Answer:
1- The immune system develops antibodies to the disease so that it cannot make you sick again.
2- Immunization describes the actual changes your body goes through after receiving a vaccine.
3- Immunization is the process whereby a person is made immune or resistant to an infectious disease.
4- Vaccines stimulate the body’s own immune system to protect the person against subsequent disease.
5- Immunity is the capability of multicellular organisms to resist harmful microorganisms from entering their cells.
6- Immunity is the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.
7- Immunization is the action of making a person or animal immune to infection.
8- Vaccines strengthen the immune system.
Researchers cross a corn plant that is pure-breeding for the dominant traits colored aleurone (C1), full kernel (Sh), and waxy endosperm (Wx) to a pure-breeding plant wiht the reccessive trains colorless aleurone (c1), shrunken kernal (sh), and starchy (wx). The resulting F1 plants were crossed to pure-breeding colorless, shrunken, starchy plants. Counting the kernals from about 30 eats of corn yields the following data:
Kernel Phenotype Number
Colored, shrunken, starchy 116
Colored, full, starchy 601
Colored, full, waxy 2538
Colored, shrunken, waxy 4
Colorless, shrunken, starchy 2708
Colorless, full, starchy 2
Colorless, full, waxy 113
Colorless, shrunken, waxy 626
6708
A) Why are these data consistent with genetic linkage among the three genes?
B) Perform a chi-square test to determine if these data show significant deviation from the expected phenotype distribution.
C) What is the order of these genes in corn?
D) calculate the recombination fraction between the gene pairs.
E) what is the interference value for this data set?
D) #recombinant=116+601+4+2+113+625=1462
#nonrecombinant=2538+2708=5246
RF=R/(N+R)=1462/6708=0.2
E) I=1-Q
I-interference
Q-coefficient of coincidence
Q=O2Xo/E2xo(2xo-double crossovers)
O2xo=6
P=(distance from C1 to Sh/100)*(distance from Sh to Wx/100)
=(3.38/100)*(18.28/100)=0.006
E2xo=0.006*6708=40.248
Q=6/40.248=0.15
I=1-0.15=0.85
what is cellular affinity in biology?
Answer:
affinity. Attraction between particles. Biology: A measure of the attraction of one biological molecule toward another molecule, either to modify it, destroy it, or form a compound with it. Examples are enzymes and their substrates, or antibodies and their antigens.
A biologist is studying how green sea turtles choose where to lay their eggs. She makes a hypothesis that because this species is related to other sea turtles through common ancestry, they probably all use the same process. This biologist formed her hypothesis using:________
a. A hunch
b. The unifying theory of evolution
c. Experimentation
d. The scientific method
e. Observations of green sea turtles' behavior
Answer:
Option b
Explanation:
Hypotheses are carried out as proposed explanation made on the basis of limited evidence which serves as a beginning point for further study.
The biologist in this case has a limited evidence with regards to this species which is just only about its ancestry, so her hypothesis was based on the unifying theory of evolution which is the framework within which biologists ask questions about the living world providing predictions with regards to directions about living things.
The correct answer, unequivocally, is (B).
- This is because she used her knowledge that, from an standpoint of evolution, these turtles were related to each other.
What do you think the algae offer that the fungi can’t do
Answer:
algae are autotrophic
Explanation:
the cell wall is made up of cellulose
The psychologist most closely associated with the school of functionalism is
Answer:
Explanation:
Edward B. Titchener. Functionalists, including psychologists William James and James Rowland Angell, and philosophers George H, they stressed the importance of empirical, rational thought over an experimental, trial-and-error philosophy.
hope it helps
The diagram below shows the stages of succession in a forest ecosystem. A diagram showing 4 stages of succession in a forest ecosystem. Stage A: A mature forest. A fire occurs, resulting in Stage B, a burnt forest where nothing is growing. Stage C, pioneer plant species grow in the bare ground. More species follow and grow bigger. Stage D: A mature forest with several tree species and younger trees. Which area shows the climax community of secondary succession?
Answer:
D
Explanation:
just took the test
Answer:
D
Explanation:
Area D shows the climax of secondary succession.
There are limitations to applying the Biological Species Concepts, based on its criteria, so in some cases it is actually better to use the Morphospecies Concept. Which of the following would require being defined using the Morphospecies Concept instead of the Biological Species Concept?
a. Birds
b. Dinosaurs
c. Insects
d. Mammals
e. Flowering plants
if a person vomit predict which part of his digestive system was unable to deliver the food to the next organ
Answer:
Stomach
Explanation:
The stomach was unable to deliver the food the proximal small intestine and thus the person vomits. Vomiting is reverse peristalsis.
Mendel first crossed true-breeding plants to produce a second generation, which were then allowed to self-pollinate to generate the offspring. How do we name these three generations?
Answer:
P, F1 and F2
Explanation:
The first generation crossed which included the true breeding parents are the P generation plant. This produces the two subsequent generations which are the first filial generation (F1) and the second filial generation (F2).
Jose Salazar has been hospitalized following a motor vehicle accident. He has several broken bones, including his left jaw, two ribs on the left side, and a compound fracture of his left leg. According to his medical record, he is 47 years old, his height is 5'9", and his weight is 171 pounds. During the course of his hospital stay, he was diagnosed with a heart arrhythmia. His current medications include lovastatin to lower his cholesterol, an MAO inhibitor to treat depression, and an analgesic to treat his pain. Mr. Salazar's wife also reports that he takes several herbal products including yohimbe, kava, valerian, and St. John's wort. Which herbal product taken by Mr. Salazar may be causing his heart arrhythmia?a. yohimbeb. kava kava onlyc. St. John's wortd. valerian onlye. both valerian and kava kava
Answer:
a. yohimbeb
Explanation:
Heart arrhythmia is a heart disease in which the heart does not work properly. The main cause of heart arrhythmia is yohimbeb which is used as a medicine for increasing sexual desires but this herbal product also has side effects such as causing heart problems such as heart arrhythmia and kidney diseases. So the Jose Salazar should avoid the consumption of yohimbeb in order to control the heart disease.
Which statement summarizes a change that occurs during photosynthesis?
Answer:
It converts light energy to chemical energy.
Explanation:
Its absorbing sunlight and changing in to chemical energy for the plants nutrients.
During photosynthesis, light energy will be changed into chemical energy.
What is photosynthesis?Photosynthesis was a process used mostly by plants as well as other creatures to transform sunlight into chemical energy which, via cellular respiration, might subsequently be produced to fuel the organism's functions.
What is chemical energy?Chemical energy was the energy that would be generated while chemical substances engage in a chemical reaction but also change into some other substances.
Therefore, during photosynthesis, light energy will be changed into chemical energy.
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DNA damage checkpoints are crucial for preventing cell proliferation when DNA damage has occurred. The role of DNA checkpoint proteins in the cell cycle is closely tied to the roles of DNA repair enzymes, although these proteins perform different functions.1. Which of the following statements is true for DNA checkpoint proteins and not for DNA repair enzymes? a. These proteins remove a single nucleotide of damaged DNA. b. These proteins nick the phosphodiester backbone of the damaged DNA. c. These proteins prevent the cell cycle from progressing if damaged DNA is detected. d. These proteins remove the region of damaged DNA. 2. Which cell cycle phases contain critical DNA damage checkpoints?a. Gob. G1c. G2d. M
Answer:
1. C. These proteins prevent the cell cycle from progressing if damaged DNA is detected.
2. C. G2
Explanation:
1. All other choices apply uniquely to DNA repair enzymes (i.e. not to DNA checkpoint proteins).
2. Go doesn't contain any critical DNA damage checkpts. because it's not even an official part of the cell cycle; it's simply a phase in which cells are arrested. G1 doesn't contain any critical DNA damage checkpts. because it's before DNA is replicated. G2 is right after S phase when the DNA is replicated; thus, it contains critical DNA damage checkpts.
How could you use different research methods to complement each other when studying a particular process in the brain?
Answer is given below
Explanation:
The brain is a complex structure and requires different methods to be declared in order to obtain a clear illustrator. Cavalder study is a method of comparing the brain of a dead person. For example, Einstein compared the brain to the brain of ordinary people. It has been hypothesized that the proportion of glia cells in the neuron is higher in a person with a higher IQ, such as Einstein. However, it cannot be confirmed that only a specific brain is available. The study of the session helps us to identify the problem associated with defects in a particular area and eliminates the function of a specific area of the brain. For example, clots form in the frontal lobe during a stroke, which can sometimes lead to epilepsy. The disadvantage of these methods is that the brain is not active. A new method of EEG electroencephalogram that measures electrical signals if each neuron is present. It measures brain activity when the brain is active. The EEG can provide information about the normal patterns of electrical activity in the brain, and although the EEG allows the researcher to quickly observe when these changes occur in real time, the electrode measures the surface of the skull and each electrode measures brain waves from large areas to be placed on the brain. EEGs do not provide a very clear picture of brain structure. The image of the brain cannot be obtained by changing the electrode to measure the electrical signal. but there are MRI techniques to provide more specific brain images. Functional magnetic resonance imaging uses the scan method using magnetic fields to create an image of the brain in each activity field. Therefore all mixed methods can help to study the brain and related activities more deeply and effectively.Answer:
Brain is a complex structure and needs analgamation of various methods to get a clearer picture.
One method is cavalder studies where brains of dead person is compared. For instance , Einstien brain was compared with ordinary people brain. The ratio of glia cells to neuron was hypothesised to be higher in high IQ person such as Einstien. However , this cannot be ascertained as only one special brain was available.
Lession studies help us identify the problem associated with a lession in a particular area and conclude the function of specific region of brain.for example , during stroke the is clot in frontal lobe that leads to epileptic ceasure sometimes.
Drawback of these method is that brain is not active. So new method of EEG electro encephelogram which measure electrical signals if each neuron. It measures brain activity when brain is active.
the EEG can provide information about the general patterns of electrical activity within the brain, and although the EEG allows the researcher to see these changes quickly as they occur in real time, the electrodes must be placed on the surface of the skull and each electrode measures brain waves from large areas of the brain. As a result, EEGs do not provide a very clear picture of the structure of the brain. A still images of brain cannot be obtained by placing electrodes to measure electrical signal.
But MRI techniques exist to provide more specific brain images. Functional magnetic resonance imaging uses a scan method utilising magnetic field to create an image of brain in each activity area.
Thus all methods combined can help in study of brain and associated activities more profoundly and effectively.
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What are gyres?
1.Large plants that move in circles in the ocean.
2.Large circulating parts of the ocean
3.Large animals in the ocean that move in circles in the ocean.
Answer:
A gyre is a circular ocean current formed by the Earth's wind patterns and the forces created by the rotation of the planet..
Explanation:
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Question 21 (5 points)
Which of the following terms describes a collection of hollow cells that implants on
the uterus wall after fertilization, but is not yet differentiated (in other words, all cells
are the same type of cell still)?
Fetus
Haploid
Mitosis
Blastocyst
Answer:
The answer is option D.
Blastocyst
Hope this helps
Answer:
Blastocyst
Explanation:
Once an egg is fertilized by a sperm, it begins to divide by mitosis into a 2, 4, and then 8 celled structure. Eventually, this large collection of cells keeps dividing and becomes a hallow collection of undifferentiated cells called a blastocyst. The blastocyst will implant on the wall of the uterus where it will begin to grow and develop during pregnancy into a fetus.
Which statement best describes monsoons?
They force cool, moist air from oceans to rise.
They are winds that blow in the opposite direction of a normal wind.
They bring heavy rain in the winter and in the summer.
They influence precipitation as wind moves near a mountain.
Answer:
The correct answer to the following question will be Option B and C.
Explanation:
Monsoon seems to be a change throughout the course including its predominant hot air flowing from either the south-western oceans of India towards India.The summer monsoon gives a luxurious atmosphere as well as heavy rains to something like the coastline of Asia (south-east), where many monsoon showers of rain undergo their rainy season throughout the winter.The other choices are not related to the given circumstances. So that Option B & C would be the appropriate choice.
Answer:
Pretty sure its B not sure tho. If its correct, mark as brainliest
Explanation:
Drag the tiles to the correct boxes to complete the pairs. Match the organisms to the descriptions.
Answer:
Ok, no boxes but whatever
Mammals - Endothermic Homeostasis (Warm Blooded), Hairy Body, Have babies live
Birds - Endothermic Homeostasis(Warm Blooded), Have eggs, feathers, claws
Bacteria - Single celled, use binary fission to divide
Fungi - Multi or single celled, have chitin cellular walls
Plants - Have cellulose plant walls, multicellular organism
Archae Bacteria - Same as normal, except they live in crazy enviorments, like at the bottom of the ocean or in a volcano or radiation pool
Protozoa - Single celled organism class, like ameoba
Answer:
If this was edmentum. this was my question and answer
Explanation:
see pic below
What should be done following health violations from an inspection?
Answer:
correct the identified
Explanation:
If health violations are found out during inspections, the inspector should give him warning about the violation or give him a ticket or fine. If high level of violation if found out, then the license of the restaurant or company should be cancelled.
What is heath violation?Health violation is avoiding the condition that are necessary for health during the process or manufacturing. These violation leads to the poor health of the people.
Health inspectors are the person who check the conditions of hotel and factories related to the health of the people. If they found any violation, the companies should correct them.
Thus, the inspector should issue him a warning about the infringement or issue him a ticket or fee if any health violations are discovered during inspections. If a serious breach is discovered, the restaurant's or business' license should be revoked.
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Antimicrobial peptides can do all of the following except:_________A) regulate body temperature.B) target intracellular components.C) insert themselves into target cell membranes.D) disrupt plasma membrane and/or cell wall.E) stimulate leukocytes.
Answer:
Option A
Explanation:
Antimicrobial peptides cannot regulate body temperature. They can do all of the rest.
=> target intra cellular components.
=> insert themselves into target cell membranes.
=> disrupt plasma membrane and/or cell wall.
=> stimulate leukocytes.
difference betewwn pro end eucariotes
Answer:
hey!
your answer is
Prokaryotes are organisms made up of cells that lack a cell nucleus or any membrane-encased organelles. Eukaryotes are organisms made up of cells that possess a membrane-bound nucleus that holds genetic material as well as membrane-bound organelles.
Explanation:
I hope this helps
The NADH and FADH2 molecules that are used during the reactions of the electron transport chain are derived from glycolysis, the preparatory reactions, and the citric acid cycle.
a) true
b) false
Answer:
The correct answer is option a) "true".
Explanation:
The electron transport chain that takes place in mitochondria during cellular respiration is interconnected with several other biological pathways in the cell. These pathways include glycolysis, the preparatory reactions, and the citric acid cycle, where NADH and FADH2 molecules are synthesized. In glycolysis and citric acid cycle, 2 NADH and 3 NADH molecules are synthesized, respectively. Regarding FADH2, one molecule of this compound is synthesized per each cycle of the citric acid cycle.
1. You are given a 1 gram soil sample of unknown bacterial load. After doing 10-fold serial dilutions of the soil in sterile water, 100 uL volumes are taken from each dilution for preparation of pour plates. Following incubation, each half of the 10-8 plate has 46 colonies.
a) What was the dilution factor?
b) How many bacteria were present in the soil?
2. Staphylococcus aureus divides every 20 minutes. A culture begins with 10 bacterial cells.
a) After 5 hours, how many generations have occurred
b) After 5 hours, how many bacteria are present?
3. How many milliliters would you need to prepare a 10-2 dilution from a 10ml starting culture?
Answer:
1a. 1:10
1b. 4.6×10¹³
2a. 15generations
2b. 327,680
Explanation:
10 fold serial dilution means 1ml of stock is mixed in 9ml distilled water. This is called as 10⁻¹ solution.
In this way, take 1ml each of every dilution and mix in 9ml distilled water to make 10⁻², 10⁻²-------10⁻⁸ dilutions.
Now, CFU/ml = no. of colonies × dilution factor/ volume of sample plated.