The pairing of complementary strands of DNA due to hydrogen bonding is called semi-conservative replication.
DNA replicationThe biological process of creating two identical copies of DNA from a single original DNA molecule is known as DNA replication. All living things replicate their DNA, which is the primary mechanism for biological inheritance. This is necessary for:
cell division during tissue development and repair, and it also guarantees that each new cell gets a copy of the DNA.A double helix (two linear strands that run counterclockwise and twist together) of two complementary strands makes up DNA.
These strands are split apart in the replication process. The mechanism of semiconservative replication uses each strand of the original DNA molecule as a template to create its counterpart. The new helix will be made up of an original DNA strand as well as a freshly synthesized strand as a result of semi-conservative replication.
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What may occur when convergent boundaries interact?
O formation of island chains
O creation of mid-ocean ridges
O creation of convection currents
O formation of rift valleys
Formation of island chains occurs when convergent boundaries interact and is denoted as option A.
What is Convergent boundary?This refers to an area where two or more lithospheric plates collide in the earth.
When the y interact, island chains are formed which consists of sea with sparse islands around the area.
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Answer: A
Explanation: E2022
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Which of the following describes a way to reuse items instead of throwing them away?
Use up a product completely.
Donate old clothes and items.
Buy items that won't break easily.
Compost food instead of throwing it away.
Greenhouse gases
a) keep earth cool
B)absorb heat From the sun
C) Are only produced naturally
d) Trap Ozone At earths surface
Answer:
greenhouse gases produce or a heat from the sun bringing about global warming
explain in steps how a tree trunk gets wider
Answer:
The first thing that determines the thickness of a tree trunk is the species. Some kinds of trees just naturally have a different trunk thickness than others.
The second thing might be the environment. A tree that is experiencing all factors - sun, water, soil, minerals - at an optimum level is going to grow faster, taller, stronger, and thicker than the same species in a less-optimum environment.
A third factor is time. As time passes, the tree trunk increases in diameter - thus a tree that is 50 years old will have a much thicker trunk than one that is 5 year old.
And, in case you’re wondering why or how tree trunks increase in thickness at all, there is a thin layer of cells all around the trunk of a tree, like a sheet that lives under the bark. This layer is called the cambium layer which makes new living tissue for the tree (called phloem and xylem) every year. As the year’s growth comes to an end, the living tissue dies and is pushed outward to appear as bark by the new year’s sheet of cambium cells, which is bigger than the previous year’s - hence, the increase in diameter of the tree every year.
Show the cross between a heterozygous plant and a homozygous recessive plants
Answer:
Okay so firstly you'll have to make the Punette square for this.
so if you make a cross you'll get 50 percent heterozygous traits and 50 percent recessive traits
Using the strand mRNA below along with either of the codon charts, place the amino acids in the correct order.
Strand mRNA & codón chart: photo 2&3
1?
2?
3?
4?
5?
6?
7?
8?
9?
10?
Codons are triplets of nucleotides found on mRNA which code for particular amino acids .
What are codons?Codons are triplets of nucleotides found on mRNA which code for particular amino acids.
In an mRNA, strands, the first three codons, AUG code for the amino acid methionine.
Similarly, the codons GCA codes for alanine, CCA codes for proline.
In conclusion, given an mRNA strand, the amino acids coded by the codons can be deduced.
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"How does shade affect plant growth?"
It will affect the plant growth entirely. If it is a plant that needs sunlight to grow it will not grow but if it is a plant that needs shade it will depend on the hade to grow
Explanation:
Which of the following is true about the Chromatids?
(a) It is a haploid chromosome
(b) It is a complete chromosome
(c) It is a duplicate chromosome
(d) It is one-half of the replicated chromosome
Answer:
(b) It is a complete chromosome
A water-soluble hormone approaches its target cell. What can we conclude about this hormone?
The hormone originated in the ovaries or testes
The hormone will be a non-steroid
The hormone is hydrophobic and will need to combine with protein molecules to enter the cell
The hormone released will signal the beginning of puberty
If a water-soluble hormone approaches its target cell, it can be concluded that the hormone will be a non-steroid (option B).
What is an hormone?An hormone is any substance produced by one tissue and conveyed by the bloodstream to another to effect physiological activity.
Hormones are usually proteinous in nature and can either be water-soluble or fat-soluble depending on whether it can dissolve in water or fat respectively.
According to this question, a water-soluble hormone approaches its target cell. This suggests that that hormone must be a non-steroid i.e. does not contain fat.
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During and after photosynthesis, energy changes from one form to another in a series of steps. Which step related to this energy transformation occurs second?
The step that relates to the energy transformation in photosynthesis is respiration.
What is respiration?Respiration is the process whereby the chemical energy locked up in carbohydrates is unlocked into another energy form that is usable to living organisms.
In other words, chemical energy in carbohydrates is converted to ATP. This process can take place with (aerobic respiration) or without (anaerobic respiration) oxygen.
Carbohydrates are primarily generated from photosynthesis by green plants.
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What do you understand by the term cell diversity
Answer:
cell type diversity refers to range of different cells types that comprise a tissue organisms cell type diversity during the diploma of the nervous system as a result of act of the cell instructing and extractic factors controlling sulphate determination hope the answer will be helpful for
What is the role of the EPA in water purification?
It provides guidelines to implement cleaning projects.
It forms laws and rules.
It deploys personnel for water purification.
It finds sources of freshwater.
If a sperm cell contains 6 chromosomesit must have come from an original parent cell that contained chromosom
Answer:12
Explanation:
in my investigation, i saw that it can cause the growth of algal blooms which can be toxic to wild life and humans. this could also mess with marine life habitats such as coral reefs and more
Answer:
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If all of the large, dead trees
were removed from the
ecosystem, what would
happen to the barred owl
population in that ecosystem?
A. The barred owl population in that ecosystem would stay the same size.
B. The size of the barred owl population in that ecosystem would decrease.
C. There would be no change in the barred
owl population.
D. The amount of barred owls the ecosystem can support would increase.
The size of the barred owl population in that ecosystem would decrease.
Reduced biodiversity, or the variety and richness of various kinds of animals and plants in a given setting, is the main consequence of habitat degradation. An animal's population rapidly declines as it draws closer to extinction when it loses the habitat or natural home that it requires to survive.A proportional drop in the number of animals inhabiting a given landscape is predicted to result from habitat destruction. One might anticipate a drop in animal abundance of 50%, for instance, if 50% of a forest environment that supports a big population of an animal is destroyed.similarly, If all of the large, dead trees were removed from the ecosystem, The size of the barred owl population in that ecosystem would decrease.learn more about ecosystem here:
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what are the disadvantages of union in data structures
Answer:
there is,always union in every structure
how are bacteria classified on the basis of flagella??
Answer:
Explanation:
Based on their arrangement, bacteria are classified into four groups: monotrichous (having one flagellum), amphitrichous (single flagellum at both ends), lophotrichous (numerous flagella as a tuft), and peritrichous (flagella distributed all over the cell except at the poles).
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which of these should be reportable reasons to protect public health?
a) Skin cancer
b) Heart disease
c) HIV
d) Diabetes
Among the following HIV should be reportable reasons to protect public health.
HIV impairs the body's defenses against infections and leads to AIDS. Contact with contaminated blood, or fluids might result in the virus being spread. Flu-like symptoms including fever, sore throat, and exhaustion might appear a few weeks after HIV infection. Until AIDS develops, the illness is typically asymptomatic. Fatigue, fever, night sweats, and weight loss are a few of the signs and symptoms of AIDS. Despite the fact that there is no known treatment for AIDS, diligent adherence to anti-retroviral therapy (ART) can significantly decrease the disease's progression, avoid complications and secondary infections, and lengthen life. One of the primary tactics used in the prevention and control of HIV/AIDS around the world is the dissemination of information and awareness about HIV.
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The 1918 influenza pandemic was one of the most severe pandemics in history. Although there is not universal consensus regarding where the virus originated (the current theory is a bird species), it spread worldwide during 1918-1919. Which modern strategy could have assisted with the treatment of this communicable disease?
Quarantine is the modern strategy which could have assisted with the treatment of this communicable disease.
What is Quarantine?This refers to the process in which animals, people etc are restricted from movement to other areas.
This strategy helps to tackle the spread of diseases to other parts of the world. This strategy wasn't employed which was why millions of birds were affected worldwide.
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DNA and RNA are structurally similar but also have some notable differences. RNA has uracil in place of thymine as one of its bases, uses ribose in place of deoxyribose, and
Question 4 options:
A)
can't form base pairs.
B)
has a different phosphate group in its backbone.
C)
is a polymer of nucleotides and amines.
D)
often exists as a single-stranded molecul
Answer:
D.) often exists as a single-stranded molecule
Explanation:
One notable difference between DNA and RNA is that DNA consists of 2 nucleotide strands and RNA consists of 1.
3. What does the name protozoa mean?
first organism
first animal
first cell
first microbe
______ are short segments of DNA that carry the instructions to build a specific protein.
a. DNA
b.Ribosome
c. RNA
d. Genes
An angle measures 176 more than the measure of its of its supplementary angle.what is the measure of each
angle
Based on the definition of supplementary angles, the angles are: 2° and 178°.
What are Supplementary Angles?Angles that are supplementary have a sum that equals 180 degrees.
Let the measure of the supplement be x.
The other angle would be: (x + 176)
Therefore, we would have:
x + (x + 176) = 180
2x + 176 = 180
2x = 180 - 176
2x = 4
x = 2
One of the angles is, 2°
Second angle = x + 176 = 2 + 176 = 178°
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A farmer stopped maintaining a field that was once used to grow crops. Over time, the fi eld eventually became a forest. These changes best illustrate the process of
Answer:
plants
Explanation:
because plants grow over the period of time the farmer stopped maintaining the field
A sample of the element boron will have some atoms with six neutrons and some atoms with five neutrons; collectively, these atoms are called
OA. cations.
OB. anions.
OC. isotopes
OD. ions
Answer: OC. Isotopes
Explanation: Isotopes of element are those who have same numbr of protons but different number of neutrons. Here number of neutrons are different so these atoms are isotopes.
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Answer:
cervix
Explanation:
Based on the Punnett square above, what is the probability that an offspring from this cross will have a completely heterozygous genotype for both traits ?
A. 50%
B. 25%
C. 12.5%
D. 6.25%
Answer:
A) 50%
Explanation:
Boxes 2 and 3 are heterozygous because solving the punnet square results in those boxes being Tt
In horses, gray horses (GG) are codominant to white
horses (WW). The heterozygous horses (GW) is an
Appaloosa horse (a white horse with gray spots on
the rump and loins). Cross a white horse with an
appaloosa horse. For the following, construct a
Punnett square and give the genotypic and
phenotypic ratios of the offspring. {Hint: The first
parent genotype needs to go down the left side of
the Punnet square, and the second parent
genotype needs to go across the top of the Punnett
square.
Genotypic ratio = 50% WW, 50% GW
Phenotypic ratios = 50% white, 50% appaloosa
Monohybrid crossWhite horse genotype = WW
Appaloosa genotype = GW
WW x GW
GW WW GW WW
Genotype ratio = 50% WW, 50% GW
Phenotype ratio = 50% white, 50% appaloosa
See the attached image for the Punnet's square.
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Other things being equal, what is a potential disadvantage of an enzyme having a very high affinity for its substrate?.
Since the ES complex would be in a "energy trough," the activation energy for the transition state would be quite high.
What is enzyme?Tight enzyme substrate binding will lower the reaction's forward rate constant.A forward reaction's activation energy will increase when an enzyme's affinity for its substrate is high.Because the enzyme-substrate complex will be located in a deep energy well, it will be more stable.In contrast to the situation where the substrate-enzyme binding is weaker, a tight binding of the substrate to the enzyme will alter the amounts of free substrate and free enzyme. This little modification won't have much of an impact on the reaction kinetics because the substrate concentration is often higher than the enzyme concentration.It is unlikely that tight binding would result in the active site being altered. Since the enzyme is significantly bigger than the substrate, it is unlikely that it will change shape.Learn more about enzyme here:
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mike is studying the phylogenetic tree for big cats. He made several statements about the tree. which statement is not true
Answer:
D. The leopard is more closely related to the tiger than to the snow leopard.
Explanation:
Leopards are more related to snow leopards than tigers.
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