A law foretells what occurs whereas a theory proposes why. A theory may never turn into a law; however, the advancement of one regularly triggers advancements on the other.
A decent scientific law is a finely-tuned machine, achieving its assignment splendidly however ignorant of why it fills in just as it does. A decent scientific theory is a wounded, however unbowed, contender who fears defeat if unfit to adapt or over power to the next competitor.
Although unique, science needs both theories and laws to comprehend the entire picture. So, whenever somebody remarks that it's only a theory, challenge them to go nine rounds with the champ and check whether they can do any better.
UUU Phelncc
UCUY
UUA Leu
CAU His
A strand of mRNA has the bases adenine-cytosine-uracil. Which amino acid
corresponds to these bases?
Messenger
Second base in codon
RNA Codons U IcA
UAU
LUGU
UUC)
UAC) TYT JUGC Cys
UCA
UAA Stop
UUG UCG UAG Stop UGG Trp
CUU CCU
CGU
CUC CCC
CAC)
ICGC
Pro
CUA CCA
CGA
CUG) CCG) CAG) CGG
AUU
ACU 1
AUC lle
ACC
ААС, AGC)
Thr
AUA
ACA
AAA
AGA 1
AUGStart Me ACG
AAG
AGGS
GUU
GCU
GAU GGU
GUC
GCC
GAC) GGC
) Val
GUA GCA GAA GGA
GUGI GCG GAGS GGG
0
Let
CAA
First base in codon
Gold
Third base in codon
AAU Asn
F
Ala
GIU
GCAL
O A. Lys
O B. Ser
OC. Asn
O D. Thr
Answer: D. Thr
Explanation: The bases Adenine- Cytosine-Uracil present in the mRNA strand can be written as ACU. From the above diagram, there are four codons that codes for threonine and they are ACU, ACC, ACA and ACG. Thr is the abbreviation for the amino acid Threonine.
If a plant cell completes the cell cycle in 24 hour, how many cells will be produced in a week?
Final answer:
The number of cells produced in a week can be calculated using the formula 2^n, where n is the number of generations. Since a plant cell completes the cell cycle in 24 hours, the number of cells produced in a week would be 128 cells.
Explanation:
The number of cells produced in a week can be calculated using the formula 2^n, where n is the number of generations, and each generation represents a 24-hour cell cycle. Since a plant cell completes the cell cycle in 24 hours, we can assume that each day is equivalent to one generation. Therefore, the number of cells produced in a week would be 2^7, which equals 128 cells.
1. What is the Small structure in a cell that performs a specific function
Transcribe the mRNA sequence (A T G C G C A T T A G T G C A G G A C A G T A G) into a protein using the codon chat below. Write your answer in the following format: _____ - _____ - _____
Answer:
DNA ATG CGC ATT AGT GCA GGA CAG TAG
mRNA UAC GCG UAA UCA CGU CCU GUC AUC
tRNA AUG CGC AUU AGU GCA GGA CAG UAG
Protein Met Arg Ile Ser Ala Gly Gin Stop
Explanation:
The given is a DNA sequence. The next step to this one is transcribing it into a mRNA sequence. When you transcribe DNA to RNA, the main difference between RNA and DNA is that RNA does not have a THYMINE (T) base. So what do we do?
The base pairs would be:
G - C T - A
C -G A - U
U - A
So keep this in mind. Let's take the first one codon (codon is a group of 3 bases):
A T G
U A C
A transcribes to U
T transcribes to A
G transcibes to C
So that would be your first codon.
The next part wi=ould be translation. Now in translation, a specific amino acid codes for a specific codon. They are brought by tRNA, which has a anti-codon that codes for the amino acid it carries.
Let's take that same codon we transcribed earlier:
ATG
UAC
AUG
Looking at the chart, first look at the first letter, then match it up with the row it corresponds to.
So it falls under A, so look at the row of A.
The next step is to look at the column the second letter corresponds to, following the same row you started in.
Last would be the row within the column you identified that corresponds to the third letter of the codon.
As you can see you wil end up in the box:
AUU
AUC
AUA
AUG
The higlighted sequence is the codon we are examining and based on the box, you can see that it is the Met. So this would be your first amino acid, and this is also known as the start codon by the way.
which of the following is indicated by the arrow in the image
Which of the four levels of protein structure is maintained after denaturing? Explain your answer.
Answer:
Primary structure and quaternary structure because the heat energy will disrupt only the weaker interactions which causes the secondary and tertiary structure to break down.
Explanation: sorry no explanation :(
Among the four levels of protein structure, only the primary structure remains after denaturing.
The primary structure, which is the sequence of amino acids in the protein, survives because it's held together by sturdy covalent bonds.
Proteins have four hierarchical levels of structure: Primary, Secondary, Tertiary, and Quaternary.
However, only the primary structure of a protein can be maintained after a denaturing process.
Denaturing events, such as changes in temperature or pH, disrupt the interactions that hold the secondary, tertiary, and quaternary structures together.
Conversely, the primary structure, which refers to the sequence of amino acids in a protein, is held together by covalent bonds that remain intact during denaturation.
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The Kennedy Space Center was opened in Florida in 1962. Which of these is the most likely impact of the space center on Florida?
science is used only for entertainment
space technology is used in every home
more people become astronauts and space scientists
more profit is made by local business and restaurants
Answer:
B. Space technology is used in every home.
Explanation:
The investigation of space has taken thoughts that started outside our side of the universe and adjusted them to profit our own planet Earth in astounding ways.
For example - cell phone cameras, wireless headphones, infrared ear thermometers, water purification system, solar energy, memory foam, fitness heart rate monitoring device, lenses resistant to scratches, LED medical technology, laptop, arteriovision, dustbuster vacuum etc.
Thus studying on space technology is helpful in many ways.
Answer:
more profit is made by local business and restaurants
Explanation:
This is the only answer it can be because many people want to visit nasa so therefore business will make more profit. People are gonna want to eat and stay for a day or more from across the world.
Which process is part of the carbon cycle?
A. Ammonification
B. Transpiration
C. Photosynthesis
D. Evaporation
Answer:
C. Photosynthesis
Explanation:
Which equation describes what happens in photosynthesis?
6CO2 + 6H2O + energy → C6H12O6 + 6O2
C6H12O6 + H20 → CO2 + energy
C6H12O6 + 6O2 → 6CO2 + 6H2O + energy
CO2 + O2 + H20 + energy → CH2O5
Answer:
6CO2 + 6H2O + energy → C6H12O6 + 6O2
6carbon dioxide molecules + 6 water molecules + sunlight (generally) = glucose + 6 oxygen molecules .
Answer: 6CO2 + 6H2O + energy → C6H12O6 + 6O2
Explanation: Carbondioxide + water + Light = Glucose + oxygen
What do we need nitrogen and phosphorus for
Answer:
We need nitrogen and phosphorus for the growing of algae and aquatic plants that help give food and a place for fish and other smaller organisms under water. It helps make an DNA cell membrane, and also helps bone and teeth formation in humans. It also helps the food production this is because it is part of nitrogen potassium and phosphorus. There are used in fertilizer.
Explanation:
Nitrogen and phosphorus are essential for life. Nitrogen is critical for protein synthesis and the construction of nucleic acids, while phosphorus is crucial for the formation of bones, teeth, DNA, RNA, and ATP.
Explanation:Nitrogen and phosphorus are essential elements needed for life. Nitrogen is a key component of amino acids, the building blocks of proteins, as well as nucleic acids like DNA and RNA. Therefore, it is necessary for the growth and repair of all living cells. Phosphorus, on the other hand, is primarily used in the body to form bones and teeth. It is also essential in the synthesis of DNA and RNA and the production of ATP, a molecule that serves as the main energy currency of the cell.
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Analyze the diagram below. Which of the following is true about the sodium (Na) atom after the electron moves to chlorine?
A It has a negative charge.
B It becomes a positive ion.
C It becomes an isotope.
D It forms a covalent bond.
Answer:
B. It becomes a positive ion.
Explanation:
The number of electrons and protons is eleven in sodium. After sodium (Na) has transferred its electron to the chlorine atom (Cl) it becomes a positively charged ion. This is because as electrons are negatively charged, losing of an electron will increase the number of protons (i.e 11) as compared to the number of electrons (i.e 10) in sodium (Na) atom. Hence, a positive charge will be acquired by the sodium (Na) ions.
Answer:b
Explanation:It becomes a positive ion.
I answered this question and this is what I got.
If a bicyclist travels 30 kilometers in two hours, her average speed is a 15 km/h. b 2 km/h. c 30 km/h. d 60 km/h.
Answer:
15 km/h
Explanation:
The average speed of the bicyclist is calculated by dividing the total distance (30 kilometers) by the time taken (2 hours) which equates to 15 kilometers per hour. Therefore, the correct answer is (a) 15 km/h.
Explanation:The subject of this question is Mathematics. Specifically, it's about speed calculation which is often seen in middle school math and physics curricula. The question is asking for the average speed of a bicyclist who travels 30 kilometers in two hours.
Average speed is calculated by dividing the total distance traveled by the total time it takes. In this case, the total distance is 30 kilometers and the time is 2 hours.
To find the average speed, we use the formula:
Average Speed = Total distance / Total time
Substituting the given values into the formula gives:
Average Speed = 30 km / 2 hours = 15 km/h
So, the correct answer is (a) 15 km/h. This is the average speed of the bicyclist over the two-hour period.
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40 POINTS PLZ HELP
1. In an ecosystem, there are many interactions among organisms and their ___ environment. (9 letters, 3rd is n)
2. Energy enters the ecosystem as light and exits as ____(4 letters)
3. Plants absorb mineral nutrients ___(4 letters)
4. Decomposers ___ chemical nutrients(7 letters, last is e)
5. Solar energy is converted into chemical energy by ____ organisms(14 letters)
6. ___ are consumers: they eat plants and each other(7 letters)
Answer:
1) nonliving
2) heat
3) ions
4) recycle
5) photosynthesis
6) Animals
What is the answer ? Is mine right?
Answer:
C. Obtain consistent data
Explanation:
When conducting an investigation, it doesn't matter whether the hypothesis was correct or not since you are trying to find that out. All you are trying to do is get data that may or may not be able to support that hypothesis that you made.
How are vegetation management and beach nourishment similar in the ways they combat beach erosion?
Answer: 1) C. Both relocate materials back to the shore
2) D. Raise taxes
3) A. Beach erosion may increase on the downdrift side of the jetties
4) A. To replenish sand on a beach , D. To mitigate beach erosion for a period of time
5) D. They cause narrower beach areas
6) D. A beach experienced massive sand loss after a recent hurricane
Explanation:
The similar ways in which beach nourishment and vegetation management aid in combating beach erosion is that both help in the relocation of materials back to the shore.
Beach erosion is the gradual removal of sediments along coastal shores by the actions of waves, tides, ice among other forces.
Beach nourishment is a method of controlling beach erosion. It involves the pumping back of sediments along coastlines that have been eroded.
The diagram attached below shows beach nourishment being carried out along a coastal shore.
Another alternative to this is vegetation management. This involves introducing and maintaining coastal plants along shorelines which helps to build up sediments by trapping them overtime.
Therefore, the similar ways in which beach nourishment and vegetation management aid in combating beach erosion is that both help in the relocation of materials back to the shore.
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DNA is a nucleic acid that consists of thousands of smaller, repeating units called nucleotides.
What function do nucleic acids serve besides storing genetic information?
Answer:
Besides storing genetic information, nucleic acids helps in
Understanding diseases
Creation of proteins
Transmission of information
Explanation:
Understanding diseases
Knowledge about the nucleic acids and their mechanism of action helps in understanding the causes of a disease and the possible cure for the disease. A genetic disease is caused when there is a faulty gene, which is made up of nucleic acids, is present in the genome. These genes will make faulty RNA's which will result in the establishment of faulty proteins. Hence, by having understanding about nucleic acids, diseases can be studies and cured.
Creation of proteins
The information from the DNA is coded by the mRNA which is used to make proteins.
Transmission of information
Apart from storing information, the nucleic acids such as the DNA are also involved in the transmission of information.
Nucleic acids, besides storing genetic information, are instrumental in the synthesis of proteins. They work to construct proteins based on the instructions carried by the DNA. Additionally, they play a part in regulating cell processes and help in energy production.
Explanation:Nucleic acids, in addition to their principal role in storing genetic information, play several other vital functions in our bodies. Primarily, they are instrumental in the synthesis of proteins, which are the building blocks of cells. DNA, or deoxyribonucleic acid, carries the instructions for the production of these proteins, while another nucleic acid known as RNA (ribonucleic acid) works to construct the proteins based on these instructions.
Further, RNA also functions in other capacities, such as acting as a messenger (mRNA) that conveys the genetic code from the DNA to the ribosomes, sites of protein synthesis. Additionally, transfer RNA (tRNA) and ribosomal RNA (rRNA) both play critical roles in protein synthesis. Nucleic acids also play a part in regulating cell processes and help in the formation of ATP (adenosine triphosphate), the main energy source for many cellular processes.
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HELP!!! How does the equipment shown in the picture reduce the impact of an oil spill on marine life? A. It absorbs the oil as it passes underneath , helping large schools of fish. B. It prevents the oil from being absorbed into the water, helping plankton. C. It produces low - energy electric field that degraded the oil, helping benthic organisms . D. It helps to contain the spread of the oil , helping seabirds and pelagic organisms.
Answer:
D
Explanation:
An oil boom helps contain the oil so that it is easier for them to skim it off of the water. They aren't meant to clean up oil, only to contain the oil since it does not sink or mix with water.
Answer:
D. It helps to contain the spread of the oil , helping seabirds and pelagic organisms.
Explanation:
- What organisms in the lake require oxygen to survive?
Answer:
All
Explanation:
All organisms require some sort of oxygen to survive. Fish have gills that pull the oxygen from the water.
Bacteria Experiment
A scientist grew bacteria on gel in her lab. She wanted to find out if the bacteria would
grow faster on gel A or gel B. She placed a few bacteria on gel A and a few on gel B. After
24 hours, she observed how many bacteria were present on each type of gel.
Identify the independent and dependent variables
Answer:
she wanted to find out what bacteria would grow faster I think the answer is A..
Explanation:
the scientist add more bacteria to gel A.
Which of the following best defines climate?
A Short-term atmospheric conditions of a region
BThe weather pattern of an area over two weeks or less
C Average weather conditions of a region over the long term
D A pattern of weather that never changes
Answer:
Climate is defined as the general weather conditions prevailing in an area. Therefore, out of your answer choices, the correct answer would be "C: The Average weather conditions of a region over a long period of time"
Explanation:
what happens to most of the light energy during photosynthesis?
Answer:
uses the energy of sunlight to convert water and carbon dioxide (reactants) into high-energy sugars and oxygen (products).
Explanation:Summarize what happens during the light-dependent reactions of photosynthesis. ... NADP+ molecules pick up the high-energy electrons along with H+ ions to become NADPH.
Most of the light energy absorbed during photosynthesis is used to generate ATP and NADPH in the light-dependent reactions, which are later used in the Calvin cycle to produce carbohydrates, effectively storing solar energy as chemical energy.
Explanation:During photosynthesis, most of the light energy is converted into chemical energy. This transformation begins when sunlight is absorbed by chlorophyll, a pigment in the thylakoid membranes of the chloroplasts. A photon strikes photosystem II initiating the process where energy is transferred through an electron transport chain and is used to pump hydrogen ions into the thylakoid space, establishing an electrochemical gradient.
The hydrogen ions flow through ATP synthase, a process known as chemiosmosis, to form ATP, an energy carrier molecule. Photosystem I absorbs a second photon, leading to the formation of NADPH. Both ATP and NADPH are then utilized in the Calvin cycle to create sugar molecules. Ultimately, the light energy absorbed by plants is stored as chemical energy in carbohydrates, serving as fuel for life on Earth.
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What is virtual reality?
Answer: the computer-generated simulation of a three-dimensional image or environment that can be interacted with in a seemingly real or physical way by a person using special electronic equipment, such as a helmet with a screen inside or gloves fitted with sensors.
Explanation:
Answer:
Virtual reality is an interface that simulates the real world with precision and fidelity.
Explanation:
Virtual reality is a current technology. It refers to the use of an interface that creates a totally virtual environment that simulates effects, sounds and sensations of the real environment, where the visual and tactile sound effects are replicated. In this virtual environment, an individual is inserted through equipment that makes him believe that that universe and everything that happens in it is real. The individual has a complete immersion in this universe, which seems real, but is totally virtual.
Carrying the genetic code and determining an organism's structure and function are the functions of
DNA
ORNA
The DNA acts as carrier of genetic information and is also involved determining the structure and function of organism.
Explanation:The fundamental job of DNA is that it acts as carrier of genetic information and is also involved determining the structure and function of organism. It is the major components due to which the cell secrets proteins which are required for all metabolic action of the cell.
The DNA sections that convey hereditary data are called genes; however, other DNA arrangements have auxiliary purposes, or are associated with controlling the statement of hereditary data.
HURRY !!! Which best describes the structure of the molecules that make up proteins?
O
A. Carbon + hydrogen + oxygen
B. Phosphate + sugar ring + nucleotide base
O
C. Hemoglobin + oxygen + iron
O
D. Carboxyl group + amino group + side chain
The option that best describes the structure of the molecules that make up proteins is D. Carboxyl group + amino group + side chain.
What are proteins made up of ?Proteins are made up of amino acids, which are molecules that contain a carboxyl group (-COOH), an amino group (-NH2), and a side chain (R). The carboxyl group and amino group are the reactive groups of amino acids, and they are responsible for the bonding of amino acids together to form proteins.
The side chain of an amino acid can vary in structure and chemical properties. This variation is what gives proteins their different properties and functions.
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Organisms and populations compete for abiotic and biotic resources. How does competition affect these resources?
A. Competition can limit or deplete resources
B. Competition can increase biotic resources
C. Competition can provide abiotic resources for other organisms
D. Competition only affects biotic resources
Answer:
A. Competition can limit or deplete resources
Final answer:
Competition for abiotic and biotic resources can limit or deplete these resources, affecting their availability in an ecosystem. This can result in harm to competing organisms, influence community dynamics, and alter species distribution.
Explanation:
When organisms and populations compete for abiotic and biotic resources, the impact can be quite significant. Competition can limit or deplete resources, which affects the availability of these resources to both the competing organisms and others in the ecosystem. For instance, plants competing for sunlight, water, and nutrients can reduce the availability of these resources for other species. This competition can harm one or both of the competing organisms, particularly if they are of the same species (intraspecific competition) or of different species (interspecific competition).
An invasive species like kudzu, by competing for light, can outcompete and thus limit the growth of trees. This is an example of how competition can lead to ecological imbalances. In the broader picture, competition impacts not just the individuals directly involved but can also affect community dynamics and the distribution of various species in a habitat.
Considering the options provided, the correct answer is A. Competition can limit or deplete resources.
what is it called when a scientists personal opinion affects the way experimental results are reported A. bias B. curiousity C. inductive reasoning D. deductive reasoning
Answer:
your answer should be A. bias
The answer is option A "bias." A scientist bias is a opinion on something or someone so in this case a scientist bias on a experiment can effect the experimental results because of what the scientist think is correct so the answer would be option A. It's not option B because curiosity would most likely cause you to test your hypothesis with a experiment. It's not option C because inductive reasoning is supplying evidence for the truth of the conclusion. It's also not option B because deductive reasoning is the opposite of inductive reasoning.
Hope this helps.
In cats having hair dominant (H) over not having hair (h). If a male cat that is hetrozygous for hair is crossed with hairless cat.
What are the parents genotypes?
Answer/Explanation :
A heterozygous cat has a genotype Hh
A hairless cat has a genotype hh
When crossed, the results could be any of the following:
Hh (with hair)
hh (hairless)
There is a 50:50 chance or 1: 1 ratio that the offspring will have hair.
Final answer:
In a genetic cross involving cats where hair is dominant over hairlessness, a heterozygous male cat (Hh) mated with a hairless female cat (hh) results in offspring that are predicted to have a 1:1 ratio of haired (Hh) to hairless (hh) genotypes.
Explanation:
The question regards a genetic cross concerning hairlessness in cats, a trait determined by a single gene with two alleles: hair (H) is dominant over no hair (h). When a heterozygous male cat (Hh) is mated with a hairless (hh) female cat, we are examining a simple Mendelian cross to determine the offspring's potential genotypes.
The parents' genotypes in this scenario are as follows:
Male cat: Heterozygous for hair (Hh).Female cat: Homozygous recessive for no hair (hh).This cross results in a Predicted offspring phenotype ratio of 1:1, where 50% of the offspring are expected to be heterozygous with hair (Hh) and 50% are expected to be hairless (hh).
Why are scientists who are searching for life on other planets studying Archaebacteria? (I already know the answer but this is here because i didn't see it for anyone else)
A. They are similar to organisms found on other planets.
B. They live in conditions similar to those likely found on other planets. (This is the answer)
C. They are rare and abundant on other planets.
D. They are the easiest cells to study without using a microscope.
Answer:
B. They live in conditions similar to those likely found on other planets.
Explanation:
Archaebacteria involve those bacteria that live in extreme conditions. For instance, halophiles are those species of organisms that live in extreme salty conditions. Archaebacteria are obligate anaerobes that do not require oxygen for its respiration.
Scientists are not sure of the presence of oxygen in other planet and studying the possibility of archaebacteria existing in other planet is higher than other organisms because other higher organisms require proper environment condition for their survival.
Which hypothesis states that the moon originally broke away from Earth during its early formation?
A .Giant impact hypothesis
B. Capture hypothesis C.Accretion hypothesis
D.Fission hypothesis
Answer:
A
Explanation:
the Giant impact hypothesis formed when an object smashed into early Earth.
Answer:
Fission Hypothesis
Explanation:
This theory proposes that the Moon was once part of the Earth and somehow separated from the Earth early in the history of the solar system. The present Pacific Ocean basin is the most popular site for the part of the Earth from which the Moon came.
This theory was thought possible since the Moon's composition resembles that of the Earth's mantle and a rapidly spinning Earth could have cast off the Moon from its outer layers.
However, the present-day Earth-Moon system should contain "fossil evidence" of this rapid spin and it does not. Also, this hypothesis does not have a natural explanation for the extra baking the lunar material has received
alligators are some of the largest predators found in lakes and swamps in northern florida which of the following helps alligators survive and compete for food in aquatic environments
They can swim with only their eyes and noses showing
they use sunlight to maintain the body temp
they absorb water they need through there skin
they can become herbivores when food is scarce
Answer:
The correct option is A.
Explanation:
Alligators generally feed on variety of foods, such as small amphibians, birds, fish etc. To catch these preys, alligators usually disguise by immersing all their bodies inside water with only their eyes and noses showing. They will stay perfectly still in that position until a prey come along, then they will quickly attack the prey.
Alligators are quick and efficient predators. This technique that the alligators used to catch their preys enhances their survival and competition for food.
In addition, alligators depends on their external environments to regulate their body temperature. They can use sun as well as migration to warmer water to regulate their body temperature.