Problems. Please calculate and/or hypothesize answers to the following questi problems. You may use another sheet of paper. 1. After you complete college, you decide to marry an entomologist. While on your honeymoon with your spouse in Costa Rica, you come across a new insect species. Upon getting approval from the Costa Rican government, you and your entomologist take a few male and female insects back to the US so you can study them. You pick a female insect with a purple body and green eyes, while your spouse chooses a male insect with an orange body and brown eyes. Back in the lab, you and your spouse breed the insects so that you, a geneticist, can understand how body color and eye color are inherited among this newly discovered species. Your crosses results in the following progeny:
28 female, purple body and green eyes
12 female, purple body and brown eyes
29 female, orange body and green eyes
8 female, orange body and brown eyes
9 male, purple body and green eyes
29 male, purple body and brown eyes
7 male, orange body and green eyes
30 male, orange body and brown eyes
After looking at these results, what can you conclude about the inheritance of body and eye color in these insects? What is your hypothesis of the inheritance of both traits? Please conduct a chi square test to determine if you support or reject your hypothesis. Please provide the genotypes of the parents and their offspring.
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hope thhis helps! i have the answer in there and eveything is explained.
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3.1
Explain the feedback mechanisms that control ventilation and circulation to include
the pacemaker of the heart.
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HELPPPPP!!
Which of the following about X-linked traits is true?
O (D) They can passed from father to son
O (A) There are more genetic diseases carried by the Y chromosome than the X chromosome
(C) None of the other choices are correct
O (B) They generally affect more males than females
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Answer:
D
Explanation:
because is formed from father to son
answer ASAP
Put the following events in the correct order:
A. The amino acid sequence built from the mRNA varies
B. As the DNA sequence varies the mRNA sequence that is created during transcription
varies,
C. Since the structure of the protein determines its function we see variation in the traits
expressed due to how that protein ultimately functions based on its shape
D. This causes the structure of the protein to be different because different amino acids
are used.
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Answer:
B → A → D → C
Explanation:
This question involves gene expression, which is the process of how gene is used to synthesize proteins that determine the phenotype or traits of an organism. Gene expression involves two processes namely: transcription and translation.
- Transcription is the process whereby a DNA template is used to synthesize a mRNA sequence.
- Translation is the process whereby the mRNA transcript is used to synthesize an amino acid sequence, which eventually becomes a protein.
Based on this, the correct order of sequence of events given in this question will be:
- As the DNA sequence varies, the mRNA sequence that is created during transcription varies (transcription).
- The amino acid sequence built from the mRNA varies (translation).
- This causes the structure of the protein to be different because different amino acids are used.
- Since the structure of the protein determines its function we see variation in the traits expressed due to how that protein ultimately functions based on its shape.
According to the endosymbiotic theory, large prokaryotic cells may have
engulfed smaller prokaryotic cells over 1.5 billion years ago. If the smaller
cells survived, the larger cells may have eventually evolved into eukaryotic
cells.
How would you describe the relationship between the original prokaryotic
cells?
A. Specialized cells in a single organism
B. Predator-prey
C. Parent-offspring
D. Parasite-host
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Answer: b
Explanation:
Predator-prey is the kind of relationship the original prokaryotic cell have.
This theory explains the origin of eukaryotic cells from prokaryotic cells.Mitochondria and chloroplast are the leading example that support the theory.What is endosymbiotic theory?It states that eukaryotes arose as a result of a fusion of archean cells with bacteria.The archean engulfed but do not eat an ancient, aerobic bacterial cell.To know more about Evolution theories here
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1.Explain the nature of social science in contrast with the nature of natural science ?
2. What are the social sciences and why is it important to study the fuctioning of human society?
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Answer:
1-One of the major differences between the two is that humanities involve a more critical and analytical approach whereas social sciences deal with more of a scientific approach. ... As there is a scientific approach to social sciences, it is considered to be a branch of study in between humanities and natural sciences.
2-Social science examines the relationships between individuals and societies, as well as the development and operation of societies, rather than studying the physical world. These academic disciplines rely more heavily on interpretation and qualitative research methodologies. ... Political science.
Sociology.The societal behavior is studied and analyzed to achieve broad goals. Social research also contributes to societal development by increasing creativity and innovation. The new idea leads to the up-gradation of society. Focusing on research enhances the knowledge thereby giving more power to the society.
Explanation:
Plzzzzzz help A teacher has been told that students like when they do activities that get the moving she asks her students what they think? Is it a observational study or a survey or a experiment?
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Answer:
Its a observational study.
Explanation:
Because of the observation that the other teacher made
Antibodies are composed of two types of peptides, heavy chains and light chains. One of the major classes of antibody molecules is immunoglobulin G (IgG). Two heavy chains and two light chains form one IgG molecule. Classify each statement as describing the heavy chains, light chains, or both chains of IgG
a. form the antigen-binding site
b. contain multiple variable domains
c. are found in the Fab fragment
d. are found in the FC fragment
e. contain only one constant domain
f. contain multiple constant domains
g. contain only one variable domain
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Answer and Explanation:
a. form the antigen-binding site ⇒ both chains
The antigen-binding site is formed by one hypervariable region of the light chain (VL) and one hypervariable region of the heavy chain (VH). So, both type of chains contributes to antigen recognition.
b. contain multiple variable domains ⇒ none
Both chains - light and heavy - contain only one variable domain (VL and VH).
c. are found in the Fab fragment ⇒ both chains
The Fab fragment is composed of portions of both light and heavy chains: each portion contains one variable domain and one constant domain. The Fab fragment binds specifically the antigen.
d. are found in the FC fragment ⇒ heavy chains
The Fc region is composed of portions of heavy chains (CH² and CH³), so it contains constant domains.
e. contain only one constant domain ⇒ light chains
Each light chain contains one variable domain (VL) and one constant domain (CL).
f. contain multiple constant domains ⇒ heavy chains
Each heavy chain contains three constant domains: CH¹, CH² and CH³.
g. contain only one variable domain ⇒ both chains
Both light and heavy chains contain one variable domain. The difference is given by the number of constant domains: light chains have 1 constant domain while heavy chains have 3 constant domains.
All of the visible color light waves together make up white light.
Answer: True
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TRUEEEEE!!!!!!!!!!!!!!!!!!!
Answer:
True
Explanation:
Think of the Pink Floyd logo lol
Name some animals that have pulmonary respiration like man
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Answer:
Sloths, Lungfish, Dolphin, elephant
Explanation:
Some bacteria possess antibiotic resistance, as well as the ability to survive through adverse conditions. Where in this type of bacteria is the DNA located?
a. nucleoid, fimbriae , and plasmids
b. fimbriae, nucleoid, and endospore
c. endospore, fimbriae, and plasmids
d. plasmids, nuclouid, and endospore
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Answer:
d. plasmids, nucleiod, and endospore
Explanation:
Bacteria are prokaryotic organisms i.e. they do not possess a well defined nucleus in their cells. However, according to this question, some bacteria are said to possess antibiotic resistance, as well as the ability to survive through adverse conditions. These two characteristics of some bacteria is attributed to the possession of a plasmid and endospore respectively.
A plasmid is a circular extra-chromosomal DNA found in bacterial. It is termed "extra" because it is different from the DNA of the bacteria and carries different genes. The genes contained in the plasmid often gives the bacteria added advantage like antibiotic resistance. On the other hand, endospores are asexual spores produced by bacteria in order to withstand adverse environmental conditions like drought etc.
17. Which British law does the illustration on the right refer to?
Please help
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Answer:
The British Law does the illustration on the right refer to Publication Right .
I hope this will be the answer
A scientist constructs a graph to show the age structure of the human population of Country Y. The graph is shown here.
What conclusion is supported by the graph?
a. The population is decreasing because there are fewer older members than younger members.
b. The population is relatively stable because there are fewer older members than younger members.
c. The population is relatively stable because the death rate is about the same as the birthrate.
d. The population is increasing rapidly because of the youth of the population.
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The geological time scale is like a..
a. map of Earth's surface
b. calendar of Earth's history
C. relative dating
d. cast fossil
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Answer:
calender of earth history
Explanation:
The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into named units of abstract time called—in descending order of duration—eons, eras, periods, epochs, and ages.
Ferns obtain their food:
from spores
from the ground
by photosynthesis
from other plants
NEED HELP NOW
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Your first assignment is to provide information to the firm BigMoney Inc., a chemical producer in Kansas interested in using microbes to clean toxic spills (bioremediation). BigMoney Inc. has had a major spill of inorganic S that contaminated the soil around their plant. Scientists at BigMoney have developed mechanisms for removing H2S from soil, but have not found one for S. They want to know on a strictly theoretical basis (regardless of whether bacteria exist in nature that actually do these specific reactions) if there are any types of bacteria that could use S to give rise to H2S. (7 points total)
S ? H2S (-0.274)
a) is this an oxidation or reduction?
b) is S serving as an electron acceptor or donor?
c) Which of the following metabolisms (aerobic respiration, anaerobic respiration, aerobic chemolithotrophy and anaerobic chemolithotrophy) could be used to carry out this reaction? You can assume the reaction given above is either the initial oxidation reaction or the final reduction reaction. You must think about whether each of these metabolisms can oxidize or reduce inorganic materials. Remember, think strictly theoretically. Note, you must indicate ALL metabolisms that could be used. (1 point)
d) For each of the metabolisms that could be used, describe exactly how H2S will be formed providing the following information: (5 points)
Is the initial electron donor (from where are the electrons being taken) organic or inorganic?
Which of the pathways discussed in class (glycolysis, TCA, electron transport chain, chemolithotrophy, photosynthesis, and fermentation) will be used to get the electrons?
Is the final electron acceptor oxygen or not oxygen, and is it organic or inorganic?
Please provide a specific example of a half reaction (either initial oxidation or final reduction) that would work with the half reaction provided in this scenario, and briefly describe why it was chosen. Hint: your answer must consider the reduction potential of the electron acceptor compared to that of the electron donor and the half equation given must be either the donating or accepting reaction. Note: you may assume other molecules, both organic and inorganic, are present in the soil.
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Answer:
i dont know how to answer this question
Explanation:
PLEASE HELP During a lunar eclipse, what is the penumbra?(1 point)
A. It is the part of the moon’s shadow where the sun is completely blocked.
B. It is the part of Earth’s shadow where the sun is completely blocked.
C. It is the part of Earth’s shadow where the sun is only partially blocked.
D. It is the part of the moon’s shadow where the sun is only partially blocked.
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Answer:
B
Explanation:
I NEED ASAP PLS 20pts‼️‼️
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Answer:
what are the options
Explanation:
Many rainforests are found in the tropics, but only a few are found in cooler temperate zones. What makes a forest a rainforest?
A. They always contain very large rivers or lakes.
B. They produce more oxygen than normal forests.
C. They have a canopy of trees and a great deal of precipitation.
D. They have a large variety of animals that are not found elsewhere.
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20 points!!! + brainly!!! real answers only!!!
rabies:
What are the symptoms the animal would exhibit?
How does the disease impact the animal?
How could you prevent exposure to this disease?
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Answer:
Symptoms:
FeverHeadacheHydrophobiaPhotophobiaAgitation Increased salivationThe animal becomes hyperreactive to external stimuli and bite at anything nearIncoordination is seen due to rear limb paralysis and drooling and difficulty swallowing is caused by paralysis of facial and throat muscles.It's a deadly disease. Death is usually caused by respiratory arrest.
Prevention can be done through:
Vaccinating dogs, cats, and ferrets against rabiesKeeping pets under supervisionContacting an animal control officer if the animal is acting strangelyMost fungi are aquatic.
True
False
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Not “most” fungi is aquatic
Just some if very few
Which two atoms form an ionic bond?
A. Sodium and bromine
B. Two oxygen atoms
C. Two sodium atoms
D. Fluorine and chlorine
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What is a way in which recombinant DNA technology is helping human health?
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Answer:
Recombinant DNA technology has also proven important to the production of vaccines and protein therapies such as human insulin, interferon and human growth hormone. It is also used to produce clotting factors for treating haemophilia and in the development of gene therapy.
Explanation:
hope this helps :)
what are the molecules which are the result of any chemical reaction.
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Answer:
In a chemical reaction, the atoms and molecules that interact with each other are called reactants. In a chemical reaction, the atoms and molecules produced by the reaction are called products. In a chemical reaction, only the atoms present in the reactants can end up in the products.
list ways in which invertebrates compensate for not having a spine
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Invertebrates can be simply identified as animals that do not have a backbone. To compensate for the lack of an internal skeleton, most invertebrates have an external skeleton that protects their soft, inner body.
Invertebrates compensate for their inability to possess a backbone ( spine ) by having ; An external skeleton ( exoskeleton )
What are invertebrates ?Invertebrates are animals without backbone and also lacks an internal skeleton. The exoskeleton present in invertebrates helps in the protection of the outer surface of the organism from external stimuli and also aids in the movement through internal muscles.
Invertebrates compensates for the absence of a backbone through the possession of an exoskeleton which performs similar function just like the endoskeleton.
Hence we can conclude that Invertebrates compensate for their inability to possess a backbone ( spine ) by having ; An external skeleton ( exoskeleton ).
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On a hot summer day, the wind suddenly starts to blow, clouds start to form, there is a short, brief thunderstorm, and then it becomes cooler. What probably has happened
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Answer:
Using a random Quizlet I found, the answer is...
Cold front passed through
Explanation:
The Quizlet says...
On a hot summer day, the wind suddenly starts to blow, clouds start to form, there is a brief thunderstorm, and it becomes cooler. What probably happened?
Cold front passed through
DO NUMBER 3 FOR 50 POINTS
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Answer:
nucleotides
Explanation:
Explain this diagram?????????
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Answer:
the diagram explains the process of DNA digestion and DNA ligation, which is usually used in molecular cloning techniques
Explanation:
Molecular cloning can be defined as the process used to synthesize multiple copies of a particular DNA fragment. Molecular cloning requires the insertion of a foreign DNA fragment into an appropriate vector (e.g., a plasmid) through the action of specific enzymes that serve to cut and ligate DNA fragments. DNA digestion and DNA ligation use specific restriction enzymes and DNA ligases, respectively, in order to insert the foreign DNA fragment. For this purpose, restriction enzymes that generate single-stranded overhangs are preferred to create sticky ends which bind by complementary base pairing. Subsequently, a DNA ligase enzyme joins the DNA fragments together in order to create recombinant DNA molecules. DNA Ligation is often achieved by using a specific T4 DNA ligase, while there are many restriction enzymes that generate sticky-ends (e.g., BamHI, EcoRI, BaI228I, etc).
Rock pocket mice live in the deserts of the American southwest. Ancestral pocket mice all had light-colored coats that blended in
with the region's rocks and sandy soil, keeping the mice hidden from predatory owls. About 1.7 million years ago, a series of
volcanic eruptions spewed out wide trails of black lava into the middle of rock pocket mouse territory. Currently there are two color
morphs of rock pocket mice: light-colored mice that are typically found in habitats with sandy soil, and dark-colored mice that are
typically found in habitats with dark-colored lava rocks.
Which of the following best justifies the claim that alleles that may be adaptive in one type of environment can be deleterious in
another because of different selective pressures?
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Answer:
C
Explanation:
Just answered this
explain the role of nitrogen-fixing bacteria in the nitrogen cycle
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Answer:
Nitrogen-fixing bacteria, microorganisms capable of transforming atmospheric nitrogen into fixed nitrogen (inorganic compounds usable by plants). More than 90 percent of all nitrogen fixation is effected by these organisms, which thus play an important role in the nitrogen cycle