Answer:
if the bird eats the rat
Explanation:
in winter, some birds stand on frozen ponds and lakes. how do they prevent their feet from freezing while simultaneously preventing excessive heat loss?
Through the process of countercurrent heat exchange in their legs, they keep their feet from freezing while maintaining a temperature above zero.
An entire foot needs a lot of energy to stay warm. These birds, however, let the foot get close to freezing. Birds use a countercurrent heat exchange system, and blood is still given to the foot. The warm arteries transmit heat to the chilly veins. Heat is maintained in the core very well by this countercurrent heat exchange system. The foot doesn't freeze because of periodic surges in blood flow that allow a small amount of heat to enter.
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The thallus of a mold consists of long, branched, threadlike filaments of cells called _________ that form a tangled mass called a
Answer:
Hyphae; mycelium.
Explanation:
Fungi can be defined as living microorganisms that are eukaryotic in nature and are able to reproduce using both means of reproduction i.e both asexually and sexually. Also, fungi do not have chlorophyll but are of great importance to the human world both scientifically and practically.
A thallus can be defined as the vegetative or bodily structure of fungi. Thus, the various forms of fungi are;
I. Yeast.
II. Mushroom.
III. Mold.
A mold is typically multicellular (has more than one cell) and filamentous in nature. The thallus of a mold consists of long, branched, threadlike filaments of cells called hyphae that form a tangled mass called a mycelium.
The thallus of a mold consists of long, branched, threadlike filaments of cells called Hyphae that form a tangled mass called a mycelium.
What are hyphae and mycelium in fungi?Hyphae are the tubular projections of multicellular fungi that form a filamentous network. Fungal hyphae release digestive enzymes in order to absorb nutrients from food sources.
mycelium, the mass of branched, tubular filaments of fungi. The mycelium makes up the thallus, or undifferentiated body, of a typical fungus.
Thus, hyphae and mycelium is the correct answer.
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A student makes a Venn diagram to compare the functions of carbohydrates and lipids. Which cellular function of carbohydrates and lipids should be placed in the shared section of the Venn diagram?
In the Venn diagram comparing the functions of carbohydrates and lipids, the shared section should include the cellular function of Energy storage. Therefore option C is correct.
Both carbohydrates and lipids play essential roles in storing energy within cells. Carbohydrates, such as glucose and glycogen, serve as a primary energy source for quick energy production during cellular processes.
Lipids, like triglycerides and fatty acids, are more efficient at storing long-term energy in the form of adipose tissue (body fat).
The shared function of energy storage is crucial for cells to maintain proper functioning and meet their energy demands.
By placing this function in the overlapping section of the Venn diagram, it highlights the commonality between carbohydrates and lipids in their role as energy reservoirs, despite their other diverse cellular functions.
Therefore option C is correct.
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A student makes a Venn diagram to compare the functions of carbohydrates and lipids.
Carbohydrates
Lipids
?
Which cellular function of carbohydrates and lipids should be placed in the shared section of
the Venn diagram?
A Hormone production
B Structural support of cell walls
C Energy storage
D Catalyst for chemical reactions
Describe the current water treatment process in your community and explain how it can be improved to cater to the problems associated with climate change and also to meet the needs of residents now and in the future.
The current water treatment in your community is treated by various methods.
What stages of the water treatment process are there?
Chemical coagulation, flocculation, sedimentation, filtration, and disinfection are the five main unit processes (described below). As the water goes through the various treatment procedures, chemicals are added to it.
Coagulation. Coagulation is frequently the initial stage in the treatment of water.
Flocculation. Coagulation is followed by flocculation.
Sedimentation. Sedimentation is one of the procedures used by water treatment facilities to remove particles from the water.
Disinfection. Filtration
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Part I Illuminating Photosynthesis #1 : Fill in this concept map depicting the major steps in photosynthesis in the chloroplast H20 of Photosystem I transfers Word Bank Electron Transport Chain ATP Synthase Calvin Cycle Light NADPH Chlorophyll Protons CO2 Photosystem II Electrons 02 to produce ATP G3P (Sugar Building Block) #2 : Fill in the table: Major Steps in Does this step depend on Experimental variable to What would happen if an Photosynthesis any other step? How? measure? herbicide disrupted this Photosystem II Photosystem l ATP Synthase Calvin Cycle
Photosynthesis in chloroplasts involves major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation. It begins with light-dependent reactions in photosystems I and II, followed by electron transport and ATP synthesis.
Step 1: Photosynthesis is a complex process that occurs in the chloroplasts of plants, involving several major steps such as light absorption, electron transport, ATP synthesis, and carbon fixation.
Step 2:Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose. It occurs in the chloroplasts, specifically in three main stages: light-dependent reactions, electron transport chain, and the Calvin cycle.
During the light-dependent reactions, light energy is absorbed by chlorophyll molecules in photosystem II (PSII) and photosystem I (PSI). In PSII, water molecules are split, releasing electrons, protons (H+ ions), and oxygen. The electrons move through an electron transport chain, creating a proton gradient across the thylakoid membrane. This gradient is essential for ATP synthesis by ATP synthase, using the energy from the electron flow.
In PSI, electrons are re-energized by absorbing more light energy and are ultimately used to produce NADPH, another energy carrier. The ATP and NADPH generated in the light-dependent reactions are then used in the Calvin cycle.
The Calvin cycle, also known as the light-independent reactions or carbon fixation, occurs in the stroma of the chloroplast. It uses ATP, NADPH, and carbon dioxide (CO2) to produce glucose (G3P), which serves as a building block for sugars and other organic compounds. The cycle regenerates the starting molecule, ribulose bisphosphate (RuBP), allowing the process to continue.
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ill give brainly pls help
1 m = 100 cm = 1000 mm
4,6 m = 4600 mm
4600 mm * 0,01 = 46 mm
Answer:
46mm
Explanation:
1m = 100cm = 1000m
4.6m = 4600mm
4600mm × 0.01 = 46mm
When ice melts on land, it flows into the ocean and can cause sea level to
rise. However, when ice melts floating on the ocean (such as the ice at the
north pole), it doesn't cause sea level to change. Can you explain why?
When ice melts floating on the ocean, such as sea ice in the Arctic, it does not cause sea level to rise.
This is because the ice is already displacing its weight in the water, so when it melts, it simply adds its own mass to the water. The reason for this is due to a principle in physics called Archimedes' principle.
This principle states that the buoyant force acting on an object is equal to the weight of the fluid displaced by the object. In other words, when an object is placed in a fluid, it will displace a volume of fluid equal to its own volume. The buoyant force of the fluid on the object will then be equal to the weight of the fluid displaced.
In the case of floating sea ice, the ice is already displacing its own weight in seawater, so when it melts, it simply adds its own mass to the water without changing the overall volume of the water. Therefore, there is no net change in sea level when floating sea ice melts.
However, the melting of land-based ice, such as glaciers and ice sheets, does contribute to sea level rise because this ice is not already displacing its weight in the ocean. As it melts, the water flows into the ocean, increasing its overall volume and causing sea level to rise.
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45 PTS What role do plants play in the water cycle?
precipitation
transpiration
condensation
cooling
Answer:
transpiration
Explanation:
plant play transpiration role in water cycle
if two different types of particles have the same speed in a medium,why is chromatography process not suitable? write with a reason.
Explanation:
When using chromatography, the 2 solutes in the solvent paper should have different Rf values from the base line to identify them as different compounds.
If they were to have the same speed in the solvent, they would appear as 1 dot instead of 2 separate dots, which is a false reading.
______ is the gradual piecemeal degradation of an area by such activities as logging and road building.
Fragmental erosion is the gradual piecemeal degradation of an area by such activities as logging and road building.
Erosion is a natural process where soil and rock are removed from one location and transported to another location. It is caused by the action of various agents such as water, wind, ice, and gravity.
The erosion process can occur slowly over a long period of time or rapidly during a natural disaster such as a ladslinde. Soil erosion occurs when the protective top layer of soil is removed due to wind, water or other agents, which can result in the loss of fertility, decreased plant growth, and potential desertification.
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describe the impact of invasive species on human society
Answer:
Invasive species are a major threat to the livelihoods of the people who live in the areas they colonize. Through disrupting ecosystems, invasive plants, insects and diseases impair many of the things humans need to sustain a good quality of life – including food and shelter, health, security and social interaction.
Explanation:
What are some possible future career fields in environmental science?
Answer:
you can be a zoologist, you can do marine biology, Seismologists
Explanation:
hope this help :))
Answer: Environmental Scientist, Zoologist ,Environmental Lawyer, Environmental Engineer, Conservation Scientist, Hydrologist , Teacher
Explanation:
What kind of fossil is created when minerals fill in the hollows of animal tracks?
A. Frozen fossils
B. Imprint fossils
C. Amber fossils
D. Cast fossils
Answer: The correct answer to the question is option D
CAST FOSSILS.
Explanation: To understand what a cast fossil really is,let's look at what a fossil is generally.
Fossils are traces of what are formed and left of living things which dates back to a long time ago. Fossils are often found in sedimentary rocks examples; Shales, limestone and sandstone.Fossils are left over animals/plants.
Not all fossils are remains of living things.
There are different types of fossils; FROZEN FOSSILS; When an animal is trapped and freezed as a result of drop in temperature.
IMPRINT FOSSILS; They are prints made and left when animals walk or move over clays,these imprints dries and get covered by other sediments.plants also leave imprint fossils.
AMBER FOSSILS; These are fossils that are formed when tiny insects and bugs become trapped in saps of trees, when these saps dries up,they become hard and and an Amber is formed.(a seminiferous material).
CAST FOSSILS; These are fossils that form as a result of the death of plant,animal or any organism,when this happens,chemical reaction occurs which brings about a degradation in the bones and flesh if the organism,cavities are formed and minerals are deposited in those cavities bringing about a cast which looks like the original form or image of the organism.
arasympathetic signaling to β-cells involves the binding of ach to muscarinic receptors. these receptors are gpcrs that are coupled to a subfamily of g proteins which causes downstream elevations of ca2 in the cytoplasm. given this information, with which subfamily of g proteins must these gpcrs be coupling?
An increase in lipolysis is one adaptation that results in higher HGP.these receptors are gpcrs that are coupled to a subfamily of g proteins which causes downstream elevations of ca2
Triacylglycerols (TAGs) hydrolyze into their constituent molecules, glycerol and free fatty acids, during the metabolic process known as lipolysis(FFAs). Adipose TAGs in the body are used to store fat, which is then used as insulation, energy, and heat. During periods of hunger, the body primarily draws energy from its fat reserves while preserving protein. Overall, fats are the body's most significant source of fuel, and how long a person can go without meals mostly relies on how much fat is stored in adipose tissue. Thus, when the body is in the fasting state of metabolism and blood glucose levels have dropped, lipolysis is particularly crucial. But it also happens in unstimulated (basic) conditions.
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Study the graph and then complete the passage. 425 8.33 400 Atmospheric CO2 (ppmv) Seawater pCO2 (uatm) Seawater pH 8.28 375 8.23 CO2 350 8.185 PETITE 325 8.13 300 8.08 275 1955 1965 1975 1995 2005 8.03 2015 1985 Year The graph shows data collected near the Mauna Loa volcano in Hawaii from 1955 to 2015. The data includes atmospheric CO2 levels, seawater CO2 concentrations, and seawater pH readings. If the current trend continues, the seawater near Mauna Loa will likely become more alkaline due to the changing concentration of in the water.
Answer:
First blank: MORE ACIDIC
Second blank: CARBON DIOXIDE
Explanation:
GOT IT RIGHT IN PLATO
Answer:
more acidic
carbon dioxide
Explanation:
took the test got it right
If a p-wave arrives 7 minutes after an earthquake occurs, how many kilometers is the location from the epicenter?
Answer:
234m
Explanation:
Why is it bad when extra nitrogen leaves the soil?
Answer:
When plants lack nitrogen, they become yellowed, with stunted growth, and produce smaller fruits and flowers. Not enough nitrogen in the soils leaves plants hungry
mitosis is most similar to because in both stages, . choose one: a. meiosis i, sister chromatids separate. b. meiosis ii, homologous chromosomes separate. c. meiosis i, homologous chromosomes separate. d. meiosis ii, sister chromatids separate.
Sister chromatids separate in both stages, making meiosis II and mitosis most similar to one another. Sister chromatids split during meiosis II and mitosis.
What other cell cycle is most like mitosis?As opposed to meiosis I, where the chiasma connecting two homologous chromosomes lines up on the metaphasal equator, meiosis II aligns the centromere between two sister chromatids on the equator.
DNA duplication occurs during both meiosis and mitosis in a cell. Each chromosome, or strand of DNA, is replicated and kept connected, creating two sister chromatids for each chromosome. Meiosis and mitosis both aim to divide the nucleus and its DNA content between two daughter cells.
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Pangaea came together because convergent plate boundaries around the proto-Atlantic shrank the ocean basin and the continents came together.
true of false
Answer:
True
Explanation
The proto-Atlantic ocean shrank as the pacific ocean grew. The Appalachian mountains of eastern North America formed at a convergent plate boundary as Pangea came together.
what is heavy rainfall
Heavy rainfall is a rainfall greater than 100 mm in 24 hours.
Precipitation or rain fall is caused when moisture-containing air moves over land or coincide into a storm system.
Light rainfall is designed less than 0.10 inches of rain per hour while moderate rainfall measures 0.10 to 0.30 inches of rain per hour and heavy rainfall is more than 0.30 inches of rain per hour. for example Mawsynram receives the highest rainfall in India. It is reportedly the wettest place on Earth.
Heavy rain fall can cause Flooding Due to excess water that can collect in the streets other disadvantaged includes soil erosion and increase in ground water level .
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what are the three different type of phalanx bones that make up your foot?
Long bones in the foot distal to the metatarsals are called phalanges. Each toe has three phalanges, referred to as the proximal, middle, and distal phalanges.
In addition to being significantly shorter individually than the metatarsals, the phalanges on the foot are also much shorter collectively than those on the hand. The metatarsophalangeal joints are formed by the bases of the proximal phalanges articulating with the heads of the corresponding metatarsal bones.
The proximal interphalangeal joints are formed by the heads of the proximal phalanges articulating with the bases of the middle phalanges. The articulations between the bases of the distal phalanges and the heads of the middle phalanges define the distal interphalangeal joints.
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HELP!!! DONT SEND NO LINK, IT DONT WORK!!!!
Explain why harmful mutations tend to disappear, while beneficial mutations become
widespread.
Answer:
Harmful mutations don't accumulate over time because they reduce the reproductive success of an organism! These mutations would be dead before they can produce any offspring, so there's a slim chance of their genes being passed on. (So it's basically like survival of the fittest, the ones that survive usually have beneficial mutations because that's what keeps them alive lol) Beneficial mutations play a big role in evolution too!
Explanation:
I hope that cleared things up for you! pls give me brainliset <3
what is all the tiny photoautotrophs found near the surface of a body of water
Answer:
Phytoplankton. It refers to all the tiny photoautotrophs found on or near the surface of a body of water. Phytoplankton usually are the primary producers in aquatic ecosystems.
Explanation:
Hope it helps! =D
(b) To genetically engineer the original cell so that it would glow, the scientists had to obtain a suitable
gene.
(i) Describe the stages that a scientist would complete to obtain this gene.
Answer: See Below
Explanation:
1. The scientist would need to identify the gene for a protein that would make it glow. For example Aequorea victoria, the jellyfish that produces green fluorescent protein (GFP) is the most common type of fluorescent tag use in biotechnology. This would be done by completing genetic sequencing to identify the gene of interest from the jellyfish cell.
2. The gene could then be amplified through PCR. Assuming this is a bacterial cell, a vector such as pUC19 could be used. The vector and the PCR amplified product would have to be digested. A double digest is recommended to ensure the gene inserts in the proper conformation.
3. Heat shock the plasmid into the cell and proceed on to Blue/White screening to identify which cells contain the gene of interest. You can then isolate and grow the culture containing the GFP gene and induce with IPTG to produce the protein that would make it glow.
Alternatively you could buy a pre-made plasmid from AddGene containing the GFP gene for 75$, complete a miniprep on the cells and heatshock. Either way works.
What happens when red blood cells decreases in the blood?
Answer:
Having a low level of red blood cells can diminish the ability of the blood to transport oxygen, which can cause the heart to come under strain as it works to get enough oxygen to the tissue. Anemia can happen with lower red blood cell count or when red blood cells dont contain enough hemoglobin.
the pectoral girdle and pelvic girdle are constructed similarly, yet the pectoral girdle is designed for mobility while the pelvic girdle is designed for stability. do you have any thoughts about how the anatomy allows this to happen?
The pelvic girdle and pectoral girdle are two of the most significant bone structures that support the body and provide the backbone for many bodily functions.
The pelvic girdle and pectoral girdle are two of the most significant bone structures that support the body and provide the backbone for many bodily functions. Although both girdles have a similar structural shape, the pectoral girdle is designed to provide maximum mobility, while the pelvic girdle is built for stability.The design and anatomy of the pelvic girdle allow it to provide excellent support for the lower abdomen and maintain stability in the pelvis. The pelvic girdle, also known as the hip bone, is constructed in a ring-like structure that comprises several bones, including the ilium, pubis, and ischium bones. The ring-like structure and the large surface area of the bones provide ample support to the body while allowing only a minimal amount of mobility.In contrast, the pectoral girdle is designed to provide a vast range of motion to the upper body. The anatomy of the pectoral girdle includes the clavicle and scapula bones. The clavicle bone connects the sternum and scapula bones, allowing for a wide range of movement in the shoulders. The scapula bone, also known as the shoulder blade, is attached to the humerus bone, enabling the arm's movement.The pectoral girdle and pelvic girdle have the same structural shape, but they are anatomically designed for specific purposes. The pelvic girdle is designed to provide stability while limiting movement, whereas the pectoral girdle is built to enable a broad range of movement.
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The frequency of two alleles in a gene pool is 0.17 (A) and 0.3 (a.) assume that the population is in Hardy-Weinberg equilibrium calculate the percentage of heterozygous individuals in the population.
28% 1% 31% or 46%
The correct answer based on the calculation would be approximately 10.2% heterozygous individuals in the population. The correct answer is 10%.
To calculate the percentage of heterozygous individuals in a population in Hardy-Weinberg equilibrium, we can use the formula 2pq, where p represents the frequency of one allele (A) and q represents the frequency of the other allele (a).
Given that the frequency of allele A is 0.17 and the frequency of allele A is 0.3, we can calculate:
p = 0.17
q = 0.3
Now, we can substitute these values into the formula:
2pq = 2 \(\times\) 0.17 \(\times\) 0.3 = 0.102
Therefore, the percentage of heterozygous individuals in the population is 0.102 \(\times\) 100 = 10.2%.
Based on the given answer choices, none of them exactly match the calculated value.
The closest option is 1%, but it does not match the calculated percentage accurately. It's possible that there may be a typographical error or slight deviation in the provided answer choices.
The correct answer based on the calculation would be approximately 10.2% heterozygous individuals in the population.
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Question
The frequency of two alleles in a gene pool is 0.17 (A) and 0.3 (a.) assume that the population is in Hardy-Weinberg equilibrium calculate the percentage of heterozygous individuals in the population.
28% 10% 31% or 46%
The most desirable adaptations are structural adaptations those that give an organism a survival advantage behavioral adaptations physiological adaptations
Structural adaptations are modifications made to an organism's structure to help it better adapt to its surroundings.
What is structural adaptation?
Structural adaptations are unique characteristics that may include unique body parts like skin, colour, and shape. These modifications aid organisms in surviving in their native environment.
These structural alterations have an impact on an animal on numerous levels, and because they are highly apparent adaptations, one can completely recognise them with the unaided eye.
As an illustration, consider how desert plants have adapted to the harsh environment of the desert, where there is a scarcity of water and high temperatures. Because there is less water available in the desert, plants known as succulents have adapted by storing water inside of themselves.
How does adaptation work?
The term "adaptation" refers to a change in an organism's structure and function as a result of a natural process that makes the organism more suited to endure and proliferate in a given environment.
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explain how northern blotting or the reverse transcriptase-polymerase chain reaction (rt-pcr) can be used to determine how expression of a gene changes at different stages of embryonic development.
Northern blotting is a method that allows researchers to study the expression of a specific gene by measuring the amount of RNA produced by the gene.
To perform northern blotting, RNA is extracted from embryonic tissue at different stages of development, and the RNA is then separated by gel electrophoresis. The RNA is then transferred to a membrane and hybridized with a labeled probe that is specific to the gene of interest.
RT-PCR is a technique that allows researchers to measure the amount of mRNA produced by a specific gene. To perform RT-PCR, RNA is extracted from embryonic tissue at different stages of development, and the RNA is then reverse transcribed into cDNA using a reverse transcriptase enzyme.
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Plant cells have a
____while animal cells do not.
Answer:Cell Walls
Explanation:Photosynthesis takes place in chloroplasts. Cell walls allow plants to have strong, upright structures and vacuoles help regulate how cells handle water and storage of other molecules.