Answers
Answer:
1. A
2. C
3. C
Second page:
1. A
2. C
3. D
Explanation:
Related Questions
pleasse help very confused
Answers
The two correct statements that relate RNA, amino acids, and proteins are: A. RNA stores the genetic code and is transcribed into proteins. and C. Long amino acid sequences fold in specific ways to form proteins.
Statement A is correct. RNA (ribonucleic acid) plays a crucial role in storing and transmitting the genetic information. It carries the instructions from DNA to the cellular machinery involved in protein synthesis. Through a process called transcription, RNA molecules are produced by copying the genetic information encoded in DNA. These RNA molecules, known as messenger RNA (mRNA), carry the code from the DNA to the ribosomes, where protein synthesis occurs.
Statement C is also correct. Proteins are made up of long chains of amino acids that fold into specific three-dimensional structures. The sequence of amino acids determines the structure and function of the protein. The folding of the protein chain is driven by various interactions, including hydrogen bonding, electrostatic interactions, and hydrophobic effects. The specific folding pattern allows the protein to achieve its functional shape and perform its specific biological roles.
In summary, RNA plays a role in storing and transmitting genetic information, while proteins are formed from long sequences of amino acids that fold into specific structures. Therefore, Option A and C are correct.
The question was incomplete. find the full content below:
Which two statements correctly relate RNA, amino acids, and proteins?
A. RNA stores the genetic code and is transcribed into proteins.
B. Proteins are long chains of RNA that have been folded in specific ways.
C. Long amino acid sequences fold in specific ways to form proteins.
D. RNA is used to build amino acid sequences.
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3
Read the excerpt from Jane Eyre by Charlotte Brontë.
My head still ached and bled with the blow and fall I
had received: no one had reproved John for wantonly
striking me; and because I had turned against him to
avert farther irrational violence, I was loaded with
general opprobrium.
"Unjust!-unjust!" said my reason, forced by the
agonising stimulus into precocious though transitory
power.
What does John's attack of Jane most likely represent
about the human condition?
O cruelty toward the defenseless
O conflict between family members
O the victory of emotion over reason
O the power of the rich over the poor
Answers
The thing which John's attack on Jane most likely represents about the human condition is C. the victory of emotion over reason
What is a Narration?This refers to the use of a narrator to show the sequence of events and how they occurred in a given plot.
Hence, we can see that from the given narration, there is a description of the attack which the narrator had faced from John and how when she wanted to retaliate, her reason tried to stop her from engaging in further violence.
This shows the victory of emotion over reason as she did strike back when her emotions goaded her into taking action by stating that it was a shameful thing.
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Scientists have developed methods to insert the human gene for insulin into bacteria.
Why are bacteria a good target for this use of biotechnology to produce insulin?
A. Bacteria require insulin to survive, so the gene is more likely to be successful.
B. Bacteria are able to withstand a wide variety of conditions while producing insulin.
C. Bacteria reproduce quickly and pass on their genes to rapidly produce insulin.
D. Insulin-producing bacteria can be introduced into diabetics to deliver insulin.
Answers
Answer:
C)Bacteria reproduce quickly and pass on their genes to rapidly produce insulin.
Explanation:
This capacity for rapid reproduction enables the production of large quantities of genetically modified bacteria that can be used to mass-produce insulin for medical use. The other answer choices are not valid explanations for why bacteria are a good target for this application of biotechnology.
Create a poem about DNA replication. Explain all components and steps!
Answers
DNA replication is the process by which the genome's DNA is copied into cells.
How do you explain DNA replication?DNA Replication. This means by the hereditary material is related to most organisms, involving all cellular organisms, Before a cell divides, it must first copy (or replicate) its entire genome so that each following daughter cell ends up with its own complete genome. The procedure by which a copy of the DNA in a cell is made before the cell divides.
DNA replication is the procedure of copying and duplicating a DNA molecule. The process is held out in a semiconservative way. This means that the new DNA molecule will consist of two strands: one that is newly made and the other is the original strand.
So we can conclude that DNA replication is regulated by enlisting the replication machinery.
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Which of the follow is the largest in terms of the number of organisms?
Answers
Explanation:
We can consider numbers of species. Or, we can consider numbers of individual organisms. In terms of numbers of species, insects certainly represent the largest percentage of the world's organisms. There are more than 1 million species of insects that have been documented and studied by scientists.
Select all of the following scenarios that would require the cell to use energy in order to move materials through its membrane.
A. The movement of materials against their concentration gradient into the cell B. The movement of large proteins into the cell The movement of water down its concentration gradient out of the cell
C. The movement of large quantities of charged molecules into the cell
D. The movement of sugar through proteins down its concentration gradient into the cell
Answers
Answer:
D
Explanation:
because turn into protein and protein pass through the cell to go to the rest of the body.
What might account for the unusual results you obtained in the experiment in Part C? Select the two correct answers. Select the two correct answers. The unusual F1 female is heterozygous for an inversion involving the chromosome with the apricot, bristle and clipped loci. The unusual F1 female is heterozygous for a reciprocal balanced translocation involving the chromosome with the apricot, bristle and clipped loci. Crossing over within an inversion loop in the F1 female led to the 90 eggs that aborted development. Independent assortment of non-compatible chromosome structures (i.e., translocated and normal chromosomes segregating together) in the F1 female led to the 90 eggs that aborted development.
Answers
Answer:
The correct options are B "The unusual F1 female is heterozygous for a reciprocal balanced translocation involving the chromosome with the apricot, bristle and clipped loci" and D "Independent assortment of non-compatible chromosome structures (i.e., translocated and normal chromosomes segregating together) in the F1 female led to the 90 eggs that aborted development"
Explanation:
The unexpected results obtained earlier can be attributed to the two factors listed above. At the time when meisois takes place, there is the process of independent assortment which leads to formation of zygotes. Due to the event of translocation, the eggs produced lacked some critical development genes.
Which action would most reveal the creativity used by scientists developing a method to prevent beach erosion?
Answers
Breakwater is referred to the action would most reveal the creativity used by scientists developing a method to prevent beach erosion
What is Erosion?This is defined as the process in which the earth surface is worn or washed away as a result of factors such as water, wind etc.
Break water ensures that the waves from water and wind are unable to transfer from the soil thereby making it the creative innovation done by scientist
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.When this type of volcano erupts, very thin lava flows pour out in all directions from a central vent. What kind of volcano is pictured?
Shield volcano
nder cone volcano
composite volcano
pervolcano
Answers
The type of volcano that is pictured is Shield volcano. That is option A.
What is volcano?Volcano can be defined as the eruption of the gases, lava and ash through an opening from the earth crust.
There are various types of volcano an example of which is the Shield volcano.
The shield volcano is different from other volcanoes because they :
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lemon grass oil extracted by
Answers
Answer:
Cymbopogon citratus
if
Homologous chromosome are paired.
Answers
Homologous chromosomes are paired because they carry the same genes in the same order, although the alleles for each trait may differ.
During meiosis, the homologous chromosomes align during prophase I and exchange genetic material through a process called crossing over, which contributes to genetic diversity.In human beings, a pair of homologous chromosomes is present in every cell, one from each parent.
In females, the two X chromosomes are homologous pairs, while in males, the X and Y chromosomes are not homologous pairs since they carry different genes. During fertilization, the homologous chromosomes from the two parents pair up, and each gamete contains only one of each homologous chromosome.
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PLS HELP IM TIMED
Which human activity causes an immediate increase in the amount of greenhouse gases in the atmosphere?
A.
biological magnification
B.
burning fossil fuels
C.
deforestation
Answers
Answer:
b
Explanation:
On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.
types of microorganism and examples of them
Answers
Answer:
bacteria- salmonella, E. Coli
archaea- Acidilobus saccharovorans, Aeropyrum pernix
fungi- Mushrooms, yeast, and molds
protozoa- flagellate Trypanosoma
algae-green algae and brown algae
viruses- smallpox, flu
Hemophilia is a disease that causes uncontrollable bleeding. If a father has it, all of his daughters will be carriers of the disease.
Which macromolecule is involved in how hemophilia is passed from parents to their children?
carbohydrate
lipid
nucleic acid
protein
Answers
The macromolecule involved in the inheritance of Hemophilia is the nucleic acid, specifically DNA. Hemophilia is a genetic disorder transmitted through chromosomes which contain DNA. This leads to a mutation in blood clotting protein production.
Explanation:The macromolecule involved in how hemophilia is passed from parents to their children is the nucleic acid. More precisely, it is the DNA. Hemophilia is a genetic disorder that is transmitted through chromosomes. In humans, chromosomes consist of DNA, that carries genetic information.
The hemophilic father carries the mutated gene on one of his X chromosomes, which he can pass down to his daughter. When this happens, the daughter becomes a carrier of the condition, even though she might not show symptoms. The mutation in the DNA affects the body's ability to produce blood clotting proteins, leading to the symptoms of hemophilia.
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When recording euthanasia be sure to note the date, animal identification information, confirmed or tentative diagnosis, euthanasia method and
Answers
When recording euthanasia be sure to note the date, animal identification information, confirmed or tentative diagnosis, euthanasia method and final disposition.
The euthanasia record is an important document for veterinary practices and should be maintained according to state and federal regulations and the policies and procedures of your practice.
When recording euthanasia, be sure to note the date, animal identification information, confirmed or tentative diagnosis, euthanasia method, and final disposition.
Another important thing to note is that euthanasia should be considered only when alternative management options are not available or have been exhausted, when quality of life is poor, and when euthanasia is in the best interest of the animal.
All reasonable steps should be taken to minimize pain and distress during the process.
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List three tasks this type of scientist completes most days.
Answers
Which choice best summarizes the outcome of Redi’s experiment?
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The best summary of the outcome of Redi's experiment is that the experiment provided evidence against spontaneous generation by demonstrating that maggots do not spontaneously generate from decaying meat when it is isolated from flies.
Francesco Redi conducted an experiment in the 17th century to challenge the prevailing belief in spontaneous generation, which proposed that living organisms could arise spontaneously from non-living matter.
In his experiment, Redi set up two groups of jars containing meat. One group was covered with gauze to prevent flies from accessing the meat, while the other group was left uncovered.
Over time, Redi observed that maggots appeared only in the uncovered jars where flies had access to the meat, while the covered jars remained free of maggots.
This led Redi to conclude that maggots were the offspring of flies and did not arise spontaneously from the meat.
His experiment provided empirical evidence against the theory of spontaneous generation and contributed to the development of the concept of biogenesis, which states that living organisms come from pre-existing living organisms.
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______ are pathogens that cannot be killed with antibiotics because they are non-living. They take over cellular organelles to replicate and spread.
Answers
Answer:
Lymph
Explanation:
They produce antibodies and those antibodies cause pathogens to stick together and make it easier for phagocytes to engulf them
Answer:
Virus
Explanation:
Antibiotics can only kill Bacteria and Fungi. Virus, which is a non living pathogen, cannot be killed by antibiotics. virus insert its genetic material into host cells, co-opting the proteins to create viral replicates. These viruses break, or lyse, the cell and spread to other cells to continue the cycle.
15. Explain how it would be possible to have a change in a single base of DNA, but have the protein NOT change and be functional.
Answers
Answer:
Nonsense mutation. A nonsense mutation is also a change in one DNA base pair. Instead of substituting one amino acid for another, however, the altered DNA sequence prematurely signals the cell to stop building a protein. This type of mutation results in a shortened protein that may function improperly or not at all.Sep 21, 2020
Explanation:
3. A husband and wife have three children: two boys and one girl. The
father has hemophilia A. Neither of the boys has hemophilia A. The girl
is a carrier of hemophilia A. What are the possible genotypes of the
parents?
Answers
WILL GIVE BRAINLIEST IF YOU ARE CORRECT!!!
The photo shows members of a population of birds. What is the most likely effect of a tree-killing disease on these birds? O
A. Fewer nesting sites O
B. Increased food supply O
C. Decreased water supply O
D. More offspring
Answers
Answer:
A. Fewer Nesting Sites.
Explanation:
if birds are spreading a disease to the trees that kills them off then that would lead to birds having less places for shelter, since that's the main thing they use trees for, unless were talking specifically about fruit and nut producing trees, then it would not only be lost of nesting sites, but it would also eventually be a loss of a food source as well.
A. Fewer nesting sites
Explanation:
I just took the quiz
In 1998, paleoanthropologist Rick Potts published an article in The Yearbook of Physical Anthropology, a peer-reviewed journal. The article was titled “Environmental Hypotheses of Hominin Evolution.” In his paper, Potts claimed that great variations in environmental conditions over time were responsible for the adaptability of humans and the success of our species. Which would most likely be found in his paper?
Answers
This question is incomplete because the options are missing; here is the missing section:
Which would most likely be found in his paper?
A. A review of modern human anatomical structure.
B. Evidence of changing environmental conditions, with references.
C. The reasons competing hypotheses are wrong.
D. His opinion of what will happen to the survival of the human race.
The answer to this question is B. Evidence of changing environmental conditions, with references.
Explanation:
In texts such as scientific articles, the central point is expressed by the main claim or hypothesis as this is supported and explained through evidence in the articles. This means Potts article focuses on the environmental changes and how these contributed to the human species adaptability.
Due to this, it is expected the article explains the changes in environmental conditions, and the connection of these to adaptability. Moreover, because this is a scientific article all ideas should be supported with evidence collected by the author including references to other reliable sources. Thus, "evidence of changing environmental conditions, with references" is expected to be found in this article.
Answer: B
Explanation: I took the test :)
water is a renewable resource that is constantly generated through the water cycle . in what areas might the water cycle be most limited ?
A) Canada .
B) south Africa .
C) south America .
D) Northern Africa .
Answers
pls help<3 What is the end result of crossing-over during the first stage of meiosis?
a.the chromatids become non-sister (non-identical) chromatids
b.the chromatids contain the maternal DNA only
c.the chromatids are identical to each other
d.the paternal DNA only is copied onto the chromatids
Answers
Answer:
a
Explanation:
Because the chromatids now contain little bits of DNA from one another they aren't identical. hope it helps
While visiting Wave Rock in Australia, you observe streaks of minerals present on the landform. What natural process most likely caused the streaking?
Answers
The answer is deposition
Answer:
Deposition would have most likely caused the streaking.
Explanation:
Deposition is the laying down of sediment carried by wind, water, or ice. Sediment can be transported as pebbles, sand & mud, or as salts dissolved in water. Salts may later be deposited by organic activity or by evaporation.
One example of deposition is the process by which, in sub-freezing air, water vapor changes directly to ice without first becoming a liquid. This causes the water vapor to change directly into a solid. Another example is the soot that is deposited on the walls of chimneys.
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A week bond between two hydrogen molecules;found between water molecules and nucleotides in DNA
Answers
Answer:The weak bond between two hydrogen atoms, which is commonly found between water molecules and nucleotides in DNA, is called a hydrogen bond.
Explanation:
Answer: Hydrogen Bond
Explanation:
Genetic diversity decreases the more species there are in an area. True or False
Answers
Answer:
False. Genetic diversity tends to increase as the number of different species in an area increases. This is because diverse habitats support a wider range of ecological niches, which in turn support a greater variety of species and genetic diversity within those species. However, it's worth noting that other factors such as habitat fragmentation, invasive species, and climate change can also affect genetic diversity in complex ways.
Explanation:
Dr. Paul discovers a new chemical that he predicts will increase energy levels in hamsters. He designs an experiment to test his prediction.
Dr. Paul separates 12 hamsters into two equal groups. He gives one group of hamsters the chemical but does not give the chemical to the other group. He keeps everything else about the hamsters' living environment the same.
Over the next month, Dr. Paul measures the time that the hamsters spend running on their exercise wheels each day. He then calculates averages for these measurements, which are shown in the table below.
Week 1 Week 2 Week 3 Week 4
Average Time Spent on Wheel by Hamsters Given Chemical 4.4 hours/day 5.1 hours/day 5.6 hours/day 5.3 hours/day
Average Time Spent on Wheel by Hamsters Not Given Chemical 3.2 hours/day 2.5 hours/day 2.8 hours/day 3.0 hours/day
The data that Dr. Paul collects during his experiment
A.
are not valid because Dr. Paul did not use a control group in his experiment.
B.
support his prediction that the chemical will increase energy levels in hamsters.
C.
contradict his prediction that the chemical will increase energy levels in hamsters.
D.
are not valid because experiments cannot be done on living organisms.
Answers
Answer:
support his prediction that the chemical will increase energy levels in hamsters.
Explanation:
To test the hypothesis of an experiment, a Control group is required. So, whether the chemical is responsible for increase in energy or some other factor is not predicted.
Thus, option A is correct.
What is Control Group?A control group is taken as reference to check the validity of a hypothesis in an experiment. It is a randomly selected group.
In control group, the individuals, participants or the model organisms do not receive any kind of treatment. No experimental analysis is carried out on such group.
If the control group is missing, an experiment would be considered as incomplete. Here, Group 2 which does not receives chemical is not mentioned as control group.
Control group is necessary to include in any experiment because there are various other factors apart from environment that affect the rate of reaction in an experiment.
The two experimental groups cannot predict the outcome of an experiment.
Therefore, inclusion of control group is must in biological experiments.
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the colonies growing on blood agar, illustrated in the top image, are small, convex, entire, smooth, and light-yellow pigmented. gram stain revealed short gram-positive bacilli arranged in loose clusters. the key to the identification is the positive lecithinase activity on egg yolk agar (lower image). catalase and oxidase reactions were found to be positive and acid was produced from most carbohydrates. this is a soil organism occasionally causing nosocomial infections related to exposure to contaminated water. from these observations, select the presumptive identification of this isolate.
Answers
The majority of Haemophilus species are cultured on blood or chocolate agar plates because they all need at least one of the following blood factors to grow.
Can gram-positive bacteria grow on blood agar?
The hemolysin bacteria can be recognized by looking at the hemolysis in the zone. Gram-positive and Gram-negative bacteria, such as Staphylococcus aureus and uropathogenic E. coli, respectively, can both cause pneumonia and other serious illnesses. Because they are both hemolysin-producing organisms, they can both grow on blood agar.
What kind of agar is necessary to recognize the Haemophilus species that cause hemolysis?
The two species of hemolysis can be distinguished by inoculating the aforementioned cell suspension on heart infusion agar with 5% rabbit blood (or horse blood in the case of the agar infusion base). Additionally, a Haemophilus ID Quad plate may be used (see Section II).
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What are the types of honey bee?
Answers
Answer:
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