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If siRNA against a starch-branching enzyme was transmitted to humans, then it may affect the expression of glycogen-branching enzymes. RNAi inhibits gene expression.
Glycogen-branching enzymes are similar to starch-branching enzymes because glycogen bonds are similar to those observed between amylopectin.
The RNA interference (RNAi) pathway is an evolutionarily conserved mechanism used in molecular biology laboratories to inhibit the expression of target genes.
In the RNAi technique, a regulatory non-coding RNA called small interfering RNA (siRNA) that exhibits sequence complementary to the target gene sequence is used to inhibit and/or block the translation of the target mRNA (in this case, starch/glycogen-branching mRNA coding enzyme).
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A box at the intersection between a row and a column on a spreadsheet is a
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The point where a column and a row intersection is known as a cell.
What is intersection?When two streets or lines cross, it is known as an intersection. The two places where crossings are most likely to occur are in math class as well as in traffic. An intersection in mathematics is the place where two lines converge. This is the common theme among the lines. There is an intersection in the middle of the letter X. The same holds true for a street's intersection; in this case, Huron and Clark's. You can take either street away from the intersection. Knowing the main intersections is useful while trying to go somewhere.
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50 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
EXPERIMENT WATER PROPERTIES
What observations were you able to make after 24 hours? 48 hours?
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Answer:
If your leave the water out for about 24 hours the water will have many different kinds of bacterias. Same with the 48 hours, but there is more bacteria in it.
Explanation:
Do 100 people living in developing countries such as Nigeria have the same impact on the environment as 100 people living in the United States? Explain your answer.Its for Science.Please help me quick cause its due today!
Answers
No, 100 people in an established country like the United States is no big deal, and they are not very likely to have a huge impact on the environment, culture, or beliefs. However, in a developing country like Nigeria, those 100 people could gravely impact the culture, environment, and beliefs. The Country is not established they do not have set values and 100 people is a good amount of people in a lowly populated area.
characteristics of contaminated water
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Contaminated water is a type of water that is harmful to human beings due to the presence of harmful substances, pollutants, or impurities that make the water unsafe for drinking or other household uses. The characteristics of contaminated water can be identified through various indicators, which can either be physical, biological or chemical.
Physical indicators are visible and may include color, taste, and odor, while biological indicators are not visible and may include bacteria, viruses, and protozoa. Chemical indicators may include heavy metals, pesticides, and organic compounds, among others.
Physical Characteristics: Physical characteristics of contaminated water include cloudy or turbid appearance, unusual taste or odor, or discoloration of the water. The color may range from yellow to brown, blue to green, or even black.
Biological Characteristics: Biological characteristics of contaminated water include the presence of bacteria, viruses, or protozoa. These microorganisms can cause diseases such as diarrhea, typhoid, cholera, and dysentery.
Chemical Characteristics: Chemical characteristics of contaminated water include the presence of heavy metals such as lead, arsenic, or cadmium. Pesticides and fertilizers can also contaminate water and affect human health. Organic compounds like benzene and toluene can also be present in contaminated water, which can lead to health problems such as cancer and nerve damage.
Therefore, it is important to test water sources regularly to identify and monitor any contaminants that may be present. This can help prevent health problems associated with the use of contaminated water.
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Plz help the first person to answer well mark brainliest!
Answers
Answer:
b i had that before its b
Explanation:
How could the racial background and perspective of a psychologist who is conducting a research subject influence the field of personality psychology?
Answers
Racial origins and the perspective of a psychologist who is conducting a research subject cannot influence the field of personality psychology, because personality psychology is a branch of psychology that examines personality and its variation among individuals. It aims to show how people are individually different due to psychological forces. His areas of focus include: building a coherent image of the individual and his/her main psychological processes.
What is personality psychology?Personality Psychology is the area that studies and seeks to explain the human particularities that influence behavior.Personality psychology or differential psychology is the part of psychology that is dedicated to describing and explaining "the enduring, non-pathological human particularities that influence behavior within a given population".
With this information, we can conclude that Racial origins and the perspective of a psychologist who is conducting a research subject cannot influence the field of personality psychology
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Which factors changed throughout the experiment? Check all that apply
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In the experiment, two factors changed throughout the course of the study: the genes of the parental mice and the fur color of the offspring.
The genes of the parental mice: The experiment involved studying the genetic makeup of the parental mice, specifically focusing on the alleles responsible for fur color. The researchers likely examined the genes of the parental mice to determine which alleles they carried and how they could potentially be passed on to their offspring. By studying the genetic composition of the parental mice, the researchers could track the inheritance pattern of the fur color trait.
The fur color of the offspring: The primary objective of the experiment was to investigate how fur color is inherited in mice. To achieve this, the researchers likely observed and recorded the fur color of the offspring produced by the parental mice.
As the experiment progressed and new generations of mice were born, the researchers would have noticed changes in the fur color of the offspring. By comparing the fur color of the offspring to the known genetic makeup of the parental mice, they could analyze the inheritance patterns and determine whether specific alleles were dominant or recessive.
The Question was Incomplete, Find the full content below :
Which factors changed throughout the experiment? Check all that apply.
the trait examined, fur color
the organism, mice
which allele was dominant and which allele was recessive
the genes of the parental mice
other aspects of the mice
fur color of the offspring
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Scientists dedicated to understanding memory have made it possible for us to know a lot about memory.
A. True
B. False
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We know a lot about memory than we did in the past!
Please give brainliest
Provide a scientific term for ‘breaking down’ of nutrients.
Answers
Answer: DIGESTION
Explanation:the breaking down of nutrients is know as digestion.DIGESTION is the process of mechanically breaking down food into substances for absorption into the bloodstream. Hope this helps!
Poikilotetherms - how they use behavior to maintain body temperature
Answers
Because poikilotherms lack the physiological ability to generate heat, their body temperature tends to conform to that of their surroundings in the absence of any behavioral intervention. Poikilotherms include "cold-blooded" animals (Kearney et al.).
How poikilotherms maintain their body temperature?
Cold stress or heat shock can alter membrane properties in poikilotherms, causing damage and, potentially, death if not corrected quickly. Low temperature stress is mitigated by modifying membrane lipids to lower their average transition temperature.The hypothalamus, a part of our brain, regulates our internal body temperature. The hypothalamus compares our current temperature to the normal temperature of around 37°C. If our body temperature falls too low, the hypothalamus ensures that heat is generated and maintained.The metabolic rate of poikilotherms increases with increasing temperature. Poikilotherms respond to temperature increases with a standard performance curve that includes increased performance, a maximum, and then declining performance as temperature rises further.To learn more about : Poikilotherms
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At the neuromuscular junction of vertebrates the neurotransmitter acetylcholine is released
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According to the context, the statement about the neuromuscular junction is true.
What is the neuromuscular junction?It is the part of the body where the neuron comes into contact with the muscle, that is, it is the point of connection between the motor neuron and the receptors of the muscle membrane that will carry out the contraction.
In this union, the main neurotransmitter involved, the one that activates the receptors of the muscular plate in such a way that the muscles contract, is acetylcholine.
Therefore, we can conclude that according to the context, the statement about the neuromuscular junction is true.
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The surface area and volume for four cells are given. Which combination of cell dimensions would be considered the MOST metabolically favorable?
A. cell 1: surface area 14 mm^2, volume 33 mm^3
B. cell 2: surface area 20 mm^2, volume 12 mm^3
C. cell 3: surface area 7 mm^2, volume 17 mm^3
D. cell 4: surface area 5 mm^2, volume 2 mm^3
Answers
Answer:
D
Explanation:
This is because a bad ratio would be one where the volume is larger than the surface area. Once a cell's volume is larger than the surface area, there's not enough surface area to process all the products coming in and waste coming out. Ideally, you'd want a surface area and volume to be as close to each other as possible in number, but you'd rather have the volume be less than the surface area.
Select the statements that accurately describe endocytosis.
a. The cell forms proteins that move substances into the cell against a concentration gradient.
b. The cell selectively filters small nutrients through specialized membrane pores.
c. The cell membrane pinches off to form an extracellular vesicle joined to the cell by filaments.
d. The cell membrane engulfs a particle in the cytoplasm and forms a vesicle around it.
e. The cell expends energy to transport materials into the cytosol.
Answers
Answer:
The correct answer is:
The cell membrane engulfs a particle in the cytoplasm and forms a vesicle around it. (d.)
Explanation:
Endocytosis is a type of active transport, where particles such as (large molecules, parts of cells, and even whole cells) are moved into cells.
The various types of endocytosis has a common feature of:
1. invagination of plasma membrane forming pockets around the target particle.
2. the pocket pinches off from original plasma membrane
3. forming a new intracellular vesicle containing the target particle.
The different types of endocytosis includes
a. pinocytosis (cell drinking): takes in extracellular fluids
b. phagocytosis (cell eating): large solid particles are taken in by cells
c. receptor-mediated endocytosis: here, receptor proteins on the cells surface, binds to complementary proteins on the surface of the target particles before endocytosis occurs.
As a result of an action potential, AcH is released from the axon terminal and attaches to receptors on the motor end plate. Sodium rushes in the T-tubules and all the steps occur until the muscle contracts in the leg and carry out the command transported by the motor neuron. Which gray horn is the cell body of the motor neuron located? Infer and explain if this is a positive or negative feedback
Answers
1) The cell body of the motor neuron is located in the ventral or anterior horn of the grey matter. From there, it extends to the motor unit. 2) Contraction refers to negative feedback in which the body reacts when facing a stimulus.
What is the anatomy of the spinal cord?The spinal cord is mainly composed of grey matter and white matter. The second one covers the first one.
The grey matter transversal section is composed of posterior, lateral, and anterior horns, also known as dorsal, lateral, and ventral horns, respectively.
Each type of horn contains a type of neuron.
In the posterior/dorsal horns, we can find sensory neurons that provide sensory information.In the thoracic area, we can find lateral horns with visceral motor neurons.
In the anterior/ventral horns, we can find motor neurons that extend to the skeletal muscle, which is the motor unit, to produce movement.
The motor neuron from the exposed example is located in the anterior or ventral gray horn.
This example refers to negative feedback because the neurotransmitter release causes a cascade effect that ends in muscle contraction, tending to suppress or counter the original stimuli.
Any change that might occur in the internal functioning will be countered by negative feedback to maintain homeostasis.
Negative feedback needs receptors, central control, and effectors.
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"Evaluate the statements below, and select those that correctly apply to the mechanisms of conjugation, transformation, and transduction.
a. Conjugation requires a gene on the bacterial chromosome to code for a sex pilus, through which the chromosome passes from donor to recipient. * b. Certain cells, called F+ cells, contain a plasmid that codes for a sex pilus to connect to a recipient F- cell and donate a copy of the plasmid. "
Answers
The statements that correctly apply to the mechanisms of conjugation, transformation, and transduction are:
Conjugation - requires a gene on the bacterial chromosome to code for a sex pilus, through which the chromosome passes from donor to recipient; the statement is True
Conjugation - Certain cells, called F+ cells, contain a plasmid that codes for a sex pilus to connect to a recipient F- cell and donate a copy of the plasmid; the statement is True.
What are the mechanisms of conjugation, transformation, and transduction in bacteria?The mechanisms of conjugation, transformation, and transduction in bacteria are the mechanisms by which bacteria acquire foreign DNA.
The processes are described as follows:
transformation - this is the process by which a bacterium takes up a piece of DNA found in its environment.transduction - this is the process by which DNA is moved from one bacterium to another by a virusconjugation - this is the process by which DNA is transferred between bacterial cells through a conjugation tubeLearn more about conjugation, transformation, and transduction at: https://brainly.com/question/1010918
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From the start codon through the stop codon, the length of the
fully processed AURKA mRNA is 1,212 nucleotides. Calculate the number of amino
acids in the polypeptide chain coded for by the mRNA.
Answers
Answer:
404 amino acids
Explanation:
The translation is the process by which a messenger RNA (mRNA) molecule is used as a template to synthesize a protein in the ribosomes. During translation, each triplet of nucleotides or 'codon' determines one specific amino acid of the growing polypeptide chain (i.e., the protein). In this case, the length of the fully processed AURKA mRNA consists of 1,212 nucleotides, thereby the length of the polypeptide chain will be 404 amino acids (protein length = 1,212 / 3 = 404 amino acids).
The disruption of the cell cycle may lead to what
Answers
I'm not sure how to answer this question quite frankly if you just explain it a little more I can help you out
Explanation:
Which of the following is a correct example of inductive reasoning?
O Nathan has 6 colored pencils. Two of them are red. Therefore, four of them are not red.
O All doctors went to school. Amy is a doctor. Therefore, Amy went to school.
O Janie and Tom are playing cards. Janie won the first 4 games. Therefore she will win the next game.
O All fish have fins. A catfish is a type of fish. Therefore, all catfish have fins.
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Answers i think is A or D
Explanation:
What does the earliest terrestrial evidence for the Hadean tell us about the
conditions on Earth?
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Answer:
Although no one knows when the first outer crust of the planet formed, some scientists believe that the existence of a few grains of zircon dated to about 4.4 billion years ago confirm the presence of stable continents, liquid water, and surface temperatures that were probably less than 100 °C (212 °F).
Explain why your evidence (what you wrote in Box 2) supports your claim (what you wrote in Box 1). Also, explain the scientific principles behind your reasoning. Remember to provide enough detail so that a friend who did not do the experiment could learn from your description.
Answers
The justification for why the statement is supported by the evidence is provided by the argument. Included should be a summary of the fundamental scientific hypothesis that gave birth to the evidence or data.
What is an example-based argument?
By using specific instances as a basis, a sound conclusion may be drawn. In this approach, the specific instances 1, 2, and 3 lead to a broad generalization about the overall problem. My Sony television, audio system, car radio, and video system, for instance, are all in fine working order.
What is clarified by logic?
The rationale explains "why" and "how" the facts support the claim. Included should be a summary of the fundamental scientific hypothesis that gave birth to the evidence or data.
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Fruit flies have 8 chromosomes. During mitosis, one cell with 8 chromosomes divided to form 2 cells each with 8 chromosomes.
Do this would mean 8 chromosomes divided by 2 becomes: 8+8 chromosomes. Can you describe three events and their associated cycle phases that make this mathematical impossibility biologically possible. (Think about the chromosomes and DNA strands in the cell)
Answers
During DNA replication (S phase), the chromosomes are duplicated, resulting in 16 sister chromatids. During metaphase, the sister chromatids align along the equatorial plane of the cell. During anaphase, the sister chromatids separate and move towards opposite poles of the cell, ensuring that each new cell receives a complete set of 8 chromosomes.
During mitosis, the process by which cells divide, the division of chromosomes occurs in a way that maintains the correct number of chromosomes in each resulting cell. The scenario you mentioned, where one cell with 8 chromosomes divides to form two cells each with 8 chromosomes, is possible due to three key events and their associated cell cycle phases:
DNA Replication (S Phase): Before mitosis begins, the DNA in the cell undergoes replication during the S phase of the cell cycle. This means that each chromosome replicates, resulting in two identical copies called sister chromatids. So, in the initial cell with 8 chromosomes, during S phase, each chromosome is duplicated, resulting in a total of 16 chromatids.
Chromosome Alignment and Separation (Metaphase and Anaphase): During metaphase, the replicated chromosomes align along the equatorial plane of the cell. The sister chromatids are connected at a region called the centromere. In anaphase, the centromeres split, and the sister chromatids separate, becoming individual chromosomes. The spindle fibers pull the separated chromosomes towards opposite poles of the cell.
Cytokinesis: After the chromosomes have separated, cytokinesis occurs, where the cell membrane pinches inward, dividing the cytoplasm into two distinct cells. Each new cell receives a set of chromosomes, resulting in two daughter cells, each with the same number of chromosomes as the original cell (8 chromosomes each).
Overall, through the processes of DNA replication, chromosome alignment and separation, and cytokinesis, the division of chromosomes during mitosis ensures that the resulting daughter cells maintain the correct number of chromosomes.
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A 17-year old girl was admitted to the hospital with a 1-week history of fever, chills, malaise, sore throat, skin rash, and polyarthralgia. She reported being sexually active and has a 5-week history of a profuse yellowish vaginal discharge, which was untreated. Upon presentation, she had erythematosus maculopapular skin lesions over her forearm, thigh and ankle, and her metacarpophalangeal joint, wrist, knee, ankle, and midtarsal joints were acutely inflamed. She had an elevated leukocyte count and sedimentation rate. Cultures of her cervix were positive for N. gonorrhoeae, but blood specimens, exudates for the skin lesions, and synovial fluid were all sterile.
Why were the synovial fluid cultures negative?
a. This organism cannot be cultured on artificial media
b. The arthritis is a non-suppurative sequala
c. The organism is difficult to recover from synovial fluid beyond the first few days of inflammation.
d. It should have grown. The lab made a critical mistake.
e. It should have grown. The nurse mislabeled the sample.
Answers
Answer:
C. The organism is difficult to recover from synovial fluid beyond the first few days of inflammation.
Explanation:
why not A
The organism N. gonorrhoeae can be cultured on Thayer Martin Agar( a selective medium used for the isolation of gonococci (Neisseria gonorrheae) from specimen containing a mixed flora of bacteria and/or fungi), from following
I.urine samples,
II. urethral swab
III.orcervical swab.
therefore A is wrong
Why not B
Arthritis is both suppurative (infectious) as well as non- suppurative.
Why C
The organism is very difficult to recover from synovial fluid, but the presence of immune cells confirms the gonococci in the fluid.
Help!!
Identify five animals that live
in the desert and 2 plants.
Write a paragraph telling me
how they can survive in this
particular biome.
Answers
Summarize Bradford's description of the New World in the above passage. Use details from the passage to support your answer.
Answers
But even so, Bradford repeatedly characterizes the Native Americans as “bloodthirsty,” arguing that they're “savages” because of their ignorance of Christianity.
Why was Bradford exploring the new world?In need of money, Bradford's Separatist group (who called themselves “Saints”) had been forced to join with so-called “Strangers,” people outside the church who were seeking economic opportunities in the New World.
What was William Bradford's view of nature?All things stand upon them with a weatherbeaten face, and the whole country, full of woods and thickets, represented a wild and savage hue. Please note two interesting aspects of this quote from Bradford:
note how he characterizes nature as a hideous and desolate wilderness full of wild beasts and wild men.With this information, we can conclude that Bradford repeatedly characterizes the Native Americans as bloodthirsty.
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how many types of animal tissues are there
1 . 1
2.2
3.4
4.5
Answers
Answer:
4
Explanation:
The connective, epithelial, nervous and muscle tissue
What is the function of proteins in a cell?
a. to control chemical reactions
b. to store genetic information
c. to cover the nucleus
d. to copy messages from DNA
Answers
Answer:
Explanation:
Please place the following values in order from least to greatest .0048 km, 4800 da m (decimeters), 4800 cm, 480 m, 48 hm
Answers
The order of the values using the basic unit of meters from least to greatest is: 0.0048 km, 4800 dm, 4800 cm, 480 m, 48 hm.
What are the units of measurement of distance or length?Distance is the space between two points.
The basic unit for measuring distance is the meter.
There are larger as well as smaller units for measuring length or distance which are based on the unit of meter.
The units are as follows:
millimeter, mm = 0.001 mcentimeter, cm = 0.01 mdecimeters, dm = 0.1 mmeter, m = 1 mkilometer, km = 1000 mhectometer, hm = 100 mConsidering the given values;
0.0048 km = 4.8 m
4800 dm = 480 m
4800 cm = 48 m
48 hm = 48000 m
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Playing video games requires which of the following skills?
o skepticism
reasoning
problem solving
creativity
please help thanks :)
Answers
Researchers who have studied video game play have discovered a favorable correlation between gameplay and the development of problem-solving abilities, hence option C is correct.
What are video games?Video game playing has been linked to an increase in prosocial behaviors (an activity that is helpful, good, and intended to foster friendship and social acceptability) in youngsters, especially those that are social and collaborative.
In competitive video games, communication and talent are key components. Hand-eye coordination, rapid reflexes, snap decisions, and strategy are necessary for success in every competitive video game.
Therefore, playing video games requires the use of both fine and gross motor abilities as well as visual awareness, which are all hand skills, hence option C is correct.
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In fruit flies, the dominant V allele produces long wings, whereas the recessive v allele produces vestigial wings - that is, wings reduced in size to the point of being functionless. Assume this is a system of complete dominance. In a cross between two fruit flies that are both heterozygous for the wing length allele, what are the expected genotypes? (0.5 point)
Answers
what is the chemical composition of earth's core?
Answers
Answer: metal—specifically, iron and nickel.
Explanation: Unlike the mineral-rich crust and mantle, the core is made almost entirely of metal—specifically, iron and nickel. The shorthand used for the core's iron-nickel alloys is simply the elements' chemical symbols—NiFe.
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