What should police officers do to prevent false identifications during lineups?
According to the cellular clock theory, after about 70 or 80 replications, the cell can no longer reproduce and the ________ are dramatically reduced.
A chronic disease caused by deficient activity of the islets of langerhans is
Corrina is a 25-year-old pregnant woman. her need for _____ is 50% higher than before she became pregnant. folate calcium vitamin d vitamin c
The plate pictured is from a past student. what is the most likely conclusion?
molecules tend to move from an area where they are more concentrated to an area where then are less concentrated. this process is called________?
A fruit fly has four pairs of chromosomes in its cells. at meiosis, how many different combinations of maternal and paternal chromosomes are possible in the gametes?
Which of the following is an example of active transport?
chromosomes migrating during cell division
water diffusing throughout the cytoplasm of a cell
cilia moving rapidly to propel a single-celled organism through water
proteins moving ions from low to high concentration across a cell membrane
Proteins move ions from a lower concentration to a higher concentration across a cell membrane is an example of active transport. Therefore, option D is correct.
What is active transport?Active transport is a cellular process in which molecules or ions are moved against their concentration gradient, from an area of lower concentration to an area of higher concentration. It requires energy input from the cell in the form of ATP (adenosine triphosphate) or another source of energy.
It can occur through various mechanisms, including primary active transport. It directly uses energy from ATP hydrolysis. Secondary active transport uses the energy from the electrochemical gradient established by primary active transport to move other molecules or ions against their concentration gradient. Therefore, option D is correct.
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Describe three abiotic factors that influence this ecosystem
which biomolecule builds bone and muscle
Hurricanes generally are ________.
a.larger than tornadoes
b.smaller than mid-latitude cyclones
c.areas of heavy rainfall and strong winds
d.all of these
Are things around us usually made of pure elements or combinations of elements?
Most of the things around us are combinations because if they were all pure elements then some would be very haazradous and could take the lives of many people like radium the rays of radium and any other radioactive elements like X rays they are actually bad for you but they arent as harful as any other rays. Uranium is one of the elements that can tell us if there are any rays. Other elements like magnesium is very thin and flammable, and magniesieum is harmful is consumed sometimes it is used in medicine and if that medicine is taken way to much then the person consuming it would have stomache cramps and facial ticks and have a risk of death. And water is not an elements water is a molecule, made of 2 hydrogen and one oxygen. Carbon dioxide is an element.....I think but it is made of carbon and 2 oxygens. I hope this brings out the idea that most elements around us are actually made of several elements so its a combination (molecule). Hope this helps. :)
What type of biome exists where it is both very cold and very dry?
Irreversible nerve damage may be caused by excessive intake of _______ supplements.
The answer is the vitamin B 6 supplement can cause irreversible nerve damage. Taking too many vitamins can cause also a toxic effect on our body. Too much vitamin B6 can also cause oversensitivity to sunlight, which can lead to skin rashes and numbness, as well as nausea, vomiting, abdominal pain, loss of appetite, and abnormal liver function.
In which part of a flower is pollen produced
Pollen is produced in the stamen.
Stamen is the male reproductive part of a flower that produces pollen. The stamen is composed of a slender filament and a compact body called anther. The anther within the stamen is where pollen is produced. The anther is supported by the filament. Hundreds of stamens or only few stamens may be found in a flower.
Answer: Pollen is produced in the stamen.
Explanation:
Gerd damages what part of the gastrointestinal tract?
Sleep disorder in which a person experiences terrifying sensations during nrem sleep
N ________ a single sperm cell from the man is injected using a microscopic needle, directly into each harvested egg from the woman. the resulting zygote is then transferred after a few days into the woman's uterus.
Jamie eats 240 gm of carbohydrate, 220 gm from fat, and 132 gm of protein each day. what is jamie's daily caloric intake
Answer: To determine the caloric intake,
240 grams of carbohydrate is equivalent to 240*4 calories per gram of carbohydrate=960 calories from carbohydrate
132 grams of protein is equivalent to 132*4 calories per gram of protein=528 calories
220 grams of fat is equivalent to 220*9 calories per gram of fat= 1980 calories
Therefore, the total calorie intake is (1980+528+960) calorie=3468 calorie is consumed by Jamie daily.
[tex] 240 grams of carbohydrate is equivalent to = 240*4 calories per gram of carbohydrate=960 calories from carbohydrate
132 grams of protein is equivalent to 132*4 calories per gram of protein=528 calories
220 grams of fat is equivalent to 220*9 calories per gram of fat= 1980 calories
(1980+528+960) calorie=3468 calorie [/tex]
What list is composed of substances widely used for many years without apparent ill effects?
Protein's structure formed by folding, coiling, and aggregation of polypeptides that is induced by distant residues in the chain is called what?
The goal of computer forensics _____.
is to obtain all the evidence available
is to maintain a secure environment
is to analyze the evidence and determine what happened
is to produce admissible evidence without altering any of the information
The goal of computer forensics is to obtain all the evidences available and then to analyse the evidence and determine what has happened. At the same time it goal is to produce admissible evidence without altering any of the information.
Answer:
The answer is option D.
Explanation:
The objective of PC crime scene investigation is to acquire every one of the confirmations accessible and after that to examine the proof and figure out what has occurred. In the meantime it objective is to create acceptable proof without adjusting any of the data.
Among all the hydrothermal areas in the world, the greatest concentration of activity is along the firehole river in ________. among all the hydrothermal areas in the world, the greatest concentration of activity is along the firehole river in ________. iceland california south africa wyoming spain
The correct answer is D. Wyoming
Explanation
Hydrothermal activity is a natural phenomenon that originates similarly to volcanic activity, because a crater is formed that emanates water at high temperatures from time to time, this is due to the fact that in the earth's crust it forms cabins in which it is housed the water, which heats up with the magma causing the pressure to increase, which causes the water to be fired by the crater.
The Firehole River is an American river thirty-four km long, located in the state of Wyoming in the northwest of the country, this river is characterized by hydrothermal activity, it is also part of the Yellowstone National Park where it is at least half of the geothermal activity in the world. This river runs until it connects with the Gibbon River, additionally, it is part of the system of rivers that make up the Missouri River. So, the correct answer is D. Wyoming.
A change in the frequency of any mutant allele in a population most likely depends on the
The frequency of any mutant allele in a population can depend on factors like the presence of beneficial alleles, chance events, successful reproduction, and abnormalities. The allele frequency changes due to selective pressures, where advantageous alleles become more common through natural selection.
Explanation:A change in the frequency of any mutant allele in a population most likely depends on a variety of factors, among which are the frequency of beneficial alleles, the effect of chance on a population's gene pool, successful reproduction, and the presence of any abnormalities in a population.
The allele frequency is the rate at which a specific allele appears within a population. Evolution in the context of population genetics is defined as a change in the allele's frequency in a population. One way allele frequency can change is through natural selection, where alleles that confer advantageous traits can lead to more successful reproduction and thus increase in frequency over time. For instance, using the ABO blood type system, if an allele like IA becomes more common because it confers a survival or reproductive advantage, the frequency of that allele in the population's gene pool will increase, illustrating evolutionary change.
It is also important to note that allele frequencies must always add up to 100 percent, indicating that a change in one allele's frequency impacts the frequencies of others. Studies, such as those on the peppered moth, help scientists track how selection forces influence allele frequencies, providing insight into the selective pressures acting on a population.
Which water-soluble vitamin can regenerate vitamin e after it has been oxidized? vitamin b6 folate vitamin c vitamin b12?
Vitamin C can regenerate vitamin E after it has been oxidized. So, the correct option is (C).
What are vitamins?A vitamin is defined as an organic molecule that is an essential micronutrient that an organism requires in small amounts for the proper functioning of its metabolism. Essential nutrients cannot be synthesized in the organism, either at all or not in sufficient amounts, and must be obtained through the diet.
These are a group of substances that are essential for normal cell function, growth and development. There are 13 essential vitamins needed by the body to function properly.
There are two types of vitamins: water-soluble and fat-soluble. Fat soluble vitamins involve vitamins A, D, E, and K. Water soluble vitamins involve vitamin C and the collection of B vitamins, Vitamin C can regenerate Vitamin E after been oxidized.
Thus, Vitamin C can regenerate vitamin E after it has been oxidized. So, the correct option is (C).
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Name two prey adaptations how does each adaptation protect the organism
Final answer:
Prey utilize adaptations such as camouflage to blend with their environment and mimicry to imitate more dangerous organisms, both of which enhance their survival prospects by discouraging predation.
Explanation:
Two prey adaptations that help protect organisms from predators include camouflage and mimicry. Camouflage allows prey to blend in with their surroundings, making it harder for predators to spot them. This can involve coloration, patterns, or shapes that resemble the environment. For example, a moth with wing patterns that resemble tree bark would be less visible to both predators and competitors. Mimicry, on the other hand, involves an organism adopting the appearance of another, usually more dangerous or unpalatable species. A classic example is a non-poisonous dart frog mimicking the bright colors of a poisonous species, thus deterring predators who might mistake it for the toxic variety.
the part of the stomach that lies above the esophagus is the:the part of the stomach that lies above the esophagus is the:
The correct answer is the fundus.
The stomach is divided into parts of which the fundus is the second; it stores all the undigested food and the gases that are released from the chemical breakdown of the food we eat.
After Dante catches the flu virus, he feels very tired and loses his appetite. His body aches and he gets a high fever. Which best describes Dante’s symptoms? they are a response to an infection, which is an internal stimulus they are a response to being tired, which is an external stimulus they are a response to hunger, which is an internal stimulus they are a response to an illness, which is an external stimulus
Answer:
it would be which is an internal stimulus they are a response to an illness
Explanation:
What is true about the number of organisms in an ecosystem?
While walking along a streambed, you encounter a reedy seedless plant. upon closer inspection, you determine that the stems contain large amounts of silica and have tiny scale-like leaves. this plant is most likely a?