Answer: The bond between two amino acids is called a peptide bond. The chemical reaction necessary to make this bond is a condensation reaction, also known as a dehydration reaction.
Explanation:
What makes people care about animals and their health ?
A researcher grows many generations of mouse skin cells in petri dishes and exposes some of them to a red wine extract. These cells never turn cancerous. The cells not exposed to the red wine extract do eventually turn cancerous. The researcher concludes that if people drink red wine regularly, they are less likely to get cancer of any kind. Is this an example of a good or bad scientific conclusion? Explain why.
This conclusion is a bad scientific conclusion for several reasons: correlation is unequal to causation, limited sample size and so on.
What makes a wrong conclusion?Correlation does not equal causation: The fact that the cells exposed to red wine extract never turned cancerous does not mean that drinking red wine prevents cancer. There could be other factors at play that the researcher did not consider.
Limited sample size: The study only used mouse skin cells and did not examine the effect of red wine on other types of cells or on whole organisms.
Lack of control group: There was no control group to compare the effects of red wine extract to. A control group would help determine if the results were due to red wine extract or due to other factors.
In summary, this conclusion is based on a limited, poorly designed study and is not a valid scientific conclusion. Further research is needed to properly assess the potential benefits or drawbacks of red wine consumption on cancer.
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The two different X in Y individuals plays a role in increasing genetic biodiversity.
X: alleles
Y: homozygous
X: generations
Y: homozygous
X: genes
Y: heterozygous
X: alleles
Y: heterozygous
The answer is d) i.e., X: alleles Y: heterozygous.
Why do we need genetic biodiversity?
Genetic variety is great when there are many variations in a species' DNA. Numerous DNA mutations in organisms with great genetic diversity result in changes in crucial qualities that humans cannot perceive as well as differences in how people look. The term for this is adaption. Species having a wide range of traits are better able to adapt to environmental changes than those with little genetic diversity. The peppered moths during the industrial revolution provide a superb illustration of this. Natural genetic variation led to a range of pale to dark wing colors in peppered moths.
The answer is d) i.e., X: alleles Y: heterozygous.
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need to know how green tomatoes turn red
What effect do clouds have on weather?
Answer:
clouds actually have a big effect on weather rain storms tornadoes
Answer:
clouds can block light and heat from the sun, making earth's temperature cooler u have probably noticed this kind of cool down on a cloudy day depending on their altitude, attitude(lol), structure and composition they will regulate energy differently
Which cell is older prokaryotic or eukaryotic
Answer: Prokaryotic
Explanation:
How did Hershey and Chase know that DNA carries the information that
viruses transfer into bacteria?
OA. They found that the radioactive sulfur disappeared in the
centrifuge.
B. Radioactive phosphorus was found in the fluid.
C. Radioactive sulfur was found in both the pellet and the fluid.
OD. Radioactive phosphorus was found in the bacterial pellet.
A) Due to the lesser weight of the protein coat, it was discovered in the supernatant, whereas the infected bacteria settled at the bottom of the centrifuge tube.
Because DNA was passed from virus to bacterium, it was demonstrated that DNA is the genetic material.
How did Hershey and Chase conclude that the genetic information was carried by DNA rather than proteins?Hershey and Chase were able to demonstrate that DNA is the sole substance directly transported from bacteriophages into bacteria when the bacteria are infected by these viruses by employing radioactive labels that would specifically integrate into either DNA or protein, but not both.
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A biologist studied the populations of white-sided jackrabbits and black-tailed
jackrabbits over a 5-year period. The biologist modeled the populations, in
thousands, with the following polynomials where x is time, in years.
White-sided jackrabbits: 6.7x2 +7.8x+4.1
Black-tailed jackrabbits: 0.3x² +0.4x+7.9
What polynomial models the total number of white-sided and black-tailed
jackrabbits?
The polynomial that models the total number of white-sided and black-tailed jackrabbits can be found by adding the two polynomials for each species:
Total jackrabbits: [tex]6.7x² +7.8x+4.1 +0.3x² +0.4x+7.9 = 7x² +8.2x+12[/tex]
Therefore, the polynomial that models the total number of white-sided and black-tailed jackrabbits is [tex]7x² +8.2x+12.[/tex]
What is a polynomial?Polynomials are mathematical expressions consisting of variables and coefficients, which are combined using only the operations of addition, subtraction, and multiplication. A polynomial of degree n (written as P(x) = anx^n + an-1x^(n-1) + ... + a1x + a0) is a mathematical expression with the highest exponent of the variable x being n.
The coefficients, an, an-1, ..., a1, a0, can be any real numbers. In mathematical modeling, polynomials can be used to model and predict real-world phenomena, such as population growth, stock market trends, and more. They are widely used in mathematics and science because of their simplicity, versatility, and ability to model complex phenomena.
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if you conducting a blood culture on a healthy male you will pull cc of blood into each bottle
Answer: Use the aerobic bottle first and insert blood culture bottles onto adapter. Collect 10 cc. of blood into each bottle.
what is the purpose of the lab? red and light red walking beans
The purpose of the laboratory experiment "red and light red walking beans" is that the red light will make the beans invisible to other organisms and animals, which increase the population and survival rate of the beans.
What is a laboratory experiment?Laboratory experiments are described as research methodologies by which researchers create controllable environments to test hypotheses.
The hypothesis about the effect of the red light on the population of light red walking beans is that If red light is shined on a population of red walking beans then they would not be as red as when started because they would need light to survive.
The red light is present but they will not reflect it until they need it to survive.
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Ectoderm develops into the ____
and _____ ; mesoderm deletions into _____ and endoderm develops into ______.
Ectoderm develops into the skin and nervous system, mesoderm develops into muscles and bones, and endoderm develops into the digestive and respiratory systems, and these three germ layers form different parts of the body.
What is the significance of the germ layers?In humans, there are three germ layers, such as the ectoderm that gives rise to the skin and the nervous system, which are responsible for the protection of the skin and the processing of information, while the mesoderm provides support to the body. Endoderm contains numerous vital organs, such as the stomach, among others.
Hence, ectoderm develops into the skin and nervous system, mesoderm develops into muscles and bones, and endoderm develops into the digestive and respiratory systems, and these three germ layers form different parts of the body.
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15
Drag the tiles to the correct boxes to complete the pairs.
Match type of renewable energy to the characteristic of the ocean that makes its
generation possible.
tidal energy
geothermal energy
wave energy
wind energy
flat water surface without obstructions
force of moving water
periodical difference in height of water
superheated water at rift zones
In areas with a significant tidal range, or the interval between high tide and low tide, engineers developed methods to take advantage of tidal energy movement to generate energy during the 20th century.
What is tidal energy?The rush of ocean waters that occurs during tidal rise and fall is known as tidal energy. A renewable energy source is tidal energy. Tidal energy is a type of hydropower that transforms tide energy into usable types of power, such electricity.
The gravitational pull of the moon and sun on the planet causes the seas to move in cycles, which in turn produces tides. Tidal force Tidal power, often known as tidal energy, is any type of renewable energy in which the ocean's tides are used to generate electricity.
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A. The tibia is ___ to the fibula
B. The fibula is ___ to the tibia
C. The femur is ___ to the tibia
A. The tibia is Medial to the fibula
B. The fibula is Lateral to the tibia
C. The femur is Proximal to the tibia
What is Medial?
This refers to the middle or center. This term is used to explain the general positions of body parts. For example, the chest is medial to the arm.
The lateral refers to the side of a body part that lies at or extends toward the right or left side . For example, the lungs are lateral to the heart. the lateral branch of the axillary artery.
Proximal refers to a part of the body that is closer to the center of the body than another part. For example, the knee is proximal to the toes.
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Transcribe the following DNA strand to create a molecule of mRNA.
TAC CAA AAA ATG ACT
characteristics of haemoglobin
Answer:
Hemoglobin is a two-way respiratory
carrier, transporting oxygen from the
lungs to the tissues and facilitating
the return transport of carbon
dioxide. In the arterial circulation,
hemoglobin has a high affinity for
oxygen and a low affinity for carbon
dioxide, organic phosphates, and
hydrogen and chloride ions.
Describe the purpose of DNA
replication. In other words, what is it and
why is it important?
3 sentences or more please
Answer:
DNA replication is a process by which a single DNA molecule is copied to create two identical molecules. This is an essential process for cell division, growth, and repair of damaged DNA. DNA replication plays an important role in the passing of genetic information from one generation to the next, and it is also important for maintaining genetic stability by repairing any mutations that occur in the DNA. Additionally, DNA replication is necessary for cells to produce proteins, as the process involves copying the genetic instructions encoded in the DNA so that the proteins can be synthesized.
Why would an increase in the temperature of the oceans contribute to a rise in the
sea level?
Explain why termites swarm at night and not the day time?
Due to the high relative humidity and their affinity to light sources, swarms of wing carpenter ant and termite frequently emerge at night.
Why are nighttime lights so appealing to termites?More precisely, throughout the spring and summer, this group consists of the "alates," or so-called swarmers, who develop wings and can be seen flying close to the house's entryways as they attempt to leave. Given that they frequently associate light with the outdoors, these fly termites are undoubtedly drawn to light.
Which time of year do termites swarm?The majority of subterranean termite species swarm in the spring and summer, usually after a rainstorm on a warmer day with calm breezes. The swarming season for wood - boring termites and one subterranean termite species (R. hageni) normally lasts from August to November.
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What is the term for the strength of rights and privileges in society? OA. Oppression O B. Discrimination O C. Socialization O D. Social power
D.
Explanation:The term for the strength of rights and privileges in society is D. Social power. Social power refers to the ability of individuals or groups to influence and control society and its institutions, which is often determined by their relative wealth, status, and influence. Social power is an important concept in understanding the distribution of resources, privileges, and opportunities in society, and how this distribution affects individuals and groups differently.
What is shown in the figure above?
SOO MANY POINTS NEED FAST
Answer: i think a fossil record
Explanation:
what process would you consider essential for obtaining life
only short ooints
ty
In Scenario 4, what if the genes responsible for creating digestive juices were turned on in your
veins? Use this example to explain the importance of regulating gene expression.
Answer: ihki
Explanation:
Where are tornadoes most common in the United States?
Answer: Texas, Alabama, and Mississippi
Explanation: Texas, Alabama, and Mississippi have the highest risk for tornadoes. However, there are many states that are part of the infamous Tornado Alley, such as Kansas, Iowa, Montana, Ohio, and more.
Have a great day! :)
Read the statements. Some genes that are added to plants for insect and rodent control may cause _[blank 1]_ in humans. _[Blank 2]_ crops must be extensively tested for such cases. Which set of options correctly completes the sentences?
blank 1: genetic disorders
Blank 2: Naturally selected
blank 1: allergies
Blank 2: Genetically modified
blank 1: genetic disorders
Blank 2: Genetically modified
blank 1: allergies
Blank 2: Naturally selected
The set of options that correctly completes the sentences is blank 1: genetic disorders, Blank 2: Naturally selected. The correct option is a.
What are naturally selected crops?Natural selection forces drive wild plant populations to adapt to changes in their surroundings. This adaptation may be tracked over time in populations at a single location, or investigated by comparing populations that are growing in several settings or along an environmental gradient.
Natural selection is a straightforward method that results in long-term population changes in living things.
Therefore, the correct option is a. blank 1: genetic disorders, Blank 2: Naturally selected.
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Is there DNA in oreos?
Answer:yes
Explanation:
Each new growing strand is called the blank or matching strand
A new strand (he leading strand) is created during DNA replication in one continuous piece. Small fragments make up the other (lagging strand).
What is the name of the DNA strand?The double helix is a spiral formed by two long strands of nucleotides. The base pairs serve as the ladder's rungs while the phosphate and glucose molecule serve as the ladder's vertical siderails in the double helix shape.
What is the trailing strand, the new strand called?The lagging strand is the one that starts to open in the 3' - 5' direction toward the replication fork. The leading strand in the origin of replication is the one that travels with in 5' to 3' direction. Discontinuous replication occurs for the strand. The strand is continuously duplicated.
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Two plants that are pure bred are crossed. One is short and one is tall, Tall is dominant. What are the expected phenotypes for the offspring?
A. All tall
B. All short
C. Half short, half tall
D. All medium height
5. Explain the effects of sickle cell disease for individuals who have just one allele for the
disease (heterzygous) AND for individuals who have both alleles (homozygous).
When it comes to the original concentration of hemoglobin in the circulation cells, individuals who are heterozygous for the sickle cell allele generate both normal and abnormal hemoglobin.
What are the effects of sickle cell disease?Sickle cells that restrict blood flow deplete organs of both oxygen and blood. Blood oxygen levels are also abnormally low in sickle cell anemia. This deficiency in oxygen-rich blood can be lethal and harm nerves and organs like the kidneys, liver, and spleen.
The most frequent cause of SCD complications and the main reason patients with SCD visit the ER or hospital is pain. Sickled cells can become caught and impede blood flow throughout the body when moving through small blood veins, which hurts.
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Question 1 A person without the allele for sickle cell anemia has children with a person who is a carrier for sickle cell anemia but doesn’t have the disease. What percentage of their children will have sickle cell anemia? What percentage of their children will be carriers for sickle cell anemia? Show your work with a Punnett square. You can copy/paste the blank table below or create a table in the submission box to complete the Punnett square.
Question 2 ⦁ Some types of muscular dystrophy are X-linked recessive disorders. A mother who is a carrier for muscular dystrophy has children with a father who doesn’t have muscular dystrophy.
⦁ What percentage of their sons will have the disease, and what percentage of their sons will be carriers? 100% will have disease 0 will carry
⦁ What percentage of their daughters will have the disease, and what percentage of their daughters will be carriers? 0 will have the disease 100% will carry
Show your work with a Punnett Square, using XD to represent the allele not associated with muscular dystrophy and Xd to represent the allele associated with muscular dystrophy. You can copy/paste the blank table below or create a table in the submission box to complete the Punnett square
1. Percentage of their children with sickle cell will be 0
Percentage of their children that will be carriers for sickle cell would be 50%
2. Percentage of their sons that will be carriers will be 0
Percentage of their daughter that will have the disease will be 0.
Monohybrid crossingQuestion 1
Assuming that the allele for sickle cell is s.
The genotype of someone without the allele = SS
The genotype of someone who is a carrier = Ss
SS x Ss
SS Ss SS Ss
Percentage of offspring with sickle cell (ss) = 0
Percentage of offspring that is a carrier = 1/2 or 50%
Question 2
Assuming that the allele for muscular dystrophy is a.
Genotype of a carrier mother = [tex]X^AX^a[/tex]
Genotype of a free father = [tex]X^AY[/tex]
[tex]X^AX^a[/tex] x [tex]X^AY[/tex]
[tex]X^AX^A[/tex], [tex]X^AY[/tex], [tex]X^AX^a[/tex], [tex]X^aY[/tex]
Percentage of their son that will be carrier = 0
Percentage of their daughters that will have the disease = 0
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1. Pretend you are taking a balloon ride through the layers of Earth's
atmosphere. Name and describe the properties of each layer as you move up
from the surface of the planet. What objects might you see in each layer?
The Earth's atmosphere is divided into several layers, each with different properties and features including the troposphere, stratosphere and soon.
What are the different atmospheres?The Troposphere: This is the lowest layer of the atmosphere and extends from the Earth's surface up to about 7-20 kilometers. It is the layer where weather occurs, and the temperature decreases with altitude. The air pressure is also highest at the surface and decreases with altitude. You might see clouds, rain, snow, and other weather patterns in this layer.
The Stratosphere: This layer extends from the top of the troposphere to about 50 kilometers. The temperature in this layer increases with altitude and is characterized by the presence of ozone, which absorbs ultraviolet radiation. The stratosphere is also home to high-altitude aircraft, weather balloons, and some satellites.
The Mesosphere: This layer extends from the top of the stratosphere to about 80-85 kilometers. The temperature in this layer decreases with altitude, and it is where meteoroids burn up as they enter the Earth's atmosphere.
The Thermosphere: This layer extends from the top of the mesosphere to about 600 kilometers. It is characterized by high temperatures and low air pressure, and it is home to the aurora borealis, which is visible as northern and southern lights.
The Exosphere: This is the outermost layer of the Earth's atmosphere and extends from the top of the thermosphere to several thousand kilometers. This layer is thin, and the air particles are so far apart that they can escape the Earth's gravitational pull and become part of space.
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