Answer:
D. Pollution of the atmosphere
Explanation:
All the other answers would seem to only affect the designated local area. However, option D would affect both the local and global economy.
In pea plants, flowers are either white or purple: the purple color is produced by pigments called anthocyanins. The production of anthocyanins is a two-step process: the first step is controlled by the C gene and the second by the P gene. Both genes must produce functional proteins for anthocyanin to be produced. This is an example of:
Answer:
This is an example of gene translation.
Explanation:
Gene translation refers to the genetic process where a set of genes is used to create amino acids that will be responsible for creating a protein needed to perform some function or characteristic of the organism. In the question above, we can see that anthocyanin, responsible for the pigment of flowers, is created through the work of proteins that are created from gebes C and P. This is an example of gene translation, as it presents the formation of proteins regulated by genes.
lab reports of onion cell
Answer:
you gotta show the onion cell if you want this to be answered
•Based on cellular respiration, why does cardiac arrest (heart stops beating) decrease brain activity? Hint: think about what happens in the absence of blood flow and oxygen levels.
Answer:
the heart stops pumping as much blood to the brain which will lower the amount of funtion.
how does hair appear on the head
Explanation:
Blood from the blood vessels in your scalp feeds the root, which creates more cells and makes the hair grow. The hair gets pushed up through the skin as it grows, passing an oil gland along the way.
Answer:
Hair grows by forming new cells at the base of the root. These cells multiply to form a rod of tissue in the skin. The rods of cells move upward through the skin as new cells form beneath them. As they move up, they're cut off from their supply of nourishment and start to form a hard protein called keratin.
A plant of genotype C/C ; d/d is crossed to c/c ; D/D and an F1 testcrossed to c/c ; d/d. If the genes are linked, and 20 map units apart, what will be the percentage of c/c ; d/d recombinants
Answer:
10%
Explanation:
The parental crossings = Cd/Cd x cD /cD
The distance the genes C and D = 20 map units
Determine the percentage of cd / cd recombinants that will be formed
the distance shows that there is only 20% recombinant progeny
The recombinants are : CD/CD and cd/cd = 20%
i.e. each recombinant progeny = 20% / 2 = 10%
hence % of cd/cd recombinant = 10%
If a less concentrated initial solution of sodium bicarbonate was used in beaker C, would that solution require more or less bicarbonate to neutralize the acid? Why?
Less bicarbonate would be required to neutralize the acid if a less concentrated initial solution of sodium bicarbonate was used in beaker C.
What is bicarbonate?Bicarbonate is a naturally occurring chemical compound composed of sodium, hydrogen and carbonate ions. It is a salt and a weak acid, and its chemical formula is NaHCO3. Bicarbonate has many uses, including baking, cleaning, medicine, and neutralizing acids. Baking soda, which is sodium bicarbonate, is used in baking as a leavening agent. It acts to create air bubbles in dough, which helps breads and cakes to rise. Bicarbonate is also used in cleaning products as a mild abrasive and a pH buffer.
This is because a less concentrated solution will have fewer moles of bicarbonate per liter of solution, thus requiring less bicarbonate to neutralize the same amount of acid.
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Which statement is true?
A.Peat is a fossil fuel because rewetting it takes only 3–5 years.
B.Peat is a fossil fuel because the total time for restoration is lengthy.
C.Peat is not a fossil fuel because it has biologic origins, making it a biofuel.
D.Peat is not a fossil fuel because humans can promote the replenishment of peat.
Peat is not a fossil fuel because humans can promote the replenishment of peat is a correct statement.
What do you mean by Fossil fuels?Fossil fuels may be defined as fuels that are derived from decomposed plants and animals. It includes coal, petroleum, oil, and natural gases.
Peat is considered forgotten fossil fuel because through the activity of humans it may be replenished into other forms for different use. It may maximum takes 3-5 years for rewetting.
Therefore, the true statement is Peat is not a fossil fuel because humans can promote the replenishment of peat.
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The continuity of life is based on heritable information in the form of DNA. Complete the explanation how mutations in protein-coding genes and regulatory DNA contribute to evolution. Match the terms in the left column to the appropriate blanks in the sentences on the right.
a. gene
b. silenced
c. reproduce
d. protein production
e. inherited
f. grows
g. body form
h. function
i. regulatory sequence
1. Mutations in protein-coding genes and regulatory DNA contribute to evolution if the organism carying them Survives and_____. Mutations in a____.
2. Mutations within a____may lead to major changes in______for example, ita Hox gene is attected. Moreover, if a transposable element inserts here, it may lead to a decreased or increased_____. This may impact the organism and if passed on to the offspring, become____. The result of these events may eventually lead to increased fitness and formation of new species.
Answer:
1. Mutations in protein-coding genes and regulatory DNA contribute to evolution if the organism carrying them survives and_c. reproduce. Mutations in a_a. gene lead to different effects. For example, a mutation may change the _h. function of the protein or the protein will no longer be produced.
2. Mutations within a_i. regulatory sequence may lead to major changes in_g. body form, for example, if a Hox gene is affected. Moreover, if a transposable element inserts here, it may lead to a decreased or increased_d. protein production. This may impact the organism and if passed on to the offspring, become_e. inherited. The result of these events may eventually lead to increased fitness and the formation of new species.
Explanation:
Mutations can be defined as genetic changes (nucleotide changes) in the genome sequence of an organism. Mutations can be beneficial, neutral or deleterious (depending on their effects on the adaptive fitness of the individual). Mutations that occur in the somatic (body cells) will not be inherited, whereas mutations in the germinal (gamete) cells can be passed on to the next generations. Moreover, Hox genes are major developmental regulators involved in a wide variety of aspects of animal development. In consequence, changes in the expression level of Hox genes caused, for example, through 1-mutations of their regulatory sequences, such as promoter sequences, or 2-the insertion of transposable elements, may lead to conspicuous phenotypic changes by affecting protein production. Eventually, these mutations may confer an adaptive advantage.
Place the steps for providing first aid for bleeding in the correct order.
Raise the wounded area above
Place a sterile bandage.
Clean the wound
Apply pressure
the heart
The steps of first aid during bleeding is as follows:
Raise the wounded area above the heartapply pressureclean the wound apply pressure.What is first aid?First aid is the immediate help or assistance given to Ana accident victim before the arrival of a medical doctor ofbthe person is taken to the hospital.
The steps of first aid during bleeding is as follows:
Raise the wounded area above the heartapply pressureclean the wound apply pressure.In conclusion, the proper steps taken for first aid will prevent bleeding.
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Answer:
clean the wound
Place a sterile bandage
Apply pressure
Raise the wounded area above the heart
Explanation:
this is the correct answer on Edge
Because the bell jar in the model lung cannot move, any changes in volume are a result solely of the movement of the rubber diaphragm. Match the position of the rubber diaphragm to changes in volume and pressure inside the bell jar and balloon size.
a. Galloons inflate
b. Balloons deflate
c. Volume inside bell jar increases
d. Volume inside bell jar decreases
e. Pressure inside bell jar decreases
f. Pressure inside bell jar increases
1. Rubber diaphragm up
2. Rubber diaphragm down
Answer:
1. Rubber diaphragm up-
b. Balloons deflate
d. Volume inside bell jar decreases
f. Pressure inside bell jar increases
2. Rubber diaphragm down-
a. Galloons inflate
c. Volume inside bell jar increases
e. Pressure inside bell jar decreases
Explanation:
The rubber diaphragm is the model to demonstart the various parts of the respiratory system and how they move during breathing process. In case of it moves down, the rubber diaphragm is stretched, the volume inside the bell jar increases which causes presursue decrease.
Balloon inhale or sucks in the air from outside and gets inflate. this increases the volume in the jar. The pressure is increased
Hi I'm pretty sure this is D just want to make sure :)
A population of snails is experiencing disruptive selection in terms of their shell patterns.
Which statement about the population is most likely true?
Two different shell patterns are combining into one very common pattern.
Snails with two different shell patterns are surviving in greater numbers than snails with the most common shell pattern.
Snails with a new shell pattern are surviving in greater numbers than snails with all other shell patterns.
Snails with the most common shell pattern are surviving in greater numbers than snails with all other shell patterns.
Answer:
Snails with the most common shell pattern are surviving in greater numbers than snails with all other shell patterns.
Explanation:
This is because of the natural selection process. The better adaption of the most common shell pattern makes it easier for the snails to survive the natural habitat.
Regarding the "East Side Story" hypothesis, what would paleoanthropologists need to show that it was false?
Answer:
Evidence of fossil apes and hominids in both East and West of the great rift valley
Explanation:
The East Side Story hypothesis opined that a tectonic plate movement created a seismic split in the earth, thus deepened the rift valley and created a geographical barrier between the east and the west of the great rift valley. The barrier created a kind of geographical isolation between the ancestors of hominids, dividing them into two with each population taking different evolutionary paths.
Thereafter, the ancestors in the western side of the rift valley evolved into the chimpanzee's family while those in the eastern side ultimately evolved into humans.
Thus, providing the fossils of apes and that of hominids in both East and West sides of the great rift valley will render the hypothesis invalid.
Which definition best describes an acid?
I know It is c hope is helps!
Explanation:
An acid is any substance that in water solution tastes sour, changes blue litmus paper to red, reacts with some metals to liberate hydrogen, reacts with bases to form salts, and promotes chemical reactions (acid catalysis)
Elephants are considered K-strategists because they give birth to only one calf at a time and most have five years in between having another calf. Calves stay under the protection of the mother and her herd until maturity at 10-15 years of age. What type of survivorship curve do elephants tend to follow
Answer:
Type I curve
Explanation:
The K-strategist are species characterized by relatively stable populations that fluctuate at the carrying capacity of the habitat or niche in which organisms reside. Elephants are considered as K-strategists because they have a low population growth rate and relatively stable populations. There are three different types of survivorship curves. The Type I curve (also referred to as A curve) is characteristic of k-strategist organisms. Humans and elephants exhibit a Type I survivorship curve in which organisms tend to die when they become elderly. These species have a small number of offspring and provide parental care to ensure their survival. In a Type II survivorship curve, species produce many offspring and only some offspring survive (e.g., birds), while in Type III survivorship curve organisms produce many more offspring and most do not survive (i.e., r-strategists such as frogs or insects).
the prime mover of inspiration is the blank during normal quiet breathing expiration is a passive process as this muscle relaxes into its original dome shape. provide conditions when expiration becomes an active process or forced. explain
Answer:
The prime agonist of inspiration is the diaphragm muscle.
The conditions when expiration becomes an active process is : Emphysema, Pneumonia, Bronchitis.
-Expiration is the passive process as there is elastic recoil of lungs following inspiration without contraction of any muscles.
-The elastic fibers in alveoli are damages or filled with mucus and fluid in the disease such as conditions such as emphysema or pneumonia.
-Elastic recoil of lungs.
-Hence, muscle contraction is required to forcefully exhale the air from lungs. Internal intercostal muscles contract to pull the ribs downward and remove air from the lungs.
Identify the phases of meiosis I described below
A particular cross gives a modified dihybrid ratio of 9:7. What phenotypic ratio would you expect in a testcross of the fully heterozygous F1 crossed with the fully recessive type
Answer:
3:1
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
Question 2 of 26
What happens at a subduction zone between an oceanic plate and a
continental plate?
O A. The continental plate slides under the oceanic plate, and
part of it melts to form magma that sinks into the mantle.
O B. The oceanic plate and continental plate pull away from
each other, allowing magma to rise and form an ocean
ridge.
O c. The oceanic plate and continental plate slide past each
other, creating a series of faults that allow magma to rise
and form a chain of volcanoes.
O D. The oceanic plate slides under the continental plate, and
part of it melts to form magma that rises up through the
continental plate.
SUBMIT
6. What does the concept of learning set suggest?
O A. Ideas are needed to solve difficult problems.
O B. Emotion needs to be excluded from experiments involving cognition.
C. Imagination is the key to problem solving.
D. Animals learn how to learn.
Answer:
B. Emotion needs to be excluded from experiments involving cognition.Explanation:
#CarryOnLearning[tex]{hope it helps}}[/tex]
why are electrons in an atom involved in bonding
Answer:
The valence electrons have a role in the bonding of two atoms. The nuclei of each atom are drawn together by their attraction to the valence electrons of the other atom. As the atoms are drawn together by their attractions, electrons from each atom are drawn to the nuclei of both atoms, where they are "shared."
OAmalOHopeO
my voice for safety advocacy in text ride or driver
Answer:
I cannot help you with that because there is no question
define cell and atom
Answer:
Cell is made of molecules whereas atoms make up molecules. Cells are the smallest functioning unit in a living organism.
Atom is the smallest unit of matter. Usually, a cell is on the micrometer scale while an atom is in the angstrom scale .
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ii) Explain briefly how these features contribute to the efficiency of photosynthesis?
Answer:
here's your answer
Explanation:
the estimated maximum energy efficiency of photosynthesis is the energy stored per mole of oxygen evolved, 117/450, or 26 percent.
Consequently, plants can at best absorb only about 34 percent of the incident sunlight. The actual percentage of solar energy stored by plants is much less than the maximum energy efficiency of photosynthesis. An agricultural crop in which the biomass (total dry weight) stores as much as 1 percent of total solar energy received on an annual areawide basis is exceptional, although a few cases of higher yields (perhaps as much as 3.5 percent in sugarcane) have been reported. There are several reasons for this difference between the predicted maximum efficiency of photosynthesis and the actual energy stored in biomass. First, more than half of the incident sunlight is composed of wavelengths too long to be absorbed, and some of the remainder is reflected or lost to the leaves
what is water transparency
Answer:
Transparency of water relates to the depth that light will penetrate water. The change that occurs is from predominantly yellow light at the surface to blue-green at depth in clear water or yellow-green in waters having a high concentration of dissolved organic material.
Answer:
Transparency of water relates to the depth that light will penetrate water. ... The change that occurs is from predominantly yellow light at the surface to blue-green at depth in clear water or yellow-green in waters having a high concentration of dissolved organic material.
What type of lipid is shown?
saturated
unsaturated
phospholipid
triglyceride
Answer:
unsaturated is the correct answer
Cystic fibrosis is most common in individuals of Northern European descent, affecting 1 in 3200 newborns. Assuming that these alleles are at Hardy-Weinberg equilibrium, what is the frequency of the disease-causing CFTR alleles in this population
Answer:
0.0177
Explanation:
Cystic fibrosis is an autosomal recessive disease, thereby an individual must have both copies of the CFTR mutant alleles to have this disease. The Hardy-Weinberg equilibrium states that p² + 2pq + q² = 1, where p² represents the frequency of the homo-zygous dominant genotype (normal phenotype), q² represents the frequency of the homo-zygous recessive genotype (cystic fibrosis phenotype), and 2pq represents the frequency of the heterozygous genotype (individuals that carry one copy of the CFTR mutant allele). Moreover, under Hardy-Weinberg equilibrium, the sum of the dominant 'p' allele frequency and the recessive 'q' allele frequency is equal to 1. In this case, we can observe that the frequency of the homo-zygous recessive condition for cystic fibrosis (q²) is 1/3200. In consequence, the frequency of the recessive allele for cystic fibrosis can be calculated as follows:
1/3200 = q² (have two CFTR mutant alleles) >>
q = √ (1/3200) = 1/56.57 >>
- Frequency of the CFTR allele q = 1/56.57 = 0.0177
- Frequency of the dominant 'normal' allele p = 1 - q = 1 - 0.0177 = 0.9823
Genes:
A. in plants exist only in some individuals
B. they determine the structural and functional characteristics of each individual
C. they determine only the functional characteristics of each individual
D. they determine only the characteristics structural of each individual
E. do not exist in prokaryotes
Answer:
B. They determine the structural and functional characteristics of each individual
Explanation:
Genes are present in all plants and in all prokaryotes, so answer choices A and E are incorrect. Genes are present in all living things.
Genes do determine the structural characteristics of each individual, but they also determine the functional characteristics.
Structure, which is controlled by genes, directly affects function. For example, a gene could code for a specific protein's structure, which will in turn give it a specific function.
So, the correct answer is B.
What dose that mean please help
Explanation:
A = pi * r²
This is used to measure the area of a circle.
The value of pi is 22/7 or 3.14 and r is the radius of the circle.
Hope it helps :)
If 622 water molecules were removed during the synthesis of a specific polysaccharide, how many monomers were joined together to make this molecule? need help please and thank you
Answer:
623 monomers
Explanation:
In a dehydration synthesis reaction, one water molecule is removed for every bond that is created between 2 monomers.
Linking 3 monomers together would remove 2 water molecules.
Following this pattern, the number of water molecules removed will always be one less than the number of monomers that were joined together.
So, if 622 water molecules were removed, then 623 monomers were joined together.
The answer is 623 monomers.
assertion: empty milk pouches are biodegradable Reason: they cannot be used in biogas formation
Answer:
The pollutants like heavy metals, organic solvents present in pesticides exist in small amounts in the atmosphere. During the process of the food chain, the concentration of these pollutants progressively keeps on increasing through different trophic levels. For example, fish eats a lot of planktonic growth may retain the pollutants in their tissues, birds or people that eat the fish might concentrate the pollutants still more. This process of accumulation of pollutants at different trophic levels is called as biomagnification. So, the correct answer is 'Assertion is correct but Reason is incorrect'.
