Answer:
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➟ Chromosomes consist of DNA and protein.ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
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2. A scientist wants to clone a molecule bearing UniProtKB accession number P43657. How will he come to
know about the following?
I. Exact genomic location of the molecule under investigation
II. Coding and noncoding segments of the molecule
III. Untranslated regions of the molecule
Answer:
II. Coding and noncoding segments of the molecule
Explanation:
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Crabs have paddle-like appendages to help them swim called
———————————————
Answer:
The correct answer is - Swimmerets.
Explanation:
Swimmerets are small paddle-like appendages that are modified pairs of legs near the rare. or attached to the abdomen. These paddle-like appendages are help crabs to swim and also helps in carrying and aerating eggs.
These are present in lobster, and shrimps as well as swimming crabs. These are the modification of the legs of the crabs in order to better swimming and brooding of the eggs.
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A ransom note is left at the scene of a kidnapping. Investigators ask a forensic linguist to look at it. What possible information might the linguist be looking for on the note?
Phrases that are used only in one area of the country
The chemical makeup of the ink used
The color of the ink that was used and where it came from
How much money the suspect is asking for
Answer:
Phrases that are used only in one area of the country
Explanation:
Correct on the test :)
What are two outcomes of this pairing that increases genetic variation
Answer:
It is the last option
Explanation:
What is the rapid change in a membrane's potential caused by the depolarization of a neuron?
Answer:
During depolarization, the membrane potential rapidly shifts from negative to positive. As the sodium ions rush back into the cell, they add positive charge to the cell interior, and change the membrane potential from negative to positive.
Explanation:
Alleles are described as ____________________. homologous chromosomes homologous chromosomes alternate versions of a gene alternate versions of a gene alternate phenotypes alternate phenotypes environmental factors that affect gene expression
Answer:
The correct answer is - alternate versions of a gene.
Explanation:
In a cell, if there are two copies of each chromosome, these are called homologous chromosomes, one come from the father and the other comes from the mother, which helps in promoting the variety and stability of a species.
Different or alternate versions of genes are possible that can result in two phenotypes for the same trait, these alternate versions called alleles. Alleles can be dominant and recessive.
Identify the complementary strand of DNA with the sequence: ACC GTA TCG
1.) GTT ACG CTA
2.) ACC GTA TCG
3.) CAA TGC GAT
4.) TGG CAT AGC
Answer:
4
Explanation:
because it's there opposite letter
Answer:
4 b.c a is equal with t and g is equal to c
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Briefly explain how water shortage can result in a loss of biodiversity.
Hunter is on a waiting list for a kidney transplant after his kidneys shut down and he went into renal failure. What can help keep Hunter alive by filtering his blood until he receives his transplant? chemotherapy antibiotics dialysis ultrasounds
Answer: C: dialysis
Explanation:
c. dialysis
Answer:
c
Explanation:
Hyperglycemia (elevated blood sugar levels), such as would happen in diabetics, can damage the glomeruli.
a. True
b. False
Answer:
True
Explanation:
Hyperglycemia which means high Glucose level in the blood as a result of lack of insulin can damage the glomeruli. This interfere with the function of the glomeruli. Normally glomeruli fiters blood and remove nutrients to form urine but hyperglycemia will affect it's negatively and will make protein to leak from the blood into the urine. This can also lead to glomeruli called glomerulosclerosis.
Describe what the plant looks like, including descriptions of any flowers or seeds, so that the farmer or rancher could identify the plant. Discuss the typical habitat for this plant. Where is this plant most likely to be found
• Write the biofuel and biogas chemical formulas. Explain why biofuel and biogas are still considered energy-dense molecules. Compare the chemical makeup of each component to carbon dioxide, which is produced when glucose is completely oxidised.
Answer:
diesel fuel is C12H23 whereas Methane is CH4.
Explanation:
The chemical formula for common diesel fuel is C12H23 while o the other hand, the formal of biogas such as Methane which is CH4. Both are organic compounds due to the presence of hydrogen and carbon. Biofuel and biogas are still considered energy-dense molecules because they have more mass and produced large amount of energy from it. The main difference between Carbondioxide gas and biofuel is that there is no hydrogen present in the formula of carbondioxide gas.
please help me arrange this
1.Yellow
2.Blue
3.Pitch
4.Purple
5Green
The R and S loci are 35 m.u. apart. If a plant of genotype is selfed, what progeny phenotypes will be seen and in what proportions
Complete question:
The R and S loci are 35 m.u. apart. If a plant of genotype RS/rs is selfed, what progeny phenotypes will be seen and in what proportions
Answer:
R-/S- = 0.6052 R-/ss = 0.1443rr/S- = 0.1443rr/ss = 0.1056Explanation:
Available data:
R-S are 35 mu apartCross: RS/rs x RS/rsFirst, we need to recognize the parental gametes and the recombinant ones.
Cross:
Parentals) RS/rs x RS/rs
Gametes) RS Parental ⇒ Equal to the parental genotype
rs Parental ⇒ Equal to the parental genotype
Rs Recombinant ⇒ Product of recombination
rS Recombinant ⇒ Product of recombination
We know that genes are 35 MU apart from each other. The map unit is the distance between the pair of genes for which every 100 meiotic products, one of them results in a recombinant one.
To calculate the recombination frequency, we have to know that 1% of recombinations = 1 map unit = 1cm. And that the maximum recombination frequency is always 50%.
According to this information, if 1 MU = 1% recombination frequency, then
35MU --------- 35% recombination frequency = 0.35
Now, let us calculate the frequency of each gamete type.
35 map units = 35 % of recombination in total
= % Rs + % rS
= 17.5% Rs + 17.5% rS
Now, if the recombination frequency equals 35% then the parental frequency is 100% - 35% = 65%
65 % parental frequency = % of RS + % rs
= 32.5% RS + 32.5% rs
The frequency of each gamete is
RS ⇒ Parental ⇒ 32.5% (65% / 2) = 0.325rs ⇒ Parental ⇒ 32.5% (65% / 2) = 0.325Rs ⇒ Recombinant ⇒ 17.5% (35% / 2) = 0.175rS ⇒ Recombinant ⇒ 17.5% (35% / 2) = 0.175F1 Genotypes and Proportions
RS/RS = 0.325 x 0.325 = 0.1056 RS/Rs = 2x 0.325 x 0.175 = 0.1137RS/rS = 2x 0.325 x 0.175 =0.1137 rs/rs = 0.325 x 0.325 = 0.10562rs/RS = 2x 0.325 x 0.325 = 0.2112rs/Rs = 2x 0.325 x 0.175 = 0.1137rs/rS = 2x 0.325 x 0.175 = 0.1137Rs/rS = 2x 0.175 x 0.175 = 0.061Rs/Rs = 0.175 x 0.175 = 0.0306rS/rS = 0.175 x 0.175 = 0.0306F1 Phenotypes and Proportions
R-/S- = 0.1056 + 0.1137 + 0.1137 + 0.2112 + 0.061 = 0.6052 R-/ss = 0.1137 + 0.0306 = 0.1443rr/S- = 0.1137 + 0.0306 = 0.1443rr/ss = 0.1056
If R and S loci are 35 m.u. apart and a plant of genotype RS/rs is selfed, then the progeny phenotypes will be 0.606 RS; 0.106 rs; 0.144 Rs and 0.144 rS.
In this case, it is imperative to estimate gamete frequencies
RS = 0.65% / 2 = 0.325rs = 0.65% / 2 = 0.325Rs (recombinant) = 0.35 / 2 = 0.175rS (recombinant) = 0.35 / 2 = 0.175In consequence, the F1 genotypes will be RS/RS = 0.1056 (i.e., 0.325 x 0.325); RS/Rs = 0.1137; RS/rS = 0.1137; rs/rs = 0.10562; rs/RS = 0.2112; rs/Rs = 0.1137; rs/rS = 0.1137; Rs/rS = 0.06; Rs/Rs = 0.0306; and rS/rS = 0.0306.Finally, it is possible to obtain phenotypic frequencies by summing genotypic frequencies for each case in particular.In conclusion, if R and S loci are 35 m.u. apart and a plant of genotype RS/rs is selfed, then the progeny phenotypes will be 0.606 RS; 0.106 rs; 0.144 Rs and 0.144 rS.
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Assume similar data for the motion of the blood in a carotid artery which connects the aorta to the brain. Estimate how many beats of the heart it will it take the blood to get from your aorta to your brain. (Assume that the distance from your aorta to your brain is 30 cm.)
Answer:
4 beats
Explanation:
The number of beats of the heart that will take blood from Aorta to The Brain
n = Distance from Aorta to brain / distance per beat
Given that distance per beat = 7.5 cm ( calculated value outside scope of question using the data attached below)
n = 30 cm / 7.5 cm
= 4 beats
what's a characteristic of a consumer (in science)
name two ways in which roundworms are anatomically similar to arthropods
The authors describe an important experiment in which scientists showed strong support for the hypothesis that bdelloid rotifers have reproduced asexually for millions of years. Briefly describe the results from their experiment that supported this conclusion
Answer:
Bdelloid rotifers are small metazoans, a class of very small invertebrates that can visible through a microscope only. They reproduce asexually and found in temporary or permanent freshwater.
Bdelloid rotifers population shows only females in this population and Males not found yet, which suggests that females asexually produce identical progeny. The process called parthenogenesis. The organisms that sexually produced their DNA has two copies of the genome that may or may not be identical but in case of asexual reproduction, there are always identical copies produce.
Which paint should be used on the absorber plate if it is designed to absorb the greatest possible amount of insolation? *
Which of the following kinds of cells perform basic functions such as obtaining energy from food?
Plant cells, but not animal cells
Animal cells, but not plant cells
Both plant cells and animal cells
Neither animal cells nor plant cells
Answer:
Both plant and animal cells
Explanation:
Answer:both plant cells and animal cells
Explanation:generally, cells obtain energy from food during cellular respiration where glycolysis takes place
Rheumatoid arthritis is commonly associated with the presence of rheumatoid factor autoantibodies in the bloodstream. This indicates that rheumatoid arthritis is likely to be a. an infective process. b. caused by bacterial infection. c. an autoimmune process. d. because of an enzymatic defect.
Answer:
The correct answer is - c. an autoimmune process
Explanation:
Rheumatoid arthritis is a disease or condition that affects the joints mainly by swollen, and painful joints. It is an autoimmune disease as the person's own immune system attacks the body.
The presence of rheumatoid factor autoantibodies states that it is an autoimmune process. There are other autoantibodies also associated with this type of arthritis that are rheumatoid factors (RF), anti‐keratin antibodies (AKA), anti‐filaggrin antibodies (AFA), and anti‐perinuclear factor (APF).
Match these items.
1. an atom that has gained or lost electrons
____base
2. produces OH - ions when added to water
____acid
3. produces H+ ions when added to water
____ion
ILL GIVE BRAINLIEST why do some medications developed to work on viruses not work on a mutated form?
Answer: They adapt and become resistant
Explanation:
Just as many organisms adapt to survive the main goal of a virus is to also survive by mutating it’s becoming resistant to previous medicine
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The antibiotic susceptibility testing result of Staphylococcus aureus showed absence of growth on the zones of penicillin, ampicillin, tetracycline, chloramphenicol disk. Interpret the result.
Answer:
See Explanation
Explanation:
We define antibiotic susceptibility testing as an evaluation of the ability of antibiotics to inhibit bacterial growth. This test is necessary because certain bacteria may have developed resistance to certain antibiotics.
Hence, if the antibiotic susceptibility testing result of Staphylococcus aureus showed absence of growth on the zones of penicillin, ampicillin, tetracycline and chloramphenicol disk, then it implies that these antibiotics are all largely effective against Staphylococcus aureus and could be used for treatment of Staphylococcus aureus infection.
Which statement does NOT describe an acquired trait of a plant or animal? A) Traits that occur after an organism is born. B) Traits that can be caused by environmental factors. C) Traits that are not passed down from generation to generation. D) Traits that are seen in the organism's physical characteristics like eye or hair color.
Answer:
A) traits that occur after an organism is born
Explanation:
Genetic drift is a change in the gene pool due to chance. Genetic drift increases as the
population decreases. What accounts for this relationship?
Answer:
c
Explanation:
Generally, coral reefs are found in shallow waters between ______ degrees N latitude and ______ degrees S latitude.
Answer:
30 degrees;
30 degrees
Explanation:
Coral reefs are formed when the skeleton of the corals merge and combine with each other. The formation of coral reefs takes many years . Corals are the organism living in the ocean. They live in dense colonies and clusters. Coral reefs provides an ecosystem for other marine organisms to live in. The species live in the coral reefs and maintain their population. Corals live in the region of the ocean that has warm water and between the latitudes of 30 degrees North and 30 degrees South.
In addition to the transmission electron microscope (TEM), there is another type of electron microscope that is frequently used for specific purposes when studying cells and tissues, and even whole organisms. This microscope is called a scanning electron microscope (SEM). Use your lab manual, its support resources, and/or the Internet to investigate the use of scanning electron microscopy for biological applications. After gathering this information, please answer the following question. When would it be appropriate to use the SEM rather than the TEM
Answer:
The basic difference between SEM and TEM is that TEM generates an image with the assistance of radiation that goes through the specimen, while the images generated by the SEM take place with the assistance of electrons getting released from the surface of the specimen.
SEM is primarily used to examine the composition of the surface, with the help of SEM one can study the microbes present in the ecological niche like in the lining of the gut and human skin. Due to its great depth, it is considered the electron microscope analog of a stereo light microscope. It helps in providing complete images of the cells present on the surface, which are not easy to get with the help of TEM. Due to its enhanced functionality, it can also be used for size determination and particle counting, and also for process control.
13. Which kingdom is known as a decomposer? A. Fungi B. Plantae C. Protista D. Animalia Dentisthenia
Answer:
fungi
Explanation:
.......................
Answer:
I think it's D
Explanation:
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