Answer:
The centre
Explanation:
The reason is that there's less friction at the center.
Hope this makes sense! If you have further questions, let me know!
- profparis
What happens to the lac operon when glucose and lactose are present
Answer:
If both glucose and lactose are both present, lactose binds to the repressor and prevents it from binding to the operator region.
Explanation:
What is the name of the microtubule-organizing center found in animal cells that is present during all phases of the cell cycle?
Answer:
It is called the Centrosome
Explanation:
The Centrosome is known as the main microtubule organizing center of animal cells, the Centrosome participates in the organization of the microtubule network within a cell. It's formed with two centrioles surrounded by a matrix of proteins called pericentriolar material.
The cell cycle includes various phases. The microtubule-organizing center found in animal cells is present during all phases of the cell cycle are centrosomes.
What is a centrosome?A centrosome is a cellular organelle which is involved in the process of cell division.
Before cell division, the centrosome duplicates, as division begins, the two centrosomes starts moving to opposite ends of the cell.
It is the main microtubule-organizing center (MTOC) of animal cell. It is also a regulator of cell cycle progression.
Thus, the centrosome is the microtubule-organizing center found in animal cells that is present during all phases of the cell cycle.
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When you ice skate, the heat generated by the blade of the skate rubbing against the ice causes some of the ice right under the blade to melt. This water acts like a lubricant under the skate that allows the skate to slide.What causes the ice to melt under the blade?
A) weight
B) friction
C) magnetic energy
D) electromagnetic energy
Answer:
Friction
Explanation:
When an object comes into contact with another object, friction is created, some objects have lower or higher friction when they meet each other, tires and the road for instance. Wheels are designed to lower friction, just as an ice skate is made to glide across the ice.
A tall pea plant (Tt) is crossbred with a short pea plant (tt). The following Punnett square shows the separated alleles for two pea plants.
Punnett square showing female parent across the top with a phenotype of tall and a genotype of Tt and a male parent across the side with a phenotype of short and a genotype of tt. Inside the top left box 1 is written, inside the top right box 2 is written, inside the bottom left box 3 is written, inside the bottom right box 4 is written.
Which of the following shows the correct match of the box numbers and the genotype of the offspring?
1 = Tt; 2 = tt; 3 = Tt; 4 = tt
1 = Tt; 2 = Tt; 3 = Tt; 4 = Tt
1 = Tt; 2 = Tt; 3 = tt; 4 = tt
1 = Tt; 2 = tt; 3 = tt; 4 = tt
Answer:
the first option is correct
1 = Tt; 2 = tt; 3 = Tt; 4 = tt
Awnser the science problem
Answer:
okay
Explanation:
1. When different forces have the same magnitude but go in oppisate direction
2.oppisate direction
3. speed and time
What part of the cell provides temporary storage of food, enzymes, and waste products
Answer:
The Vacuole is the part of the cell that provides temporary storage to food, enzymes, and waste products.
Explanation:
The cell is the basic or fundamental unit of life. It is composed of a cell membrane, cytoplasm and cell organelles. The organelle that provide temporary storage for food, enzymes and waste products is vacuole.
What is vacuole?Vacuole is a membrane-bound cell organelle that is permanent and large in size in plant cell, but are temporary or nearly absent in animal cell.
It is the compartment that occupies a significant volume in plant cell.It is temporary location for the storage of food, enzymes and other waste products.
Thus, vacuole is the cell that provides temporary storage of food, enzymes, and waste products.
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What is the main difference between adult and embryonic stem cells
Answer:
A variety of adult stem cells can be found, but embryonic stem cells are derived from the three germ layers. The main difference between adult and embryonic stem cells is that adult stem cells are multipotent whereas embryonic stem cells are pluripotent.
HOPE THIS HELPS, HAVE A GREAT DAY!!~
Explanation:
Help the Rossis understand how it is that Kai has NF1. Did he acquire it from them, or, was his case spontaneous? Explain your reasoning and, in your explanation, include the following terms or concepts, underline each: genotype phenotype, hom0zygous heterozygous inheritance alleles dominant recessive
Neurofibromatosis type 1, also know as NF1 is a genetic disorder that is caused by gene changes (also called mutations). The NF1 Gene is found on chromosome 17 and it carries the instructions to create a protein called NF! NF1 regulates mitosis, and works to prevent cells from growing and dividing in an uncontrolled way. The cells of individuals with NF1 divide out of control, leading to the creation of tumor. We have found that Kai has one mutation that was detected in the NF1 gene.
Kai may have NF1 Because of the parents may be a carrier The genes we inherit compose our genotype and determine the physical characteristics we possess, our phenotype. Alleles are important for the variations in which the trait can be expressed. The stronger allele is known as the dominant gene, and the weaker allele is known as the recessive gene. A phenotype is an individual's observable traits, such as height, eye color, and blood type.
The genetic contribution to the phenotype is called the genotype. The gene changes can be passed from parent to child, or they can happen on their own. If you have NF1 or NF2, your baby has a 50-percent chance (1 in 2) of inheriting it from you. heterozygous are carriers in recessive genetic disorders a person with recessive alleles but does not display trait, can pass the trait.
When there is two identical alleles of a particular gene that is h.o.m.ozygous and if there is two different alleles of a particular gene or genes, then that is heterozygous.
Neurofibromatosis kind 1, additionally recognise as NF1 is a genetic disease this is due to gene adjustments (additionally referred to as mutations).
The NF1 gene is discovered on chromosome 17 and it includes the commands to create a protein referred to as NF1 regulates mitosis, and works to save you cells from developing and dividing in an out of control way. The cells of people with NF1 divide out of control, main to the advent of tumor. We have discovered that Kai has one mutation that changed into detected withinside the NF1 gene.Kai can also additionally have NF1 Because of the mother and father can be a provider the genes we inherit compose our genotype and decide the bodily traits we possess, our phenotype. What is genetic contribution?The genetic contribution to the phenotype is referred to as the genotype. The gene adjustments may be exceeded from determine to child, or they could occur on their own.
Thus it is clear.
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Hi, can you please answer these questions?
Which of the following triggers for asthma is most commonly found in the home?
A.] Dust mites
B.] Flower pollen
C.] Sawdust
D.] Cold air
Which of the following cannot be prevented by healthy living activities?
A.] Influenza
B.] Iron-deficiency anemia
C.] Sickle cell anemia
D.] Chronic heart disease
I kindly ask that you please answer these last 2 questions, ty
Answer:
1. is A
2. is A
Explanation:
anyone can get the flu no matter how healthy you are and dust mites are most common
How many atoms are in the unit cell of a body-centered tetragonal space lattice?
Answer:
2 atoms
Explanation:
BCT stands for body-centered tetragonal space lattice. It is a crystal structure of 8 atoms forming tetragon corners with one central atom. BCT has 2 atoms per unit cell.
What is body-centered tetragonal space lattice?BCT is an 8 atom crystal structure which forms tetragon corners and one atom in center. It has 2 atoms in a unit cell.
It is related to material science, physics and crystallography.
It is actually a distortion of the bcc lattice, It is the monatomic analog of the L10 structure.
Thus, body-centered tetragonal space lattice has 2 atoms in the unit cell.
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How does emissions of carbon dioxide impact climate change?
Answer:
The carbon emissions trap solar energy in the atmosphere which causes global temperatures to increase, this is also called the greenhouse effect. Since the global temperatures will increase, ice in the polar regions will melt causing the water level to increase leading to an influx of problems.
Explanation:
What structural features do cellulose and glycogen share, and in what ways do they differ?.
Answer:
Option (b) Both are polymers of D-glucose but cellulose is connected by ( beta 1-4 ) glycosidic linkage whereas glycogen is connected by ( alpha1-4) glycosidic linkage....
Explanation:
:)
The same monomer, glucose, is used by both cellulose and glycogen.Six carbon atoms make up the ring structure of glucose.Different structures can be made by joining separate glucose rings together at various carbons.
What structural features do cellulose and glycogen share?
Glucose subunits make up the polysaccharides that make up starch, cellulose, and glycogen.In contrast to cellulose, which consists of -glucose subunits, starch and glycogen are composed of -glucose subunits.Starch and glycogen are branched polymers of glucose, whereas cellulose is an unbranched, straight-chain polymer of glucose.Let's explore the variations among these polysaccharides. Composition of Cellulose.The primary structural element of a plant's cell wall is cellulose.It can only be found in plants.The most prevalent organic compound in the plant kingdom is cellulose.It is composed of 1-4 glycosidic linkages that connect its -glucose subunits.This glucose polymer is straight and unbranched.Strong fibers are created by hydrogen bonds between adjacent chains of glucose units. Organization of Glycogen,In both animals and fungus, it serves as the primary storage carbohydrate.Its structure is similar to that of amylopectin and is heavily branched.It is a polymer made up of 1,4 and 1,6 glycosidic linkages that connect different -glucose subunits.After around every 10 subunits, it branches.Another name for glycogen is animal starch.It is kept in the brain, muscle, and liver.Glycogen is converted to glucose during a process known as glycogenolysis whenever the body needs energy.The degradation of glycogen is catalyzed by the enzyme glycogen phosphorylase.Phosphoglucomutase uses glucose to produce glucose-1-phosphate, which is then changed into glucose-6-phosphate.Glycogen is created from glucose as blood glucose levels rise.Glycogenesis is the term used to describe the process of making glycogen.Hormones regulate the interconversion of glucose to glycogen.Insulin induces glycogenesis while glucagon and adrenaline encourage glycogenolysis.To learn more about cellulose refer
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what are the three types of fermantation
Answer:
Lactic acid fermentation.
Yeast strains and bacteria convert starches or sugars into lactic acid, requiring no heat in preparation.
Ethanol fermentation/alcohol fermentation.
Acetic acid fermentation.
Explanation:
hope it helps
3. How is heat transferred within the Earth?
(5 Points)
O A. by conduction
O B. by radiation
O C. By seismic waves
O d. by gravity
the answer is D
"During convection, heat is being transferred between substances in direct contact with each other by electro magnetic waves."
"Using the molten rock to explain the convection in the earth relative to how if affects the weather condition. Here, the rock is in a molten state, rising up from the bottom of the mantle after becoming hotter and less dense from the heat of the earth's core. As the rock loses heat into the earth's crust, it become cooler and more dense,sinking back to the core. These constantly circulating cells of hotter and cooler molten rock help to heat the earth's surface."
suggest two steps to save water
Answer:
There are a few easy things you can do at home to help relieve the strain on your local water supply while also saving money. While brushing your teeth, turn off the faucet. When you have a full load, just use the washing machine and dishwasher. Use a low-flow shower head and aerators on the faucets. Repair any leaks.
Explanation:
Answer:
use water carefuly.
use when needed.
Explanation:
Which characteristics were first observed in fish?.
what do you think are the odds of getting four tails in a row? Explain your answer.
Answer:
It depends on how many flips you do.
Explanation:
None.
can a person have more than 46 chromosomes? what would be the results if this hapened
Answer:
Yes, they can. Birth defects can impact a chromosone count. People with down syndrom have more than 46 chromosones and it occurs when someone is born with a full or partial extra copy of chromosome 21.
Explanation:
1. During the normal life of a somatic animal cell, which of the following puts the observed cellular
processes in order from interphase to cytokinesis using the pictures in Diagram 1?
The diagram is not found here, but the order of steps in the cellular division is interphase (G1, S and G2) >> mitosis >> cytokinesis. It is the cell cycle.
What is the cell cycle?The cell cycle refers to the events that occur from a cell form until it divides to produce two daughter cells.
The cell cycle can be divided into interphase, mitosis and cytokinesis (i.e., division of the cell cytoplasm).
Interphase has there main steps, i.e., Growth 1 (G1) phase, Synthesis (S) phase, and Growth 2 (G2) phase.
In turn, mitosis can be divided into prophase, prometaphase, metaphase, anaphase and telophase.
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What is the role of worms bacteria and fungi in a food web.
Answer:
Decomposers are organisms (mostly bacteria and fungi) that break down dead plants and animals, eventually turning them into nutrients that will be added to soil. These nutrients are very important to continue the cycle in the ecosystem. Slugs, earthworms, millipedes, and centipedes also help break down dead things.
Explanation:
Which country would most likely be affected by a typhoon?.
Answer:
The Philippines.
Explanation:
The Philippines receive the brunt of the landfalls, with China and Japan being less often impacted.
List 3 ways the alveoli are built in a specialized way to do their job.
Answer:
Alveoli are tiny, balloon-shaped air sacs. Their job is to move oxygen and carbon dioxide (CO2) molecules into and out of your bloodstream.
Explanation:
What are the strengths and weakness of gel electrophoresis ?
Answer:
Hello.
• gels can melt during electrophoresis, the buffer can become exhausted, and different forms of genetic material may run in unpredictable forms.
• And the strengths could be that it separates based on size, it is relatively easy to do.
What are the advantages and disadvantages of DNA Amplification??
Answer:
advantages
The DNA polymerase used in the PCR reaction is prone to errors and can lead to mutations in the fragment that is generated.
disadvantage
PCR involves repeated cycles of denaturation, amplification, and replication, in which segments of deoxyribonucleic acid (DNA) are continuously multiplied.
...
Name the four processes of the nitrogen cycle and describe what happens in each process.
Answer:
nitrogen fixation, ammonification, nitrification, and denitrification.
Explanation:
What is the purpose of Gram staining?
A. to determine which of three shapes the bacteria is
B. to organize bacteria into two main groups based on their cell walls
C. to kill the bacteria by putting it in a hypertonic state
D. to determine what symptoms the bacteria will cause
The monarch butterfly population has declined due to a scarcity of:.
Answer:
The monarch butterfly population has declined due to a scarcity of milkweed
Alternative energy sources come from renewable processes. please select the best answer from the choices provided t f
The statement 'alternative energy sources come from renewable processes' is TRUE.
What are alternative energy sources?The alternative energy sources are different types of energy produced by reversible natural processes.
These types of energy are constantly produced by the surrounding environment and can be reused.
The alternative energy sources include, among others, solar energy, wind energy, geothermal energy, etc.
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Answer:
true
Explanation:
Modify adenosine triphosphate (atp) to give the remaining product of atp hydrolysis
In ATP hydrolysis, ATP is converted into adenosine diphosphate (ADP).
What is ATP hydrolysis?When one phosphate is removed from ATP molecule by breaking a phosphoanhydride bond. This process is called hydrolysis in which energy is released, and ATP is converted into adenosine diphosphate (ADP).
So we can conclude that in ATP hydrolysis, ATP is converted into adenosine diphosphate (ADP).
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During ATP hydrolysis, the molecules of ATP get transformed majorly into the ADP and also in the AMP.
What do you mean by ATP hydrolysis?ATP hydrolysis may be defined as the process through which the phosphates groups are removed from ATP to synthesize ADP or AMP. This process is exothermic in nature.
The energy is released during the breakdown of phosphoanhydride bonds. The process of ATP hydrolysis is the catabolic reaction.
Therefore, during ATP hydrolysis, the molecules of ATP get transformed majorly into the ADP and also in the AMP.
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What are some of the different areas of the body that may give an indication of age?
Answer:
Aging changes occur in all of the body's cells, tissues, and organs, and these changes affect the functioning of all body systems.
Explanation:
Answer: Head, Chest, Brain (
Explanation:
(The brain doesn't stop growing until the age of 25)
(People grow new "parts" of the body as they get older, and some have to wait until a certain age for those "parts" to grow 'in')
The head doesn't stop growing until age 5. (not a lot in age but you can tell the difference between a newborn and a child)