Dominant refers to the relationship between two versions of a gene. Individuals receive two versions of each gene, known as alleles, from each parent. If the alleles of a gene are different, one allele will be expressed; it is the dominant gene. The effect of the other allele, called recessive, is masked.
Which protist group produces much of the oxygen on earth?.
Explain why and how humans depend on photosynthesis for survival.
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Answer:
because when plants do photosynthesis it take our co2 and gives us oxygen which we need to survive
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as a student , what can you do to protect the soil and water from being polluted ?
Phase of the moon where only a very small part of the lit surface is seen from Earth.
O Gibbous
O Quarter
O Crescent
O Full
Answer:
quarter, if i am correct. i am pretty sure that the crescent is just a little bigger.
The phase of the moon where only a very small part of the lit surface is seen from the earth is quarter. Thus, option B is correct.
What is the phase of the moon ?Lunar phase is the phase of moon which is viewed from the earth, the lunar phase is also known as moon phase is a shape of moon's directly sunlit portion and it can be expressed quantitatively.The current moon phase for today is the new moon phase.
The moon is known as earth's only natural satellite and combinedly with earth it forms the earth-moon satellite system.
The size of moon is one quarter of earth in diameter. It is fifth largest satellite in the solar system.
The distance of moon from earth is 384,400 km. The radius of moon is 1,737,4 km. The gravity of moon is 1.62 m/sec^2.
The total surface area of moon is 3.793×10^7 km square and it's surface pressure is 10^-7 Pascal.There are total 8 phase of moon and these are new moon, first quarter, waxing gibbous, third quarter and waning crescent.
Therefore the phase of the moon where only a very small part of the lit surface is seen from the earth is quarter. Thus, option B is correct.
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Based on your observations, which part of the radish plant controls the
plant’s phototropism? Support your answer.
Answer:
you are asked to write your laboratory report right?
Explanation:
we need to see the laboratory experiment to answer this question. But according to my search, the answer may be the following:
Stems in these plants exhibit positive phototropism and grow in the direction of a light source. Photoreceptors in plant cells detect light, and plant hormones, such as auxins, are directed to the side of the stem that is furthermost from the light.
what pair of species is the most closely related
Answer:
whales (order Cetacea) and hippopotamuses (order Artiodactyla)?
Explanation:
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Does a kangaroo in hibernate, estivate, or migrate in cold weather?
Answer:
They hibernate in winter and usually breed in spring.
Explanation:
What are the steps of photosynthesis? How do they take place?
Hopefully my answer helps you out today.
Explanation: "The process of Photosynthesis is simple."
The process of photosynthesis can be divided into four steps.
The process: The first step in photosynthesis is the absorption of light by the sun that is attached to the proteins in the thylakoids of chloroplasts.
Electron Transfer. ...
Generation of ATP. ... ATP is Energy-carrying molecule found in the cells of all living things.
Carbon Fixation.
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There is a total of the 4 major steps in photosynthesis. Photosynthesis is the method plants use sunlight, water, and carbon dioxide to create oxygen.
What is the process of photosynthesis?During photosynthesis, flora absorbs carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, which means it loses electrons, at the same time as the carbon dioxide is reduced, which means it profits electrons.
It is handy to divide the photosynthetic method in flora into 4 stages, every happening in a described location of the chloroplast:
(1) absorption of light, (2) electron delivery main to the discount of NADP+ to NADPH, (3) technology of ATP, and (4) conversion of CO2 into carbohydrates (carbon fixation).To learn more about photosynthesis refer link:
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It’s acceptable if your conclusion does not support your hypothesis. true false
Answer:
True! Your hypothesis is a fancy way of saying it's a guess. Your conclusion could be the same or completely different.
Explanation:
Does this help you???
If your conclusion does not support your hypothesis. this is false as hypothesis means explanation.
If the statistics constantly do now no longer aid the speculation, then CLEARLY, the speculation is NOT an affordable clarification of what you're investigating. The speculation is rejected, and we look for a brand new interpretation, new speculation that helps the experimental statistics.
What happens when speculation fails?
When speculation fails, the primary issue you ought to do is look at the statistics closely. Then use your studies and statistics to decide a likely cause why the speculation changed into incorrect. Once you give you a cause your speculation can also additionally have failed, you could begin deliberating approaches to test your assumption.
Thus it is clear that if your conclusion does not support your hypothesis this is false.
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From a cross AABb x aaBb, the genotypes AaBB : AaBb : Aabb will be obtained in the ratio
(a) 1:1:2
(b) 1:2:1
(c) 2:1:1
(d) 2:1:2
Answer:
(b) 1:2:1
Explanation:
Using a dihybrid cross, when we cross AABb X aaBb, we get the genotypes AaBB, AaBb, and Aabb in the ratio 1:2:1. The aabb genotype will not be produced.
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Answer:
Option B
Explanation:
1:2:1
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The formula of exponential population growth curve, is
(a) dN/dt = rN
(b) dt/dN rN
(c) dN/rN = dt
(d) rN/dN = dt
Answer:
The Formula for exponential population growth curve is dN/dt = rN. (option A)
Explanation:
Exponential growth is a function that grows or shrinks at a constant percent growth ratedN/dt= rN
Where,
dN = Change in no. of individuals in population.dt = Change in timeN = No. of individualsr = Per capita rate of increase.Q7 What can we hear but cannot touch?
Answer:
sound: because sound we can hear it, when someone says something to you, you can hear it but you cannot you cannot touch it
Lipids are non polar what does this mean?
Answer:
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The charge distribution is evenly distributed, and the molecules do not have positive and negatively charged ends.
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Answer:
lipids are nonpolar moecules which means their ends are not charged. Because they are nonpolar and water is polar lipids are not soluble in water. That means the lipid molecules and water molecules do not bond or share electrons in any way. Hope this helps
Who was the first to really study genetics and nicknamed the father of genetics?.
Answer:
Gregor Mendel
Explanation:
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Please someone help me with this.
Match the muscles and their associations.
involuntary
voluntary
electrical nodes
tendons
digestive tract
arteries
extensors
Answer choice: Skeleta, smooth, cardiac
The associations are involuntary, digestive tract and arteries >> smooth; whereas voluntary, tendons, extensors >> skeletal and electrical nodes >> cardiac.
What are muscles?Muscles are a special type of tissue that has the ability to contract in response to a given stimulus.
There are different three types of muscle fibers: cardiac muscle, skeletal muscle and smooth muscle.
Cardiac muscle and smooth muscle are involuntary muscles, whereas skeletal muscle is a voluntary muscle.
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Answer:
Involuntary: Smooth
Voluntary: Skeletal
Electrical Nodes: Cardiac
Tendons: Skeletal
Digestive Tract: Smooth
Arteries: Smooth
Extensors: Skeletal
Explanation:
Types of muscles. The three kinds of muscle in the body are the skeletal muscle, the smooth muscle, and the cardiac muscle. The skeletal muscles are attached to the bones and allow one to move at will. Because the skeletal muscles are mostly under your conscious control, they are sometimes called "voluntary" muscles. Smooth muscle lines the inside of such hollow organs as the digestive system, bladder, and arteries. Smooth muscles work automatically and are beyond your conscious control. They are referred to as "involuntary" muscles. Cardiac muscle is unique to the heart.
Although skeletal muscles seem to be under your control, a lot happens of which you are not aware. First of all, your posture, even when asleep, is controlled by skeletal muscles without your paying much attention to it. Your mouth, for instance, would flap open if your brain did not maintain a certain tension in your chewing muscles all the time. Your chin would spend a lot of time resting on your chest if your neck muscles didn't hold your head up. And your movements of all kinds would be pitifully awkward if your cerebellum did not coordinate all the muscles necessary to perform even the simplest actions. Just scratching your nose, for instance, requires dozens of muscles to move in exactly the right way at exactly the right time. You are truly "fearfully and wonderfully made."
We will now take a closer look at the other two types of muscles. Skeletal muscles can be attached to other muscles or to bones either directly or by a thin band of connective tissue called a tendon. Do not confuse this tendon with a ligament, which connects bone to bone and not muscle to bone. Two good examples of tendons can be found in the back of your legs. One is the Achilles tendon which attaches the calf muscle in the lower back part of your leg to your heel. The other tendons are on the back side of your knee, called the hamstrings. They serve to attach muscles in the upper back part of the leg to the bones of the lower leg and flex your knee. Locate these structures on your own leg.
The point at which a muscle is attached to the less movable part of the body is called the origin. The point at which a muscle is attached to the more movable part of the body is called the insertion. The biceps muscle of your upper arm is a good example of both these points. The biceps has its origin in your shoulder and its insertion in the bones of the forearm.
Skeletal muscles differ relative to their effect on the body. Those muscles that bend a joint are called flexors, and those muscles that straighten a joint are called extensors. Muscles always work in pairs, one opposing the action of the other. For instance, the upper arm has biceps on the front, which serves as the flexor. The muscle that opposes this motion and serves as the extensor of the forearm is the triceps, which is located on the back of the upper arm. When one muscle contracts, the other must relax. Study the diagram and then see if you can feel the alternating contraction of the biceps and triceps in your own upper arm as you bend and straighten it.
You should be careful to get enough exercise to keep your muscles in good shape. Muscles will grow larger and have better tone, which means they will always be slightly contracted, if they are used. If a person is lazy or is confined to a bed or wheelchair for a prolonged period of time, the muscles not being used will become smaller and lose their tone. This condition is called atrophy. A muscle atrophies at a rate of about 1% a day, so that it will lose a full third of its strength after a month of disuse. Disuse also causes bones to soften by losing their calcium. "Use it or lose it" is a solid maxim of physiology.
A sequence of dna that codes for a specific, detectable product, such as a protein or rna is called a
Gene is a sequence of DNA that codes for a specific, detectable product, such as a protein.
What is a Gene?
This is defined as the basic physical and functional unit of heredity and occupy a fixed position on a chromosome.
It is also the sequence of DNA that codes for a specific, detectable product, such as a protein or RNA.
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A sequence of DNA that codes for a specific, detectable product, such as a protein or RNA is called a Gene.
What do you mean by RNA?RNA may be defined as a single-stranded molecule that has a shorter chain of nucleotides that carries genetic information that is translated by ribosomes into various proteins necessary for cellular processes.
Gene is the sequence or stretch of the DNA which carries genetic information. It is the nucleotide sequence that can synthesize functional proteins or enzymes.
Therefore, a sequence of DNA that codes for a specific, detectable product, such as a protein or RNA is called a Gene.
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Which of the following is a concern in using genetic engineering in agriculture?
Group of answer choices
A. Pests are more likely to destroy genetically modified crops
B. The gene added to the crop may trigger allergies or other health concerns.
C. Genetically engineering crops is inexpensive, which harms small farmers.
D. All genetically engineered crops must be grown in a certain type of soil.
Answer:
B
Explanation:
Genetic engineering can affect health and the environment. Plus, it can trigger allergies.
100 POINTS
Complete the sentence: Combustion heating and cooling appliances are sources of
and often found in basements.
O asbestos
O radon gas
O tobacco smoke
O carbon monoxide
Answer:
Carbon monixide
Explanation:
Right answer
Answer:
carbon monoxide is the awnser
Explanation:
When I took this quiz that was the right awnser.
sun-->sagebrush-->jackrabbits-->coyotes
What would happen to this ecosystem if the amount of rain increased? plsss tell me
The amount of sagebrush would increase, which would lead to an increased population of jackrabbits, as sagebrush their food source. As the amount of jackrabbits increase, it gets easier for coyotes to hunt for them which in return, increases their survival rate/population.
17. Which physical law states that all orbits are conic sections?
A. Kepler's first law
OB. Kepler's third law
O C. Newton's laws
D. Kepler's second and third laws
Answer:
Keplar's First Law
Explanation:
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Question 8 of 10
A forest fire burns down all of the trees in a large forest. The animals that
lived in the trees are forced to move to other areas. What kind of disturbance
is this?
A. Seasonal
B. Catastrophic
C. Cyclical
O D. Small-scale
Which interest group opposed the U.S. Clean Water Act?
A) citizens of small towns that lacked water treatment facilities
B) mayors of large cities such as New York and Chicago
C) duck hunters
D) owners of printing companies in Tennessee
None of the interest groups mentioned opposed the U.S. Clean Water Act. In fact, the Clean Water Act was passed with broad support from a variety of stakeholders, including environmental groups, industry, and government agencies.
What is the Clean Water Act?The Clean Water Act (CWA) is a federal law enacted in 1972 with the aim of regulating and protecting the nation's waters from pollution and contamination. The CWA established a framework for controlling and limiting the discharge of pollutants into navigable waters, including rivers, lakes, and coastal areas, and set water quality standards to ensure that waters are safe for human use and aquatic life.
The Act provides a regulatory framework for permitting discharges of pollutants, sets water quality standards for contaminants, and establishes a program for regulating the discharge of pollutants from stormwater runoff. The CWA has been amended several times to strengthen its provisions, and it remains a critical tool for protecting water resources and public health in the United States.
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Explain the relationship between global warming and flood.
Answer: As warmer tempertures cause more water to evaporate from the land and oceans, changes in the size and frequency of heavy precipitation events may in turn affect the size and frequency of river flooding.
give 5 causes of diseases or infectious diseases
Who developed a system for naming and classifying organisms that is still used today?.
Answer: Carolus Linnaeus
Explanation:
Carlos Linnaeus created the binomial nomenclature system which gives scientific names to animals. Their genus and species is what classifies organisms.
Linnaeus also created the taxonomic system, which classifies organisms within different groups and subsets.
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Which of the characteristics is common to both arthropods and annelids and suggests that the two groups shared common ancestry?.
Answer:
Body segmentation
Explanation:
Both arthropods and annelids have body segments, which serves as evidence for them being close evolutionary relatives.
Enzymes are involved in the reactions,
Select one:
O a. Photosynthesis
O b. Neither Photosynthesis nor Cellular Respiration
O c. Cellular Respiration
O d. Both Photosynthesis and Cellular Respiration
Answer:
D.
Explanation:
•Specific enzymes catalyze each cellular reaction in cellular respiration. The main role of enzymes during the respiration reaction is to assist in transferring electrons from one molecule to another.
•The reactions of photosynthesis, and many other biological processes, are controlled by enzymes.
ENZYMES ARE REQUIRED FOR MOST OF THE CHEMICAL REACTIONS THAT OCCUR IN ORGANISMS
If there is a change in a squid's messenger RNA, will this change appear in its genetic material? Will it be inherited by its offspring?
If there is a change in a squid's messenger RNA, this change does not appear in its genetic material. This change neither will be inherited by its offspring.
What is messenger RNA?During gene transcription, a fragment of DNA called gene is used as template to generate a messenger RNA (mRNA).
Subsequently, this mRNA is used as a template to create a protein by a process known as translation.
The mRNA is a molecule that carries the genetic material from DNA to protein but this process does not modify the genetic material.
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These are composed of intersecting horizontal and vertical lines that form a cartesian plane.
, The number plane, or Cartesian plane, is divided into four quadrants by two perpendicular lines called the x-axis, a horizontal line, and the y-axis, a vertical line. These axes intersect at a point called the origin. Once a unit distance has been chosen, the position of any point in the plane can be uniquely represented by an ordered pair of numbers (x,y). For the point (5,3), for example, 5 is the x-coordinate and 3 is the y-coordinate, sometimes called the first and second coordinates. When developing trigonometry, the four quadrants are usually called the first, second, third and fourth quadrants as shown in the following diagram.
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Differentiate between biotic and abiotic components.
Non-living physical and chemical elements in the ecosystem are referred to as abiotic factors. Typically, abiotic resources are obtained from the lithosphere, hydrosphere, and atmosphere [e.g. water, aer, soil, sunlight, and minerals].
Biotic factors are organisms that are alive or were onse alive in an ecosystem. These are obtained from the biosphere and have the ability to reproduce [animals, birds, plants, fungi, and other identical organisms].
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