Every living thing has the exact identical genetic code. This demonstrates the shared evolutionary history of all living organisms. The genetic code is quite clear. Every codon only specifies one amino acid (or start or stop).
In most organisms, there are 20 different types of amino acids. A protein's length and particular amino acid genetic code sequence, which are influenced by the quantity and arrangement of DNA's nucleotide pairs, identify one protein from another organisms.
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3
Select the correct answer
Hector is back from his morning run and is feeling lightheaded because his energy is depleted. Which food item will provide him with a quick
source of carbohydrates?
A fruit juice
OB tuna fish
Oc scrambled eggs and butter
OD. beans
Reset
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Answer:
The answer is beans.
Explanation:
Hector should eat beans because it has carbs and carbs give more energy.
Answer:
scrambled egg and butter
Explanation:
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This terrestrial system is characterized by evergreen shrubs, mild, wet winters, and warm, dry summers. The vegetation in this area has adapted to frequent fires and is either fire resistent or uses fire to germinate its seeds.
Chaparral
Desert
Temperate Grasslands
Savanna
The terrestrial system characterized by evergreen shrubs, mild, wet winters, and warm, dry summers is called chaparral. This vegetation in this region has adapted to frequent fires and is either fire-resistant or uses fire to germinate its seeds.
Chaparral is a Mediterranean climate's ecosystem. It is characterized by mild, wet winters and warm, dry summers, as well as a diverse plant community that has adapted to frequent fires. The vegetation in this region is either fire-resistant or uses fire to germinate its seeds. Fire is necessary to remove dead plant material and return nutrients to the soil in this area.
Without regular fires, the chaparral would eventually become a dense forest and lose its distinctive characteristics.The plants in chaparral region:Some of the common plants of the chaparral include chamise, manzanita, ceanothus, toyon, and scrub oak. The vegetation in this area, which is adapted to fires, has the capacity to sprout new growth from a living root crown or underground bulb. Some plants also have seeds that require heat from a fire to germinate.
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what is difference between self pollination and cross pollination? Help me
Answer:
Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species. Self-pollination occurs in flowers where the stamen and carpel mature at the same time, and are positioned so that the pollen can land on the flower's stigma.
is a stretch of dna consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway.
Operon is a stretch of DNA consisting of an operator, a promoter, and genes for a related set of proteins, usually making up an entire metabolic pathway.
A grouping of genes along the DNA that code for functionally similar proteins is known as an operon and is a genetic regulatory mechanism that is present in bacteria and their viruses. Because of this property, protein production can be coordinated to meet the demands of the cell.
An operon is a collection of genes that are all translated into the same mRNA and share a common promoter. Operons come in two different varieties: lac and trp. The lac operon is an inducible operon that is present in Escherichia coli and encodes the genes involved in the catabolism of lactose.
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what keeps food from entering the nasal cavity during swallowing?
Answer:
The valve created by the soft palate keeps food out of the nasal airway during swallowing. The valves created by the false and true vocal folds and the epiglottis prevent food from entering the airway during swallowing.
Adversarially trained neural representations are already as robust as biological neural representations
Adversarially trained neural representations are a type of artificial neural network that has been trained using adversarial methods. These methods involve training the network to generate outputs that are resistant to perturbations or adversarial attacks.
On the other hand, biological neural representations refer to how information is encoded and processed in the brain.
It is not accurate to say that adversarially trained neural representations are already as robust as biological neural representations.
While adversarial training can improve the robustness of artificial neural networks, they are still not on par with the robustness of biological neural representations. Biological neural representations have evolved over millions of years and exhibit a level of robustness and flexibility that is currently unmatched by artificial neural networks.
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If you threw a ball up on the Moon, it would go up 6 times higher than on Earth. Explain how this is possible.
Answer:
Explanation:
A ball thrown up on the Moon would go up about six times higher than on Earth due to the significant difference in the gravitational force between the two celestial bodies.
The force of gravity pulls objects towards the centre of mass of a celestial body. The Moon has a much smaller mass compared to Earth, which results in a weaker gravitational pull on its surface. The gravitational acceleration on the Moon is approximately 1/6th of that on Earth.
When a ball is thrown up on the Moon, the force of gravity acting upon it is much weaker than on Earth. As a result, the ball experiences less resistance in moving against gravity and can reach a higher altitude before eventually falling back down.
On Earth, the stronger gravitational pull means that the ball faces more resistance in moving against gravity, and thus, it cannot reach as high of an altitude before gravity brings it back down.
So, while the action of throwing a ball up on the Moon is similar to that on Earth, the weaker gravity on the Moon allows the ball to overcome gravity's pull more easily, resulting in it reaching a significantly higher height, approximately six times higher than on Earth.
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aniridia is a dominant genetic disorder leading to congenital severe vision impairment. a child is born with aniridia. the father has normal vision. what are the possible genotypes of the child, the mother, and the father?
A child is born with aniridia. the father has normal vision. The possible genotypes of the child, the mother, and the father are aa, AA or Aa and Aa respectively.
Aniridia is an eye condition in which the colored part of the eye (the iris) is either completely or partially absent. The pupils may be abnormal or misshapen as a result of these iris abnormalities. Visual acuity, or sharpness of vision, can be affected, as can photophobia, and increased sensitivity to light.
Aniridia is acquired in an autosomal dominant pattern, and that implies one duplicate of the adjusted quality in every cell is adequate to cause the problem. The mutation is passed down from one affected parent in approximately two-thirds of cases.
Father genotype is - aa.(normal vision)
Mother genotype is - AA or Aa (deseased vision)
child's genotype should be Aa (A comes from mother and a comes from father)
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what is the probability for a child to inherit one of two alleles from her dad??
a:100%
b: 50%
c: 0%
d: impossible to know
Answer:
100%
Explanation:
a child will get one allele from her mom and one from her dad.
Answer:
50%
Explanation:
the probability for a child to inherit one of two alleles from her dad is 50 persent.
In both plants and animals, RNA contains
deoxyribose sugar, phosphates, adenine, uracil, guanine, and cytosine
ribose sugar, phosphates, adenine, thymine, guanine, and cytosine
ribose sugar, phosphates, adenine, uracil, guanine, and cytosine
deoxyribose sugar, phosphates, adenine, thymine, guanine, and
cytosine
Answer:
option (C)
Explanation:
In both plants and animals, RNA contains:
Ribose sugar, phosphates, adenine, uracil, guanine, and cytosine.
True or False: San Andreas Fault is an example of a Convergent Boundary.
How do Newton’s laws of motion explain why it is important to keep the ice smooth on a hockey rink so that players can pass a puck as quickly as possible?
Smooth ice reduces the inertia of the hockey puck.
Smooth ice increases the force used to accelerate the hockey puck.
Smooth ice reduces the unbalanced forces that would slow the hockey puck.
Smooth ice decreases the reaction force that the ice exerts on the hockey puck.
It is important to keep the ice smooth on a hockey rink because this reduces the unbalanced forces that would slow the hockey puck.
Frictional forcesFrictional forces are opposing forces to the motion of an object on a platform.
In order to be able to pass a puck as quickly as possible on a hockey rink, there should be a minimal frictional force on the ice surface on which the puck moves.
With minimal opposing forces, the puck will move as unhindered as possible and passing as fast as possible would be easy.
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Answer:
C
Explanation:
A scientist observes a pair of separate chromosomes that have genes for the same trait arranged in the same order. However, some of the alleles for the genes are different. What is the scientist most likely observing?
homologous chromosomes with heterozygous alleles
homologous chromosomes with homozygous alleles
heterozygous chromosomes with heterozygous alleles
heterozygous chromosomes with homozygous alleles
Answer:
Homologous chromosomes with heterozygous alleles.
Explanation:
What are 5 stages of protein synthesis?
Answer:
Activation of amino acids
Transfer of amino acids to tRNA
Initiation of a polypeptide chain
Chain Termination
Protein translocation
21
The flowers that feed hummingbirds have long tube-like pedals. Suppose the flower pedals grew even longer. The only
hummingbirds who could get to the nectar were hummingbirds with the longest beaks. What type of selection is this?
A Stabilizing selection
B Disruptive selection
Directional spection
D Sexual selection
Answer:
do you have a picture with the question?
Explanation:
is there a diagram
Why does the cell complete DNA replication?
Answer:
The cell must replicated DNA because when the cell divides, the daughter cells must have identical copies of DNA. DNA replication occurs in the S phase during interphase of the cell cycle.
Explain the difference between weather and climate. Create a statement that describes weather and one that describes climate. Describe the weather factors that are important in determining where plant and animals can exist in an area. Describe at least three types of weather data that is collected, the instruments used to collect the data, and in what units they are measured. Differentiate between the three major climate zones.
Answer:
Weather refers to short term atmospheric conditions while climate is the weather of a specific region averaged over a long period of time. Climate change refers to long-term changes.
Explanation:
What is a difference between climate and weather?
Image result for explain the difference between weather and climate.
Weather can change from minute-to-minute, hour-to-hour, day-to-day, and season-to-season. Climate, is the average of weather over time and space. We hear about weather and climate all of the time. Most of us check the local weather forecast to plan our days.
What are the 3 differences between weather and climate in points?
Weather is the combination of temperature, humidity, precipitation, cloudiness, visibility, and wind. In popular usage, climate represents the synthesis of weather; more formally, it is the weather of a locality averaged over some period (usually 30 years), plus statistics of weather extremes
Explanation:
Weather is rain, snow, thunderstorms, hail, etc. Climate is a desert, island, rain forest, etc. Animals and plant's all need different weather and climate. For example a cactus's needs a hot climate and doesn't need a lot of wet weather (rain, snow, hail, thunderstorm, etc)
Which membrane protein is not integral to the plasma membrane and is often attached to the cytoskeleton?.
Peripheral membrane protein is not integral to the plasma membrane and is often attached to the cytoskeleton.
What does cytoskeleton mean?The cytoskeleton is a framework that aids in maintaining the internal order and shape of cells. Additionally, it provides mechanical support, enabling cells to carry out essential functions including division and motility.. There isn't just one cytoskeletal element.
What three types of cytoskeletons are there?Actin filaments, microtubules, and intermediate filaments are the three main types of filaments that make up the cytoskeleton.
What is the purpose of the cytoskeleton?The cytoskeleton is present throughout the cytoplasm of the cell and regulates a variety of significant processes. It provides the cell with support and aids in maintaining its form. The cytoskeleton holds a variety of cellular organelles in place. It promotes the development of vacuoles.
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In order to safely bring the fossilized remains of a yeti down the side of a snowy mountain, they are strapped to a sled - the combination of which weighs 972 N - then carefully lowered down the 19.8∘ incline. To ensure the fossil is not damaged, it is brought down the snowy slope at a constant 1.92 m/s Although the runners of the sled are smooth, they are not free of friction; the coefficient of kinetic friction between the runners and the snow is 0.107. Assuming the rope is kept taut and parallel to the incline, what must be the tension (in newtons) in it
The tension in the rope is calculated as 33.7 N.
Weight of sled and fossil, w = 972 N Inclination angle of slope, θ = 19.8°
Speed of sled, v = 1.92 m/s
Coefficient of kinetic friction between sled runners and snow, μ = 0.107
To find:
Tension in the rope, T The forces acting on the sled are the gravitational force (Fg), the normal force (Fn) and the force of friction (Ff). The normal force is perpendicular to the slope and equal to the component of the gravitational force perpendicular to the slope. The force of friction is parallel to the slope and opposite the direction of motion.
The net force acting on the sled is given by the expression:
F net = ma
Since the sled moves with constant velocity, a = 0.
Therefore, F net = 0. F net = Fg sinθ - Ff = 0⇒ Fg sinθ = Ff
Since the speed of sled is constant, work done by tension in the rope is equal to work done by frictional force.
Hence, T = Ff = μFn
Where F n = Fg cosθ = w cosθ
Putting all the values,
T = μw cos θ sinθ= sin 19.8°cos 19.8°= 0.3365T = 0.107 × 972 × 0.3365T = 33.7 N
The rope is 33.7 N. The given problem is related to the tension in the rope. The tension in the rope is calculated as 33.7 N.
To bring down the fossil safely down the slope, the tension in the rope is 33.7 N. The gravitational force is acting perpendicular to the slope and the force of friction is acting parallel to the slope. The normal force is the component of gravitational force acting perpendicular to the slope. The sled moves down the slope with a constant velocity. The force acting on the sled is equal and opposite to the force of tension in the rope. The force of friction is given by the expression,
Ff = μFn,
where Fn = Fg cosθ = w cosθ.
Therefore, the tension in the rope is calculated as 33.7 N.
To bring down the fossil safely down the slope, the tension in the rope must be 33.7 N.
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which of the following is not associated with the renal corpuscle? group of answer choices an efferent arteriole a podocyte a fenestrated capillary all of these are associated with the renal corpuscle. the vasa recta
The option that is not associated with the renal corpuscle is the vasa recta.
What is the renal corpuscle?The renal corpuscle is a part of the nephron that helps in the filtering of the blood. It is the initial part of the nephron, a small network of blood vessels located in the Bowman's capsule. The Bowman's capsule receives blood from the afferent arteriole and initiates the formation of urine. The urine formed in the Bowman's capsule is further processed in the proximal tubule.
What is the vasa recta?The vasa recta is a part of the nephron, it consists of a network of blood vessels that supply blood to the medulla of the kidney. They are capillaries that arise from the efferent arterioles and play a significant role in the formation of urine. They are located parallel to the nephron loop and help in the exchange of nutrients and waste products between the urine and blood.
Therefore, the vasa recta is not associated with the renal corpuscle. It is the other component of the nephron that plays a role in the formation of urine.
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HELP PLEASE 100 POINTS
Imagine researchers wanted to test different brands of sunscreen on pigs. Which of the comparisons would have the greatest effect on our ability to predict the efficacy of the sunscreen on humans?(1 point)
A.)Pigs and humans have similar amounts of hair covering their bodies.
B.)Pigs have immune systems that are very similar to those of humans.
C.)Pigs generally have slightly less mass than humans.
D.)Pigs and humans have very similar fat percentages in their bodies.
The comparisons would have the greatest effect on our ability to predict the efficacy of the sunscreen on humans is pigs and humans have very similar fat percentages in their bodies.
What is a sunscreen?Sunscreen is a cream that protect the skin from the UV rays of sunlight and prevent tanning of the skin.
Before, the products available for people, the products are generally tested on animals to verify any side effects or effect of cream.
Thus, the correct option is D.) Pigs and humans have very similar fat percentages in their bodies.
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Is tRNA used in the Calvin cycle
HELLLLLPPP PLANT STRUCTURES LAB REPORT DOES ANYONE HAVE ANSWERRS 100pts
Answer:
hey Rebecka the answer is in the photos. thank me later, also you should cut me some cucumbers
Explanation:
Plant cells are different from the animal cells in their basic structure such as the cell wall which is absent in the animal cell, chloroplast is also found in the plant cell which is not present in animal cell.
What are Plant cells?Plant cells have a rigid cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a layer which is present outside the cell membrane and surrounds the cell, it provides the structural support and protection.
The central vacuole is present in the plant cell and it maintains turgor pressure against the cell wall. The central vacuole is a large vacuole found inside of plant cells. It is a sphere which is filled with fluid and molecules inside a cell. The central vacuole stores water.
Chloroplasts are the organelles which are responsible for the process of photosynthesis, are in many respects similar to mitochondria. Both the organelles including chloroplasts and mitochondria function to generate metabolic energy, evolved by endosymbiosis, and also contain their own genetic systems, and replicate by division.
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Your question is incomplete, most probably the complete question is:
Learn and recognize the basic structures of a plant cell.
what type of adaptations help all desert plants survive?
Answer:
Desert plants have evolved three key adaptation strategies: succulence, drought tolerance and drought avoidance. Each of them is a separate yet effective set of adaptations for thriving under circumstances that would kill plants from other places.
Explanation:
Hope it helps:)
What clear fluid fills the spaces around body cells?.
Answer: Interstitial fluid, also known as tissue fluid
Explanation:
Interstitial fluid is the clear liquid that surrounds body cells and fills these spaces. The interstitial space – the space between cells in tissues throughout the body – is occupied by the interstitial fluid, an extracellular fluid.
It is formed from blood plasma and contains waste products, dissolved nutrients, gases and hormones. The exchange of chemicals between cells and blood vessels, which enables the delivery of nutrients and the elimination of waste products, is greatly facilitated by the interstitial fluid. It also helps maintain the stability of the extracellular environment, ensuring proper cellular operation and tissue homeostasis.
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define and describe osmosis
Answer:
Movement of a solvent (such as water) into a solution with a higher solvent concentration by means of a semi-permeable membrane (as from a live cell), which tends to equal solute concentrations in the membrane on both sides.
Explanation:
Osmosis, the spontaneous transition, distribution, or diffusion of water and other solvents over a semipermeable membrane. In 1877, a German physiologist, Wilhelm Pfeffer, researched the process, which is important in biology.
Osmosis is the passage of water down its concentration gradient, across a semi-permeable membrane. An everyday example is a plastic wrap in your kitchen: it allows air and water vapor to move across it, but no water or food. The membranes of cells are semi-permeable, too.
YALL THIS IS SO FREAKING HARD
WHAT DAY IS IT?
Answer:
Today is Monday, November 16, 2020.
It can be written as 11/16/2020 or 11/16/20.
It is the 321st day of the year out of 365 days.
leptin is an adipokine, a peptide hormone secreted by adipose tissue. it plays a major role in coordinating response systems linking the nutritional state of the body to environmental signals. for example, if the environment provides enough food, the body will build up fat reserves (triacylglycerols, or tags). the adipocytes release leptin, resulting in inhibition of food intake and increased energy expenditure. in 1949, an obese strain of mice was established that possessed a mutation mapping to mouse chromosome 6. mice that were homozygous for the mutation (ob/ob) were obese. in 1994, jeffrey friedman and colleagues characterized the ob gene and later isolated the product of the gene, a protein of 167 amino acids (designated leptin) that is exclusively produced in adipose tissue. what is the likely reason that ob/ob mice are obese?\
The likely reason that ob/ob mice are obese is due to a mutation in the ob gene, which leads to a deficiency in the production of the hormone leptin.
What is leptin ?Leptin plays a major role in coordinating response systems linking the nutritional state of the body to environmental signals. When the body has enough food, the adipose tissue (fat) releases leptin, which inhibits food intake and increases energy expenditure.
In ob/ob mice, there is a deficiency in leptin production, leading to an inability to regulate food intake and energy expenditure properly. This results in an accumulation of fat reserves, leading to obesity.
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In the arm the distal segment has a higher density than the proximal segment. T/F
False. The density of the arm is typically higher in the proximal segment (closer to shoulder) and decreases as it moves towards the distal segment (closer to the hand).
This is because the muscles in the proximal segment are generally larger and more complex, requiring more blood vessels and nerve fibers. Additionally, the bones in the proximal segment are thicker and denser to provide more support and stability for the upper arm. In contrast, the distal segment contains smaller muscles and bones, which require less support and have lower densities. Therefore, it is more accurate to say that the proximal segment has a higher density than the distal segment in the arm.
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One way carbon dioxide enter the atmosphere
by burning fossil fuels