What causes an organism to use the process of anaerobic respiration?
Answer:
The lack of oxygen
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What is the role of bacteria in lichens?
They provide nitrogen
The term __________ means abnormally increased muscle function or activity.
Hypertonia refers to abnormally increased muscle function or activity, often resulting from damage to upper motor neurons in the CNS. It contrasts with hypotonia, which denotes decreased muscle tone. Hypertonia often presents in conditions like Parkinson's disease and certain types of stroke.
Explanation:The term that refers to abnormally increased muscle function or activity is hypertonia. It is typically characterized by excessive muscle tone and often accompanied by hyperreflexia or excessive reflex responses. This type of increased muscle activity is often the result of damage to upper motor neurons in the Central Nervous System (CNS). Examples of conditions that might include hypertonia include Parkinson's disease and certain types of stroke, both of which can result in muscle rigidity or spastic changes in muscle tone.
While muscle activity is usually a sustained, smooth process called a graded muscle response, abnormalities like hypertonia disrupt this function. The nervous system usually modifies muscle contraction to produce different amounts of force, but in cases of hypertonia, this process can be impaired.
Contrastingly, hypotonia is the term used to describe decreased muscle tone, so one could almost think of hypertonia as the inverse of this state. In summary, hypertonia is an excessive, increased level of muscle activity, while hypotonia is an abnormally low level of the same.
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Hydrochloric acid is necessary in the stomach for the conversion of pepsinogen into its active protein-digesting form called __________.
Hydrochloric acid in the stomach is necessary for the conversion of pepsinogen into pepsin.
Explanation:In the stomach, hydrochloric acid is necessary for the conversion of pepsinogen into its active protein-digesting form called pepsin.
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Why is a second blood test necessary three months after a person thinks he or she has been exposed to hiv?
A scientist bred fruit flies in two separate containers with different food sources for many generations. When she put the fruit flies from the two containers together again, she observed that the flies preferred mates raised on the same food. Which hypothesis was the scientist most likely testing?
A. Diet determines mate size.
B. Fruit flies are picky eaters.
C. Diet affects mate choice.
D. Fruit flies breed too quickly.
Answer:
C. Diet affects mate choice.
Explanation:
The scientist was testing diet affects mate choice in the given experiment. Thus, option C is correct.
What is fruit fly?The scientific name of fruit fly is drosophila and it is small fly generally used in genetic research due to it's large chromosome, wast varieties, and fast rate of reproduction.
Drosophila comes from the family Drosophilidae and order is Dipetera and subfamily Drosophilinae, phylum Arthopoda, and kingdom Animalia.
The lifespan of drosophila is 2-3 month and it requires low maintenance and it is the rich source of genetic manipulation.
The full name of drosophila is Drosophila melanogaster and they are generally found near unripe, cut or rotted fruit. It is normally used for genetic study as well as behaviour as they contain polytene chromosome.
Therefore, the scientist was testing diet affects mate choice in the given experiment. Thus, option C is correct.
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In any electrochemical cell, the anode is always the
Which of the following undergoes change during a chemical reaction
Chemical bonds between atoms in reactants undergo change during a chemical reaction.
The substance (or substances) initially involved in a chemical reaction are called reactants or reagents. Chemical reactions are usually characterized by a chemical change, and they yield one or more products, which usually have properties different from the reactants.
The correct answer between all the choices given is the last choice or letter D. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
Level _____ hazardous materials would cause irritation on contact but only mild residual injury, even without treatment.
What happens to the amount of oxygen in a diver's bloodstream when he or she breathes oxygen at elevated pressures?
What do scientists in the field of systematics accomplish?
Scientists in the field of systematics, also known as taxonomists, are involved in the study of biodiversity and the classification of organisms.
What is systematics?
Based on their shared traits and evolutionary ties, systematists strive to group species into hierarchical groupings. Taxonomic ranks like species, genus, family, order, class, phylum, and kingdom are established and revised by them.
This system of classification aids in the organization and dissemination of scientific data regarding the variety of life on Earth.
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What are the main characterstics of a deciduous forest
A structure located above the transverse plane is said to be:
A. Lateral
B. inferior
C. superior
A structure above the transverse plane is referred to as superior in anatomical terminology. The transverse plane divides the body into upper (superior) and lower (inferior) parts.
Explanation:In anatomical terminology, a structure located above the transverse plane is considered to be superior. The transverse plane is a hypothetical plane that divides the body into superior and inferior parts, or in other words, upper and lower parts. Therefore, anything that is 'above' this plane (toward the head) is referred to as 'superior'. Lateral, on the other hand, refers to the side of the body or away from its midline.
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A 67-year-old client reports to her healthcare provider that she is having difficulty during intercourse, causing her pain and disrupting the intimacy that she and her husband are accustomed to sharing. what might be the cause of her pain?
The cause of the client’s pain must be because of atrophy of bulbouretheral glands. The bulbourethral glands are the one responsible for secreting a substance which we call alakaline, in order to be able to provide neutralization in the acidic environment in a person’s urethra. The bulbourethral glands are also responsible in having to provide lubrication to a person when having to do a sexual intercourse. If it gradually declines in its effectiveness, during sexual intercourse, it would likely cause the person to have pain and have difficulty in having to do an intimacy with the person’s partner as atrophy may be present in the person’s bulbourethral gland.
Diffusion is the spontaneous movement of a substance from an area of what
At the beginning of interphase in g1, a cell has 36 chromosomes. how many chromatids would be found in that same cell in g2 of interphase
In G2 phase, a cell that had 36 chromosomes in G1 phase would have 72 chromatids. This is due to DNA replication during the S-phase that duplicates each chromosome into two sister chromatids.
Explanation:The question refers to the cell cycle, particularly focusing on phases of interphase (G1 and G2). If a cell has 36 chromosomes during the G1 phase, it will still have 36 chromosomes during the G2 phase. However, due to DNA replication that occurs during the S phase (synthesis phase), each chromosome would have duplicated into two sister chromatids. So, in the G2 phase, the same cell would contain 72 chromatids, as each chromosome now consists of two linked chromatids.
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Which of the following is a process in which carbon is released back into the atmosphere?
Another name for the evolutionary force called gene flow is:
Also exhibits as a situation in which there is a higher than normal number of white blood cells. in this case, the cause is often an infection that is being fought
During which phase of mitosis do the spindle fibers help to pull the chromosomes to the center of the cell, where they line up?
Answer:
Metaphase
Explanation:
The extra calories for pregnancy are needed mostly during which trimester(s)?
A women's second and third trimesters
The image on the right represents polymerization. Label the parts and the resulting larger molecule.
Answer:
A: monomer
B: monomer
C: polymer
Explanation:
The image on the right represents polymerization and label the parts and the resulting larger molecule is polymer. Thus, option C is correct.
What is monomer and polymer?A monomer is a type of molecule that can make chemical bond with any molecule and can form a long chain and polymer is a sequence of chain of an unspecified or unknown number of monomers.
Monomers are small sized molecules and they are organic in nature that can combined with similar molecule to form very large size of molecule, or the molecule is known as polymer.
The main example of monomers are glucose, amino acids, ethylene, and vinyl chloride. Each monomer combined to form polymers in other ways.
Therefore, the image on the right represents polymerization and label the parts and the resulting larger molecule is polymer. Thus, option C is correct.
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In kilometers, how much larger is the distance around the earth from east to west than the distance from north to south?
Which process of soil erosion is being prevented by the activity shown below?
a-Gravity
b-Glaciers
c-Moving water
Answer: a-Gravity
Explanation:
Soil erosion is a natural phenomena which involves the removal of the top or subsoil layers under the influence of factors such as water, wind and gravity.
According to the situation, the given activity is the mountain climbing. Generally in mountains the mass wasting is the most prominent phenomena. In mass wasting the soil, stones, debris and other materials moves downwards the slope region under the influence of gravity.
As it is shown in the figure the team mates are helping each other to climb the wall of the mountain this process is against the act of gravity. Hence, this process can be related to the soil erosion due to mass wasting against the act of gravity.
Which group would be found on the lowest branch of a phylogenetic tree of all life?
vertebrates
archaebacteria
angiosperms
gymnosperms
The image below represents part of what process? Two identical rings of DNA present in one elongated cell.
A.Mitosis B.Meiosis C.Conjugation D.Binary fission
What are natural fuels that come from the remains of living things?
Prediction: If tomato plants are harmed by NoGro herbicide, then an increase in the concentration of NoGro herbicide in the supplied water will result in a decrease in the average height of the tomato plants over a one-year period. Which of the following best describes this prediction?
The correct answer to this question is:
“The prediction is useful because it explains what observations will be made if a hypothesis is true.”
The prediction is important because it strengthens the outcome after a one year period. So for example if after one year there is indeed a decrease in the average height of the tomato plants, then we can definitely say that it is because of the presence of NoGro herbicide in the supplied water. The prediction also eliminates the need to find for other explanation why the height of the tomato plants shortened since it was already established in our prediction.
Answer:
Option D, The prediction is useful because it explains what observations will be made if a hypothesis is true.
Explanation:
Please see the attachment
If a eukaryotic cell has 20 chromosomes and it undergoes meiosis, how many cells will result, and how many chromosomes will they contain
Upon undergoing meiosis the result will be that 4 cells are formed and each one will have 10 chromosomes in it as genetic material.
What is meiosis?Meiosis is one of the two types of cell division in which a cell divides to form 4 daughter cells. The genetic content that is passed on to each daughter cell is half of that present in the parent. That is the reason for meiosis also to be called 'reductional division'.
The complete meiosis is accomplished in two stages: Meiosis I and Meiosis II. Meiosis I is similar to the mitotic division.
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Explain the logic the woodcutter uses to justify cutting some of the trees for our use.