Answer:
Entropy is characterized as a level of irregularity or disorder in a system. More the disorder more is the Entropy. The greatest entropy is accomplished when the system is in equilibrium.
In a similar manner, stability is legitimately relative to entropy. Therefore, more entropy, more is the stability and the other way around.
S.No Scenarios Entropy Stability
A Glucose Less Less
Carbon dioxide or water More More
B A messy room more More
A clean room Less Less
C Ice water on a warm day Less Less
Warm water on a warm da More More
The punnets square shows a text cross of mice that are heterozygous for both traits what will the offspring be fill in the white boxes of the punnets square with all the possible offspring genotypes
Answer:
Explanation:
Dominant allele are allele that finds expression the offspring physical expression while recessive allele are alleles that are not expressed in the offspring phenotype.
g A variable trait in corn is the presence or absence of knobs at particular sites on some chromosomes. The allele present on each chromosome determines whether or not that chromosome has a knob. Suppose that one member of each of two pairs of homologs in a corn plant has a knob. If this plant is crossed with a knobless plant, what percentage of the offspring is expected to have only knobless chromosomes
Answer:
50%
Explanation:
The allele present on each chromosome determines whether or not that chromosome has a knob. Suppose that one member of each of two pairs of homologs in a corn plant has a knob.
This means that on a chromosome with two chromatids, the allele present on one chromatid causes the chromatid to possess knob while the other does not making the plant an heterozygous...
If this plant is crossed with a knobless plant, one whose Chromebook is without knobs, we have
II x II
II - 50% with a knobbed chromatid
II - 50% with only knobless chromosomes.
The first to the left is knobbed, thus the percentage of offspring expected to have only knobless chromosomes would be 50%.
Assuming a diallelic gene and complete dominance, the percentage of the offspring that is expected to have only knobless chromosomes is 50%
----------------------------
Available data:
Trait presence absence of knobsPlant 1: One member of each of two pairs of homologs in a corn plant has a knobPlant 2: knobless plantWe will assume complete dominance, and that the presence of knobs is the dominant trait.
We will name the dominant allele A, and the recessive allele a.
Plant 1 seems to be heter0zyg0us for the trait, while plant 2 is h0m0zyg0us.
Cross: Plant 1 with Plant 2
Parentals) Aa x aa
Gametes) A a a a
Punnett square) A a
a Aa aa
a Aa aa
F1) 50% of the progeny is expected to be heter0zyg0us, Aa, expressing knobs
50% of the progeny is expected to be h0m0zyg0us recessive, aa, having knobless chromosomes.
The percentage of the offspring that is expected to have only knobless chromosomes is 50%.
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If there is a high concentration of reducing sugar, Benedict’s solution will turn _______. A. Green B. Orange C. Red D. Blue
Answer: In lab, we used Benedict's reagent to test for one particular reducing sugar: glucose. Benedict's reagent starts out aqua-blue. As it is heated in the presence of reducing sugars, it turns yellow to orange. The "hotter" the final color of the reagent, the higher the concentration of reducing sugar.
Answer:
B. Orange
Explanation:
It is heated in the presence of reducing sugars, it turns yellow to orange. The hotter the final color of the reagent, the higher the concentration of reducing sugar.
What occurs during frameshift mutation?
A) Part of the chromosome breaks away, but reattaches normally.
B) Part of the chromosome breaks away, but reattaches in inverse orientation.
C) An extra chromosome is added, causing mismatching of the chromosome pairs.
D) There is a misreading of the base pairs during translation.
Answer:
C) An extra chromosome is added, causing mismatching of the chromosome pairs.
Explanation:
Mutation is any change, whether big or small, that occurs in the nucleotide sequence of a gene. Mutation can be of different types depending on how it occurs.
According to the question, frameshift mutation is a mutation that causes the normal reading frame of the nucleotide sequence to be altered. It is caused when an extra chromosome is added (insertion) or when one chromosome is removed (deletion). In either way, there will be a mismatch or alteration in the chromosome pair, hence affecting the reading of the nucleotide sequence.
In frameshift mutation, the insertion or deletion causes the
normal CODONS (triplet nucleotide) to be missing or incomplete, hence, disrupts the manner at which the reading takes place (reading frame). Note, frameshift mutation only occurs as a result of insertion or deletion of chromosomes/bases that are not multiples of three that can maintain the normal reading pattern/frame.
The purpose breeding experiment is to develop ____________ plants with flowers expressing a new combination of form and shape.
Answer:
The purpose of breeding experiments is to develop varieties or different plants with flowers expressing a new combination of form and shape.
Explanation:
Breeding or plants breeding refers to process of changing or altering plants characteristics or traits to produce new plants varieties with desirable traits or characteristics. The purpose of breeding is to develop varieties plants that have the desired traits or characteristics . Also, it's purpose is to develop varieties of plants with flowers expressing a new combination of form and shape.
Experimental breeding is a way of crossing organisms with different alleles to produce new variety of crop with desired characteristics.
A historian is interested in conducting a deep analysis on the
American stock market crash of 1929 in an effort to understand
how economies shrink and grow over time. Which type of history is
he practicing?
Answer:
economic history
Explanation:
because it is based on economic matter that is to be investigated
Correctly order the production and transport of sperm through the male reproductive system. Semen is released from the penis. Sperm are produced in the testes. Sperm leave the testes through the semen duct. In the semen duct, fluids from the glands are added to the sperm.
Answer:
sperm are produced in testes. sperm leaves through the semen duct. In the semen duct,fluids from the glands are added to the sperm. semenis releasedfrom the penis
Answer:
4 semen is realeased through the penis
1 sperm is produced in the testes
2 sper leaves the semen duct
3 fluids from the glands add to the sperm
Explanation:
Explain effects of undersecretion and oversecretion of Growth hormone
Answer:
Under secretion causes dwarfism.
Over secretion causes gigantism.
A key component in the formation of organic compounds, such as nucleic acids and
ATP
Most abundant gas in the atmosphere; plants absorb it from bacteria in the soil
In every living thing; plants utilize it when they perform photosynthesis
Answer:
Nitrogen
Explanation:
Nitrogen is the most abundant gas in the atmosphere. Plants also absorb fixed nitrogen from bacteria in the soil.
Answer:
1) phosporus
2)nitrogen
3)carbon
Explanation:
Hope this hlps!!
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Each of the following statements is either true or false.
1. The microscope lens may be cleaned with any soft tissue.
A. True
B. False
2. The microscope should be stored with the ail immersion lens in position over the stage.
A. True
B. False
3. When beginning to focus, use the ssanning objective lens.
A. True
B. False
4. When focusing on high power, always use the coarse adjustment knob to focus.
A. True
B. False
5. A coverslip should always be used with wet mounts.
A. True
B. False
Answer:
1.false.
There are special lense tissues for this which will not scratch the lense so that the focal power will nit be affected. Grit -free lens paper,Kimwipes or Kodak lens are ideal cleaning materials.
2.This is also false. Microscope should be covered with dust cover, and even in the cabinet,It should never be left without am eyepiece.
3.True.
This gives he lowest magnification, which allows for wide view of the specimen in order get the specific spot to focus on.It has magnification power of 10x eyepiece lens.Thus a 4x scanning objective lens therefore gives total magnification of 40x.
4.False,
This will break the objective lens.Fine adjustment knob should be use.This will gives the sharpest focus,using a coarse knob will crack the lens because the working distance for focusing will be too small, and suing this will damage the objective lens,
5.False,only the wet mount should be used.High power and oil lens should not be used as this will reduce the efficiency of the microscope.
What caWhat can be known about Mendel’s five-part hypothesis?n be known about Mendel’s five-part hypothesis?
Answer:
It is an answer to a scientific question and is based mostly on research.
Explanation:
Mendel five part hypothesis was also known as the law of segregation. This law explain the how traits are inherited in living organisms. Mendel's theory discovered that there are two alleles for a single gene and that one of these alleles is inherited from each parent, which forms the basis of the trait in the progeny(offspring).
Mendel’s hypothesis was considered true after various experiments and analysis and also answer the question of how the different traits are passed on from parent to progeny. This validates it being an answer to a scientific question and it being based mostly on research.
Answer:
A) It is an answer to a scientific question and is based mostly on his research.
Explanation:
Edgnty
Which is a secondary substance? A.) Tree falling B.) Volcanic eruption C.) Forest fire D.) Snow melting
Answer:
Snow melting
Explanation:
The solid snow is the primary substance while the melted snow-water is secondary.
If we chew rice or bread for a few minutes , it starts tasting sweet why
Answer:
Because the saliva is mixed completely
Also because of carbohydrates
Explanation:
(BTW that never happens to me I may vomit because it's pretty disgusting in real life )
Answer:
If we chew rice or bread for few minutes,it starts tasting sweet because it converts starch into glucose into sugar so it tastes sweet.
Suppose a population grows according to a logistic model with initial population 100 and carrying capacity 1,000. If the population grows to 250 after one year, what will the population be after another three years
Answer:
In this problem we only want to know the exponential growth of the population at a certain time, that is to say, three years, which means that its growth must be greater.
Explanation:
For this we determined the initial growth of the population at one year which is 250.
So making a rule of three:
1 year = 250
3 years = x
So, we have:
250 x 3 = 750; that is, the exponential growth in the third year is equivalent to 750.
the “good genes hypothesis” proposes that people with physical qualities like averageness, symmetry, sex prototypicality, and youthfulness are more attractive because they are better-quality mates. the “good genes hypothesis” is from which approach to psychology?: 1) evolutionary 2) psychodynamic 3) cognitive 4) biological
The correct answer is 1) Evolutionary
Explanation:
The "good genes hypothesis" argues traits of the opposite sex that are considered as positive or attractive reflect evolutionary traits and therefore are indicators of a better-quality mate. Indeed, this theory argues attraction is connected to better chances of survival or better chances to reproduce. This belongs to the evolutionary approach in psychology because these "attractive" traits are the result of evolution because only the "fittest" individuals reproduce and their genes prevail over time.
Which environmental change is considered short term?
forest fire
ice age
mountain building
solar energy changes
Edunuity
Answer:
forest fires
Explanation:
An environmental change that occurs quickly and affects organisms immediately (causing behavioral adaptations).
floods, forest fires, blizzards, volcanic eruptions,
Answer: Forest fires[A]
Explanation:
got 100% on the edge2020 Unit Test
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This exercise is designed to help understand the naming process of a few se muscle names. The other column is a list of descriptions of which the muscle na match the left column with the right column. The first one is competed to help youg lect muscles. One colunn lists the mes were based on. You are to et started.
Adductor magnus
_____A_______Adductor A. Action (type of movement)
magnus B. Shape
Vastus lateralis C. Site of origin or insertion (Points of attachment)
lateralis D. Number of origins
E. Location to a nearby bone
Biceps femoris
Biceps F. Direction the muscle fibers are oriented
femoris G. Size of muscle
Fibularis longus H. Location to a superficial area
一Fibularis
longus
Popliteus
Popliteus
Answer:
Explanation:
Brachii: H - It means of the arm.
Palmaris: H - It means of the palm of hands.
Longus : G - Longus means long
Brachio: C - It refers to origin on the upper arm.
Radialis: C - It refers to insertion on the radius of the forearm.
Pronator: A - Pronation is inward rotation of part of the body towards middle of the body.
Teres: B - meaning round or cylindrical shape
Deltoid: B - meaning triangular shape
Which is an example of foraging as a benefit of social behavior?
Answer:
kinda like foraging a signature
Explanation: if I'm wrong go randonauting
"Discuss three factors that affect your daily food choices. For each factor with a negative outcome, suggest at least one change you could make in your daily behavior that would turn that negative outcome to a positive outcome.
Answer:
Three factors that affect my daily food choices include:
1. Taste
2. Length of time for preparation
3. Method of preparation.
Explanation:
When making choices for food, I tend to take several factors into consideration. Some of these factors include;
1. The taste of the food: If the food tastes good and is not too spicy I am more inclined to choose such food.
2. Length of time for preparation: Especially on stressful days, I tend to consider the length of time required to prepare a healthy meal. If it takes so much time I am more inclined to eat fast food which is not a good choice.
To change this negative outcome, I hope to plan my affairs for the day and prepare healthy meals beforehand, which could be stored in the refrigerator and reheated when I need it.3. Method of Preparation: Some foods require paying attention to details. For example, food that uses up, a lot of vegetables would require thorough washing to prevent particles in the food. Busy days also get me exhausted with no strength to pay attention to these protocols.
To turn this around, I hope to employ the help of a family member to make the process easier. I also hope to process most of my ingredients and keep them ready for use so that I would not have to do a lot of processing while cooking.Which sentence best describes what happens after sunlight hits photosystem
II?
A. Solar energy changes ADP into ATP.
B. NADPH turns into NADP+.
C. Glucose forms from carbon dioxide molecules.
O D. Electrons in the third protein gain new energy from light.
Answer:
A. Solar energy changes ADP into ATP.
Explanation:
The phase of the photosynthesis is based on the light that reacts as the pigment molecule absorbs energy from the sunlight and the photons strike the photosystem to initiate the photosynthesis. Energy transports through the electron that pumps hydrogen ions and forms an electrochemical gradient. The ADP is a combination of phosphate to form the ATP in the reaction i.e ADP +energy to ATP plus water. This usually takes place by the storage of high energy to ATP as sugar molecules that are sent phase of photosynthesis.Answer:
A. Solar energy changes ADP into ATP
Explanation:
Photosynthesis is the process in which plants make there own food by utilizing sunlight that converts water and oxygen into carbon dioxide and energy.
There are two systems in photosynthesis: Photosystem II and Photosystem I.
In photosystem II ADP + P is converted into ATP driven by electron gradients formed in the thylakoid membrane.
Hence, the correct answer is A.
In normal cells, glucose is broken down aerobically and fed into the citric acid cycle to produce, among other things, lots of ATP. Cancer cells, however do not. They instead break down glucose into lactic acid. This is very odd due to the fact that cancer cells are constantly growing and have typical glycolytic rates 200 times that of a normal cell. This even occurs under oxygen rich conditions.
Required:
Write a response to the following prompt.
Why might cancer cells produce ATP this way? Please provide background and cite any sources you may have used?
Explanation:
Its was discovered back in the 1920s, by Dr. Ralph DeBerardinis and Dr. Joshua Rabinowitz that cancer cells prefer not to rely on the citric acid cycle like healthy cells do. Instead, they turn most of their pyruvate (SALT) into lactate, which then releases. Because cancer cells consume so much glucose, they end up producing a lot of lactate.
The Circle of Lactate: How cancer cells can reuse their own waste
by Lara Roach
Feb 13, 2018
A geneticist is studying sexual reproduction of a species of butterfly that lives in a very cold climate. He hypothesizes that there should be low genetic diversity because it is well adapted to the cold climate but does not seem to be able to colonize surrounding areas with warmer climates. What important principle is he using to formulate his hypothesis?
Answer:
It is a stenotopic species.
Explanation:
Stenotopic species are well adapted to specific environmental conditions. Stenotopic species can't colonize new environments because they are adapted to a narrow range of environmental conditions. On the other hand, the eurytopic species can survive and reproduce in a wide range of environments.
In this case, the geneticist has used a hypothetico-deductive framework, where this butterfly was distinguished by species boundaries based on its sampling distribution.
Which level of protein structure is formed by the sequence of amino acids bonded together?
Select one:
a. Primary
b. Secondary
c. Tertiary
d. Quaternary
e. Both tertiary and quaternary
Fur color in mice is affected by a single gene. The gene for fur color has two alleles: B that causes dark brown fur, and b that causes light brown fur. In a mouse with dark brown fur, the genotype could be BB or:_________
Answer:
The genotype could be BB or Bb
Explanation:
The genotype could be Bb which means it has heterozygous alleles.
The B which is allele for dark brown fur is dorminant and b for light brown is recessive. In this case, the dorminant allele masked the effect of the recessive allele b which make the dorminant allele B to be expressed phenotypically.
The enzyme DNA (nuclease / telomerase / polymerase) joins (amino acids / nucleotides / sugars) to synthesize a new (complementary / opposite / paired) DNA strand.
describe some other kinds of activities that would benefit the most from each molecule n the table
Answer:
The macromolecules; protein helps to gain muscle, fat helps provide stored energy for longer period, carbohydrates provide immediate energy.
Explanation:
Proteins are the macromolecules that help on the muscle building and storage. Bodybuilders utilize proteins to build their body and muscle protein. Protein has equal energy value as carbohydrates.
Fat help in providing energy when there is no carbohydrate provided energy to utilize. In the winters some animals hibernate they utilize the fat provided energy during the hibernation period.
Carbohydrate gives energy immediately for the cellular process and also help athletes to provide energy immediately. Runners drink carbohydrates based drinks to get energy before the race.
Suppose the fictional condition lycanthropy is an autosomal dominant disorder that causes an affected person to have a strong physical reaction to the changing lunar cycle. Most cases of lycanthropy are due to spontaneous new mutations in the gametes of normal individuals. These new cases are due to a spontaneous mutation that occurs in paternal gametes, as opposed to maternal gametes. Additionally, the likelihood of this mutation occurring increases as the father ages. Which of the following statements represent a related hypothesis for these findings?
a) Sperm undergo more mitotic cellular divisions than egg and therefore have a higher risk of developing a spontaneous mutation.
b) The average somatic mutation rate is higher in males than in females, therefore sperm have more mutations than eggs.
c) The mutation for lycanthropy may confer a benefit to the sperm, increasing the chance of survival when compared to a normal sperm.
d) The gene involved in lycanthropy may be in a mutational hotspot.
Answer:
Option A
Explanation:
Sperm undergo more mitotic cellular divisions than egg and therefore have a higher risk of developing a spontaneous mutation.
As noted from the explanation given above...in the process of development in males, the sperm cells always undergo many mitotic cellular division throughout their life increasimg the males' chances of undergoing spontaneous mutations as compared to the females during development where it gets to a certain point in their lives where they stop producing egg cells after the once division.
Thus, the continuous divisions undergone by the sperm cells acquire more spontaneous mutations on the cell that produces this lycantrophy trait.
Which have different numbers of electrons? different ions of an element different isotopes of an element the nucleus of an element each of the atoms of an element
Answer:
different ions of an element
Explanation:
An ion is an atom that has different number of protons and electrons.
An isotope is an atom of an element with a different number of neutrons.
The nucleus of an element have only protons and neutrons.
Each of the atoms of an element have same number of protons, electrons, and neutrons.
Different ions of an element have different numbers of electrons. The correct option is A.
What are electrons?Electrons are the negatively charged particles that are present indie the atoms. They revolve around the nucleus. They are also called subatomic particles. Furthermore, they are present freely or bound to the nucleus.
Elements are the species of atoms that are distinguished from each other by the number of protons in them. There are 118 elements are discovered now.
When an atom attracts another atom, they have different numbers of electrons, they are called ions. So it is clear that different ions have different numbers of electrons in an atom.
Thus, the correct option is A. different ions of an element.
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The table lists some organelles and functions. Only one pair is correctly matched.
Functions of Organelles
Organelle Function
Chloroplast Stores water and waste materials
Cell wall Supports cell membrane, maintains cell shape, and protects cell
Cell membrane Breaks down waste materials and debris
Vacuole Produces proteins for the cell
Which organelle in the table is correctly matched with its function?
chloroplast
cell wall
cell membrane
vacuole
Answer:
cell wall
Explanation:
The cell wall supports the cell membrane, it helps keep the cell shape and protects the cell
The organelle that is CORRECTLY matched with its function is the CELL WALL.
The cell wall is an organelle found in plants (and in certain other non-animal organisms) that helps to provide structural support and transport substances across the plant cell.
Chloroplasts are plant organelles used to synthesize simple carbohydrates by a series of reactions collectively called photosynthesis.
The cell membrane is a selectively permeable structure that separates the intracellular medium from the surrounding environment.
The vacuole is an organelle (predominant in plant cells) that helps maintain water balance and sequester waste products.
In conclusion, the organelle that is CORRECTLY matched with its function is the CELL WALL.
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What is meant by the following statement about the cell membrane?
The cell membrane is said to be semipermeable.
O A. It will not allow any molecules to pass through.
oso
O B. It does not contain any membrane proteins.
O C. It is very selective about what it allows to pass through.
D. It allows all polar molecules into the cell.