Answer:
Here are some ideas:
No other blood type can donate to anyone regardless of recipient's typeIt is the universal blood type Most commonly used type for transfusions; therefore it is in high demandHope this helped!
9. Which of the following is the independent variable in the experiment?
a. Soil
b. Amount of water
C. Temperature
d. Color of light
Answer:
b
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I’m clueless, help me please thank you
A specific genetic disorder is caused by nondisjunction . Which statement describes how the genetic disorder occurs?
The statement that describes how genetic disorder such as nondisjunction occurs is that there is failure of homologous chromosomes to disjoin correctly during meiosis.
What is a genetic disorder?A genetic disorder is defined as the type of disorder that occurs in the hereditary materials of a living organism which can be passed from them to their offspring.
A typical example of genetic disorder is the aneuploidy which is caused by nondisjunction.
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Which correctly list the three gases that each make up less than 1 percent of Earth’s atmosphere?
Carbon dioxide
Aargon
Water vapor
Which of the following statements is true?
a. Energy can be recycled through an ecosystem repeatedly, while nutrients cannot
b. Energy only flows in one direct through an ecosystem, while nutrients can be recycled repeatedly
c. Both energy and nutrients can be repeatedly recycled through an ecosystem
d. Neither energy nor nutrients can be reused in an ecosystem.
Answer:
B Energy only flows in one direct through an ecosystem, while nutrients can be recycled repeatedly
Explanation:
PLS HELP A student has four snails, four sprigs of Elodea, eight test tubes of bromothymol blue, and two rooms (light and dark). The student wants to know what gases are produced by the snails and Elodea in light and dark conditions. Assuming the student only has time for one experiment, what setup will yield the most complete data? All test tubes contain bromothymol blue. Experiment 1: Light room with test tubes A to D. A contains 1 snail. B contains Elodea. C is empty. D contains 1 snail and Elodea. Dark room with test tubes E to H. E contains 1 snail. F contains Elodea. G is empty. H contains 1 snail and Elodea. Experiment 2: Light room with test tubes A to D. Each test tube contains 1 snail. Dark room with test tubes E to H. Each test tube contains Elodea. Experiment 3: Light room with test tubes A to D. Each test tube contains 1 snail and Elodea. Dark room with test tubes E to H. Each test tube is empty. Experiment 4: Light room with test tubes A to D. A contains 2 snails and Elodea. B contains 1 snail. C and D are empty. Dark room with test tubes E to H. E contains Elodea. F contains 1 snail and Elodea. G and H are empty. a. Experiment 1 b. Experiment 2 c. Experiment 3 d. Experiment 4
Answer:
Its A Experiment 1
Explanation:
The typing of human blood is determined by three alleles: A, B, and O. Alleles A and B are codominant to one another and O is recessive to both alleles, A and B.
AA/ AO – type A blood, AB – type AB blood, BB/ BO – type B blood, OO – type O blood.
A woman who is homozygous for type B blood marries a man who is heterozygous for type A.
What is the genotype ratio of their offspring?
What is the phenotype ratio of their offspring?
A female homozygous for blood type B marries a male heterozygous for blood type A, the offspring will be 75% AB and 25% Bo.
What is the genotype ratio of your offspring?AB 75% BO 25%What is the phenotypic ratio of your offspring?75% codominate AB zygotes25% B heterozygous.What is a heterozygous being?Homozygous and Heterozygous, in genetics, are individuals who have pairs of genes that are identical or different alleles. This means that while the homozygote has two identical genes alleles, with the heterozygous beings the opposite happens, since they have two different genes alleles.
With this information, we can conclude that a female homozygous for blood type B marries a male heterozygous for blood type A, the offspring will be 75% AB and 25% Bo.
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Which of the following does not add CO2 to the atmosphere? Cooking with gas or Planting trees Or Burning wood Or
Riding in a bus
Answer:
Planting trees does not add CO2 to the atmosphere
Explanation:
How many fundamental laws of inheritance did Gregor Mendel come up with?
Answer:
The three laws of inheritance proposed by Mendel include: Law of Dominance. Law of Segregation. Law of Independent Assortment.
Explanation:
In 1-3 sentences, explain the structure and function of an enzyme.
Answer: Enzymes are life’s great facilitators. They create the conditions needed for biochemical reactions to happen fast. The general name that chemists use for chemical entity that increases the speed of a reaction is “catalyst.” Enzymes are biological catalysts they catalyze the chemical reactions that is happen inside living things.
Explanation:
n Drosophila melanogaster the allele for wild-type tan body color (B) is dominant to the recessive allele for black body color (b). Similarly, the allele for wild-type wing shape (V) is dominant to the recessive allele for vestigial wings phenotype (v). In the cross diagrammed above, the expected and observed results are shown. Which of the following best explains the observed results of the cross.
Expected BbVv-- 862, bbvv-- 862, Bbvv-- 862, bbVv--862
Observed BbVv-- 1447, bbvv-- 1416, Bbvv-- 309, bbVv-- 277
The observed results of the cross in Drosophila melanogaster show deviation from the expected results, indicating that epistasis is occurring.
Epistasis is a phenomenon where the expression of one gene affects the expression of another gene. In this case, the interaction between the B and V genes is affecting the expression of their respective traits.
Specifically, it appears that the V gene is epistatic to the B gene, meaning that the presence of the dominant V allele is masking the expression of the recessive b allele in the Bbvv genotype.
This can be seen in the observed numbers, where the Bbvv genotype is less than expected, indicating that the presence of the dominant V allele is leading to a higher expression of the wild-type wing shape.
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how are genetically modified organisms used in biotechnology for medicine. please help me!
Answer:
Genetically modified organisms (GMOs) are used in biotechnology for medicine to produce therapeutic proteins, such as insulin and growth hormone, and to create genetically modified cells for use in gene therapy. Additionally, GMOs are also used in the production of vaccines.
Answer: How? I shall explain...
Explanation:
So Biotechnology is the mix of natural sciences and engineering sciences in order to achieve applying organisms, cells and organic matter for products and services.
Think about if someones DNA has malfunctioned and the scientists need to change it. They use bio-engineered cells to go in the nucleolus of the cell and edit the DNA. (To the best of my tiny knowledge)
Scientists can't perform molecular sized operations for cells and organisms, so they use bio-engineered cells to do it. (Tell me if I'm wrong)
They can also create situations in contained environments to experiment with modified cells to see the results.
Can someone please help
What are the advantages of asexual reproduction?
Answer:
No intercourse needed.
Explanation:
Answer:
The advantages of asexual reproduction include:
the population can increase rapidly when the conditions are favourable.
only one parent is needed.
it is more time and energy efficient as you don't need a mate.
it is faster than sexual reproduction.
Explanation:
Hope this helps u out!!
Please help!!!! Which system are most affected when a person is participating in the long jump ?
Answer:
i think in my choice
Explanation:
The individuals stomach may be affected cause they have to do a long jump anfd they might also be hurt in legs or hannds. hope it helps
I WILL GIVE YOU BRAINLYEST!! ANSWER THESE TWO QUESTIONS PLSS!!
Using your own words, can you describe
the meaning of a watershed?
How are groundwater and surface water different?
PLS HELP ME!! And have a great day!
Watershed is like where rainwater gathers to then be drained off into like a pond or river.
Surface Water is just water in like lakes and ponds while ground water is underneath the surface of the Earth.
Best of luck!
HELPThe Punnett square shows the possible genotypecombinations of two parents who are homozygous fora trait.WWW WWWwWWWWwWhat is the probability of the parents having a childthat is heterozygous for this trait?O 0%O 25%O 75%O 100%
As we can see in the punnet square we have a recessive homozygous and a dominant homozygous, in the possible combinations that can have the offspring, that is to say the letters inside square we can see that all are heterozygus, e
DNA–mRNA–Protein (Central Dogma). Which of the following would block mature mRNA from being translated into protein?a. A substance that prevents the transfer of amino acids to the growing polypeptide chainb. A substance that causes a mutation in DNA templatec. A substance that blocks the active site of RNA polymerased. A substance that prevents the mRNA processing
The answer to this question is: option d. A substance that prevents the mRNA processing would block mature mRNA from being translated into protein.
DNA–mRNA–Protein is called the central dogma of biology. mRNA processing is a crucial step in gene expression where pre-mRNA molecules undergo various modifications before being exported to the cytoplasm for translation into proteins. During mRNA processing, introns are spliced out, a 5' cap is added to the mRNA, and a poly(A) tail is added to the 3' end. If this processing step is blocked, the mature mRNA will not be produced, and therefore, it cannot be translated into protein.
Option a. A substance that prevents the transfer of amino acids to the growing polypeptide chain would block the elongation phase of protein synthesis, but it does not block the translation of mature mRNA.
Option b. A substance that causes a mutation in DNA template would affect the coding sequence of the mRNA and ultimately lead to a different protein product, but it would not necessarily block the translation of the mature mRNA.
Option c. A substance that blocks the active site of RNA polymerase would prevent the transcription of DNA to RNA, which would ultimately lead to the absence of mature mRNA and subsequently no protein production.
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the interatrial opening, which results in the interatrial partition remaining functionally incomplete up to the time of birth, is known as
The interatrial opening, which results in the interatrial partition remaining functionally incomplete up to the time of birth, is known as the interatrial septal defect (IASD).
An interatrial septal defect is a congenital heart defect that occurs when there is an abnormal opening in the interatrial septum, the wall that separates the right and left atria of the heart. The interatrial septum is not fully developed at birth, which results in a functional opening between the atria. This can cause blood to flow from the left atrium to the right atrium, leading to a decrease in the amount of blood that can be pumped out of the heart and a decrease in cardiac output.
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What else erupts besides lava?? PLEASE SOMEONE HELP ME ASAP
Answer:
Smoke would make sense but I cant be sure. Is it a multiple choice question?
(also it could be water from a geyser)
How many cells can you find in anaphase?
Anaphase is the fourth phase of mitosis, the process that separates the duplicated genetic material carried in the nucleus of a parent cell into two identical daughter cells.
if the trp operon from e. coli was cloned between a ubiquitous eukaryotic promoter and a strong eukaryotic transcriptional termination sequence, how would this operon function in a eukaryotic cell?
If trp operon from E.Coli is cloned between a ubiquitous eukaryotic promoter and a strong eukaryotic transcriptional termination sequence then it will get transcribed but the structural genes will not get translated.
Bacteria such as the Escherichia coli need amino acids in order to survive they also need to build proteins. One of the amino acids which they require is tryptophan. If tryptophan happens to be present in the environment, E. coli is able to take it up and use it and it can also make its own tryptophan by using enzymes that are encoded by five genes which are present in the trp operon.
When the trp operon is cloned between a ubiquitous eukaryotic promoter and a strong eukaryotic transcriptional termination sequence then we will observe that the entire trp operon will get transcribed but none of the structural genes of this trp operon will be able to get translated regardless of the level of tryptophan in the cell.
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A grower who wishes to enhance plant growth by adjusting the carbon dioxide levels in the greenhouse will use a(n) _________as analyzer to evaluate CO2 levels.
A grower who wishes to enhance plant growth by adjusting the carbon dioxide levels in the greenhouse will use a NDIR as analyzer to evaluate carbon dioxide levels.
What is NDIR?Carbon dioxide can be measured using infrared detectors, also known as NDIR analyzers, because it is an excellent absorber of infrared energy. Depending on the application, carbon dioxide can be measured in percent (%) or parts per million (ppm).
A sensor is used to measure carbon dioxide. The NDIR non-dispersive infrared sensor is one of the most common.
Its popularity stems from its long life-span, high speed, and low cross-sensitivity to other gases. An NDIR CO2 sensor detects infrared light in an air sample.
Thus, NDIR can be used.
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how might genetic variation arise?
Answer:
Genetic variations can arise from gene mutations or from genetic recombination (a normal process in which genetic material is rearranged as a cell is getting ready to divide). These variations often alter gene activity or protein function, which can introduce different traits in an organism.
Explanation:
your welcome
What is CRISPR? How was it used in humans?
to experiment with gene-edited mosquitos to reduce the spread of malaria
Explanation:
CRISPR has been used to experiment with gene-edited mosquitos to reduce the spread of malaria, for engineering agriculture to withstand climate change, and in human clinical trials to treat a range of diseases, from cancer to transthyretin amyloidosis, a rare protein disorder that devastates nerves and organs.
Which of the following is an example of a polar molecule? *
Fatty acid chain
blubber
Steroid
Water
The type of _______ found in oats, barley, lentils, split peas, and beans protects against heart disease.
common disease in birds.
O Parvo
O Leukemia
O Snuffles
O Polyoma
Answer:
Common Bird Parasites & Diseases
Salmonella. The most common disease of feeder birds, Salmonellosis is caused by bacteria from the genus Salmonella and often begins as an intestinal-tract infection. ...
•Trichomoniasis. ...
•Aspergillosis. ...
•Avian pox. ...
•Mites and Lice. ...
•Lyme Disease. ...
•Preventing Spread of Diseases at Bird Feeders. ...
•Dead or Sick Birds.
A certain culture of the bacterium Rhodobacter sphaeroides initially has 30 bacteria and is observed to double every 4 hours.
(a) Find an exponential model n(t) = n02t/a
for the number of bacteria in the culture after t hours.
n(t) = (b) Estimate the number of bacteria after 17 hours. (Round your answer to the nearest whole number.)
bacteria
(c) After how many hours will the bacteria count reach 1 million? (Round your answer to one decimal place.)
The amount of bacteria inside the cultures following t hours is predicted by the exponential function n(t) = n02t/a and is 60.1 hours.
A number of bacteria inside the culture following t hours may be predicted using an exponential model, n(t) = n02t/a. n(t) = 30•2t/4
b) how many germs are present after 17 hours.
Microorganism n(17) = 30•217/4 = 571 microorganisms
Will there be one million bacteria (c) hours 1,000,000 = 30•2t/4 100000/3 = 2t/4
100000/3 = 2t/4 log2(100000/3)
15.02467797 = t/4
t equals 60.1.
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Why do my messages not work??????
Answer:
mine don't work too
Explanation:
im think u have to awnser a 1000 questions or more for it to work
easynotecards which model of the lac operon correctly shows rna polymerase, lactose, and repressor protein when the structural genes are being transcribed?
Model B shows lac operon model which correctly shows RNA polymerase, lactose, and repressor protein when the structural genes are being transcribed.
For the transport and metabolism of lactose in E. coli and other bacteria, the lac operon is an operon, or a collection of genes, with a single promoter.
The Lac Operon model may be used to describe how prokaryotic genes are regulated. Here, it is possible to see how changes in physiology and the environment affect prokaryotes' ability to express certain genes. Monod and Jacob were present and saw it.
The regulatory gene generates repressor protein that binds to the operator when inductor lactose is absent. We can thus rule out all the other models in the possibilities based on this. The picture that is attached shows the illustration.
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Question correction is attached below: