Which of these is true for a daughter cell produced by mitosis?
A. It functions in the same way as the parent cell.
B. It is unlike any other cell in the organism.
C. It has more cytoplasm than its parent cell had.
D. It is always a haploid cell.
The cell theory teaches that _____.
Answer: The correct answer for the blank is -
Cell is the basic structural and functional unit of all life forms, all living organisms are composed of basic unit called cells, and each cell arise from a previously existing cell.
Explanation -
The Cell theory was proposed by Schleiden and Schwann in the year 1839, according to which -
1) Cell is considered as the basic structural and functional unit of all life forms.
2) All life forms are made up of cell.
3) Every cell arise from a cell that already existed before.
The plasma membrane is _____ which means it permits the passage of only certain molecules into and out of the cell, and blocks the passage of some substance altogether
An iv catheter is to be inserted into a 3-year-old toddler's peripheral vein. as local topical anesthetic is applied, the toddler starts to cry and asks whether the insertion is going to hurt. how should the nurse respond?
An iv catheter is to be inserted into a 3-year-old toddler's peripheral vein. as local topical anesthetic is applied, the toddler starts to cry and asks whether the insertion is going to hurt. Yes it will hurt, but not for very long
what is catheter ?Catheter is a sterile instrument used to empty the urine straight from the bladder. The process of removal of urine from the bladder using catheter is called catheterization.
The type of catheter which is left within the body is called the indwelling catheter.
In medical line, these are device that are used for patient for passing out of excretion while on sick bed.
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All vertebrae possess a body, a spine, and transverse foramina. all vertebrae possess a body, a spine, and transverse foramina.
a. True
b. False
In humans, the maintenance of a stable internal temperature is a direct result of
Final answer:
The maintenance of a stable internal temperature in humans is the result of homeostasis, which involves various thermoregulation mechanisms like shivering to produce heat in the cold and sweating to cool down in heat.
Explanation:
In humans, the maintenance of a stable internal temperature is a direct result of a process called homeostasis. This essential function helps to keep the body's internal environment stable despite the changes in external conditions. Homeostasis doesn't only apply to temperature regulation; it also includes the management of pH levels, glucose concentration in the blood, and other vital variables that need to be maintained within narrow ranges to ensure the proper functioning of the body's cells.
The human body employs various mechanisms to maintain homeostasis and regulate body temperature, a process known as thermoregulation. For example, when exposed to cold temperatures, the body will begin to shiver to generate heat and maintain a stable internal temperature. Similarly, during high temperatures, the body can initiate sweating to help cool down. These responses are part of the body's complex system of checks and balances to ensure that optimal conditions for cellular function are preserved.
Which combination provides an example of protein complementation?
Peanut butter sandwich combination provides an example of protein complementation. Whenever legumes like beans, lentils, or peanuts are combined with grains like corn, wheat, or rice, a complete protein is introduced. Peanut butter on whole wheat is a snack that is pretty high in calories and provides a huge amount of all the essential amino acids and lots of healthy fats to boot
Protein complementation occurs when incomplete proteins from different plant sources are combined to provide all essential amino acids, like rice and beans combining grains and legumes to create a complete protein profile.
Explanation:Protein complementation is the process of combining incomplete proteins from various plant sources to provide all the essential amino acids that the body cannot produce on its own. A classic example of protein complementation is the combination of grains and legumes, such as rice and beans. This combination is effective because grains typically lack the amino acid lysine, while legumes lack methionine and cysteine. By consuming both throughout the day, even if not at the same meal, the body receives a complete amino acid profile similar to that found in complete proteins from animal sources.
The loss of Arctic sea ice has increased over the last several decades. Which of the following is an impact of decreasing sea ice that would reduce biodiversity the most?
A. The ice decreases the length of fishing seasons.
B. The melting ice provides more open land for plant growth.
C. The melting ice means less habitat for some marine species.
D. The oil rigs increase temperatures, resulting in species migrations
Answer: C. The melting ice means less habitat for some marine species.
Explanation:
The melting of ice of Artic sea ice will lead to the increase in the water levels which will be suitable for the survival of some of the aquatic species like krills, whales and fishes. But the animals which thrive over the frozen ice of Artic sea like penguines, polar bear will not survive.Hence, the diversity of the region will reduce.
Answer: C. The melting ice means less habitat for some marine species
Explanation:
What anatomical feature of the veins maintains a unidirectional flow of blood back toward the heart?
Which best defines the relationship between speed and velocity? Speed is velocity with displacement. Velocity is speed with displacement. Speed is based on a specific direction. Velocity is based on distance.
Answer : Velocity is speed with displacement
Explanation :
The speed of an object is defined as the total distance covered divided by total time taken.
The velocity of an object is defined as the total displacement divided by total time taken.
The speed is a scalar quantity because it has only magnitude while the velocity is a vector quantity i.e. having both magnitude and direction.
The relationship between speed and velocity is " velocity is speed with displacement ".
Hence, the correct option is (b).
What type of keyboard can help prevent injuries from using the keyboard for long periods of time?
One way a 50-year-old individual can help maintain lean body mass and minimize increases in body fat is to
Which type of protein, embedded in the plasma membrane, passively allows molecules to move through the membrane?
connecting
carrier
channel
identity and response
How does a population change as a result of natural selection?
Dangerously high body temperatures occur sometimes in the elderly due to
When the wall of the stomach fails to protect itself from erosion by gastric juice, the result is?
When the wall of the stomach fails to protect itself from erosion by gastric juice, the result is gastric ulcer.
What is gastric ulcer?
Gastric ulcers are sore-like condition formed due to the effect of acid produced inside the stomach. The acid damages the layer of stomach. Ulcers when treated on time can be cured easily. However, they can become dangerous when not treated on time.
The symptoms of ulcers are severe pain, nausea, vomiting, loss of appetite, acid reflex, etc.
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High levels of ______ are essential in the medical field.
Which structure connects the knee joint at both sides and prevents its dislocation?
Collateral ligaments are two strap-like ligaments that act to stabilize the hinge motion of the knee, preventing any lateral or medial movement. It is the structure that connects the knee joint at both sides and prevents its dislocation. There are two types: Tibial (medial) collateral ligament and Fibular (lateral) collateral ligament.
Which blood test is performed to measure the level of glucose after the patient has not eaten for at least 12 hours?
5. Suppose a dominant allele (N) codes for a big nose and a recessive allele (n) codes for a small nose. Imagine that an organism receives a dominant allele from its mom and a dominant allele from its dad. What can be determined about its genotype and phenotype?
A. The organism has a large nose, because it's homozygous.
B. The organism has a large nose, because it's heterozygous.
C. The organism has a small nose, because it's heterozygous.
D. The organism has a small nose, because it's homozygous.
Compare and contrast baby suggs before and after sethe's arrival at 124
Which of the following energy sources is expected to have the highest rate of consumption in 2030?
a. coal
b. natural gas
c. nuclear
d. renewable energy
Answer:
The answer is, A. coal
Explanation:
Answer:
that answer is correct !!
Explanation:
just took test on edg
A group of scientists examined a meteorite from Mars and found a carbon-rich substance that is produced when microorganisms decay. They concluded that the meteorite provided evidence there was once life on Mars. Why is this an emerging idea?
Other scientists disagree about the origin of the carbon-rich substance.
The scientists only studied one meteorite
Convection heat loss reduces body temperature by way of:
What of the following statements is true about catalysts?
A. Catalysts slow down the rate of chemical reactions
B. All catalysts are enzymes
C. Catalysts are used up during a chemical reaction
D. Catalysts lower the activation energy of a chemical reaction
The fact that is true about the catalyst is that catalysts lower the activation energy of a chemical reaction that is present in Option D. The catalyst that is present in animals, plants, and other biotic individuals is called a "biocatalyst."
What is the biocatalyst?A catalyst is given to a chemical reaction so that the reaction gets faster and the product is formed from the reactants, but not all reactions need a catalyst. Only the slow reactions need catalysts, but some reactions are naturally fast and don't need them.
In living individuals, the catalysts that are present are called "biocatalysts" because they increase the reaction rate by lowering the activation energy of the substrates. There are lots of enzymes that are required for each and every reaction, such as glycolysis, the Krebs cycle, etc.
Hence ,The fact that is true about the catalyst is that catalysts lower the activation energy of a chemical reaction that is present in Option D.
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Learned helplessness is likely to be accompanied by ________ cortisol levels and ________ blood pressure.
The given blank can be filled with decreased and decreased.
Learned helplessness refers to a state in which an individual suffers from a feeling of powerlessness, resulting due to continuous failure to succeed or due to a traumatic event. It is considered to be one of the main causes of depression.
In the condition, the cortisol levels of an individual get decreased, which eventually results in the reduction of blood pressure.
In which of the following ways are tRNA and mRNA different?
a. The mRNA repairs mistakes in the DNA while tRNA repairs proteins.
b. Only tRNA bends into a shape that can carry specific amino acids.
c. Only tRNA can come in contact with the ribosomes in the cytoplasm.
d. The mRNA uses uracil while the tRNA uses thymine in its place.
tRNA and mRNA differ in their functions in protein synthesis, where tRNA carries specific amino acids to the ribosome and mRNA carries the codon sequence that dictates the order of amino acids. It is the 3D structure of tRNA that allows it to perform its role; both tRNA and mRNA use uracil, not thymine.
Explanation:The differences between tRNA (transfer RNA) and mRNA (messenger RNA) are significant in the process of protein synthesis. The correct answer to the question is option b. Only tRNA bends into a specific three-dimensional structure that enables it to carry specific amino acids to the ribosome during protein synthesis. mRNA, on the other hand, is a single-stranded transcript of DNA that carries the genetic code for a protein which is read in sets of three bases called codons, where each codon corresponds to one amino acid.
Moreover, tRNA molecules have anticodons that pair with the codons on the mRNA strand, thus ensuring the insertion of the correct amino acid into the growing polypeptide chain. mRNA does not have amino acid-carrying capacity. Unlike mRNA, tRNA is not involved in carrying the genetic instructions directly from DNA; instead, it plays a crucial role in translating mRNA’s codons into the amino acid sequence of proteins.
It is also important to note that both mRNA and tRNA, like all types of RNA, use uracil instead of thymine. Therefore, the statement in option d, which claims that tRNA uses thymine, is incorrect as thymine is found in DNA, not RNA.
Which membrane surrounds the others? hints which membrane surrounds the others? perimysium epimysium exomysium endomysium?
Which action is prevented by the cell membrane?
How has our understanding of membrane permeability changed since the discovery of aquaporins?