Answer:
See the answer below.
Explanation:
The correct mRNA sequence from the DNA according to the base pairing rule should be:
AAU GCG UUG ACC GAU UAA
Instead of:
AAU GCG UGA CCG AUU AAC
This thus means that some of the nucleotide bases have been wrongly substituted.
The most important change is the codon 'UUG' becoming 'UGA', while the former codes for the amino acid leucine, the latter represents a stop codon. A stop codon will result in a non-functional or defective protein.
Hence, the type of mutation is nonsense mutation which results in a sudden cessation of protein synthesis as a result of a codon being prematurely changed to a stop codon.
The significance of this kind of mutation is that a defective on non-functional protein will result which will have a serious phenotypic implication in organisms.
Which one of these contains an atom of phosphorus?
Nitrogenous base Pentose Sugar Phosphate Group
What was Anton van Leeuwenhoek’s contribution in the development of cell theory? A. He built the first compound microscope. B. He was the first to observe live cells in a sample of pond water. C. He concluded that cells exist in liquids. D. He stated that all living things are made of cells.
Answer:
B. He was the first to observe live cells in a sample of pond water.
Explanation:
He was a self taught man that created the first microscopes which allowed him and others to see tiny organisms.
The other answers are not correct as Hans made the first microscope, cells existing in liquids were not a critical part of micro biology, and it was Schlieden and Schwann who created the cell theory that stated that all living things were made of cells.
Answer:
b
Explanation:
Mammals that live in the Arctic Ocean have a large amount of blubber, which is a fatty tissue just beneath the skin.
Which statement best relates why these animals have so much blubber?
O Lipids in blubber insulate the animals from cold water.
O Proteins in blubber help the animals move to stay warm.
O Carbohydrates in blubber provide all the energy that the animals need to stay warm.
O Nucleic acids help build the lipids in blubber, which keep animals warm by regulating cell activities.
Answer:
Lipids in blubber insulate the animals from cold water.
Explanation:
Lipids are fatty tissue, or fats in the cells. Blubber is fat. The fat helps insulate animals from cold water, especially in the Arctic known for being freezing. Fats can help maintain and keep body heat, hence why skinnier people are colder. Without lipids, they would most likely freeze.
Answer:
Lipids
Explanation:
Its a
Pluto dwells on the inner edge of the
A. Oort Cloud
B. Main asteroid belt
C. Kuiper belt
In light-dependent reactions, the oxygen leaves the plants through the ________. *
A. stomata
B. vein
C. cuticle
Answer:
The Stomata
Explanation:
It transpires water & creates a vacuum to draw more water up the stem
Answer:
A. stomata
Explanation:
In light-dependent reactions, the oxygen leaves the plants through the stomata.
what is the name of the protective structure that forms around an embryo
Answer:
NUTRIENTS
Explanation:
Nutrients pass from the placenta through the umbilical cord, and the amnion, a fluid-filled membrane, surrounds and protects the embryo. The division of the body into the head and trunk becomes apparent, and the brain, spinal cord, and internal organs begin to develop.
The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. Yellow pods are the dominant trait. The flowchart is missing the labels that describe the traits. A flow chart is shown. A and B both go to C. C goes to both D and E.
Hello. This question is incomplete. Also, you forgot to show the flowchart. The flowchart is attached below and the full question is:
The flowchart below shows the three generations of a cross between a pea plant that has yellow pods and a pea plant that has green pods. Green pods are the dominant trait. The flowchart is missing the labels that describe the traits.
In which squares should the phrase “Green pods” appear?
1.A and D 2.B and E 3.A,C and D 4.A,B,C,D and E
Answer:
3.A,C and D
Explanation:
As shown in the question above, the flowchart shows the crossing of a pea plant with dominant features (green pods - AA) and a pea plant with recessive features (yellow features - aa). The crossing between plants with AA and aa alleles generates a completely Aa population, which in this case, has the dominant characteristic, that is, it has green pods. This is because the "Aa" alleles are called heterozygous and develop the dominant characteristic.
As we can see in the flowchart, the crossing between the two pea plants generated an offspring that is identified by table C, as we know this offspring has green pods and in the flowchart it is represented by a grayish rectangle. Therefore, we can say that the other gray rectangles represent pea plants with green pods, which are rectangles A, C and D.
Answer:
your answer is option C: A, C, and D only
Explanation:Mark Brainliest pls, im trying to level up ❤️
Which type of selection leads to increased phenotypic and genetic variation? directional selection disruptive selection stabilizing selection species selection
Answer:
diruptive selection/ diversifying selection
Explanation:
disruptive selection often leads to more variations in species
The circumstance that concludes whether the organism will be able to accommodate and endure in the changed conditions is called selection.
The correct answer is:
Option B. Disruptive selection.
This can be explained by:
Disruptive or diversifying adaptation occurs when there is a change in population genetics in which the traits are valued over intermediates.This type of assortment supports either the dominant or the recessive trait but do not favour intermediates.For example, in selection between tall, short or intermediate organisms the tall and short will be selected over the medium heightened organism.Therefore, disruptive selection will lead to increased phenotypic and genetic variation.
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What is the end product of the process of respiration? *
A. glucose and oxygen
B. water and carbon dioxide
Answer:
B. carbon dioxide and water
Explanation:
Respiration is a process that animals and plants undergo to create energy to grow, move and sustain life.
The equation for cellular respiration is:
glucose + oxygen —> ATP + carbon dioxide + water
The organisms use glucose from food and oxygen to create ATP (useable energy), carbon dioxide and water.
Therefore, the answer is B. Carbon dioxide and water. Glucose and oxygen are not the end results, they are used to make the end results.
Answer:
B. water and carbon dioxide
What are four body systems that are involved in getting oxygen to your cells?
Answer:
The cells that make up the digestive, muscular, skeletal, reproductive, and excretory systems all need oxygen from the respiratory system to function, and the cells of the respiratory system as well as all the other system bneed nutrients and must get rid of metabolic wastes.
Explanation:
Kim knows that today’s lab investigation will involve heating liquids over an open flame. Which apparel choice would indicate that Kim planned to stay safe during the investigation
Answer:
Apron, gloves, closed toe shoes, goggles. Kim should also tie long hair back if she has it and should roll long sleeves up.
Explanation:
Aprons, closed toe shoes, and goggles will prevent any of the liquid being heated from burning and harming her skin or eyes.
Gloves are needed to protect her hands from heat and the liquid as well.
Long hair should be tied back to prevent it from being burned or harmed from the liquid, and long sleeves need to be rolled up to prevent them from being caught on fire or dragging into the liquid.
Answer:
a lab coat with long sleeves
Explanation:
i just took the test
What do proteins, nucleic acids, and carbohydrates all have in common?
A. They all use peptide bonds to form macromolecules.
B. They all contain the instructions for building organisms.
C. They are all formed from the same elements.
D. They are all made of chains of amino acids.
The common feature between proteins, nucleic acids and carbohydrates is ; ( C ) They are all formed from the same elements.
Nucleic acids are present in the DNA or RNA of cells of living organisms. they practically store genetic information and they are made up of long chains of nucleotides.
Carbohydrates, nucleic acid and proteins are are made up same elements which are ; carbon , oxygen and hydrogen that are combined in several ways in each of the compound.
Hence we can conclude that the common feature between proteins, nucleic acids and carbohydrates is they are all formed from the same elements.
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Proteins, nucleic acids, and carbohydrates all have in common that they are all formed from the same elements. The correct option is C.
Carbon, hydrogen, oxygen, nitrogen, and, in the case of nucleic acids, phosphorus, are the same components that go into the formation of proteins, nucleic acids, and carbohydrates.
These substances make up the fundamental constituents of organic compounds.
The building blocks of proteins are amino acids, the building blocks of nucleic acids are nucleotides, and the building blocks of carbohydrates are simple sugars (monosaccharides).
These macromolecules all have the same elements, but having diverse forms and roles, highlighting the essential roles of carbon, hydrogen, oxygen, nitrogen, and phosphorus in biological molecules.
Thus, the correct option is C.
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Why are bacteria needed in the nitrogen cycle?
A. Other living things cannot use atmospheric nitrogen.
B. Other living things cannot use the nitrogen in plants.
C. Bacteria are the main nitrogen reservoir.
D. Bacteria are the main nitrogen transporters.
The Bacteria needed in the nitrogen cycle Bacteria are the main nitrogen transporters.
What is nitrogen cycle explain?The nitrogen cycle is a repeating cycle of method during which nitrogen carries through both living and non-living things:
The atmosphere, soil, water, flora, fauna and bacteria.
In terms to move via the various parts of the cycle, nitrogen must alter forms.
Thus, option "A" is correct, Bacteria are the main nitrogen transporters.
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Which feature is created by deposition from rivers
Answer:
Explanation:
The answer is meanders
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Answer:
The person is right
where does the independent variable go on a graph
Answer:
SCIENTISTS like to say that the “independent” variable goes on the x-axis (the bottom, horizontal one) and the “dependent” variable goes on the y-axis (the left side, vertical one).
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Explanation:
23. Which activity most directly involves the
process represented in the diagram below?
1. a gamete produced in meiosis
2. a white blood cell engulfing bacteria
3. a zygote being produced in an testes
4. a human repairing damaged tissue
a gamete produced in meiosis is the correct answer .
What is meiosis ?Meiosis is the process where a single cell divides twice to produce four four haploid daughter cells which are otherwise called as gametes; It can occur in two substages such as meiosis I and meiosis II.
Humans have 46 chromosomes in every cell, where 23 chromosomes t came from one of our parents and 23 very similar chromosomes that came from the other parents.
Meiosis I consist of substages like Prophase I where nuclear envelope disintegrates, Chromosomes begin to condense, Spindle fibres appear.
Secondly Prometaphase I where Spindle fibres attach to the centromere followed by Metaphase I where The homologous chromosomes align at the equatorial plate, Anaphase I where he homologous chromosomes move towards the opposite poles.
Telophase I where Spindle fibres disappear, Cytokinesis I where the cytoplasm and the cell division result in 2 non-identical haploid daughter cells.
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Respiration occurs in the__________
1 nasal cavity
2 lungs
3 red blood cells
4 cells of the body
Answer:
cells of the body
Explanation:
Respiration happens in the cells of plants, animals and humans, mainly inside mitochondria, which are located in a cell’s cytoplasm, energy released during respiration is used by plants to make amino acids, and by animals and humans to contract their muscles to let them move. Don't confuse respiration with breathing. Respiration releases energy, while breathing
As a result of the Punic Wars, Rome
Answer:
Punic War effectively put an end to Carthage's empire in the western Mediterranean, leaving Rome in control of Spain and allowing Carthage to retain only its territory in North Africa. Carthage was also forced to give up its fleet and pay a large indemnity to Rome in silver.
Explanation:
The Punic Wars had a number of important impacts to the Roman society and politics. ... A result of the first Punic War and the Romans was the decisive naval victory against the Carthaginians at the Aegate Islands. This gave Rome full control of Sicily and Corsica.
Give two causes of Malnutrition
HELP :)
Answer:
Two causes of Malnutrition are not eating enough food and or not drinking enough water.
Explanation:
PLEASE HELP !!! Match the following terms and definitions.
1. the testing of a hypothesis in duplicate with only one factor being different
scientific method
2. an assumed explanation for a problem
hypothesis
3. a recognized means of inquiry to provide scientific answers to questions
theory
4. supported by evidence gathered over a period of time
controlled experiment
Answer:
Controlled experiment: the testing of a hypothesis in duplicate with only one factor being different.
Scientific Method: a recognized means of inquiry to provide scientific answers to questions.
Hypothesis: an assumed explanation for a problem
Theory: supported by evidence gathered over a period of time
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suggest why the starch and enzyme solutions were kept at 35°C
Answer:
(42) is
[tex]x785[/tex]
Which correctly lists the three plates that border the Indo-Australian Plate
Answer:
The Indo-Australian Plate includes the majority of the Indian Ocean. It borders the Eurasian Plate in the north, the Antarctic Plate in the south and the Pacific Plate in the east.
Answer:
The answer is A.
Explanation:
Pacific, Eurasian, and African.
For diffusion to occur, which condition must be met?
A concentration gradient must exist.
A hypotonic external environment must exist.
A hypertonic external environment must exist.
Dynamic equilibrium must exist.
Answer:
A concentration gradient must exist.
Explanation:
For diffusion to occur, a concentration gradient must exist. Therefore, the correct option is A.
The movement of molecules along a concentration gradient is known as diffusion. It is a significant process that all living things go through. Diffusion facilitates the flow of materials into and out of cells.
Without the use of energy, molecules can be transported from an area of high concentration to an area of low concentration through the process of diffusion. Simple diffusion and Complex diffusion are the two types of diffusion. Diffusion was made easier.
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Which of the following correctly describes the importance of the nitrogen cycle?
to recycle oxygen-based compounds
to replenish nitrogen in the atmosphere
to decompose dead plant matter
to replenish gases required by plants
What are the pros and cons of sexual and asexual reproduction?
leads to greater
genetic variation
produces less
genetic variation
does not require
finding a mate
requires more
time and energy
Answer:
Sexual reproduction:
Pros: leads to greater genetic variation.
Cons: requires more time and energy.
Asexual reproduction:
Pros: Does not require finding a mate.
Cons: Produce less genetic variation.
Explanation:
Sexual reproduction:
Pros: leads to greater genetic variation.Cons: requires more time and energy.Asexual reproduction:
Pros: Does not require finding a mate.Cons: Produce less genetic variation.What are sexual reproduction and asexual reproduction?
There are two most important bureaucracies: sexual and asexual reproduction. In a sexual replica, an organism combines the genetic records from every one of its parents and is genetically specific. In an asexual duplicate, one figure copies itself to form a genetically identical offspring.
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Which two atoms form a covalent bond?
A. A sodium and chlorine atom
B. Two oxygen atoms
C. Two sodium atoms
D. An iron and oxygen atom
in a covalent bond, the atoms bond by sharing electrons. Covalent bonds usually occur between nonmetals. For example, in water (H2O) each hydrogen (H) and oxygen (O) share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom.
why do you think silk is valuable fibre?
Answer:
Silk is used to make clothes
Explanation:
Question 11 (1 point)
Which of the following is not the name of a taxon?
Order
O Family
O Class
O Association
what is the product of meiosis ii
what is one similarity between replication and transcripton
Answer: both unwind the double helix to start the process
both use complementary base pairing
