Answer:
The correct answer is: conjugation.
Explanation:
Bacteria are organisms capable of exchanging information with other individuals of their species, and they can do so through many mechanisms.
Conjugation is one of the ways in which bacteria can exchange information.
Conjugation refers to the transfer of DNA thanks to the direct contact between two bacteria and is mediated by plasmids (DNA molecules that are not chromosomal and locate in the bacterium's cytoplasm).
The conjugative plasmid resides in the donor cell. This donor cell produces a sex pilus that attaches to the recipient cell and thus they communicate to transmit the DNA from the donor to the recipient.
This process has clinical relevance since conjugation may increase the number of drug-resistant bacteria.
Why does the process of mass wasting occur faster on a steep slope?
Steep slopes are slippery.
Landslides always move quickly.
Mountains have a lot of rainfall.
The force of gravity causes mass wasting to occur faster.
hello! it would have to be D. The force of gravity causes mass wasting to occur faster.
the reason being just that.
Which of the following illustrates the energy changes taking place during photosynthesis?
light energy from sun → chemical energy in bonds of glucose
chemical energy in bonds of glucose → light energy from sun
light energy from sun → chemical energy in bonds of carbon dioxide
chemical energy in bonds of carbon dioxide → light energy from sun
Solar energy is converted into chemical energy in bonds of glucose during photosynthesis. Hence, option A is correct.
What is photosynthesis?The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
The process of photosynthesis is responsible for almost all of the oxygen in the atmosphere. The majority of creatures would vanish, there would soon be little food or other organic stuff on Earth, and the atmosphere would eventually be nearly barren of gaseous oxygen if photosynthesis stopped.
Chloroplasts, which house the chlorophyll in plants, are where photosynthesis occurs. The thylakoid membrane, a third inner membrane that creates long folds inside the chloroplast and is bordered by a double membrane, is present inside chloroplasts. Hence, option A is correct.
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what is adipose tissue
Ryan wants to see if storing his batteries in the refrigerator will make them last longer. He goes to Target and buys four batteries of the same brand that have the same “Best if used by” date. Ryan keeps two batteries in his desk drawer for 12 months and puts the other two batteries in the refrigerator for 12 months. He then puts the batteries from the desk drawer into his Dad’s antique portable CD player and plays his Lady Gaga CD continuously until the batteries die. Ryan records the length of playing time. Ryan then uses the batteries from the refrigerator. He plays the same CD at the same volume until those batteries die. He then compares the length of playing time.
Which method of genetic recombination is illustrated in the diagram?
a. crossing over
b. independent assortment
c. fertilization
d. tetrad formation
Answer: CROSSING OVER
Most animals can survive without food and water for a longer time than they can survive without water. Why is water so important to animals? Why can an animal survive without food for longer?
Final answer:
Water is crucial for animals due to its role in metabolic processes and temperature regulation, and unlike food, there are no reserves for water in the body. Dehydration can lead to serious health issues and death, which is why animals can survive longer without food than without water. Desert animals have adaptations for water conservation, further underscoring the importance of water for survival.
Explanation:
Importance of Water to Animal Survival
Water is so important to animals because it is essential for all metabolic processes, chemical reactions, and temperature regulation within the body. Unlike food, which can be stored as fat and utilized slowly over time, water is constantly being lost from the body through processes like urination, defecation, and perspiration, and must be replenished regularly to maintain physiological balance and prevent dehydration. Dehydration can lead to a loss of electrolytes, increase in body temperature, and even death if severe enough.
Animals are often able to survive longer without food than without water because their bodies can utilize stored energy reserves such as fat, protein, and carbohydrates to sustain basic metabolic functions. However, there are no reserves for water, and it is also needed to process these energy reserves. Additionally, some desert-dwelling animals have developed specialized adaptations to conserve water, like obtaining water from their prey or internal storage mechanisms.
Hydration is crucial in maintaining life and health for animals, and the lack of water intake is more immediately life-threatening than the lack of food. The survival rule often cited by survivalists, stating that one can survive without food for weeks but only days without water, illustrates the critical role water plays in survival.
describe the carbon and oxygen cycles that occur among living things
The Oxygen-Carbon Dioxide Cycle. Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. ... Animals breathe in the oxygen made by plants and breathe out carbon dioxide as a waste product.
an advantage of_____reproduction is the ability to reproduce quickly.
The allele for a widow’s peak has complete dominance over the allele for a straight hairline (w). What is the probability of two parents heterozygous for a widow’s peak (Ww) having an offspring with a widow’s peak? A) 75 percent B) 50 percent C) 0 percent D) 25 percent
Answer:
Option A, 75 percent
Explanation:
Given -
Allele for widow’s peak (W) is completely dominant over the allele for a straight hairline (w).
A cross is carried between two parents that are heterozygous for a widow’s peak
Thus, the offspring produced by the cross between two parents with genotype "Ww" is
Ww * Ww
WW, Ww, Ww, ww
Except "ww" genotype all the remaining offspring have widow's peak.
Thus, the probability of two parents heterozygous for a widow’s peak (Ww) having an offspring with a widow’s peak is
[tex]\frac{3}{4} * 100\\0.75*100\\75[/tex]%
Hence, option A is correct.
describe whether matter is reused and how
Answer:
Yes matter can be reused.
Explanation:
According to law of conservation it can be says that matter can neither be created nor be destroyed but it can transform from one from to another form by the help[ of chemical reaction.
It is known that anything which occupies space and volume is known as matter. The simplest form of matter is atoms. These atoms combine to form molecules and these molecules bonded together with the help of chemical reaction and forms other molecules.
By the above discussion it can be concluded that matter is reused by the help of chemical reactions.
Does acid rain cause more erosion than regular rain water?
What do both cells and organisms have in common? A. They produce waste. B. They produce energy. C. They perform photosynthesis. D. They perform cellular respiration.
Which type of limiting factor affects a large population more than it affects a small population?
density dependent
density independent
population dependent
population independent
Answer: density dependent
Limiting factor is a resource or environmental condition which limits the growth, abundance or distribution of population of species in an ecosystem. A limiting factor can be living or non-living affecting the size of the population of species in an ecosystem. Density dependent limiting factor causes decline in population per capita growth with increasing population density. Density dependent limiting factors are mostly biotic (living) rather abiotic (non-living).
Density dependent limiting factor will affect a large population more than it affects a small population because of the following reasons:
1. Competition: When a population attains high density, the members of the population compete for available resources like food, shelter, water, mates and other resources required for survival and reproduction. The competition for resources will limit the members in the population.
2. Predation: Larger population may attract more number of predators. Therefore, density in this case will result in limitation in population size.
3. Disease: When more number of individuals living in the same locality, there are chances of transmittance of diseases, hence, will result in decrease in population.
4. Accumulation of waste: High population density can lead to accumulation of biological wastes, which can contaminate the living environment, hence can limit population size.
What is most likely to result immediately after a rainforest in Brazil is clear-cut?
A secondary succession
B primary succession
C a climax community
D increased biodiversity
Answer: A. secondary succession
An ecological succession is a phenomena which involves gradual series of events which brings changes in the biotic community of the ecosystem with respect to changes in the non- living factors such as soil, water, natural calamity like (forest fire, drought, flood) and time until the ecosystem attains stability. Secondary succession occurs in an area which was previously colonized by floral and faunal species but was disturbed by natural or man-made calamity like forest fire, clear-cut, drought, flooding.The ecosystem again attain colonization due remains of biological species and suitable abiotic factors such as soil, water, weather. Secondary succession is most likely to occur immediately after a rainforest in Brazil is clear-cut as secondary succession facilitates quicker compensation for damage and loss in an ecosystem.
A cardiologist suspects that a patient has a heart problem. Either the valves between the atria and the ventricles or the valves between the ventricles and the body are likely at fault. To test the valves in this order, the cardiologist would
Answer:
answer 3
Explanation:
explain why it is possible to see the detailed structure of a prokaryotic cell with an electron microscope but not with a light microscope
Final answer:
An electron microscope is used to see the detailed structure of a prokaryotic cell, as it has higher resolution and can penetrate the cell to view internal structures.
Explanation:
In order to see the detailed structure of a prokaryotic cell, an electron microscope is used instead of a light microscope. This is because an electron microscope uses a beam of electrons, which has a much smaller wavelength than visible light, allowing for higher resolution and magnification. The electron beam can penetrate the cell and provide details of the cell's internal structures, whereas a light microscope can only reveal the external structures of a cell.
Skeletal muscle cells specialize in contracting and relaxing. Which organism has skeletal muscle cells?A.amoebaB.kangarooC.bacteriumD.paramecium
what do coal power plants have to do with acid rain
How is flowing rock different from flowing water
Answer:
The flowing water is defined as the flow of water over the surface of the earth per unit time. It also includes the flow of water under the earth's surface as groundwater. This flow of water takes place along a non-horizontal plane as water flows from a higher elevated area to a region of low elevated area.
on the other hand, rock flow refers to the flowing of the rocks. This takes place over the less dense layer of the asthenosphere where the rocks are generally solid in nature but they have the tendency to flow during the time of deformation. This allows the lithospheric plates to move over the asthenosphere layer because of the convection current that forms in the mantle. It is possible due to the supply of heat from the interior of the earth.
This is how rock flow differs from water flow.
What do the colors indicate about the change in average temperature over time from 1884 to 2012
Final answer:
The colors in the temperature anomalies figure illustrate the shift in global average temperatures from 1880 to 2012, transitioning from cooler to warmer periods, indicating a notable warming trend. The visualization supports the consensus that recent decades have seen significant temperature increases, largely attributed to human activities.
Explanation:
The colors on the temperature anomalies figure indicate changes in the global average temperature over time, from 1880 to 2012. The transition from cooler colors such as blue to warmer colors like yellow, orange, and red, reflects a general trend of rising temperatures. The blue colors represent cooler-than-average temperatures, while the warmer colors indicate temperatures that are warmer than average. The black line represents a smoothed plot of these mean temperature anomalies, highlighting a clear trend towards warming over the specified period. This visualization effectively demonstrates how temperatures have shifted globally, with significant warming observed, particularly in the latter half of the 20th century and into the 21st century.
The inclusion of data from indirect indicators like tree rings, ice cores, and corals, alongside thermometer measurements, provides a comprehensive view of global temperature changes over the last two millennia. The analysis of this data shows a stark increase in temperatures in recent decades, attributed largely to human activities as evidenced by the overlapping of the black line (observed temperatures) and the brown band (climate change due to both human and natural factors) in the scientific visualization. This correlation underscores the significant impact of greenhouse gases on the planet's climate.
what does the slope of the line on a position vs time graph tell you about an object speed?
The slope of the line on a position vs. time graph represents the velocity of an object. If the slope is positive, it means the object is getting faster. If the slope is negative, it means the object is slowing down. If the slope is zero, it means the object is not moving.
Explanation:The slope of the line on a position vs. time graph represents the velocity of an object.
If the slope is positive, it means the object is moving in the positive direction, or getting faster. If the slope is negative, it means the object is moving in the negative direction, or slowing down. The steeper the slope, the greater the velocity of the object. If the slope is zero, it means the object is not moving, or its velocity is zero.
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Jenny wants to determine if a new brand name washing detergent is better than her old detergent. She washes ten dirty t-shirts with the new washing detergent. After washing, she thinks they are cleaner using the new detergent. What can she do to be sure the new washing detergent works better than the old detergent?
Answer:
The independent varible is old and new and the dependent variable is 20 T-shirts.
Explanation:
An independent variable is a variable whose value does not depend on any other factor. Whereas a dependent variable is a variable whose value depends on another factor.
Hence, in the given situation old and new detergent are independent variables as they do not depend on any other factor.
On the other hand, 20 dirty T-shirts are dependent variable because they get clean only if the detergent is strong enough.
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How are agglutinins like security guards
The domestication of plants allowed humans to found the first permanent settlements because food supplies became more __________.
A.
varied
B.
stable
C.
necessary
D.
expensive
Please select the best answer from the choices provided.
Predict how unfavorable abiotic and biotic factors affect a species
Unfavorable abiotic and biotic factors can severely impact species by altering habitats, limiting resources, and affecting net primary productivity, which can threaten survival and reproduction of plants and animals.
Explanation:Impact of Unfavorable Abiotic and Biotic Factors on a SpeciesUnfavorable abiotic factors, such as extreme temperatures, low rainfall, high salinity, and insufficient sunlight, can drastically affect a species by altering its habitat, reducing its food resources, limiting its water supply, and challenging its survival and reproduction. Biotic factors like competition, predation, and disease also play a critical role in shaping a species' ability to thrive. For example, in aquatic environments, high salinity and low light levels due to algal blooms can hinder the survival of freshwater species. In contrast, on land, poor soil quality and extreme climate conditions can affect plant growth, which in turn influences the animal populations that depend on those plants for sustenance.
Net primary productivity is also influenced by abiotic factors. It represents the rate at which plants convert atmospheric carbon dioxide into biomass through photosynthesis minus the rate at which they use this biomass for respiration. When conditions like sunlight and water availability are unfavorable, net primary productivity declines, leading to a decrease in available energy and resources within an ecosystem.
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Why is gold so expensive and what is the mineral for
a tree that sheds its leaves in the fall is exhibiting
Photoperiodism. Hope this helps!
Denise heard that little children pick food based upon color. She read many studies about food color and selection. She learned when foods are not the color people expect, it makes them think the flavor is different. To test this, she offered 100 kindergarten children colored mashed potatoes for lunch. The colors served were red, yellow, green, and blue. As the students selected the mashed potatoes, she wrote down which color each student selected. She then counted how many students selected each color.
There is an experimental design flaw in Denise’s experiment. What part of the experiment does it involve?
A. Independent Variable B. Dependent Variable C. Control D. Replicates
Color is _____.
A) the best way to identify a mineral
B) caused by the chemicals in a mineral
C) measured using the Mohs color scale
D) not an important property of a mineral
Answer:
caused by the chemicals in mineral b.
Explanation:
Had it on my quiz
The blank revolves around earth as a natural satellite