Question 14 unsaved unlike endocrine glands, exocrine glands question 14 options: release hormones. release secretions directly into the blood. release secretions outside of the body. do not usually have ducts.
Endocrine glands are glands that secrete chemical materials into the bloodstream or tissues of the body. Endocrine glands are distinguished by being ductless. Where exocrine glands are those that secrete chemical materials into the ducts to be released outside the body.
The movement of air pollutants via evaporation and winds from tropical and temperate areas to polar regions is referred to as ____.?
Air pollutants are the chemical and hazardous particles that contaminate the quality of the air and degrade it. The atmospheric air can get contaminated by human interference and many other reasons.
The grasshopper effect is the movement of air pollutants.
The grasshopper effect can be explained as:It is a geochemical process that carries and transports the chemicals and pollutants from warm towards the colder regions of mountains and poles.It is also called global distillation and is caused by the entrapment of the particles and pollutes that gets carried to the colder region by evaporation and winds.Therefore, the correct blank is the grasshopper effect.
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Which of the following icons is used to represent a male affected with a disease?
A half-filled circle
A half-filled square
A completely filled circle
A completely filled square
Drinking five ounces of wine is better for the body than drinking twelve ounces of beer because there's less pure alcohol in a glass of wine. please select the best answer from the choices provided. t f
The given statement is False.
The concentration of alcohol in beer is 4-5% and the concentration of alcohol in wine is 12-14%. Which means there is less pure alcohol in the beer as compared to that of wine.
Drinking beer is more beneficial for the body as compared to that of wine. It has more health benefits compared to that of wine.
The given statement is false because there is more pure alcohol in wine than in beer.
Which of beer or wine has a higher alcohol percentage?Wine and beer are both alcoholic beverages, however the percentage of alcohol on wine is greater than that in beer.
Beer contains alcohol of about 4 to 5% while wine contains alcohol of about 12-15%.
Therefore, there is more pure alcohol in wine than in beer and the given statement is false.
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What do scientists determine by combining evidence from fossils, body structures, early development, dna, and protein structures?
Which part of the spermatozoa contains the most mitochondria?
a. tail
b. midpiece
c. head
d. acrosome?
Food aversions can be related to food allergies or to _____ to food.
Answer: adverse reactions
A 14-year-old boy has been brought to the emergency department by his mother in excruciating pain that is radiating from his scrotum to his inguinal area. the boy's heart rate is 122 beats per minute and he has vomited twice before arrival at the hospital. examination reveals that his scrotum is reddened and slightly swollen and the testes are firm to touch and tender, with extensive cremaster muscle contraction noted. what is the boy's most likely diagnosis?
Alcohol will make it easy for you to feel as if you're __________ when you're not. A. crashing B. falling C. standing still D. impaired
The _____ lobe controls voluntary muscle actions and the muscles of speech.
the photograph show root vegetables what makes root vegetables a renewable resource?
A nutrients and calories
B taste and color
C supply and demand
D growth and reproduction
Identify the mechanism discussed below. The transfer of genes from one population to another Drives the changes that occur in populations A permanent change in the DNA sequence of a gene The random change in the frequency of an allele in a population
Answer:
B,D,A,C
Explanation:
The mechanism to the following statements are:
a. The transfer of genes from one population to another is gene flow.
b. Drives the changes that occur in populations are due to natural selection.
c. A permanent change in the DNA sequence of a gene is mutation.
d. The random change in the frequency of an allele in a population is genetic drift.
What is the variation?Variation is the difference in DNA between individuals or between populations.
Mutation and genetic recombination, natural selection, genetic drift are all the many origins of genetic diversity.
Thus, the correct mechanism is a. gene flow, b. natural selection, c. mutation, d. genetic drift.
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A preliminary radiograph taken before contrast dye is injected is referred to as a/an ________.
A scout film
A scout film is the initial radiograph that is taken to provide an initial view of an area before contrast dye is injected. Scout film is a simple and definite procedure that helps in diagnosing conditions that are not true clinically.What is a renewable source?
Rudolf is dealing with impending layoffs at work. yesterday, at a pharmacy, he measured his blood pressure and it was high. he also notices that when he thinks about the future, his heart rate accelerates. rudolf is demonstrating ________ symptoms of stress.
Physiological symptoms of stress
Stress plays aggravating role in diseases and it affects every parts of the body. Many emotional and physical disorders have been associated with stress including stroke, anxiety, hypertension, depression and many more. Stress symptoms can affect one’s health and can lead to other illnesses. For the question given above, Rudolf is demonstrating physiological symptoms of stress.
How were American farmers in the 1940s impacted by new technology? a. They were able to increase their productivity due to the popularity of tractors. b. They experienced an increase in the demand for fresh foods. c. The introduction of new technology decreased their rate of productivity. d. Farmers were not impacted by new technology in the 1940’s.
Correct Answer is A. They were able to increase their productivity due to the popularity of tractors.
Answer:
A. They were able to increase their productivity due to the popularity of tractors.
Explanation:
People sometimes use certain chemicals to kill unwanted plants. These chemicals seep into the ground and damage the roots. Explain why damage to the roots could kill the plant.
Because a plant's roots are so important to its overall health and functionality, damage to them can be detrimental to the plant's ability to survive.
Plants are supported structurally, anchored in the ground, and have roots that draw water and nutrients from the soil around them. Additionally, they make it easier for water and nutrients to reach the rest of the plant. Dehydration, malnutrition and general physical stress result from chemicals that damage the roots' ability to absorb nutrients and water. Lack of sufficient water and nutrients disrupts the plant's metabolism, resulting in wilting, stunted growth, and eventually plant death.
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In the food pyramid, the greatest biomass appears at the level of A) Birds and Mammals. B) Insects and Zooplankton. C) Phytoplankton and Bacteria. D) Small Fish and other Aquatic Species
Answer:
plankton and bacteria
Explanation:
Answer: C. Phytoplankton and bacteria
Explanation: Usatestprep
What group makes up the largest level of an energy pyramid?
The largest level of an energy pyramid is composed of producers, which are photosynthetic organisms like plants that convert solar energy into organic food, supporting all subsequent trophic levels. With the most energy at the base, producers ensure energy transfer through the ecosystem, but energy decreases by about 90% with each ascending level.
The group that makes up the largest level of an energy pyramid is the producers. These are typically plants or other photosynthetic organisms at the base or the first trophic level of the pyramid. They are crucial because they convert energy from the sun into organic food through photosynthesis and support all other trophic levels above them. In a standard pyramid of energy, which shows the total amount of energy in the biomass at each level, producers have the most energy because they start the energy flow through the ecosystem.
In an ecological pyramid, energy and biomass decrease as you move from lower to higher trophic levels. For instance, if producers have 1,000,000 kilocalories of energy, only about 10% of this energy is available to the next level, the primary consumers. Consequently, there must be a larger biomass of producers to sustain the energy needs of the organisms in the subsequent levels of the pyramid. The energy pyramid is always upright because energy flow in an ecosystem always goes in one direction—from the sun to producers, then to consumers, and so on—with energy being lost at each step, primarily as heat. This loss of energy explains why energy pyramids cannot support more than 4 or 5 trophic levels.
Name the part of the respiratory system that routes food and air
Why is it important for women to perform breast self - examinations?
Scientists typically transgenically alter ________ to produce more desirable species.
a.bacteria
b.humans
c.livestock
d.plants
The basic difference between spermatogenesis and oogenesis is that ________. the basic difference between spermatogenesis and oogenesis is that ________. spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only the mature ovum is n, while the sperm is 2n during spermatogenesis two more polar bodies are produced in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell
Answer:
Mature ovum is being produced in oogenesis, while spermatogenesis has four mature sperms that contains enzymes due to that the sperm is able to penetrate an egg
Explanation:
What do the brackets around a chemical mean, like for [h + ]?
In chemistry, the brackets surrounding a chemical symbol or formula indicate the concentration of that substance.
Explanation:In chemistry, the brackets surrounding a chemical symbol or formula indicate the concentration of that substance. For example, [H+ ] represents the concentration of hydrogen ions in a solution.
The relatively sudden appearance of many new species when niches and habitats are made available as a result of mass extinction
The relatively sudden appearance of many new species when niches and habitats are made available as a result of mass extinction is adaptive radiation.
What is Adaptive radiation?The evolution of a group of animals or plants into numerous forms that are adapted to different lifestyles is known as adaptive radiation. The strongest examples of adaptive radiations are seen in populations that are closely related and have only recently evolved.
A striking example is the evolution of primitive mammalian species into those that can run, jump, climb, swim, and fly starting in the Paleogene Period (66 million years ago).
The evolution of a group of animals or plants into numerous forms that are adapted to different lifestyles is known as adaptive radiation.
Therefore, The relatively sudden appearance of many new species when niches and habitats are made available as a result of mass extinction is adaptive radiation.
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Francesco redi performed an experiment in 1668. in the experiment, he placed rotting meat in two jars. the first jar was left open. after a few days, fly larvae were found on the decaying meat inside. the mouth of the second jar was covered with gauze. after a few days, the decaying meat inside was free of fly larvae, but larvae were found on the gauze. this experiment supports the hypothesis that
The experiment performed by Francesco Redi supports the hypothesis that fly larvae only come from adult flies based on his experiment design using a covered-meat and non-covered meat. In addition, he also believed that maggots came from the fly rather than from the rotten meat by using the same experiment design.
The tryptophan operon is a repressible operon that is turned off whenever tryptophan is added to the growth medium. turned on only when tryptophan is present in the growth medium. turned on only when glucose is present in the growth medium. permanently turned on.
The tryptophan operon is a repressible operon, usually active but can be turned off when the level of tryptophan is high. Its operation does not depend on the presence of glucose nor is it always turned on.
Explanation:The tryptophan operon is a segment of DNA involved in regulating the production of proteins related to the absorption and breakdown of tryptophan. It is an example of a repressible operon. Normally, the operon is active, but the presence of tryptophan inhibits its activity. When tryptophan levels are high, the operon is turned off and does not produce related enzymes. When tryptophan levels are low, the operon is active and increases production of these enzymes. It is not affected by the presence of glucose and is not permanently turned on.
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__________ is caused by a small parasite that burrows in the superficial layers of the skin, where it lays eggs that hatch in a few days. this causes intense itching.
Out of the following given choices;
A)Lice
B)“Swimmer’s itch”
C)Scabies
D)All of the above
The answer is C. Scabies is caused by female mites (Sarcoptes scabiei) that burrow under the skin and lay the eggs. Allergic reactions to the deposited eggs are what cause the symptoms of scabies. Scabies is among the most contagious skin infections.
Over half of all u.s. msw consists of ________. over half of all u.s. msw consists of ________. toxic waste plastics, metals, and glass glass, rubber, and wood plastics and metals paper, food waste, and yard waste
Using the amino acid codon chart, what will happen to this protein sequence if the mutation shown occurs?
Original sequence mRNA: CAG GGA GCA UUA
Mutated sequence mRNA: CAG UGA GCA UUA
A)The seqence will stop at gln, because UGA is a stop codon. B)The sequence will change from gln-gly-ala-leu to gln-thr-ala-leu C)The sequence will remain gln-gly-ala-leu, because GGA and UGA both code for gly. D)It cannot be known what will happen, because there is not enough information to know.
The protein sequence will stop at gln, because UGA is a stop codon.
Let's break down the sequences step by step using the amino acid codon chart:
Original sequence mRNA: CAG GGA GCA UUA
1. CAG codes for glutamine (gln).
2. GGA codes for glycine (gly).
3. GCA codes for alanine (ala).
4. UUA codes for leucine (leu).
So, the original sequence is gln-gly-ala-leu.
Now, let's analyze the mutated sequence mRNA: CAG UGA GCA UUA
1. CAG codes for glutamine (gln).
2. UGA is a stop codon, which signals the end of translation. Therefore, the mutated sequence will stop at gln.
The correct answer is: A) The sequence will stop at gln, because UGA is a stop codon.