Answer:
Enzymes in our bodies are catalysts that speed up reactions by helping to lower the activation energy needed to start a reaction. Each enzyme molecule has a special place called the active site where another molecule, called the substrate, fits.
Enzymes can be taken as biological and chemical catalysts which are proteins in biology and certain chemicals in chemistry.
They lower the activation energy in chemistry and in biology the speed up the chemical reaction while leaving the active site the same and they can be used again. Eg:- Amylase, protease, lipase are a few examples in biology and in chemistry there is iron, Vanadium(v) oxide and much more.
Hope this helps :D
The radius of the Crab Nebula is approximately 5.225 × 1013 kilometers. Use the conversion factor 1 light-year = 9.5 × 1012 kilometers to find the radius in light-years.
Answer:
Using the above conversion
9.5 x 10 ^12kilometers = 1 light year
Therefore 5.225 x 10^13 will be
5.225 x 10^13/ 9.5 × 10^12 × 1 light year
= 5.5 light years
The radius of the Crab Nebula is
5.5 light years.
Hope this helps
Answer:
Plato says 5.5 ly
HELP ASAP PLSS
1.How can we trace the lines of descent between species?
We can trace the lines of descent between species by three methods that are comparative anatomy, comparative embryology, and molecular genetics.
What is phylogenetics?
Phylogenetics is the study of evolutionary relationships among biological entities – often species, individuals or genes (which may be referred to as taxa).
Thus, We can trace the lines of descent between species by three methods that are comparative anatomy, comparative embryology, and molecular genetics.
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In which situation would artificial insemination most likely be used over other forms of treatment?
Artificial insemination can be used when there is a case of infertility.
This process lets the sperm skip the cervical mucus entirely . doctors often use this process when the reason for the couple’s infertility is unclear.
In case of endometriosis, this process is helpful in mild or moderate cases of endometriosis.
If I tell you that for every 1 teacher, there are 30 students what would the ratio be?
Answer:
The ratio would be 1:30, meaning for every 1 teacher there are 30 students.
Explanation:
Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?
A.Golgi apparatus
B. lysosome
C.ribosome
D.endoplasmic reticulum
What is the
measurement for a
distance traveled
in a certain
a
amount of time?
Answer:
The measurement for a distance traveled in a certain amount of time is
SPEED
THIS ASSIGNMENT IS DUE IN 20 MINUTES HELP!!!!!! What causes the temperature to increase with height through the stratosphere and decrease with height through the mesosphere?
The temperature increases on the stratosphere with the altitude, given that absorption of the ultraviolet rays by the ozone.
On the stratosphere, the water vapor and the umidity are almost nonexistents and, in view of the absorption of ultraviolet rays by the ozon, the temperature increases, reaching 35,6º Fahrenheit. The ozone is a unusual type of oxygen molecule. In the stratosphere, the ozone appears on a large scale and warms it up by the absorption of the ultraviolet rays energy.
The temperature decreases in the mesosphere since there is no ozone and the amount of air is decreasing.
Within the mesosphere, temperature decreases with increasing height, due to decreasing absorption of solar radiation by the rarefied atmosphere and increasing cooling by CO2 radiative emission. The top of the mesosphere, called the mesopause, is the coldest part of Earth's atmosphere.
The _______ is an important cranial landmark, as it houses the pituitary gland.
a. crista galli
b. hyoid bone
c. foramen ovale
d. sella turcica
The sella turcica is a vital cranial landmark, as it houses the pituitary gland Thus, option D: sella turcica is the correct answer.
Within the human skull, there is a tiny, bony nook at the base of the brain that holds and protects the pituitary gland which is known as sella turcica. The pitualirty gland controls how hormones work in the human body, thus their protection is necessary. So the sella turcica serves as a cephalometric landmark that houses the pituitary gland to provide it protection.
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How is the water and boiling point of water useful to us
Answer:
The boiling point of water can be used to illustrate the importance of hydrogen bonds in living systems. The boiling point of a compound is the temperature at which a liquid becomes a gas. When the temperature is high enough to separate the individual molecules from each other, they boil, or become a gas.
Explanation:
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Part D
Question
Next, you’ll build a simulation based on what you think will happen because of natural selection.
Here are two considerations:
Some individuals with harmful characteristics can still successfully reproduce, but they have an overall lower chance of doing so compared to organisms with neutral or beneficial traits.
Natural selection may affect distribution of traits. It’s possible that harmful traits could eventually disappear from the gene pool.
Don’t worry about precise population numbers. Based on your understanding of natural selection, you’ll be modeling only one scientifically plausible trend that can occur. There are several correct variations of this diagram. You’ll explain the justification for your choices in part E.
Assume that these plants have a life expectancy of about one year, but the rate of reproduction keeps their population consistently around 2,500 organisms. Using the same elements you used in part C, draw simulations for year 5 and year 10. Clearly label each simulation
This simulation shows the distribution of traits in the population of plants after 5 years of natural selection. There are still 2,500 organisms in the population, but the distribution of traits has changed.
What is simulation?Simulation is the process of using computers and mathematical models to study biological systems and processes. This type of simulation allows researchers to explore different aspects of biology in a virtual environment, from molecular interactions to the behavior of populations.
Year 5 Simulation:
This simulation shows the distribution of traits in the population of plants after 5 years of natural selection. There are still 2,500 organisms in the population, but the distribution of traits has changed. The number of organisms with neutral traits is the same, but there are now fewer individuals with harmful traits and more with beneficial traits.
Year 10 Simulation:
This simulation shows the distribution of traits in the population of plants after 10 years of natural selection. There are still 2,500 organisms in the population, but the distribution of traits has changed even more. The number of organisms with neutral traits has decreased, and the number of individuals with beneficial traits has increased significantly. The number of organisms with harmful traits has dropped to almost zero.
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Where would a frameshift mutation cause the most damage?
Near the very end of the gene
Near the beginning of the gene
Near the center of the gene
All frameshift mutations are equal
A person who is heterozygous for a gene with dominant and recessive alleles ____________ (will/will not) express the trait.
It is going to be will. any other questions?
What is sexual selection
What would happen to a cell if a chemical prevented mRNA from leaving the cell's nucleus?
Responses:
Translation would stop, and the cell could not produce proteins.
The nucleus would break down the mRNA until it could leave.
Proteins would be produced within the cell's nucleus.
Translation would proceed, allowing the cell to produce proteins.
Translation would halt and the cell would be unable to create proteins if a chemical prevented mRNA from exiting the nucleus. From the DNA in the nucleus, mRNA transports the genetic data to the ribosomes in the cytoplasm, where the data is translated into a protein.
Translation cannot take place if mRNA cannot exit the nucleus and reach the ribosomes. The cell cannot generate proteins, which are necessary for numerous biological activities, without translation.
TranslationWhen a ribosome connects to an mRNA molecule at the start codon, translation can start. Based on the mRNA codon sequence, transfer RNA (tRNA) molecules subsequently deliver amino acids to the ribosome.
The tRNA molecules carry the correct amino acid that corresponds to each codon and have an anticodon that matches the codon sequence in the mRNA.
The tRNA molecule is then released when the ribosome facilitates the development of a peptide bond between the amino acids. Up until it reaches a stop codon, the ribosome travels along the mRNA molecule, adding more amino acids to the expanding protein chain.
The finished protein molecule is now released from the ribosome and begins to fold into its final three-dimensional form.
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In the hydrologic cycle, water from the ocean into the atmosphere where it can and change back into tiny water droplets
Answer:
True
//////////////
what is the milliliters of the corn syrup ?
is the storage or shipment of flowers out of water.
A. Dry Pack
B. Filler
C. Mechanics
D. Vase Life
E. Processing
Answer:
i also need the answer to this question please!
Explanation:
Answer:
The correct option is E. processing
Hope this helps!
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Please help!!! I will mark you the BRAINLIEST
Answer:
Molecules stop moving at freezing point. Helium has the lowest boiling point. The molecules move very quickly at boiling point.
Explanation:
Heating up- molecules move faster. Cooling down- molecules move slower
Stephanie likes to party. She buys and drinks large amounts of alcohol. She is finding that the older she gets, the more forgetful she becomes. She often forgets to get up during the night to walk to the bathroom down the hall. So, her grandfather, who also likes to party, told her about this thing called a chamber pot, which she has named Harvey. She has had some success in using Harvey, but unfortunately still forgets to empty Harvey in the mornings before she goes to her 8:00 class. She has decided it is too much of a hassle to empty Harvey every morning. Last Thursday she was carrying Harvey and Harvey's contents to the dumpster at the back of her apartment near Turtle Pond. She turned around and saw her ex, who waved at her. She fought the urge to yell profanities and decided to wave back. Unfortunately, it was at that moment that she remembered she was still holding Harvey. Stephanie dropped Harvey. Harvey broke. Harvey spilled into Turtle Pond. What events most
likely happened after this incident? Choose all that apply and only those that apply.
• a.
Bacterial concentrations increased immediately and by a very large amount.
o b.
Organic carbon decreased and later returned to normal.
• c. Dissolved oxygen decreased and took a long time to return to normal.
D d. Algae decreased slightly and then grew by a very large amount.
• e. BOD levels quickly increased and then returned to normal, but not as fast as cyanobacterial levels.
Of.
Nitrate levels increased but not as much as ammonia levels.
We can see here that the events that most likely happened after Stephanie dropped Harvey into Turtle Pond are:
b. Organic carbon decreased and later returned to normal.
c. Dissolved oxygen decreased and took a long time to return to normal.
e. BOD levels quickly increased and then returned to normal, but not as fast as cyanobacterial levels.
What is an incident?An incident refers to an event or occurrence that deviates from the normal course of operations or expected behavior. It typically involves an unplanned or disruptive incident that may have negative consequences, requiring attention or intervention to resolve or mitigate its impact.
Incidents can occur in various contexts, such as in the workplace, public settings, or everyday life.
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the glomerulus is a unique high-pressure capillary bed because the
The glomerulus is a unique high-pressure capillary bed in the kidneys. This filtration bed is considered high pressure due to the type of vessels feeding and draining it. The afferent arteriole feeding the glomerulus is larger in diameter than the efferent arteriole draining the bed.
This anatomical characteristic makes the blood entering the bed to be under high pressure and leaves the bed under lower pressure. This pressure differential between the two arterioles forces fluids and solutes through the walls of the capillaries and into the urinary tubules for further filtration. Therefore, the larger diameter of the afferent arteriole provides a higher volume of blood under higher pressure to the glomerulus, increasing the efficiency of the filtration. The smaller diameter of the efferent arteriole slows the blood flow, increasing the pressure inside the capillaries and maintaining the high pressure in the bed. This anatomical feature provides a unique and efficient filtration mechanism to the kidneys.
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complete question: The glomerulus is a unique high-pressure capillary bed, because the ______ arteriole feeding it is larger in diameter than the ______ arteriole draining the bed.
What could a dog living now and a cat living thousands of years ago have in
common?
O A. They have the same bone structure.
B. They have some of the same matter.
C. They have the exact same DNA.
ОС
D. They have the same amount of energy.
Answer:
O A. They have the same bone structure
Explanation:
Correct me if I'm wrong
It is found by an organisation that more breaches of privacy have been occurring in it. As a result, the organisation must now record all the kinds breaches and problems involving privacy that occur if they do indeed occur in the future.
In this situation, an organization has found that more privacy breaches are happening, and as a result, the organization has to record all types of privacy breaches and issues that happen in the future. Privacy breaches can have a significant impact on individuals and organizations.
With the increase in the number of privacy breaches, the privacy of an individual or an organization is at risk. Organizations have a duty to protect the privacy of their clients, customers, and employees. They must ensure that the information they store is kept secure and confidential. When there is a breach of privacy, it can lead to a loss of trust, loss of business, and even legal action.
Therefore, it is essential for organizations to take privacy breaches seriously and take measures to prevent them from happening. In the case of an organization finding more breaches of privacy, it is necessary to record all types of breaches and problems involving privacy that occur in the future.
This is to ensure that the organization is aware of the issues and can take steps to prevent them from happening again. By recording these breaches, the organization can identify patterns and trends, which can help them to develop strategies to improve their privacy measures.
In conclusion, organizations have a responsibility to protect the privacy of individuals and should take measures to prevent breaches from happening. If breaches do occur, it is important to record them and take steps to prevent them from happening again in the future.
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during starvation, humans and other animals deplete glycogen and fat reserves first, followed by protein. True or false?
True. During periods of starvation, the body first turns to its glycogen stores, which are quickly depleted. After that, the body begins to break down fat reserves for energy. Only when those fat reserves have been depleted does the body start to break down protein, which can lead to muscle wasting and other health problems.
Protein is a vital nutrient that the body needs for numerous functions, including building and repairing tissues, producing enzymes and hormones, and maintaining a healthy immune system. However, the body can only store a limited amount of protein, so it must constantly be replenished through the diet. During periods of starvation, when the body is not getting enough food, it will eventually start breaking down its own protein stores to meet its energy needs. This is why it is so important to maintain a balanced diet that includes adequate amounts of protein, especially during times of famine or food scarcity.
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HELP BE SPEEDY When cells are damaged, new cells are created by cell division. How does the cell
theory support this fact?
a. It states that cells come from previously existing cells.
b. It states that all living things are made up of one or more cells.
c. It states that all cells have a nucleus which divides.
d. It states that the basic units of structure and function are cells.
Answer:
a. It states that cells come from previously existing cells
A biologist is studying a structure that is made up of two layers of phospholipids. What is she most likely studying?
Answer:
Phospholipid Bilayer
Explanation:
The cellular phospholipid bilayer has 2 layers of phospholipids(obviously), but keep in mind that the heads of said phospholipids are hydrophillic(loving water) and the tails are hydrophobic(hating water). This makes the 2 layers line up with heads facing away from each other and tails facing each other. This is so the bilayer can exist in the aqueous enviorment outside the cell as a barrier and inside the aqueous enviorment of the cell to transport materials in and out of the cell.
Answer:
She is most likely studying cell membranes
Explanation:
Took the test on Edgenuity
A botanist wants to study how the
amount of water is used when watering
10 pumpkin plant seedlings will affect
the growth of their pumpkins. She
carefully watered each plant with a set
amount of water each day and she
measured the total mass of the
pumpkins harvested at the end of 3
months.
Answer:
what's the question?????
How does cystic fibrosis affect mitosis? If yes, explain how.
Answer:
Yes, it does affect mitosis.
Explanation:
CF is caused by a mutation in the gene that produces cystic fibrosis transmembrane conductance regulator proteins. This defective CFTR protein will change ion influx and efflux across the body's cell membranes. This, in turn, will change the environment of the cells.
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: which of the following dna repair mechanisms is the most error prone? choose one: a. methyl-directed mismatch repair b. sos repair c. photoreactivation d. nucleotide excision repair
Methyl-directed mismatch repair is the most error prone.
Repair mechanisms are classified into three types: direct reversal of damage, excision repair, and post-replication repair. Direct reversal repair is damage-specific. In photoreactivation, for example, pyrimidine bases fused by UV light are separated by DNA photolyase (a light-driven enzyme).
At least five major DNA repair pathways are active throughout the cell cycle, allowing cells to repair DNA damage: base excision repair (BER), nucleotide excision repair (NER), mismatch repair (MMR), homologous recombination (HR), and non-homologous end joining (NHEJ). The majority of DNA damage is repaired by removing the damaged bases and then resynthesizing the excised region.
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I need to sleep please hurry I need the right answers fast!!!
Tissue :
Tissues are groups of similar cells from the same origin that work together to perform a specific function. Epithelial tissue, connective tissue, muscle tissue, and nervous tissue are the four basic tissue types defined by their morphology and function. Muscle tissue is composed of cells that can contract and allow animals to move.
Tissue ------------> Cardiac Muscle
Organ System :
An organ system is a group of organs that work together to perform a specific function. In the human body, there are eleven distinct organ systems, each with its own set of functions. The blood circulatory system is a group of organs that include the heart, blood vessels, and blood that circulates throughout a human's or other vertebrate's entire body.
Organ System ------------> Circulatory System
Organ :
An organ is a structure composed of various tissues that carry out specific bodily functions. Organs can be solid or hollow, and their size and complexity vary greatly. Organs include things like the heart, lungs, and brain.
Organ ------------> Heart
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I’ve missed a bunch of days due to covid so I don’t understand any of this I really just need the answers lol
Generally, for fast-dividing mammalian cells, the length of the cycle is approximately 24 hours. G1 is typically the longest phase of the cell cycle. Cells usually remain in G1 for about 1o hours of the 24 hours of the cell cycle. Usually, cells will take between 5 to 6 hours to complete S phase. G2 is shorter, lasting only 3 to 4 hours in most cells. In sum, then, interphase generally takes between 18 to 20 hours. Mitosis, during which the cell makes preparations for and completes cell division only takes about 2 hours.
From the given figure, mitosis takes 15 % of the 24 hours cell cycle. Plese see solution below:
24 hours x 15 / 100 = 3.6 hours