Answers
Complete question:
There is a karyotype in this question, which is missing. You will find it in the attached files.
Answer:
The individual is a male.
Explanation:
In mammals, sex is determined by a pair of sexual chromosomes. Sexual chromosomes in humans and other mammals are X and Y. The females are represented by the combination of two X chromosomes, while males are represented by the combination of an X chromosome with a Y chromosome. This is, females are XX, and males are XY. When looking at the sexual pair of chromosomes in a karyotype, you can figure out which is the individual´s gender by comparing their sizes. The X chromosome is much bigger and longer than the Y chromosome.
In the shown karyotype, the last pair represents the sexual chromosomes. You can see that one of them (the one on the left) is long and express a sort of J shape, while the other chromosome (on the right) is very short and small. According to what we previously mentioned, the X chromosome is the long one on the left, and the Y chromosome is the short one on the right. This is a male individual.
Sex chromosomes are the central determinant that defines the sex of an individual. By analyzing the karyotype one can conclude the sex chromosomes and the autosomes.
The correct answer is:
The individual is male.
Reason for the answer:
In organisms like mammals, the sex of an individual is determined by sex chromosomes. Humans and many other mammals have two sex chromosomes X and Y.The females have two X chromosomes(XX), while males have one X and one Y chromosome (XY).By studying karyotype one can distinguish among the X and Y chromosomes. The X chromosome is bigger than the Y chromosome.The karyotype provided in the question represents sexual chromosomes. The chromosome present on the left is large and is J-shaped which represents the X chromosome, while the chromosome present on the right is small and depicts the Y chromosome.Therefore, the given Chromosome is the Y chromosome and represents a male chromosome.
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Related Questions
How would the structure of bone differ if it contained no minerals?
Answers
What are genes?
1.specific proteins that DNA wraps around to form chromosomes
2.sections of DNA that control traits by encoding specific proteins
3.specific locations on DNA where chromatids attach to each other
4.entire threads of DNA wrapped around histone proteins
Answers
Answer:
2. Sections of DNA that control traits by encoding specific proteins.
Which of the following best explains how the phospholipid bilayer of a transport vesicle contributes to cellular functions?
A
The phospholipid bilayer allows the vesicle to fuse with the Golgi apparatus and the plasma membrane, allowing the exocytosis of proteins.
B
The phospholipid bilayer physically connects the nuclear envelope to the rough endoplasmic reticulum, thus increasing the rate of transcription and translation.
С
The phospholipid bilayer of a transport vesicle contains chemicals that digest the proteins made in the rough endoplasmic reticulum.
D
The phospholipid bilayer contains enzymes that catalyze the conversion of hydrogen peroxide to water and oxygen.
Answers
Answer:A
Explanation:
The statement 'the phospholipid bilayer allows the vesicle to fuse with the Golgi and plasma membrane, allowing exocytosis' explains how the phospholipid bilayer of vesicles contributes to cellular functions (Option A).
The endomembrane system is an interconnected network of phospholipid-based membranes which includes the Golgi and plasma membrane.This system (endomembrane system) is used by cells to transport substances to the extracellular medium. Transport vesicles are vesicles that help to move proteins and other biomolecules from the interior of the cell to the extracellular medium.The process by which transport vesicles fuse with the cell membrane to release their components to the extracellular environment is called exocytosis.In conclusion, the statement 'the phospholipid bilayer allows the vesicle to fuse with the Golgi and plasma membrane, allowing exocytosis' explains how the phospholipid bilayer of vesicles contributes to cellular functions.
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Approximately how many base pairs are improperly matched before being repaired by the DNA polymerase?
a. 1 in 10,000
b. 1 in 100,000
c. 1 in 1,000,000
d. 1 in 10,000,000
e. 1 in a billion
Answers
Nucleic acids are made of fundamental units called base pairs along with sugar and phosphate groups.
The base pairs are joined unitedly by a hydrogen bond.
The correct answer is:
Option b. 1 in 100,000
This can be explained as:
In the eukaryotic cells, there is a chance once in 10⁵ polymerized nucleotides to have an error.The errors are repaired by the DNA repair mechanism and the correct nucleotide is added.Therefore, once in 10,000 base pairs are matched wrongly before being repaired by DNA polymerase.
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Why are stop and start codons signals necessary for protein synthesis
Answers
Answer:
The start and stop codons —part of the mRNA's genetic code— are necessary because they indicate the exact length a protein should have.
Explanation:
The sequence of bases contained in an mRNA strand is the genetic code that allows the synthesis of specific proteins. The mRNA information is organized into triplets or codons, whose function is :
To code the amino acids that will be incorporated into the protein to be synthesized. To establish the sequence of amino acids of a peptide or protein, which depends on the sequence of codons formed by nitrogenous bases. To mark the beginning of the synthesis, with the starting codon that, in addition, codes the amino acid Methionine. Establish the end of the synthesis, through the three stop codons, UAA, UAG and UGA.The importance of the start and stop codons is that they establish the exact length that, genetically established, a specific protein must have.
Cephalization is (a) the division of the trunk into a scolex, neck, and body. (b) the presence of a head with sense organs. (c) sexual reproduction involving self-fertilization. (d) the ability to replace lost body parts. 2. Flatworms (a) are radially symmetrical. (b) possess a body cavity. (c) reproduce by parthenogenesis. (d) have tissues derived
Answers
Answer:
1. a
2. d
Explanation:
Thats the answer
T/F Cells will make more ATP in aerobic respiration than in anaerobic respiration.
A. True
B. False
Answers
I think, could be wrong
In guinea pigs, black fur color is dominant and brown fur color is recessive. Several matings between the same male black guinea pig and female brown guinea pig produce a total
of 30 black guinea pigs and no brown guinea pigs. What are the genotypes of the parents?
A. Bb x Bb
B. BB x bb
O C. Bb x bb
D. BB x BB
Answers
Answer:
BB x BB
Explanation:
All of the offspring inherit traits from the dominant gene. This means there are no recessive present.
Which of the following is NOT an advantage to using a hydroponic system?
Lower water and nutrient costs
Higher crop yields
Diseases spread slowly through the system
O Faster plant growth
Answers
Diseases spread slowly through the system
Explanation:
It's the only disadvantaged one
5.The chemical bonds between 2 oxygen atoms are polar covalent bonds.
Select one:
O True
O False
Answers
Answer:
False
Explanation
There is no substantial difference in electronegativities that would create a polar bond... electrons would NOT be unevenly distributed in O2, meaning that the molecule has a nonpolar covalent bond
T/F After cell division, each new cell will contain the same genetic information as
the original cell
A. True
B. False
Answers
Answer:
True
Explanation:
in cell division asextually new cells Contain same genetic information
10. Only living things have
Select one:
O A. atoms
on
O B. molecules
O C. proteins, nucleic acids, carbohydrates, and lipids
O D. compounds
Answers
8.Most of the ATP molecules are syntthsized during what stage of aerobic respiration?
Answers
Answer:
Krebs cycle
Explanation:
which situation involves the transfer of mechanical energy? and can someone help me please. I will give out the Crown whoever answer the question correctly.
A.
B.
C.
D.
Answers
Answer:
Correct answer-C
Explanation:
I'm built different!
Answer:
Answer:C
Explanation:When the racket hits the tennis ball, the racket is transferring energy it built up when the person swung back the racket.Then the tennis ball will increase in kinetic energy.
Making decisions require: no thought a little thought a lot of thought varying amounts of thought
Answers
Answer:
Varying amounts of thought
Explanation:
Some decisions, like what you should eat for lunch, require very little thought but others require a lot of thought, like choosing a college.
Answer:
varying amounts of thought
Explanation:
what is the volume of ethyl alcohol solution in a a 70% 250 ml
Answers
175 ml Ethyl Alcohol
250 ml x .70 (70% alcohol) = 175 ml, leaving the other 30% out (75ml)
When a piece of liver is dropped into hydrogen peroxide, the peroxide bubbles vigorously as the hydrogen peroxide (H2O2) decomposes into water (H2O) and oxygen (O2) This range change in reaction rate suggests
that liver is a substrate for hydrogen peroxide
that liver contains lots of germs
the liver contains an enzyme that breaks down hydrogen peroxide
that hydrogen peroxide is a powerful enzyme
Answers
Answer: C
Explanation:
Catalyst is one enzyme from liver that breaks down harmful hydrogen peroxide into oxygen gas and water
When a piece of liver is dropped into hydrogen peroxide, the peroxide bubbles vigorously as the hydrogen peroxide decomposes into water and oxygen. This suggests the liver contains an enzyme that breaks down hydrogen peroxide. Thus, the correct option is C.
What is Catalase?Catalase is a common enzyme which is found in nearly all living organisms which are exposed to oxygen gas. Catalase is a key enzyme which uses hydrogen peroxide, a nonradical Reactive Oxygen Species, as its substrate. Catalase enzyme is responsible for the neutralization through decomposition of hydrogen peroxide, thereby maintaining an optimum level of the molecule in the cell system which is also essential for the cellular signaling processes.
Catalase is an enzyme which causes or speeds up a reaction without being affected during the reaction. The enzyme catalase speeds up the breakdown of hydrogen peroxide into water and oxygen gas.
Therefore, the correct option is C.
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What is a zoonotic disease?
Answers
Answer:
A zoonosisis an infectious disease that is transmitted between species from animals to humans (or from humans to animals).
Explanation:
1. distinguish between different types of mutations 2. explain why mutations may or may not affect phenotype 3. identify internal and external factors that regulate cell division 4.explain cancer in terms of the cell cycle
Answers
Answer:
1.)The types of mutations include: Missense mutation: This type of mutation is a change in one DNA base pair that results in the substitution of one amino acid for another in the protein made by a gene. Nonsense mutation: A nonsense mutation is also a change in one DNA base pair
.2.) Some mutations don't have any noticeable effect on the phenotype of an organism. This can happen in many situations: perhaps the mutation occurs in a stretch of DNA with no function, or perhaps the mutation occurs in a protein-coding region, but ends up not affecting the amino acid sequence of the protein.
3.)External factors include physical and chemical signals. Growth factors are proteins that stimulate cell division. – Most mammal cells form a single layer in a culture dish and stop dividing once they touch other cells. Two of the most important internal factors are kinases and cyclins.
4.) In normal cells, the cell cycle is controlled by a complex series of signaling pathways by which a cell grows, replicates its DNA and divides. ... In cancer, as a result of genetic mutations, this regulatory process malfunctions, resulting in uncontrolled cell proliferation.
Explanation:
Hope this helped :)
These are the questions on biology
Answers
Explanation:
Simone has to at least skip 1 or 2 days of practice. he is already In the game, but lacks the necessary control of healthy carbohydrates in his diet.
carbohydrates is what gives everyone energy..
healthy carbs:= more fruit, starchy veggies like corn, peas, pasta,whole grain bread plus lean protein can help store more carbs in the fat layer of the body. when in active motion, muscles release bursts of energy, (fight or flight response)..
gives the xtra calories and protein to muscle structure...
g Catalyzes a substrate level phosphorylation - breaks down sucrose to glucose and fructose - is a type of isomerase - removes one glucose residue from glycogen a. phosphorylase b. sucrase c. phosphohexose isomerase (also called glucose-6-phosphate isomerase) d. pyruvate kinas
Answers
Answer:
A phosphorylase removes one glucose residue from glycogen.
Sucrase breaks down sucrose to glucose and fructose.
Phosphohexose isomerase is a type of isomerase.
Pyruvate kinase catalyzes substrate-level phosphorylation.
Explanation:
A phosphorylase removes one glucose residue from glycogen.
The breakdown of glycogen requires a glycogen phosphorylase. It removes a glucose residue from glycogen in the form of glucose-1-phosphate.
Sucrase breaks down sucrose to glucose and fructose.
To metabolize a sugar different from glucose, an organism first has to transform it into glucose so it can then enter the glycolysis. Sucrose is a disaccharide formed by glucose and fructose bonded by an α-1,2 bond. Sucrase breaks down sucrose to glucose and fructose.
Phosphohexose isomerase is a type of isomerase.
It transforms glucose-6-phosphate into fructose-6-phosphate. This is the second step in glycolysis or the Embden-Meyerhof-Parnas pathway.
Pyruvate kinase catalyzes substrate-level phosphorylation.
It transforms phosphoenolpyruvate to pyruvate, releasing in the process an ATP molecule. This is the final step in the Embden-Meyerhof-Parnas pathway.
When ants get food from plants and protect the plants from being eaten, what kind of relationship do these two species have? Plzzzz help!!!
a) mutualistic
b) parasitic
c) commensalistic
d) harmful
Answers
Answer:
Myrmecophytes, otherwise known as ant-plants, share a mutualistic relationship with a colony of ants. This is when two organisms of different species each benefit from the activity of the other. There are over 100 different genera of myrmecophytes that can be found across the world's tropical regions
Explanation:
There is more then one answer to the question. What does the brachiocephalic divide into? There is more thane one answer to the question.
A. Right brachiocephalic vein
B. Left jugular vein
C. Left subclavian artery
D. Left common carotid artery
E. Left brachiocephalic artery
F. Right subclavian artery
G. Right common carotid artery.
Answers
Answer:
This is health not biology
Explanation:
Which effect could a mutation in mRNA have on the production of proteins?
Answers
mRNA is the messenger molecule, which transcripts the information present in the DNA and then translates it to make the polypeptides. The mutations on mRNA can affect the synthesis of proteins.
The effect of mutation on mRNA:
Point mutations refer to the insertion or deletion of a single nucleotide from the sequence. The mutations can seriously affect the organism and the functioning of the protein formation. The point mutation leads to alteration of the amino acid sequence, which may lead to dangerous diseases or malfunctioning.
Thus, the mutations in the mRNA can result in serious alteration of the amino acid sequence of an organism.
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A scientific model can be used to _______.
a.
replace study of the actual system
b.
better understand systems and processes
c.
complicate ideas
d.
all of the above
Please select the best answer from the choices provided
A
B
C
D
Answers
Answer:
B
Explanation:
Scientific models are used to gain a better understanding of systems and processes.
What is the standard formula developed by the American society of anesthesiologists for payment of anesthesia services?
Answers
Answer:
The formulas for determining payment for surgical procedures requiring anesthesia are as follows: Anesthesia performed personally by the anesthesiologist (AA) Base units plus time units times conversion factor = X - 20% = fee
Answer:
X - 20% = fee.
Explanation:
How Primary and secondary succession happen?
Answers
Answer:
In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.
Explanation:
If you are using a microscope with an ocular lens of 10x and an objective lens of 4x, what is the total magnification of the specimen you are viewing.
Answers
Answer:
The total magnification is 40x.
Explanation:
In order to calculate the total magnification of a microscope, we have to multiply the magnification of the used lenses. In other words, for this case:
Total Magnification = Ocular lens' magnification * objective lens' magnification
Total Magnification = 10 * 4 = 40what organ Works to keep your blood plasma isotonic
Answers
The kidneys.
The kidneys keep blood isotonic by removing excess salt and water through urine.
Hi please help !!! Thankyou !!
Answers
Answer:
Both parents with the blood type A could produce offspring with blood types A or O