Correct answer is B. When a mosquito infected with Plasmodium first bites a human, the Plasmodium cells infect the human liver cells
How the Plasmodium cells infect the human liver cells?
When Plasmodium reaches the liver, it pushes its way inside liver cells and steals a little portion of the cell membrane to create a tiny pouch inside the cell. The parasite may grow and divide safely inside of this sac, known as a vacuole, while also taking proteins and nutrients from the host cell.
According to a recent study, the parasite Plasmodium deceives liver cells into secreting a protein called aquaporin-3 before stealing it for itself. The researchers write in PLOS Pathogens that inhibiting aquaporin-3 reduces the parasite's capacity to proliferate inside the liver.
"This parasite discovered a technique to alter the liver cells of the host to facilitate this reproduction process.
To learn more about Plasmodium from given link
https://brainly.com/question/13819499
#SPJ4
Democracy And human rights
Answer:
Democracy is one of the universal core values and principles of the United Nations. Respect for human rights and fundamental freedoms and the principle of holding periodic and genuine elections by universal suffrage are essential elements of democracy.
Explanation:
If a dominant allele of one gene, A, is necessary for hearing in humans, and the dominant allele of another gene, B, results in deafness regardless of the presence of other genes, what fraction of offspring in a marriage of AaBb and Aabb individuals will be deaf? (Please note that this is an example of epistasis, this will affect phenotypic ratios!)
The fraction of offspring in a marriage of AaBb and Aabb individuals that will be deaf is 1/16. This is because the problem given above is an example of epistasis, which affects phenotypic ratios.
A dominant allele of one gene, A, is necessary for hearing in humans, and the dominant allele of another gene, B, results in deafness regardless of the presence of other genes. This means that the allele A is necessary for hearing, whereas B results in deafness. Because A is dominant, Aa and AA individuals will be able to hear, whereas aa individuals will be deaf regardless of the presence of A. Because B is also dominant, Bb and BB individuals will be deaf, whereas bb individuals will be able to hear regardless of the presence of A.
Thus, the possible genotypes and phenotypes of the offspring are: ABAbAbaab . Thus, the ratio of hearing to deaf offspring is 9:3, or 3:1. However, among the deaf offspring, only 1/16 will be homozygous recessive for both genes (aa bb), which is necessary for deafness to occur regardless of the presence of A. Thus, the fraction of offspring in a marriage of AaBb and Aabb individuals that will be deaf is 1/16.
Learn more about offspring
https://brainly.com/question/14128866
#SPJ11
Which of the following statements is TRUE?A. Transcription and translation are continuous processes in eukaryotes but not prokaryotesB. Transcription and translation are continuous processes in prokaryotes but not eukaryotesC. All of the processes occur in the same site in the cell for prokaryotes and eukaryotesD. mRNA is processed before translation in prokaryotes but not eukaryotesE. Transcription and translation are continuous processes in both eukaryotes and prokaryotes
Transcription and translation are processes that happens in both prokaryotes and eukaryotes, but in eukaryotic cells they take place in different sites than in prokaryotic cells. Therefore, C is incorrect.
In eukaryotic cells, the mRNA is extensively processed before it is ready to be translated, not in prokaryotic cells. Therefore, D is incorrect as well.
In eukaryotic cells, transcription and translation are separate processes, transcription takes place in the nucleus and translation takes place in the cytoplasm. In prokaryotic cells, transcription and translation both takes place in the cytoplasm, being a continuous process. Therefore, A is incorrect, E is wrong too and the correct answer is B. Transcription and translation are continuous processes in prokaryotes but not eukaryotes.
the seahorse blending in with the coral would be an example of what defense mechanism?
The seahorse blending in with the coral is an example of the defense mechanism known as camouflage.
Camouflage is a defense mechanism used by certain organisms to blend in with their surroundings, making them difficult to detect by predators or prey.
In the case of the seahorse blending in with the coral, it means that the seahorse has physical characteristics, such as coloration or patterns, that closely resemble the appearance of the coral.
By blending in with the coral, the seahorse gains a significant advantage in terms of survival. It becomes less visible to predators that rely on visual cues to locate their prey.
The camouflage allows the seahorse to effectively hide and remain undetected, increasing its chances of avoiding predation.
The seahorse's ability to mimic the appearance of the coral demonstrates an adaptation that enhances its chances of survival and reduces the risk of being preyed upon.
This is a remarkable example of how certain organisms have evolved strategies to protect themselves by blending seamlessly into their environment.
Learn more about camouflage here:
https://brainly.com/question/15925070
#SPJ11
PLS HELP ME pls SO IT SAYS READ the text and say how the adaption is occured in hummingburs and how they were savory flavors but now they are sweet sensing now how it got adapted make a cer How did the presence of an adaptation change the frequency of a specific trait in hummingbirds? This will be graded based on your overall claim and supporting statements, use of evide from the text, and your encreasoning (CER).
Most humans enjoy candy, cake, and ice cream. As a result of evolutionary history, we have a wide variety of tastes. This is not true of all animals. Cats do not seek sweets. Over the course of their evolutionary history, the cat family tree lost a gene to detect sweet flavors. Most birds also lack this gene, with a few exceptions. Hummingbirds are sugar junkies.
Hummingbirds evolved from an insect-eating ancestor. The genes that detect the savory flavor of insects underwent changes, making hummingbirds more sensitive to sugars. These new sweet-sensing genes give hummingbirds a preference for high-calorie flower nectar. Hummingbirds actually reject certain flowers whose nectar is not sweet enough!
Brown rabbits have the genotypes BB or Bb. White rabbits have the gene type bb. If two brown rabbits, with the genotypes seen in the punnet square above, have baby rabbits, what is probability that the baby rabbits will also be brown
Answer:
the answer would probably be 75%
Explanation:
If you do a punnet square it will show the results.
what is C6H1200 for photosynthesis
Answer:
glucose
Explanation:
Molecular formula for glucose is C6H12O6
Aerobic respiration is more efficient than anaerobic respiration
Answer:
Aerobic cell respiration is roughly 18 times more efficient than anaerobic cell respiration. Your cells require a lot of energy and are dependent on the high efficiency of aerobic respiration. Overall, aerobic respiration converts about 40% of the available energy of glucose into ATP.
After chronic endurance training, RER during submaximal exercise indicates that the body is ...
a. depending more on carbohydrate and less on fat for fuel
b. depending more on protein and less on carbohydrate for fuel
c. depending more on fat and less on protein for fuel d. depending more on fat and less on carbohydrate for fuel
The correct answer is d. depending more on fat and less on carbohydrate for fuel.
After chronic endurance training, RER (Respiratory Exchange Ratio) during submaximal exercise indicates that the body is depending more on fat and less on carbohydrate for fuel.
RER is a measure of the ratio between the amount of carbon dioxide produced (VCO2) and the amount of oxygen consumed (VO2) during exercise. It reflects the relative contribution of different fuel sources, such as carbohydrates and fats, to meet the energy demands of the body.
During submaximal exercise, if the RER value is lower than usual, it indicates a shift towards greater utilization of fat as a fuel source. This is because fat metabolism requires more oxygen compared to carbohydrate metabolism.
When the body becomes more efficient at utilizing fat as an energy source, it can spare the limited glycogen stores (carbohydrate) for higher-intensity efforts.
To know more about RER (Respiratory Exchange Ratio) refer here
https://brainly.com/question/15616444#
#SPJ11
Beans, peaches, and tomatoes are all in the same group of plants. What do these plants have in common?
My bird recently flew into a window and in bleeding between his nostrils. The wound keeps bleeding, and we can't afford a Vet visit right now, what should I do?
Answer:
he finna die
Explanation:
Answer:
OMG are the wings okay
wrap the bird up in an bandage cloth if you have any!
Explanation:
What type of particles are ingested by the cell during endocytosis?
cell organelles such as the nucleus and mitochondria
oranges, apples, and different fruit
Fluid, macromolecules, or other large particles
Answer:
Explanation:
es un mecanismo que consiste en introducir partículas sólidas en las células que están cubiertas por una membrana. ... Sus funciones son: absorber nutrientes a fin de incorporar los nutrientes y los lípidos en la membrana plasmática, así como macromoléculas y, la comunicación intracelular
These molecules, secreted by bacteria, work independently of the bacterial cell to do damage to the human body and are among the most lethal poisons known to man:
1) Endotoxin
2) Exotoxin
3) Capsule
4) Vector
Exotoxin are the molecules, secreted by bacteria, work independently of the bacterial cell to do damage to the human body and are among the most lethal poisons known to man. Option 2 is correct.
Exotoxins are toxic proteins secreted by certain types of bacteria that can cause damage to the human body independently of the bacterial cell. They are among the most lethal poisons known to man due to their ability to target specific cells and disrupt cellular function.
Exotoxins are produced by both gram-positive and gram-negative bacteria and can be classified into three main categories: A-B toxins, superantigens, and membrane-damaging toxins. A-B toxins consist of two subunits, A and B, with the B subunit binding to specific receptors on the host cell and the A subunit entering the cell and causing damage.
Superantigens stimulate an exaggerated immune response that can lead to shock and multiple organ failure. Membrane-damaging toxins disrupt the integrity of cell membranes, causing cell death. Exotoxins are responsible for many serious bacterial infections, such as tetanus, diphtheria, and botulism. Hence Option 2 is correct.
To learn more about Exotoxins, here
https://brainly.com/question/30464422
#SPJ4
Why is transcription a particularly important level of gene regulation in both bacteria and eukaryotes?
Transcription is important in gene regulation because it controls the production of mRNA, which ultimately determines the expression of genes.
Transcription is the process by which the genetic information stored in DNA is converted into RNA. This RNA, in turn, is used as a template for the synthesis of proteins. By controlling the rate and timing of transcription, cells can regulate the expression of genes. This is particularly important in both bacteria and eukaryotes because it allows them to respond to changes in their environment and to different developmental cues. In bacteria, transcriptional regulation is often achieved through the binding of specific regulatory proteins to DNA sequences near the gene of interest. In eukaryotes, transcriptional regulation is more complex and involves a variety of mechanisms, including chromatin remodeling, DNA methylation, and the action of transcription factors.
learn more about genes here:
https://brainly.com/question/23611713
#SPJ11
What is the correct order of steps for the scientific method?
O Ask a question, research; form a hypothesis; perform an experiment; analyze data; draw a conclusion
O Ask a question; form a hypothesis; research; perform an experiment; analyze data; draw a conclusion
O Form a hypothesis; ask a question; research; perform an experiment; analyze data; draw a conclusion
O Research; form a hypothesis; ask a question; perform an experiment; analyze data; draw a conclusion
Answer: Ask a question; research; form a hypothesis; perform an experiment; analyze data; draw a conclusion
Explanation: Because before you research you have to ask a question, and before you form a hypothesis you should research so that you can make sure that you are using the right facts.
A serious lack of Oz typically leads to the following in humans? A) Alcoholic fermentation B) Homolactic fermentation C) Generation of optimal ATP levels D) All of the above E) Both B and C are correct
A serious lack of Oz typically leads to E) Both B and C are correct, in humans
A serious lack of oxygen (O2) in humans can lead to both homolactic fermentation and a decrease in the generation of optimal ATP levels. In the absence of sufficient oxygen for aerobic respiration, cells can switch to anaerobic metabolism to produce ATP.
This can result in the production of lactic acid through homolactic fermentation, which occurs in some tissues like muscles.
Additionally, the lack of oxygen reduces the efficiency of ATP production through oxidative phosphorylation in the mitochondria.
Oxygen is the final electron acceptor in the electron transport chain, and without it, the production of ATP through this process is impaired. As a result, the generation of optimal ATP levels is compromised in the absence of oxygen.
Therefore, both homolactic fermentation (option B) and the generation of optimal ATP levels (option C) are correct outcomes of a serious lack of oxygen in humans.
To learn more about homolactic fermentation, refer below:
https://brainly.com/question/12098138
#SPJ11
Constriction of the ________ decreases hydrostatic pressure in the nephron's filtering structures; the _________.
Select one:
1. Afferent arterioles, glomerular capillaries
2. Efferent arterioles, proximal convoluted tubules
3. Renal vein, peritubular capillaries
4. Renal arteries, juxtaglomerular apparatus
5. Vasa recta, ascending loop of Henle
As stated in the preceding statement glomerular capillaries, afferent arterioles
What does hydrostatic pressure mean?The definition of hydrostatic pressure is. "The pressure that a liquid at equilibrium experiences at any given time as a result of the force of gravity." As the gravity of the fluid increases that whenever a downward pressure is applied, hydrostatic pressure directly proportional to the distance measured from the surface.
What does osmosis' hydrostatic pressure mean?Osmotic pressure, which is connected toward the protein concentration on each side of a membrane forcing water to towards the region had greater concentration, is different from hydrostatic pressure, which is the pressure of body water against a membrane.
To know more about hydrostatic pressure visit:
https://brainly.com/question/28206120
#SPJ4
Question 3 of 10 As in mitosis, in meiosis the chromosomes first become visible in
A. telophase.
B. anaphase
C. prophase
D. metaphase
PLEASE HELP!!! ILL MARK BRAINLIEST
Answer:
Organelle 1
Explanation:
it determines if the human is a Male or female
In the given diagram of the human cell, the part of the cell that determines if the human is a male or female is known as Organelle 1 because it is a nucleus that carries genetic information.
What is a nucleus?A Nucleus may be characterized as a type of largest organelle in organisms. It is a double-membrane bound cell organelle which is called a nuclear membrane. The nuclear membrane has pores that allow the transfer of materials.
The nucleus contains chromosomes that are visible only during the process of cell division. The nucleus also contains nucleoplasm in which nucleolus and chromatin material is found. The nucleus functions as the controlling center of the cell. It also helps in the transfer of genetic information from one generation to another.
Therefore, the part of the cell that determines if the human is a male or female is known as Organelle 1 because it is a nucleus that carries genetic information.
To learn more about the nucleus of the cell, refer to the link:
https://brainly.com/question/1266260
#SPJ2
If one plant is named Salvia greggii and another is named Salvia vanhouttei, what does this tell you about these plants?
A.) They belong to the same genus and can interbreed.
B.) They belong to the same genus and to different species.
C.) They belong to the same species and to different genuses.
D.) They belong to the same species and can interbreed.
Answer:
They belong to the same species and to different genuses.
Explanation:
Which of the following factors most likely limits the plant population growth in the desert?
А
the number of herbivores
B
the amount of sunlight
o
the availability of water
D
the availability of land
Answer:
C
Explanation: Because to grow plants need the basic stuff like water and sunlight but in the desert you have a great amount of sunlight but you have much water.
Which do you think has more advantages: electricity generated by nuclear power or electricity generated by coal? Support your opinion with specific details.
put the following structures in order. the first one should be closest to the nephron and the last one should be closest to the urinary bladder.
The following structures in order, starting from the closest to the nephron and ending with the closest to the urinary bladder are bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct, renal pelvis, and ureter
The nephron is the basic functional unit of the kidney, where the filtration of blood and reabsorption of essential molecules occur. The first structure in the order is the Bowman's capsule, which is responsible for filtering blood plasma. Next is the proximal convoluted tubule, where most of the reabsorption takes place. Following that is the loop of Henle, which concentrates the filtrate by allowing the reabsorption of water and ions.After the loop of Henle, we have the distal convoluted tubule, where more reabsorption and secretion processes occur.
Subsequently, the filtrate enters the collecting duct, which adjusts the final concentration of urine. The collecting ducts converge to form the renal pelvis, which serves as a funnel for urine to flow into the ureter. Finally, the ureter is a tube that carries urine from the kidney to the urinary bladder. The urinary bladder stores the urine until it is ready to be expelled through the urethra. In this order, the structures progress from those closest to the nephron to those closest to the urinary bladder. The following structures in order, starting from the closest to the nephron and ending with the closest to the urinary bladder are bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule, collecting duct, renal pelvis, and ureter.
Learn more about nephron at :
https://brainly.com/question/30975111
#SPJ11
cells that have only one of each homologous pair are said to be haploid, a condition that is represented by n. cells that have two of each homologous pair are said to be diploid or 2n. for each of the following, is the cell haploid or diploid?
1. Sperm cell: haploid (n)
2. Skin cell: diploid (2n)
Sperm cells are gametes that are produced through meiosis, which reduces the number of chromosomes in each cell by half. Therefore, sperm cells only have one of each homologous pair and are haploid (n).
On the other hand, skin cells are somatic cells that are produced through mitosis, which results in the production of cells with the same number of chromosomes as the parent cell. Since diploid (2n) cells have two of each homologous pair, skin cells are diploid (2n).
Overall, the number of chromosomes in a cell depends on the type of cell division it undergoes. Meiosis produces haploid cells with one set of chromosomes, while mitosis produces diploid cells with two sets of chromosomes.
To know more about homologous pair click on below link:
https://brainly.com/question/30133919#
#SPJ11
When do babies start laughing?
Playing with babies, making silly faces, and reading them funny stories can all help to encourage them to start laughing.
Babies start to make vocalizations shortly after birth, but it is not until around 3 to 4 months of age that babies begin to laugh. This is when their vocal cords, diaphragm, and other muscles needed for laughing have developed enough to produce the characteristic "ha ha" sound of laughter.
One of the main things that can help babies to laugh is social interaction with their caregivers. Babies are very attuned to the emotions and expressions of the people around them, and they will often mimic the laughter and smiling of the adults in their lives.
In summary, babies start to laugh around 3 to 4 months of age, but can show signs of joy and happiness before that and it's also important to note that babies develop at different rates. Social interaction with their caregivers plays a big role in encouraging babies to start laughing.
to know more about babies refer here
https://brainly.com/question/2331969#
#SPJ11
letter z most likely represents molecules of
Answer:
2) glycogen...................
Pepsin works best in which type of environment?
A
acidic, only
B
basic, only
C neutral
D
sometimes acidic, sometimes basic
Answer:A.acidic only
Explanation:
Pepsin works at ph 1.5-2.5 so this is strong acidic medium
TIME REMAINING
40:27
What must happen before a chemical reaction can begin?
The activation energy must be exceeded.
The activation energy must be reached.
The concentrations of products and reactants must be equal.
The concentration of reactant molecules must be reduced.
Answer:
A
Mark me as brainliest ONLY if my answer is correct
I apologize if my answer is incorrect I will better my answering strategies if it is incorrect.
Explanation:
In the process of photosynthesis, plants produce glucose. They use some of this glucose to grow. They store the rest in fruit and seeds in order to
reproduce. What is the use of this stored glucose in the seed?
Answer:
RESPIRATION, MAKING FRUITS, MAKING CELL WALLS, MAKING PROTEINS, STORED IN SEEDS AND STORED AS STARCH
Explanation:
Glucose molecules together form cellulose, which builds or adds strength to cell walls. Glucose molecules also form carbohydrates. When combined with nitrates from the soil, glucose will form amino acids
the metabolism of mannose requires to produce for entry into the glycolytic pathway. i. phosphomannose isomerase; fructose-6-phosphate ii. hexokinase; glucose-6-phosphate iii. hexokinase; fructose-6-phosphate iv. phosphomannose isomerase; glucose-6-phosphate v. phosphofructokinase; bisphosphoglycerate
fructose-6-phosphate; fructomannose isomerase
Mannose enters glycolysis in what way?Mannose first undergoes phosphorylation by hexokinase before entering glycolysis. The phosphomannose isomerase enzyme then isomerises the freshly generated mannose-6-phosphate into fructose-6-phosphate. The sugar can now follow the typical glycolytic pathway because it is in the right shape.
Mannose, galactose, and fructose enter the glycolytic process in what way?Through fructose-1-phosphate, glucose enters the glycolytic route, mannose is phosphorylated to become mannose-6-phosphate, and galactose is enzymatically changed into glucose-6-phosphate.
Hexokinase is able to phosphorylate mannose.Although both enzymes can phosphorylate other hexoses including fructose and mannose, they can also support development on glucose.
Learn more about enzymes here:
https://brainly.com/question/14953274
#SPJ4