It is easier to assign a specific age to rocks containing fossils that
"the term ________ refers to the part of the inner ear that plays a key role in maintaining a sense of balance."
Some bacteria live in deep sea vents where no light penetrates, yet are still capable of producing their own reduced carbon (e.g. fixing carbon dioxide). these organisms are classified as
If two species are branching off of the same node in a phylogeny, is it possible to tell which species evolved first?
) when cells are broken open, dna is released from cells into solution. name at least two other macromolecules that are also released from the cells, and the places they are found in the cells.
Protein, nucleic acid, carbohydrate and lipid that are released from the cell.
Protein and nucleic acid are the two macromolecules that are also released from the cells when the cell is broken up because these two macromolecules are present in the cell and performs different types of functions that helps the cell in growth and development.
There are two more macromolecules are present such as carbohydrates and lipids in the cell that are also very important for cell so we can conclude that when the cell is broken, protein, nucleic acid, carbohydrate and lipid are released from the cell.
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Energy conversion within an animal cell would be severely limited by removal of the cell's
How can we best characterize the physical differences between humans and apes?
A pressure (decubitus) ulcer that has a skin break through all layers of the skin is classified as stage _____.
The normal, or ________, eye accommodates properly.
The normal, or typical, eye accommodates properly for close and distant vision.
Explanation:The normal, or typical, eye accommodates properly. For close vision, the eye is fully accommodated and has its greatest power, whereas for distant vision, it is totally relaxed and has its smallest power. An 8% ability to accommodate is considered normal but is typical for people who are about 40 years old. Younger people have greater accommodation ability, whereas older people gradually lose the ability to accommodate.
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Ureterectasis is the __________ of a ureter.
The answer is dilation or expansion. It is because ureterectasis is a process of which the ureter of an individual is being stretch out that is why it is being referred to as dilation or an expansion of the area.
An allele is one of the alternative forms of a gene that governs a trait. If a fern plant is heterozygous for a particular trait, how can the alleles that control that trait be described? A. one dominant, one recessive B. two dominant C. three recessive, one dominant D. two recessive
Answer:
The correct answer is A. one dominant, one recessive
Explanation:
A gene can have many alternative forms called alleles. These alleles can be present in homozygous condition or heterozygous condition. In homozygous condition chromosome contains two same forms of an allele of a gene. In heterozygous condition a chromosome contains two different forms of an allele of a gene.
These alleles can be dominant or recessive. A dominant allele can be expressed in both homozygous and heterozygous condition, but a recessive allele will only express in homozygous condition.
So If a fern plant is heterozygous for a particular trait then it contains one dominant and one recessive allele because in heterozygous condition two different forms of allele is present. Therefore the right answer is A.
Diffusion always causes particles to move from a region of
Diffusion is the process in which particles move from an area of high concentration to an area of low concentration until a uniform concentration, known as dynamic equilibrium, is reached.
Explanation:Diffusion is the process through which particles in a gas, liquid, or solid spread out, or diffuse, from regions of high concentration to regions of lower concentration. This mechanism is driven by the kinetic energy from the thermal motion of particles resulting in the spreading until a dynamic equilibrium is reached. Therefore, diffusion causes particles to move from a region of higher concentration to a region of lower concentration.
This process continues until the concentration becomes equal throughout the medium, a condition known as dynamic equilibrium. At equilibrium, the particles continue to move, but there is no net transfer of molecules because the rates of movement between the regions are equal.
Several factors affect the rate of diffusion, including the mass of the molecules, the environment, and the amount of thermal energy they possess, which is a function of temperature. Ultimately, however, diffusion is driven by the principle of concentration gradient, which ensures that molecules constantly move from high-concentration areas to lower ones.
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Imagine that you are a hungry cell and find a large supply of citrate (citric acid). how many atps can you get from each citrate molecule if you use both the citric acid cycle and the electron transport chain?
Each citrate molecule can generate 6 ATPs through the citric acid cycle and the electron transport chain.
Explanation:
The citric acid cycle and the electron transport chain work together to produce ATP from citrate molecules. Each citrate molecule can produce one ATP in the citric acid cycle. In addition, the citric acid cycle generates three NADH and one FADH₂ per citrate molecule. These NADH and FADH₂ molecules enter the electron transport chain, where each NADH can produce as many as three ATP, and each FADH₂ can produce as many as two ATP. Therefore, the total number of ATP molecules that can be generated from each citrate molecule using both the citric acid cycle and the electron transport chain is:
1 ATP (from the citric acid cycle) + 3 ATP (from NADH) + 2 ATP (from FADH₂) = 6 ATP per citrate molecule
Investigate what newborn babies, skunk cabbage, hibernating bears, and a banned diet drug called dnp all have in common with regards to cellular respiration.
Final answer:
Newborn babies, skunk cabbage, hibernating bears, and DNP all reveal unique interactions with cellular respiration, relating to temperature regulation or metabolic rate variance.
Explanation:
Newborn babies, skunk cabbage, hibernating bears, and a banned diet drug called DNP all showcase unique aspects of cellular respiration. Cellular respiration is the process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.
Bears during hibernation slow down their metabolism and lower both heart rate and body temperature, thereby conserving energy. Newborn babies, especially preterm ones, might experience a condition known as non-shivering thermogenesis where they produce heat through metabolic processes due to their inability to shiver efficiently. Skunk cabbage can generate heat to help spread its scent and melt surrounding snow, a process known as thermogenesis. Lastly, the drug DNP interferes with the proton gradient in mitochondria, leading to an increase in metabolic rate and production of heat, which is why it was used as a weight loss aid before being banned due to toxicity. All these examples reflect on the diverse roles and behaviors of organisms or substances related to cellular respiration.
How does the temperature affect enzyme function? use evidence from your data to support your answer?
according to Charles Darwin what biological mechanism
According to Charles Darwin, the biological mechanism that drives evolutionary change is natural selection. This is a process by which individuals with favorable traits are more likely to survive and reproduce, leading to the accumulation of beneficial traits over time.
Explanation:According to Charles Darwin, the biological mechanism that drives evolutionary change is natural selection. Natural selection is the process by which individuals with favorable traits that allow them to better survive and reproduce are more likely to pass on those traits to future generations. This leads to the gradual accumulation of beneficial traits in a population over time, resulting in evolutionary change.
Estimate how much the brain would swell due to osmosis if the concentration of the cerebrospinal ±uid fell to 280mm. in other words, ³nd what the new volume
Estimating how much the brain would swell due to a drop in cerebrospinal fluid concentration to 280 mm involves understanding osmosis and brain-CSF osmotic balance, which is crucial for preventing conditions like hydrocephalus. The exact new volume would need medical evaluation.
Explanation:The question concerns the phenomenon of brain swelling due to osmosis caused by changes in the concentration of cerebrospinal fluid (CSF). When the concentration of CSF falls, such as to 280 mm, water can flow into the brain cells due to osmotic imbalances, potentially leading to a condition like hydrocephalus. However, estimating the exact new volume of the brain due to osmosis requires sophisticated medical instruments and knowledge of osmotic pressure in the brain's environment. Normally, the pressure in the CSF ranges from 5 to 12 mm Hg, and deviations from this range can affect the brain's volume and pressure dramatically.
For example, if the gauge pressure in the fluid surrounding the brain increases significantly, it can lead to an increase in the outward force on the skull, even causing the skull to grow abnormally large in infants with hydrocephalus. In adults, a reduction in the CSF concentration can cause severe headaches and damage due to the brain resting upon the skull.
The specific volume change due to a CSF concentration drop to 280 mm would vary based on individual circumstances and would require medical assessment to determine.
The part of the cell that regulates what can enter or leave is the
The muscle chiefly responsible for the extension of the elbow joint is known as the
Why do different individuals such as siblings have different restriction enzyme recognition sites?
What evidence would you look for to see if a chemical reaction has occurred?
What structural feature of cells can allow molecules to flow directly from the inside of one cell to the inside of the next? (a) cilia (b) plasmids (c) plasmodesmata (d) choroplasts PLEASE HELP ME!
Which of these minerals could be found in granite? Select all that apply.
A. mica
B. quartz
C. olivine
D. feldspar
E. hornblende
The answers would be
A.Mica
B.Quartz
D.Feldspar
Which physical property do plasmas and gases have in common?
A. They both have charged particles
B. They have the same attractive forces between particles
C. They have the same space between particles
D. They create magnetic and electric fields
Answer:
c
Explanation:
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"the number of women who died of breast cancer divided by the number of all women with breast cancer in the same year is a measure of the"
Why did dna technology lead to more use of cladistics?a. it showed that the linnaean system was the most accurate.b. it changed ideas about which animals were closely related.c. it proved that eukaryotes formed from endosymbiosis.d. it showed that there are three domains and six kingdoms?
DNA technology leads to more use of cladistics because it changed ideas about which animals were closely related (Option b).
What is DNA technology?DNA technology refers to the techniques that use genetic material as the source to answer scientific questions.
DNA technologies and cladistics can help us to answer evolutionary questions.In conclusion, DNA technology leads to more use of cladistics because it changed ideas about which animals were closely related (Option b).
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What happens to any matter that is not used by consumers in a food chain
Answer:
Material not consumed by consumers in the food chain generates the debris chain.
Explanation:
Debris chain, where the basis is non-living organic matter not consumed by consumers, is due to the decomposition of vegetable and animal bodies and their droppings. This matter is processed by decomposing microorganisms (fungi and bacteria), which release it in the form of plant nutrients, or in the form of debris that will be consumed by detritivorous organisms, in turn consumed by carnivores.
Channel proteins that form a narrow passageway in gap junctions are known as which of the following
Connexons are the channel proteins that form a narrow passageway in gap junctions.
Explanation:Channel proteins that form a narrow passageway in gap junctions are known as connexons.
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Suppose that in goats, an independently sorting autosomal allele that produces a bearded phenotype is dominant in males and recessive in females. the symbol bb represents the bearded allele and b represents the beardless allele. the autosomal allele for a black coat (w), which also independently assorts, is dominant over the allele for white coat (w). match each set of progeny phenotypes and proportions to the parental cross that produced that set.
Why is it important spores to spread easily to other locations?
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