelgeuse is a red supergiant that is 1,400 times bigger than our Sun and thousands of times brighter.
Therefore, Compared to the Sun, the star Betelgeuse is Less luminous and warmer.
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2. Which of the following statements is true of tertiary
consumers in an ecosystem?
A) There are more secondary consumers than
tertiary consumers.
B) They are caten by secondary consumers.
C) They contain the most biomass out of all of the
trophievels.
D) They are the largest trophic level.
E) This level of the food chain has the highest
amount of diversity.
They attract secondary consumers, this applies to the tertiary consumers of the ecosystem.
What do you mean by ecosystem?An ecosystem consists of all the organisms and the physical environment with which they interact. These biotic and abiotic components are interconnected through nutrient cycles and energy flows. Energy enters the system through photosynthesis and is incorporated into the plant tissue.
The term "ecosystem" was first used in 1935 in a publication by British environmentalist Arthur Tansley. The term was coined by Arthur Roy Clapham, who coined the word at Tansley's request.
The main ecosystem types are forest, desert, rainforest, grassland, tundra, savanna, and mountain ecosystems.
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G1 – growth phase: Makes organelles and proteins needed for replication of DNA. Also contains a G1 checkpoint. If everything is correct, cell will proceed to S phase.
Answer:
correct.
Explanation:
cell will proceed to S phase for the duplication of chromosomes.
Which best describes the permeability of a membrane?
O A. The total thickness of the membrane
B. The flexibility of the membrane
C. The number of molecules in the membrane
D. The ability to allow materials to cross a membrane
Answer:
D
Explanation:
D. is correct because the membrane works like a security guard and only allows certain materails to cross the membrane. The definition of permeability is the state or quality that allows something to pass through.
Permeability is a standard of easy motion of liquid and gases through a membrane or material. They allow the transportation and exchange of gases in a cell.
The statement that best describes the permeability of a membrane is:
Option D. The ability to allow materials to cross a membrane.
This can be explained as:
Permeability is a physical property of membranes and substances that allows the other molecules to move through them.It acts as a barrier from substances entering and exiting the cell or membrane and maintains the balance in a system.Therefore, permeability is the allowance of materials across the membrane.
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Paleomagnetism is the study of
Answer:
B
Explanation:
ancient study of both rocks and earth as a whole
PLSSSS HELPP IT IS DUE IN 10 MINS!! I WILL GIVE BRAINLIEST!
If Cytosine makes up 33% of a DNA sample, what percentage of the DNA is made up of thymine containing nucleotides?
Answer:
Since cytosine and guanine are present in equal amounts, we can simply divide their sum by 2. The final composition is 22% adenine, 22% thymine, 28% cytosine, and 28% guanine.
Explanation:
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Which sentence correctly explains the process and conditions needed for sleet to form? (15 pointsss :)
Group of answer choices:
A. During thunderstorms and extremely cold temperatures, water droplets freeze in layers and form balls or chunks of ice.
B. Both the temperature of the cloud and the temperature of the air must be below freezing in order for the flakes to fall from the sky.
C. A liquid form of precipitation that is formed in above freezing temperatures becomes heavier as it falls the ground in the form of raindrops.
D. Ice crystals melt as they fall through a warm layer of air and then refreeze into small ice pellets as they pass through a colder layer of air.
green was not the impostor
Explanation:
u are all idiots
Answer:
gerijddhbdykbzdkvci
Buffers are substances that help resist shifts in pH by (From the close reading exercises)
A. releasing H+ to a solution when acids are added.
B. donating H+ to a solution when bases are added.
C. accepting H+ from a solution when acids are added.
D. both donating H+ and accepting H+.
Answer:
Buffers are substances that help resist shifts in pH by both donating H⁺ and accepting H⁺ (option D).
Explanation:
A buffer is a chemical substance capable of balancing the pH of a solution, when the balance is altered by the addition of an acid or a base. They are also called cushioning solution, and can be formed by an acid and its base conjugated, with a specific range of action.
The presence of a buffer in a solution has the ability to release hydrogen ions (H⁺) or accept them, helping to balance the pH, in the presence of a base or an acid, respectively. That is, a buffer can yield H⁺ to a solution when there are few or accept H⁺ when its content is high.
The other options are not correct because:
A. Buffers do not release H+ into a solution when acids are added, but accept them.
B and C. Giving up H+ to a solution when bases are added or accepting H+ from a solution when acids are added are effects that buffers can potentially do, which is described in the text above.
explain how animal cells differ from plant cells with respect to the effects of net water movements
Answer:
Terms in this set (4) Animal cells do not have a cell wall, meanwhile plant cells do have a cell wall. As a result, water passes freely in an animal cell due to osmosis. In a hypotonic solution, there is more free water outside the cell than inside the cell.
Scientists core a Redwood tree in the California Redwood forest. The core of this particular tree has 1115 rings. How old is the tree in years?
Answer:
1115 years.
Explanation:
One ring equak one cycle year.
What factors affect gravitational force?
Answer:
[tex]mass \\ weight \\ presence \: of \: other \: field \: forces[/tex]
What are some of the major forces that influence the movements of the oceans?
Which types of rocks can become metamorphic rock?
both igneous and metamorphic rock
both igneous and sedimentary rock
clastic sedimentary rock
clastic or chemical sedimentary rock
Answer: Your answer is ''Both igneous and sedimentary rock.''
Explanation: They both can form underground and at the surface.
Answer:
B
Explanation:
when we observe an organism or environment what are we observing A. changes B. similarities C. colors
Answer:
II really have no idea but it might be A?
Explanation:
If I'm wrong I'm so sry T-T
Answer:
A. changes
Explanation:
i took the test and i got it correct trust me
Define the term hominin.
Answer:
a primate of a taxonomic tribe ( Hominini ), which comprises those species regarded as human, directly ancestral to humans, or very closely related to humans.
I hope it helps
Thank U
[tex]\red{Answer:-}[/tex]
✭The Hominini, or hominins, form a taxonomic tribe of the subfamily Homininae ("hominines"). Hominini includes the extant genera Homo (humans) and Pan (Chimpanzees and Bonobos), but excludes the genus Gorilla (gorillas).
✭The term was originally introduced by John Edward Gray (1824), long before any details on the speciation of Pan and Homo were known. Gray's tribe Hominini by definition includes both Pan and Homo. This definition is still adhered to in the proposal by Mann and Weiss (1996), which divides Hominini into three subtribes, Panina (containing Pan), Hominina ("homininans", containing Homo "humans"), and Australopithecina (containing several extinct "australopithecine" genera).
FOLLOW ME ♥️the larvae of honey bee are voracious feeder why
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10 points
Answer:
a
I THINK SORRY IF WRONG NOT 100% SURE
Explanation:
it is a because the other guy said so
The name of the process that takes place when sugars are broken down in the absence
of oxygen is
Answer: fermentation
Explanation:
If oxygen is absent during the second stage of cellular respiration, fermentation will occur
hope this helps :)
According to the Cell Theory, what is NOT one of the three main tenants?
1. viruses - which are not alive - not made of cells
2. The cell is the smallest living unit in all organisms
3. All living things are made of cells
4. All cells come from other pre-existing cells
In the United States, alcoholic beverages that are sold in stores display a government warning stating that pregnant women should not drink alcoholic beverages. This is because
it prevents cleavage division from occurring, so a zygote cannot become a blastocyst.
if a woman drinks alcohol while she is pregnant, she may not be able to ovulate again after childbirth.
studies have proven that alcohol consumption causes long-lasting disorders in the fetus.
the science of chemistry has shown that alcohol is a reactive substance that may interfere with the mother’s food digestion.
Answer:
It should be "studies have proven that alcohol consumption causes long-lasting disorders in the fetus."
Explanation:
because everything the mother eats enters the child's body alchoholcan cause problems as if th e child were aready born and drinking.
Answer:
c
Explanation:
Which organelle should be listed under both in the diagram?
Answer:
animal and plant cells