Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. ... Sexual reproduction involves meiosis, which is the process of a cell doubling its DNA, shuffling its genes, and then dividing the shuffled DNA among four cells.
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Answer:Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms.
Explanation:
Sexual reproduction involves meiosis, which is the process of a cell doubling its DNA, shuffling its genes, and then dividing the shuffled DNA among four cells.
Cells are limited from growing too large because
Answer:The ratio of surface area to volume is the most effecient size for them to fuction the best.
Explanation:
Cells are limited from growing too large primarily due to the decreased surface area-to-volume ratio, which affects nutrient diffusion efficiency, and the programmed number of cell divisions to prevent DNA damage accumulation and mutations. Cell cycle regulation also ensures proper cell function before division.
Cells are limited from growing too large due to several factors. One crucial reason is the surface area-to-volume ratio, which decreases as a cell increases in size. If a cell becomes too large, the plasma membrane cannot provide enough surface area for the efficient diffusion of nutrients and waste, which is vital for cell function.
Furthermore, cells are programmed to divide after a certain number of growth cycles to avoid problems like DNA damage accumulation that may lead to mutations and impaired functions. This programming ensures that cells do not grow uncontrollably, but instead divide to maintain optimal function. Lastly, the cell cycle is highly regulated to ensure that cells grow, replicate their DNA, and copy their organelles before dividing. Such tight control is necessary to prevent the growth of cells that are dysfunctional or incapable of performing their necessary functions.
The cells that make up plant leaves are specialized in structure and function to allow them to produce food from sunlight in the process known as photosynthesis. Which statement below BEST summarizes why plant leaves are specialized structures that are generally flat and thin? A) to allow the transportation of nutrient materials into the roots B) to create the large surface area needed to dissipate heat energy C) to maximize the amount of light transmission through the cell layers D) to maximize the ability of the leaf to conserve water needed for photosynthesis
Answer:
C.
Explanation:
3) How long did tey predict it would take to decode the human genome?
4) what does Tay Saches disease do to a babies' brain?
5) who does a get the Gene for Tay Saches from?
6) what is slowly down the government teams?
7) by early 2000, how many base pairs/sec we're rolling out?
8) how many times were the fundmuntal mechanism's for life worked out on this planet?
9) why doesn't work get done o certain regions of DNA molecules?
10) are genes one dimensional or 3 dimensional?
11) what do genes do basically?
12) what was every week like at Solaris?
13) how many of the 17 children have arthritis?
14) what are the "guys in the funny suits" making?
15) BRCA mutations cause what percentage of breast cancers?
16) what would most changed we make to DNA today do to the machine?
17) what do you come away from reading the geome realizing?
18) what can "we and we do alone"?
19) it was long thought that humans had around 100,000 Gene's. The initial survey of the human genome indicated that there were only about ___ genes in humans.
20) what interesting fact about human genes allows humans to be do much more complex than something like a fruit fly?
What is ATP and cartiac arrest?
Answer:
ATP is energy
cardiac arrest is when your heart stops and cant beat
Explanation:
(06.01 MC) Which type of biotechnology would a dairy farmer use to mate the cows at his farm with genetically superior bulls to produce offspring that give high-quality milk? (4 points) Genetic engineering because the genes of the cows are altered Genetic engineering because cows with desirable traits are produced Artificial selection because offspring with desirable traits are produced Artificial selection because the process reduces the production time of offspring
Answer:
Artificial selection because offspring with desirable traits are produced
Explanation:
Farmers would not alter the genes of the cows through genetic engineering. A more practical approach is using artificial selection where two individuals with desirable traits are bred to produce offspring with those desirable traits.
Answer:
c
Explanation:
Which organisms eat only plants
Answer: Herbivores are the second level of the food chain and eat only plants. They are considered primary consumers because they are the first consumers on the food chain. Squirrels are herbivores that eat grass and small plants near the ground.
Organisms that eat only plants are known as herbivores.
Herbivores are a type of consumer in the food chain or food web, and their diet primarily consists of plant material such as leaves, fruits, stems, flowers, and seeds. These animals have adapted to consume plant-based diets, and they play a crucial role in ecosystems by helping to regulate plant populations and nutrient cycling. Examples of herbivores include cows, deer, rabbits, giraffes, and many insects like caterpillars and grasshoppers.
Herbivores are organisms that primarily consume plant material as their main source of food. They are an important group of consumers in ecosystems and play a critical role in shaping the dynamics of plant populations and the flow of energy through food chains and food webs. Herbivores obtain essential nutrients, including carbohydrates, proteins, minerals, and vitamins, from the plant material they consume.
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Nathan is enjoying his lunch with his classmates. His friend tells him that the food he is eating is converted into energy during the digestion process and that the body uses chemical energy to power our muscles. Nathan knows this to be untrue. What kind of energy is released when humans use their muscles?
Answer:
mechanical energy
Explanation:
When digesting the food, it does turn into chemical energy but that chemical energy turns into mechanical energy to use your mucles.
Answer:
the answer is thermal (only type in thermal, otherwise you’ll get it wrong)
Explanation:
Got it right on edge
How does a habitat impact the survival odds of an organism?
A. Increases the odds by allowing predators to dominate the ecosystem
B. Increases the odds by creating relationships among organisms
C. Decreases the odds by encouraging natural disasters to injure the organism
D. Decreases the odds by harming the overall well-being of each organism
Answer is B
Increase the odds by creating relationships among organisms.
Answer:
B. Increases the odds by creating relationships among organisms
Explanation:
The species of living beings present in a habitat interact with each other for food, shelter, reproduction and other resources. These interactions may be positive or negative. Presence of more than one food choices, and availability of choices for other resources for an organism increases the chances of its survival under unfavorable conditions. Hence, interaction between organisms present in a habitat serves to increase the chances of survival for an organism.
Example: A hawk may feed on mouse if grasshopper is not available as food.
30 POINTS!
The diagram below shows the interrelationship between two processes. Arrows pointing in the clockwise direction are shown along a circle. On top of the circle is the label Process A and moving clockwise we see an arrow, the label Oxygen and Glucose, another arrow, the label Process B, another arrow, the label Carbon dioxide and Water, and another arrow point back to Process A. What do Process A and Process B most likely represent?
Both represent photosynthesis.
Both represent cellular respiration.
Process A represents cellular respiration and Process B represents photosynthesis.
Process A represents photosynthesis and Process B represents cellular respiration.
Answer:
A represents photosynthesis and B represents cellular respiration.
Explanation:
As in A there is utilization of carbon dioxide and water to make oxygen and glucose which is a key process of photosynthesis, and then this oxygen and glucose is used as energy source to produce carbon dioxide and water as by products of respiration.
Answer:
A represents photosynthesis and B represents cellular respiration.
Explanation:
HELP PLEASE ASAP WILL GIVE BRAINLEIST
What captures energy from sunlight during photosynthesis?
a.
solar cells
b.
stomata
c.
chlorophyll and other pigments
d.
carbohydrates
i think its c. chlorophyll and other pigments correct me if i'm wrong! <3
Answer:
I'm pretty sure it's C.
Explanation:
Chlorophyl captures light energy and uses it to power the second stage of photosynthesis.
Normal cardiac rhythm is determined by which of the following?
Sinoatrial node
Atrioventricular node
Mitral valve
Left ventricle
What is the movement of air from high pressure areas low-pressure areas
Answer:
Wind
Explanation:
Wind refers to a mass of moving air. Air has pressure. Air always moves from the region of higher pressure to that of lower pressure. The intensity of the pressure gradient determines the speed of the air movement. A higher pressure gradient imparts higher speed to the air movement. Hence, movement of air from high pressure areas low-pressure areas is called wind.
"The movement of air from high pressure areas to low-pressure areas is known as wind.
Wind is the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air. In outer space, solar wind is the movement of gases or charged particles from the Sun through space, while planetary wind is the movement of gases within the atmospheres of planets.
The primary cause of wind is the uneven heating of the Earth's surface by the sun. Since the Earth's surface is made up of different types of land and water, it absorbs the sun's radiation unevenly. During the day, the air above the land heats up more quickly than the air above water. The warm air over land expands and rises, and the cooler air over water rushes in to take its place, creating wind. At night, the winds are reversed because the air cools more rapidly over land than over water.
In addition to the temperature differences, the rotation of the Earth also affects the direction and strength of the wind. This is known as the Coriolis effect. The Coriolis effect causes winds in the Northern Hemisphere to veer to the right and winds in the Southern Hemisphere to veer to the left.
The pressure differences that cause wind are also influenced by geographical features such as mountains and valleys. Wind can be classified into several types based on its spatial scale, its speed, the types of forces that cause it, the regions in which it occurs, and its effect. Some of the common types of winds include global winds, trade winds, westerlies, and local winds such as sea breezes and land breezes.
In summary, wind is the movement of air from areas of high pressure to areas of low pressure, driven by temperature differences, the Earth's rotation, and geographical features. This movement plays a crucial role in weather patterns and the redistribution of heat around the globe."
Which biome is commonly found near the equator? O tropical forest temperate forest O temperate grassland O coniferous forest
Tropical forest because it has a high temperature and rainfall throughout the year. Different species of plants and animals thrive there.
The biome is commonly found near the equator is Tropical forest because it has a high temperature and rainfall throughout the year. Different species of plants and animals thrive there.
Describe the tropical rainforest?The tropical rainforest occur in the tropics - the band around the equator bounded by the Tropic of Cancer and the Tropic of Capricorn.
Both forest types feature trees and other plants with large broad leaves which expedite photosynthesis.
Thus, option "A" is correct, Tropical forest.
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How does the creation of a new mountain range in an ecosystem affect an animal population that becomes divided into two groups by the mountains?
Over time the two groups of animals with evolve different features that are suitable in their environments and eventually won’t be able to mate with each other at all.
The creation of a new mountain range in an ecosystem affects the general characteristics and pattern of lifestyle due to the process of evolution over a long time.
What is an Ecosystem?An ecosystem may be defined as a type of place or an area where individuals of different species live together and interact with each other for the purpose of food, space, shelter, mating partner, and other resources.
Allopatric speciation significantly takes place when a species separates into two separate groups which are isolated from one another. It is an example of a physical barrier that makes it impossible for them to breed with one another. Due to this physical barrier, two organisms of the same species do not mate with each for a long time and hence, speciation occurs.
Therefore, the creation of a new mountain range in an ecosystem affects the general characteristics and pattern of lifestyle due to the process of evolution over a long time.
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Where is frost wedging most likely to occur?
Answer:
rost wedging is a form of physical weathering that involves the physical breaking of a rock. It typically occurs in areas with extremely cold conditions with sufficient rainfall. The repeated freezing and thawing of water found in the cracks of rocks (called joints) pushes the rock to the breaking point.
Explanation:
The frost wedging occurs in extreme cold climates and in areas of extensive rainfall.
Explanation:
Frost wedging is a concept that occurs due to the expansion of water to ice, water is a liquid matter thereby the molecules in it are loosely filled whereas it expands when it becomes ice as the molecules compact each other to a solid matter. This causes cracks in the areas this water is filled for instance the cracks in the rocks or pipe hedges etc.
Plants make sugar by the process of photosynthesis. The reactants are carbon dioxide and water, in the presence of sunlight. Most gases, like carbon dioxide, enter and leave the plant through the
A) flower.
B) leaves.
C) fruit.
D) roots.
B leaves
Hope this helps
Answer:
B leaves
Explanation:
what are the rules of atoms?
The rules of the atoms can be majorly explained through three rules and principles;
Aufbau principlePauli exclusion principleHund's ruleHund’s rule states that an atomic orbital is firstly singly occupied by electrons before it is doubly occupied until its fully filled. Electrons in a singly occupied orbital have the same spin quantum number.
Aufbau principle states that the lowest atomic orbitals are occupied first, while Pauli exclusion principle states that the electrons in an atomic orbital cannot have the same quantum state.
TRY TO GET AS MANY AS YOU CAN FOR 50 PONITS!!!
1. Romanticism was a reaction against the order, harmony, and reason of the ____________________blank period. It represented a revolution in the ____________________blank.
2. Instead of emphasizing order, harmony, and reason, Romanticism sought truth in ____________________blank.
3. Name the French philosophe who paved the way for the Romantic movement and name two of his beliefs. Answer:
4. Complete his famous quote: “Man is born free, and ____________________blank.”
5. What was the name and nationality of the author of The Sorrows of Young Werther? He was a member of the Sturm und Drang movement of authors. What does Sturm und Drang mean? Answer:
6. Name the poet who found inspiration in the natural beauty of the English Lake District. Answer:
7. Byron traveled to ____________________blank to help its people fight against the Ottomans. He once declared, “I was born for ____________________blank.” Day 2 Read Reading Guide
8. ____________________blank was a landscape artist who loved to paint the scenery where he grew up, around the River Stour in ____________________blank.
9. ____________________blank was a French painter who loved to paint scenes from the exotic places he visited. He also painted Liberty Leading the People during the 1830 rebellion.
10. ____________________blank was a German Romantic artist who painted wild landscapes, such as rocky seacoasts and dark forests.
11. Name the composer who began in the Classical style, became increasingly influenced by Romanticism, and whose music was inspired by the natural world. Answer: Explore and Discuss As you’ve seen, Romanticism was very much a reaction against the emphasis on reason that was so important to the Enlightenment. It was also a reaction against the Industrial Revolution with its factories and pollution and overcrowded living conditions that, as you’ll see in a later lesson, was starting to spread across Europe. Why might Romanticism have been at odds with such developments? Answer:
1. Age of Enlightenment (the period during the industrial revolution)
2. Emotion and nature
4. “Man is born free, and everywhere he is in chains”
(Those are all the ones I know)
In the test tube shown, what is produced by the snail that is used by the plant?
Answer:
In test tube C, both the water plant and the snail is kept. The plant further utilizes the carbon dioxide released by the snail for photosynthesis, and the snail utilizes by the plant for their respiration. Respiration is the process by which energy is released from food in our body.
How are messages carried throughout the human body from the brain to the nervous system?
A. Active transport B. Chemical channels C. Electrical signals D. Magnetic synapses
Answer:
C)
Explanation:
Your nervous system contains millions of nerve cells (Neurons), which are specialised to transmit messages from one part of your body to another one. The neurons carry messages in the form of electrical signals called nerve impulses.
For that reason, the correct response is letter C)
Answer:
The correct answer is – electrical signal. The messages in our body that need to be sent from the brain to the different parts of the nervous system are carried by the electrical signals.
Explanation:
The signal or messages transfer in our body according to the voltage gradient created by the different ions present inside and outside of the cell. The sensory organs receive the messages through the sensory nerve to the central nervous system. The motor nerve transfers this message to the effector organ by creating the electrical gradient.
Further explanation:
The nerve impulse is the form of the electrical signal caused by the changes in the voltage inside and outside of the axons.
The speed of the nerve impulse is fast and can go up to the speed of 250mph. The conduction speed can be increased by increasing the diameter of the axon and increasing the temperature.
The important ions that are involved in changing the electrical gradient of the cell is sodium, potassium, calcium and chlorine.
During the transmission of nerve impulse, the cell changes from its resting membrane potential to the depolarization of the cell . The sodium ions enter in the cell for the depolarization of the cell. The potassium ions are responsible for maintaining resting membrane potential of around -50 to + 70 mV depending on the type of the cell. Hence, the change in the electrical potential of the cell helps in the transmission of the nerve impulse from the brain to the nervous system.
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1. Nerve impulse https://brainly.com/question/11882843 ( answer by AL2006 Ace).
2. Electrical impulse https://brainly.in/question/2260933 ( answer by Chetnachaudhary).
Keywords
Electrical impulse, nerve impulse, electric potential, ions, potential, permeability and central nervous system.
A snail was observed to have moved a distance of 0.5 meters in 2 hours. What rate of movement was observed in this experiment
Answer:
0.25 m/ hour
Explanation:
A rate of movement is essentially a speed measurement, where you divide the distance crossed from point A to point B by the time it took to do it.
So, we know the snail moved a total distance of 0.5 meters... that's our distance crossed.
We know that took 2 hours... so we just have to calculate that:
0.5 meters / 2 hours = 0.25 m/hour
Answer:
The answer is Velocity is equal to 0.25 meter per hour.
Explanation:
Velocity is the physical magnitude of a vector character that relates the change of position with time. The velocity shows and expresses the variation in terms of the position of an object and as a function of time, which would be the same as saying that it is the distance traveled by an object in the unit of time.
Velocity is expressed with the formula [tex]v = \frac{d}{t}[/tex] where (v) represents velocity, (d) represents distance and (t) represents time.
knowing this we can proceed to replace the values given in the problem.
[tex]v = \frac{0.5m}{2h}\\ v= 0.25\frac{m}{h}[/tex]
The branch of science that includes the study of how the nervous system sends signals to effectors is
Answer:
neurobiology
Explanation:
Neuro means nerve, bio means living, and ology is the study of something, so neurobiology means the study of a living thing's nerves
Neuroscience is the branch of science focused on how the nervous system, including the central and peripheral systems, sends signals to effectors like muscles and glands, allowing the body to respond to stimuli.
The branch of science that includes the study of how the nervous system sends signals to effectors, such as muscles and glands, is known as neuroscience. The nervous system is an intricate collection of nerve cells that function as an electrical information highway, facilitating communication between the brain and the rest of the body. This complex network includes both the central nervous system (CNS), which comprises the brain and spinal cord, and the peripheral nervous system (PNS), which connects the CNS to our skin, muscles, and glands. Responses to stimuli, whether they are voluntary actions like typing a message, or involuntary ones such as the beating of our heart, are all controlled by this sophisticated system.
Missense, nonsense, and silent mutations are examples of which type of mutation?
substitution
insertion
deletion
replication
The answer is Substitution because a silent mutation happens when there is a change in the DNA sequence hope this helps
Substitution mutations involve the replacement of one nucleotide with another in the DNA sequence. Missense, nonsense, and silent mutations are examples of substitution mutations.
Mutations that occur as a result of substitution include silent, nonsense, and missense mutations.
One nucleotide in the DNA sequence is swapped out for another in substitution mutations. The resultant protein may be affected in a variety of ways by these mutations:
Missense Mutation: A missense mutation happens when a nucleotide change results in a codon change, which causes the protein to include a different amino acid. This may change how a protein functions.
A stop codon is created when a codon that normally codes for an amino acid undergoes a nonsense mutation. Usually, this results in the early termination of protein synthesis, which leaves a truncated and ineffective protein.
Silent Mutation: A silent mutation is similar to a replacement in that the protein's amino acid sequence remains unaffected. This is due to the genetic code's degeneracy, which allows for the possibility of several codons encoding the same amino acid. Therefore, whereas a silent mutation may alter the DNA sequence, the protein output is unaffected.
Point mutations, such as substitution mutations, occur when the sequence of a single nucleotide in the DNA is changed. Depending on the precise nucleotide mutation and the function of the affected gene, they can have a wide range of effects.
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What do the different colors of visible light represent?
Answer:
The color of light is determined by the intensity of the different wavelengths that make up that light. People perceive color when electromagnetic radiation with a wavelength between 750 and 400 nanometers reaches the eye. The whole of the intensities of all those wavelengths is the spectrum. The color of the surface of an object is determined by the spectral part of the light that is reflected by that surface, and the other colors are absorbed.
What is the ultimate source of energy for plants
Sunlight because all plants need sunlight to produce food
Plants cannot make sugar molecules for energy without _______.
I. water
II. sunlight
III. carbon dioxide
A.
II and III only
B.
I, II, and III
C.
I and III only
D.
I and II only
Answer:
water and carbon dioxide
Explanation:
water molecules and carbon dioxide molecules are combined to produce sugar molecules also known as glucose
Answer:
IT'S B THE ANSWER
Explanation:
plants need all 3 property's
I did it on study island and got it right.
You can reduce the amount of pollutants in your home by _____.
You can reduce the amount of pollutants in your home by improving air circulation.
Answer: Reducing the waste and reusing the materials that can be used.
Explanation: The amount of pollutants can be reduced in house by reducing the amount of waste.
The materials that can be reused has to be reused so that the total waste can be less than the normal.
The materials can be recycled to be used again like a broken flower vase can be recycled into a show piece.
which type of venation do
we a gram plant has?
its a mutation
Answer:
Explanation:
Answer:
It will mutate like the other person said, I give him full credit for this answer.
Credit Goes To:
Stmasonw
(Full Credit)
In which state do molecules have the highest kinetic energy?
A.
in the liquid state
B.
in the solid state
C.
in the gaseous state
OD. during the phase change from liquid to gas
Answer: I am pretty sure c
Explanation:
Which combination forms a covalent bond
Covalent bonds form when two atoms share electrons to fully fill their outer shells. They can be polar (unequal sharing due to electronegativity differences) or nonpolar (equal sharing). A coordination covalent bond occurs when one atom donates both bonding electrons.
Explanation:A covalent bond forms when two atoms share electrons to fully occupy their outer electron shell or valence shell. This electron-sharing typically occurs between nonmetal elements. For example, water (H₂O) is formed through covalent bonding: the oxygen atom shares its unpaired electrons with two hydrogen atoms, so the outer shell of each atom is filled, making the atoms more stable.
Covalent bonds can be polar or nonpolar. In a polar covalent bond, the electrons are not shared equally due to differences in electronegativity. However, in a nonpolar covalent bond, the electrons are shared equally. An example of a molecule with nonpolar covalent bonds is molecular oxygen (O₂), where electrons are equally shared between the two oxygen atoms.
Another type is a coordinate covalent bond (or dative bond), which forms when one atom provides both bonding electrons. This can be seen when a water molecule combines with a hydrogen ion to form a hydronium ion or when an ammonia molecule combines with a hydrogen ion to form an ammonium ion.
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