Answers
Answer: it’s AGG
Explanation:
A part of an mRNA has the sequence AGA. By Using the table below to figure out which amino acid is coded for by AGA, then after using the table it has been figured out that it is AGG. Thus, option A is correct.
What is the procedure to use the codon?The procedure to use this codon table for the code CAU, we first find C on the left side which is A on the top, as well as U on the right. When this has been found, the amino acid will be given to the right of the codon anf just from this table, we can find that CAU has the codon for the Histidine.
A silent mutation has been known as the mutation that has been occured and there will be no detectable change in that particular amino acid sequence. The mutation that has been occurs must still produce the same amino acid in this case, Histidine must still be produced.
If we look at the particular table, there has only one other codon that gives the Histidine amino acid. This codon has CAC. So we know that the original codon is the CAU and the other codon is CAC - and at last we can say that the third nucleotide in the codon can be mutated from a uracil (U) to a cytosine (C) and still produce histidine, causing a silent mutation.
Therefore, option A is the correct option.
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Related Questions
Which type of environmental scientist is likely to study methods of water conservation and decontamination?
a. Hydrologist
b. Toxicologist
C. Oceanographer
d. Ecologist
Answers
Answer:
A. Hydrologist
Explanation: A hydrologist is the environmental scientist who is likely to study methods of water conservation and decontamination. He is the person who carries out research on circulating, distributing and studying physical properties of the underground surface of the earth, and its surface waters.
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!! Which of Earth's layers has the same chemical composition as the mesosphere? A. inner core B. lithosphere C. asthenosphere D. outer core
Answers
Answer:
C : The asthenosphere
Explanation:
The asthenosphere located next layer within the mantle . It has the same chemical composition of the mesosphere.
Answer:
asthenosphere
Explanation:
Humans autosomal cells have two copies each of 23 unique chromosomes. Match each cell division event and cell type according to the number of chromatids present.
23 Chromatids, 46 Chromatids, or 92 Chromatids
Spermatozoa
Ootid
Anaphase of mitosis
Oogonium prior to S phase
Answers
Answer:
Spermatozoa: 23 chromatids
Ootid: 23 chromatids
Anaphase of mitosis: 92 chromatids
Oogonium prior to S phase: 46 chromatids
Explanation:
1) Spermatozoa, also known as sperm cell is a haploid gamete (n) that results from the meiotic division of a dipoid reproductive cell. Since there are 23 pairs of chromosomes or 46 chromosomes in human somatic cells, there will be 23 chromosomes in the spermatozoa. Also, meiotic division occurs twice and separates sister chromatids in meiosis II. Hence, spermatozoa will contain 23 chromosomes (n) with 1 chromosome each i.e. 23 chromatids
2) Ootid is a haploid cell that arises from the second meiotic division of a secondary oocyte. A primary oocyte, with 46 chromosomes/92 chromatids, undergoes meiosis I to produce secondary oocyte with 23 chromosome/46 chromatids, which in turn undergoes meiosis II to produce ootid with 23 chromosomes/23 chromatids (each chromatid is an individual chromosome).
3) Mitosis is the cell division that produces two identical diploid (2n) daughter cells. Note that, 46 chromosomes get replicated to form 92 chromatids. In the anaphase stage of mitosis, sister chromatids get pulled apart to opposite poles but still remain in the cell as cytokinesis is yet to occur.
4) Oogonium is the diploid (2n) cell that gives rise to primary oocyte via mitosis. Prior to the S phase where chromosomes replication occurs, Oogonium cell will contain 46 chromosomes and 46 chromatids.
How are DNA and growth/development related?
Answers
Explanation:
Deoxyribonucleic acid (DNA)is a molecule composed of two polynucleotide chains that coil around each other and growth is the increase of size in a child while development is the process in which a child develops his or her skills
mechanism exloisive of tomato
Answers
). How many total electrons does a neutrally charged carbon atom contain in its orbits? How many electrons are in its innermost orbit (closest to the nucleus)? How many are in its outermost orbit?
Answers
Answer:
6 electrons
2 electrons
8 electrons
Which subgroup is the lowest?
kingdom
species
order
genus
Answers
Answer:
species is the lowest subgroup
Explanation:
Common symptoms of iron deficiency and anemia include muscle weakness shortness of breath and lightheadedness why does Iron
deficiency cause of the symptoms
Answers
Answer: Because not enough oxygen is getting into the blood cells
Explanation:
Would you be able to survive if your body only had one type of cell?
Answers
Answer:
yes
Explanation:
you would be able to survive
If the human's body only had one type of cell, they will not be existing. Hence, the answer is no.
The human body is the most complex of all living organisms. It is made up of trillions of cells that are organized into tissues, organs, and organ systems with each organization carrying out different functions. Without these organizations, humans will not be able to carryout essential life processes and as such, not able to survive.
If the trillions of cells are just one type of cell, then, only one tissue, organ, and organ system can be formed. The cells had to differentiate in order for them to be organized into different tissues, organs, and organ systems
In other words, if your body had only one type of cell, the different biological processes being carried out would not be possible and you would not survive.
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Hopefully you are getting the picture that science is a dynamic process, always changing as new information arises. Any individual experiment may include one or more of the components that have been discussed because there is no one formula for a successful scientific inquiry and no single rule book that is rigidly followed. So what does all this experimentation and data collection lead to? Firstly, research results have no impact if they are not shared with a community of peers and eventually society as a whole. Scientists working in the same research area often check each others results by repeating similar experiments. There is a great deal of both cooperation and competition in the scientific community. Contrary to popular belief science is in fact an incredibly creative process, that includes elements of challenge, surprise, careful planning, patience and persistance. It is the inquisitive mind that drives scientific progress.
Now that you have been more thoroughly introduced to the nature of science, lets try that survey from the beginning of this unit again.
1. A scientific hypothesis is best described as an "educated guess."
2. Failure to disprove a hypothesis proves that the hypothesis is correct.
3. Scientific theories are never questioned.
4. A scientific theory is based on educated guesses and is not backed up by facts/data.
5. Scientists that contribute data that contradicts an established theory are not highly regarded in the scientific community.
6. In order for an investigation to be considered scientific, a controlled experiment must be used.
7. Scientific facts are never questioned.
8. Science can only answer questions about things that can be seen and observed.
9. Untestable hypotheses fall outside the realm of scientific inquiry.
Anyone can practice science, even if they don't have highly specialized scientific education and training.
Which of the above are true?
Answers
Experimentation and data collection provides solution to certain problems. It helps to solve an hypothesis formulated providing results and serve as guide for further experiments.
1. A scientific hypothesis is best described as an "educated guess." - False
2. Failure to disprove a hypothesis proves that the hypothesis is correct.- False
3. Scientific theories are never questioned.- False
4. A scientific theory is based on educated guesses and is not backed up by facts/data.-False
5. Scientists that contribute data that contradicts an established theory are not highly regarded in the scientific community.- False
7. Scientific facts are never questioned.-False
The True
6. In order for an investigation to be considered scientific, a controlled experiment must be used.- True
A control serves as a guide in an experiment as the experimental variable is tested with it to see the possible changes or outcome.
8. Science can only answer questions about things that can be seen and observed.- True
Science provides solutions to problem that have been identified, for which data are generated in respect to the problem identified and solutions are provided.
9. Untestable hypotheses fall outside the realm of scientific inquiry -True
An hypothesis should be testable, it is the problem statement that requires a solution.
Select the correct answer.
John owns a large farm and employs almost 50 laborers on the property. With the increasing global warming situation he wants to provide
protection for his farm workers from the UV rays. Which personal protective equipment should John provide to his laborers?
OA. hard hat
OB. broad-brimmed soft hats
OC. HAZMAT suit
OD.
broad-brimmed cap
Answers
Answer:Hard is the answer
Explanation:
Which of the following accurately describes Poiseuille's law?a. blood flow is not related to resistance. b. if resistance increases, flow increases. c. if resistance increases, flow decreases. d. viscosity of the blood is not related to flow. e. pH of the blood influences flow.
Answers
Answer: Option C.
if resistance increases, flow decreases.
Explanation:
if resistance increases, flow decreases describe Poiseuille's law because it explain the relationship between fluid flow and the viscosity of the fluid, length and width of the turning. The law describe fluid flow is related to length and radius of tubing and viscosity. Increase in resistance will result in decrease in flow rate because flow and resistance are reciprocally related in one way or the other.
How do cells replace themselves?
Answers
Scenario: In the experiment shown, plant A received 50 mL of coke each day,
plant B received 50 mL of juice, and plant C received 50 mL of water. Every
day for one week, plant growth was measured.
What is the independent variable? *
Answers
Answer:
TYPE OF LIQUID SUBSTANCE RECEIVED
Explanation:
The independent variable in an experiment is the variable that the experimenter deliberately changes or manipulates in order to bring about a response in the dependent variable/measured variable.
In this experiment, the TYPE OF LIQUID was changed for each group of plant in order to see how it affects how the plants grew. Hence, the TYPE OF LIQUID is the independent variable while the dependent variable is the plant growth, which is dependent on the independent variable.
Which of the following monomers vary based on the structure of their side chains?
Answers
Answer: Fatty acids. . Monosaccharides. . Nucleotides. . Amino acids. . What type of molecule is represented by the model below?. . -A molecule made up of four carbon rings with other atoms bonded to those rings-. . A.Fat. . B.Carbohydrate. . C.Steroid. . . D.Protein
Explanation:
The recommended order of draw for a complete blood count, prothrombin time, and cholesterol is:________
Answers
Answer:
The use of the word "draw" here refers to the collection of blood samples for laboratory tests.
Step A - The first draw goes into the blood culture bottle or tube with a yellow cover.
Step B - This goes into the coagulation tube with a blue cover.
Step C - The next draw goes into the tube for non-additives. This usually has a red top
Step D - This features collection of blood into the tubes with additives. When dealing with additives, blood samples and additives it is important that the sample and additive is rigorously homogenized. This part can is broken down as follows:
this goes into the SST tube. This tube contains a seperator and a clot activator and is usually is colour coded reddish-gray or gold top.This tube contains Sodium heparin and has a leaf green topThis tube (PST) contains PST contains lithium heparin anticoagulant and a gel separator. It's cover is colour coded light greenThis tube contains Ethylenediaminetetraacetic acid or EDTA for short. It's cover is usually colour coded lavendarThis tube is labelled ACD that is Acid Citrate Dextrose. It's top is coded light yellowthis tube contains Oxalate/Fluoride and it's cover must be colour coded gray.
Cheers!
How do enzymes act as catalyst to speed up biological reactions
Answers
Enzymes are biological catalysts. ... Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrates bind. This is termed "induced fit", meaning that the precise orientation of the enzyme required for catalytic activity can be induced by the binding of the substrate.on:
Answer:
Chemical reactions occur at the active site of enzymes, where a precise 3D orientation of amino acids is an important feature of catalysis.
Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate.
Activation energy is energy that must be added to get a reaction started, which is recovered as the reaction proceeds.
Enzymes can catalyze reactions through a variety of ways including destabilizing the bonds within the substrate.
Explanation:
usatestprep
Which action is designed to increase the safety of a person carrying a microscope from one place to another?
putting a cover over the microscope
setting the microscope to the high-power objective position
wrapping the electrical cord around the arm of the microscope
raising the stage of the microscope until it touches the objective
Answers
Answer:
wrapping the electrical cord around the microscope
Explanation:
i took the test
The action that is designed to increase the safety of a person carrying a microscope from one place to another is as follows:
Wrapping the electrical cord around the arm of the microscope.Thus, the correct option is C.
What is a Microscope?A Microscope may be defined as a laboratory instrument that constructs an enlarged image of a small object such as cells and thus illustrating details too small to be seen by the unassisted eye.
In order to increase the safety of a person that holds a microscope and wants to shift it from one place to another via protecting by wrapping the electrical cord around the arm of the microscope.
The arm of the microscope is the place that is generally people hold when they carry a microscope from one place to another.
Therefore, the correct option for this question is C.
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Question 3: PH is a measure of the number of____ in a water-based fluid. a. Hydrogen atoms B.hydrogen ions C.hydrogen molecules D.hydrogen bonds Question 4: a _______ Is an attractive force between two Atoms (What is it?) Question 5: what property of water allows insects to walk on the surface? A period resistance to temperature change B. Expansion upon freezing C. Hi solubility D. Cohesion I’m sorry, these are all the points I have left. Please help me!
Answers
Answer:
Q3: B. Hydrogen ions
Q4: Intermolecular force
Q5: D. Cohesion
Subduction of the ocean floor occurs in _______.
Answers
Answer:
crust closer to a mid-ocean ridge moves away from the ridge and toward a deep-ocean trench. Sea-floor spreading and subduction work together.
Explanation:
From the organ systems listed below, select the correct sequence of organs found in each system.
OOOO
cardiovascular, digestive, endocrine, urinary, integumentary
heart, stomach, lungs, kidneys, hair
heart, liver, pituitary gland, kidneys, skin
blood vessels, pancreas, kidneys, lungs, n
Answers
carbon fibres in tennis racket
Answers
Answer:Improvements in the carbonisation of viscose fibers. While maximum theoretical carbon yield for the carbonisation of viscose fibres is 44%, in reality the carbon yield is just in the range of 20%. ...
ELG Carbon Fibre receives ISO standard. ...
Porous carbon fibers have more power.
A student will measure and record the growth (in height) of two flowering plants every other day for 20 days. Each plant will receive 200mL of water each day, but only one plant will receive 10mL of fertilizer. What is being tested? Do flowering plants grow better with salt water? Does fertilizer help a plant grow taller? How tall do these flowering plants grow? How much fertilizer do flowering plants need?
Answers
Answer:
Does fertilizer help a plant grow taller?
Explanation:
Every experiment begins with an observation, which then leads to a scientific question that can be tested. In this question, a student measures and records the growth (in height) of two flowering plants every other day for 20 days. He then waters each flowering plants with same amount of water (200mL) but adds 10mL fertilizer to only one group of flowering plant.
This experimental set up implies that fertilizer is the independent variable or manipulated variable of the experiment while the dependent/measured variable is the growth (height) of plants.
N.B: 200mL of water is a constant or controlled variable
Hence, based on the identification of the independent and dependent variables, it can be said that the student is testing IF fertilizer will improve the growth in height of the flowering plants, hence, the scientific question will be: DOES FERTILIZER HELP A PLANT GROW TALLER?
The basic unit of ______________ in the metric system is the gram. Group of answer choices length volume density mass
Answers
Answer:
Mass.
Explanation:
It's mass. Example: when a baby is born, is he (or she) measured in grams, or in pounds?
Which is one phenomenon that can cause waves to form in the ocean? strong winds Coriolis effect differences in water density gravitational pull of the moon
Answers
Answer:
A(strong winds)
Explanation:
did the test on edg
Which of the following is the best definition of the term dependent
variable?
Answers
Answer:
what's measured and effected during a study.
it's named dependent because depends on it's independent variable. dependent variable is often called a response or output, because it's the response you'll get after an experiment.
Scientific theories are explanations for naturally occurring events or phenomena. Although scientific theories require extensive observations and experimentation, they can change over time as new evidence is discovered. Scientific laws are principles that are also based on extensive observations and experimentation. Although scientific theories can develop into laws, a theory can only be declared a law if it is proven to be without exception under certain stated conditions. Which of the following is true regarding scientific theories,laws, and knowledge? A. New scientific knowledge is gained by memorizing scientific theories and laws. B. Scientific knowledge must be proven by both scientific theories and laws. C. Scientific theories can lead to scientific knowledge, but scientific theories are not related to scientific knowledge. D. Scientific theories and laws develop from the acquisition of scientific knowledge.
Answers
Answer:
C
Explanation:
scientific law is the description of an observed phenomenon. It doesn't explain why the phenomenon exists or what causes it.
Answer:
Scientific theories and laws develop from the acquisition of scientific knowledge.
Explanation:
If heart rates is 76 beats per minute how many times the heart beat in a day
Answers
Answer:
109,440 beats per day
Explanation:
75 times 60 (the amount of minutes in an hour) equals 4,560
456p times 24 (the amount of hours in a day) equals 109,440
Match the level of ecological organization
described by each of the statements below.
The birds, insects, plants, fungi, and other
organisms that reside in a nearby wetland.
A. Molecules
B. Organism
C. Population
D. Biological community
OA
B
O
C с
Answers
D) Biological community
Explanation:
Community, also known as a biological community, is a group of interacting organisms that share a shared habitat in biology.
What is Biological community?
A biological community is made up of things like a forest of trees and underbrush plants that is home to various animals and is anchored in bacterial and fungal-rich soil.
Each species in a community fills a certain ecological niche. A species' interactions with other individuals in the community, such as rivalry, predation, parasitism, and mutualism, are included in its niche.
The positions along the food chains that indicate which organisms in a community consume which other organisms are referred to as trophic levels.
Therefore, Community, also known as a biological community, is a group of interacting organisms that share a shared habitat in biology.
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Draw the phases of mitosis of a cell that contains four chromosomes as its diploid or 2n number
Answers
Answer:
Please find the diagram attached and explanation below.
Explanation:
Mitosis is a type of cell division that forms two genetically identical cells. It involves four stages viz; prophase, metaphase, anaphase, and telophase.
Considering a diploid (2n) cell with four (4) number of chromosomes.
Prophase- four duplicated chromosomes condense and pair up.
Metaphase- four chromosomes line up at the cell plate or equator in order to get separated.
Anaphase- the sister chromatids are pulled apart by the spindle microtubules
Telophase: the chromosomes recoil and organelles form at opposite poles of the cell.
At the end of cytokinesis, which is division of the cytoplasm, four chromatids are present in each daughter cell. The chromatids becomes individual chromosomes that retain the diploid (2n) chromosome number of four.
Mitosis is a cell cycle division in which the parent cell divides into two daughter cells with alike chromosome numbers.
It consists of four steps namely prophase, metaphase, anaphase and telophase.
According to the question, the diploid (2n) cell with four chromosomes will divide by the following stages. Find the attached image below for the diagram:
Prophase- four copied chromosomes will consolidate and pairing will happen.Metaphase- the joined chromosomes will queue at the middle of the cell plate or equator.Anaphase- the sister chromatids begins stretching apart by the spindle micro tubules near the edge of the poles.Telophase: the chromosomes commence recoiling and other organelles start developing at the corresponding poles of the cell.This was the process of karyokinesis and will be followed by cytokinesis that is the cytoplasm division.
Now the chromatids will become individual chromosomes and two diploids (2n) daughter cells will be formed.
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