Answer:
make big yeast mushroom mmm
What is helicase?
a protein enzyme that unwinds DNA for DNA replication
a carbohydrate that unwinds DNA for DNA replication
a deoxyribo sugar that unwinds DNA for DNA replication
Answer:
I think the answer would be A because it is an enzyme, not a carbohydrate or a deoxyribo.
Why does DNA make a copy of itself during cell division?
A. To make sure that the two new cells can make the same proteins
as the parent cell
B. To make sure that the two new cells have slightly different genetic
codes
C. To carry amino acids out of the nucleus
D. To expose the genes that code for the needed proteins HELP FAST
Answer:
its A
Explanation:
I took the test
If a certain species of brown bird is crossed with a white one all the offspring are tan. If these offspring were crossed and produced 20 individuals in the f2 generation what colors and ratios would be expected?
Answer:
In the f2 generation:
10 of offspring would be tan (ratio form - 10:20)
5 of offspring would be white (ratio form - 5:20)
5 of offspring would be brown (ratio form - 5:20)
I need to breed all white mice for the genetics class visiting from a High School in a few weeks. I only have white males and black females. (Black is the dominant fur color) What would the genotype of the parent mice need to be to get the most white mice for my money? What genotypes would the
parents need to give only heterozygous offspring? Show each of these crosses (only heterozygous offspring, and maximum white offspring) on the Punnett squares below.
Answer:
Punnet squares for maximum white mice are above, but H e t e r ozygous white mice aren't possible if black is dominant. Because black will be expressed, rather than white.
If white can be dominant and black can be recessive then h e t e r ozygous white mice are possible. (Punnet squares for this situation are also attached)
out of 1200 students,960 in science,852in mathematics,120 failed in both subject and 84 did not appear in an examination.find the number of students who passed in both subject
Answer:
996
Explanation:
first we can take 84 out of the total of 1200 because they didnt even take a exam and then we can take 120 out of that because those are the students who failed which leaves us with 996 students who passed both subjects.
List one of the two ways you can measure enzyme activity.
Answer:
Biochemists usually study enzyme-catalysed reactions using four types of experiments:
Initial rate experiments. ...
Progress curve experiments. ...
Transient kinetics experiments. ...
Relaxation experiments.
hope it helps you
mark me as brainliest!!
Answer:
Enzyme assays can be split into two groups according to their sampling method: continuous assays, where the assay gives a continuous reading of activity, and discontinuous assays, where samples are taken, the reaction stopped and then the concentration of substrates/products determined
Explanation:
Can you breathe with a closed mouth? If yes how does air pass in?
Answer:
yes, through your nose
Explanation:
yes
What determines an organism's
phenotype?
A. age
B. genotype
C. random mutations
Answer:
A. age is correct
Explanation:
Answer:
Genotype
Explanation
What is number 16 please
Answer:
C
Explanation:
It's the closest one.
I am not to sure sorry
What are the two types of glaciers? Explain them.
label the following parts of an animal cell
I have no idea what the answer is but ill give points for CORRECT answers only!!!
Answer:
A
Explanation:
What is the answer to this question 11
Answer:
11 = multicellular ; autotroph
option D
hope it helps
Which of these is a downside of natural gas?
Answer:
B, extraction through fracking can contaminate groundwater.
Explanation:
Well, it's really the only downside available. Hope this helps :)
Mutations rII1 and rII2 are known to fall into the rIIA and rIIB cistrons (genes) respectively. Cells of E. coli B are infected simultaneously with phage strains rII1 and rII2 at a high moi. The progeny phage are collected and used to infect cells of E. coli K. This infection is also carried out at a high m.o.i., and the resulting phage are collected. These progeny are diluted and plated on both E. coli B and E. coli K. Do you expect more plaques on strain B, on strain K, an equal amount on both or is it impossible to tell?
A. E. coli B
B. E. coli K
C. Equal on both
D. Can't tell
Answer:
the answer is A. E. coli B
Explanation:
The multiplicity of infection (MOI) refers to the ratio between the numbers of viruses used to infect E. coli cells and the numbers of these E. coli cells. Benzer carried out several experiments in order to define the gene in regard to function. Benzer observed that E. coli strains with point mutations could be classified into two (2) complementary classes regarding coinfection using the restrictive strain as the host. With regard to his experiments, Benzer observed that rII1 and rII2 mutants (rapid lysis mutants) are complementary when they produce progeny after coinfect E. coli K (where neither mutant can lyse the host by itself). The rII group of mutants studied by Benzer does not produce plaques on E. coli K strains that carry phage λ (lysogenic for λ), but they produce plaques on E. coli B strains. This study showed that rIIA and rIIB are different genes and/or cistrons in the rII region.
For several years,researchers have atempted to produce AB artificial blood for transfusions. Artificial blood would most likely to be safer and more readily available than human blood.while the artificial blood might not have all the characteristic of a human blood, it would be useful on the battlefield and in emergency situations. which characteristics of normal blood must artificial blood have to be useful and which would probably be too difficult to produce .
Answer:
It is a good concept but can't be used.
Explanation:
Producing artificial blood is a good concept but it can't take the place of real human blood because the artificial blood has many disadvantages which can cause great damage to our body such as binds nitric acid that affected blood flow, increases the level of bilirubin, amylase and lipase in the blood and also cause overload of iron in your organs or tissues so that's why it can't be used instead of original human blood but may be in the future if these complications are removed.
As a result of mitosis, the cells of a multicellular organism share which of these properties? Select two correct answers.
Explanation:
multicellular organisms rely on mitochondria & getting food supplies by bloodstream...
what is meant by aseptate coenocytes
Answer:Filamentous fungi may contain multiple nuclei in a coenocytic mycelium. A coenocyte functions as a single coordinated unit composed of multiple cells linked structurally and functionally, i.e. through gap junctions. Fungal mycelia in which hyphae lack septa are known as "aseptate" or "coenocytic".
Coenocytic cells are present in diverse and unrelated groups of algae, including Xanthophyceae, red algae and green algae.
In the siphonous green algae Bryopsidales and some Dasycladales the entire thallus is a single multinucleate cell, which can be many meters across. However, in some cases, crosswalls may occur during reproduction.
Explanation:The green algal order Cladophorales is characterized by siphonocladous organization, i.e., the thalli are composed of many coenocytic cells.
In contrast to the Cladophorales where nuclei are organized in regularly spaced cytoplasmic domains, the cytoplasm of Bryopsidales exhibits streaming, enabling transportation of organelles, transcripts and nutrients across the plant.
Mendel demonstrated which of the following about inherited traits? Check all that apply.
certain traits are more likely to appear than their alternatives.
some traits show blending inheritance.
traits segregate among the offspring of a cross.
traits can be hidden in some generations, but subsequently reappear unchanged in future
generations.
parents that both have the same trait can have offspring with an alternative trait.
Answer:
The correct answer would be -
certain traits are more likely to appear than their alternatives.
traits segregate among the offspring of a cross.
traits can be hidden in some generations, but subsequently, reappear unchanged in future generations.
parents that both have the same trait can have offspring with an alternative trait.
Explanation:
Mendel is known as the father of genetics for his tremendous work in the field of genetics by performing experiments on the pea plants which contribute to the make the law of inheritance. According to all three laws of inheritance and experiments performed by Mendel, he demonstrated inheritance patterns in the traits or the alleles inherited to the next generation.
Certain traits that are dominant are more likely to appear than their recessive alternatives. Trait segregates when gametes form during the cross. In heterozygous cases, some traits can be hidden but can reappear unchanged in future generations.
Perhaps one of the most famous cases of brain trauma and subsuquent brain trauma research was that of a man
named Phineas Gage. Gage was a railroad worker in the 19th century. One day he accidentally set off an explosive that
sent a metal rod through his skull. The picture above shows the rod's entrance through his left cheek bone and exiting
through his anterior frontal lobe of the brain.
Gage survived his accident but family, friends and co-workers noted he was a different man afterwards. What aspect of
Gage's life did the damage to the frontal lobe of his brain affect?
A)
his speech
B)
his vision
his personality
D)
his visual motor coordination
Answer:
his personality
Explanation:
Aspects of his personality were greatly affected. Before the accident, he was highly regarded as a devoted, caring, hard-working man. Afterwards, he was vulgar, nasty and irresponsible. His former employer refused to hire him after the accident due to the drastic change in his personality.
The frontal lobe is responsible for aspects of the human personality, along with decision making/reasoning, emotion, and memory formation.
How much energy is passed from an organism that is a producer to an organism that is a primary consumer?
A. 90%
B.100%
C. 10%
Why is it difficult to develop antiviral medications?
Answer:
Answer:Designing safe and effective antiviral drugs is difficult because viruses use the host's cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism's cells.
Answer:Designing safe and effective antiviral drugs is difficult because viruses use the host's cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism's cells.Explanation:
Answer:Designing safe and effective antiviral drugs is difficult because viruses use the host's cells to replicate. This makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism's cells.Explanation:hope this help you.........
How do the vrg and drg control and regulate the respiratory rate?
Answer:
The ventral respiratory group (VRG) and the dorsal respiratory group (DRG) within the medullary rhythmicity area cooperate to establish the pattern for spontaneous ventilation and basal rate of ventilation which may be adjusted by impulses from related respiratory control centers in the pons; the ventral respiratory group (VRG) contains both inspiratory and expiratory neurons; the autorythmic inspiratory neurons stimulate the diaphragm and external intercostals for approximately 2 seconds to cause inspirations and then the antagonistic expiratory neurons fire for approximately 3 seconds to permit passive or stimulate active expirations; thereby inspiratory and expiratory neurons cooperate in a negative feedback control relationship, setting the basic rhythm of respiration (spontaneous ventilation, resting or tidal breathing (eupnea)); the dorsal respiratory group (DRG) neurons are involved in altering the pattern for ventilation in response to the physiological needs of the body for O2 and CO2 exchange and for blood acid-base balance; these neurons stimulate neurons in the ventral respiratory group (VRG) to achieve those effects; they are responsive to sensory information from chemoreceptors and mechanoreceptors.
Explanation:
Which of the following best describes a precipitate?
A measure of mass per unit of volume
A solid separated from a solution
A form of weather
A clear indication of a physical change
Answer:
In chimica, un precipitato è un solido insolubile che emerge da una soluzione liquida. L'emergenza del solido insolubile dalla soluzione è chiamata precipitazione. Spesso il precipitato emerge come una sospensione. I precipitati possono formarsi quando due sali solubili reagiscono in soluzione per formare uno o più prodotti insolubili.
Explanation:
A solid separated from a solution best describes a precipitate. So, the correct option is B.
What is Precipitate?Precipitation is the process of formation of a solid substance in a solution, either by physical mixing of low-solubility chemicals or by a chemical reaction of two or more compounds. Precipitate refers to the solid that eventually forms as a result. A solid that separates from a solution during a chemical reaction is known as a precipitate.
When two or more compounds are combined, they react to form an insoluble product, which is how it is formed. A precipitate may take the form of a suspension in solution or a solid that settles to the bottom of a solution. It can be removed from a liquid using a number of techniques, including filtration and centrifugation. Many chemical reactions require precipitates, which are often used to separate, purify, or identify different compounds.
Therefore, the correct option is B.
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Agree or disagree with the following statement:
It is lifestyle choices, such as smoking tobacco, rather than air pollution that causes the large number of respiratory diseases found in today’s society.
Answer:
Agree
Explanation:
What causes an air parcel to cool?
Answer:
A rising parcel of air expands because the air pressure falls with elevation.This expansion causes the air to cool. (I took help from book)
Plzzz help A librarian wants to yo knows what genres of books are most popular. He looks up the top 10 checked out books in the library’s computer system is it a observational study or a survey or a experiment?
Answer: Observational study
Explanation:)
What is the main source of energy for the world
Match the following terms to their definitions.
1. The epithelial membrane that lines the closed ventral cavities of the body.
2. The epithelial membrane that lines body cavities open to the exterior membrane.
3. Consists of keratinized stratified squamous epithelium.
4. Found lining the digestive and respiratory tracts.
5. Makes up the pleura and pericardium.
a. Cutaneous
b. Serous membrane
c. Mucous membrane
d. Endothelium
The matching of a term with respect to their definitions is as follows:
The epithelial membrane that lines the closed ventral cavities of the body is the Serous membrane.The epithelial membrane that lines body cavities opens to the exterior membrane is the Mucous membrane.Cutaneous consists of keratinized stratified squamous epithelium.The Mucous membrane is found in the lining of the digestive and respiratory tracts.The serous membrane makes up the pleura and pericardium.What is an Epithelial membrane?An epithelial membrane may be defined as a membrane that constructs from epithelial tissue attached to a layer of connective tissue.
There are three types of epithelial membranes:
mucous that contain glands.serous that secrete fluid.cutaneous that makes up the skin.Therefore, it is well described above.
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the role of _________ is to break down dead organisms, returning nutrients to the soil.
Answer: Decomposers
Explanation: Decomposers break down dead and decaying organisms, and return the nutrients to the soil for the plants.