Answer:
Narcotics
Explanation:
Narcotics, or otherwise commonly known as opioids are massively known for pain relief. There's opioid epidemic here in US b/c people are abusing the drug at extremely alarming rates. You might have heard of codeine, morphine and fentanyl, these are some of the most potent and dangerous drugs if used without proper prescription.
12. Which type of erosion forms limestone caves?
A. wind erosion
B. stream erosjon
C. groundwater erosion
Answer:
c. groundwater erosion
Answer:
Hello There!!
Explanation:
I believe the answer is C. groundwater erosion.
hope this helps,have a great day!!
~Pinky~
All living organisms _______
A. Photosynthesize
B. Respire
C. Move
D. Feed
E. Transpire
Answer:
B. Respire
hope it helps ... 【◆◆】
Number of matings of roan-coated cows and roan coated bulls resulted in the following
When red cattle breed with red cattle, the resultant offspring show both red and white fur, resulting in a mixed coat pattern called "roan."
What is a roan bull?The roan pattern, normally in Shorthorn cattle, is inherited as a heterozygous genotype. Roaming is usually the intermixing of two dissimilar colored hairs - black and white make a blue roan while red and white make a red roan.
The roan coat color in livestock species is distinguished by a mixture of white and tint hair in cattle, If it is a breed that has the roan color pattern, like a Shorthorn, then yes it can be pure-blooded. Or it can be a cross-breed with the roan color pattern. Roan is a color, not a breed.
So we can conclude that Roan" mentions a horse coat color pattern characterized by a mixture of colors.
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A radioactive element has a half-life of 2,000 years. If a sample of this element begins with a mass of 100 grams, how long would you have to wait for the mass to decrease to 25 grams?
Therefore, a half-life of 2000 years saying that 100 grams will decompose to 50 grams in 2000 years. That 50 g will decompose to the requested 25 grams in another 2000 years. 2,000 + 2,000 = 4,000 years are required.
Describe element.Elements are substances that cannot further breakdown as a result of any chemical reaction. There are a certain number of protons in each element's atom.
Which elements are important?Since they make the organic compounds that are present in all living things, chemical elements are crucial to living things. Carbon is the primary element in all organic compounds, including lipids, nucleic acids, proteins, and carbohydrates.
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A small proportion of humans have resistance to strains of HIV, the virus that causes AIDS. Their immunity is caused by a deletion in gene CCR5, a co-receptor on white blood cells needed for HIV infection. The proportion of people with resistance (genotype aa) to HIV is approximately 8%. If these alleles are in Hardy Weinberg equilibrium, what proportion of people are carriers for the HIV resistant allele?
Answer:
The correct answer is "40.6%". A further explanation is provided below.
Explanation:
The given values are:
The proportion of people with resistance is,
aa = 8%
or,
= 0.08 (q²)
q² = 0.08
q = √0.08
= 0.28284
Now,
⇒ [tex]p+q=1[/tex]
⇒ [tex]p=1-q[/tex]
[tex]=1-0.28284[/tex]
[tex]=0.717157[/tex]
hence,
For the HIV resistant allele, the proportion of people will be:
= [tex]Aa[/tex]
= [tex]2pq[/tex]
On substituting the values, we get
= [tex]2\times 0.71715\times 0.28284[/tex]
= [tex]0.4056[/tex]
= [tex]40.6[/tex] (%)
The proportion of the population with the carrier of HIV-resistant allele is 40.56%.
What is Hardy Weinberg equilibrium?
Hardy Weinberg equilibrium is the relationship between the variation from one generation to the next. The equation for the relationship can be given as:
[tex]p^2+2pq+q^2=1[/tex]
Where the proportion of dominant alleles is p².
The proportion of recessive alleles is q².
The proportion with the caries are 2pq.
The given recessive allele proportion in the population is 0.08. The proportion of dominant alleles can be given as:
[tex]q^2=0.08\\q=0.2828[/tex]
The dominant alleles can be given as:
[tex]p+q=1\\p+0.28284=1\\p=0.717157[/tex]
The carriers in the population can be given as:
[tex]\text{Carriers}=2pq\\\text{Carriers}=2\;\times\;0.717157\;\times\;0.2828\\\text{Carriers}=0.4056\\\text{Carriers}=40.56\%[/tex]
Thus, the carriers for the HIV gene in the population are 40.56%.
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What would the genotype be for an orange kitty
Answer:
DNA
Explanation:
Which option is a renewable source of energy?
a.Petroleum
B. Wind
C. Nuclear power
D. Coal
Answer:
B. Wind
Explanation:
Because nature constantly replenishes the wind, we can continue to harness its power without worrying about running out of it.
Which structure can be found in a eukaryotic cell but NOT in a prokaryotic cell?
A.
mitochondrion
B.
cytoplasm
C.
chromosome
D.
plasma membrane
Answer:
Plasma membrane
Explanation:
Does every gene combination show up in the offspring?
Answer:
Answer!
Explanation:
Okay so, genes come in different varieties; which are called allele. somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism. BUT, an allele that is hidden, or not expressed by an organism, can still be passed on to that organism's offspring and expressed in a later generation.
During meiosis I, chromosomal pairs randomly align along the metaphase plate. Each chromosome pair member carries one allele for each gene. Every gene combination shows up in the offspring.
Chance determines which of the 23 homologous pairs of both parents' chromosomes are inherited. The possible combinations of 23 chromosomal pairs total 8,324,608. As a result, the chromosomal combinations of two gametes are almost never identical.
Actually, each parent has two distinct gene pools. Additionally, only half of each parent's DNA is passed on to their offspring. and that the randomness of the portion that is passed down. All of these factors work together to guarantee that every child has a distinct collection of genes.
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su cuerpo esta constituido por células a) aubacterias b) eucariotas c) ptocariotas d) Arqueobacteria
Answer:
your body is made up of cells a) aubacteria b) eukaryotes c) ptokaryotes d) Archeobacteria
Explanation:
because the biggest cell in your body is the brain so it needs all the brain cells in your mind to make the brain makes sense
Which current has a warming effect on the climate of the southeast coast of Africa?
Answer:
Agulhas Current
Explanation:
The Agulhas Current transports warm water from the Indian Ocean southwards along the South African coast.
Answer:
Agulhas Current
Explanation:
Other persons explanation
What percentage of the population can determine their blood type from
saliva, tears,sweat, or milk? (Numerical answers only) thanks
About 80% of the population can determine their blood type from saliva, tears, sweat or milk. These are known as secretors, and they refer to the fact that antigens present in the blood can also be found in bodily fluids like saliva.
What are antigens?Your immune system uses antigens as markers to determine whether or not something in your body is hazardous. Viruses, bacteria, cancers, and healthy bodily cells all include antigens. Antigen testing is carried out to identify viral infections, keep an eye on specific illnesses, screen for them, and ascertain a donor's compatibility with a transplant.
What are secretors?The term "secretor status" describes whether water-soluble ABO blood group antigens are present or absent in a person's body fluids, including saliva, tears, breast milk, urine, and semen. People are classified as secretors or non-secretors depending on whether they secrete certain antigens in their body fluids.
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Which process is responsible for causing this column of rock to form?
A. crystallization
B. deposition
C. sedimentation
D. weathering
Answer:
i believe it would be a because of stalagtites and stalagmites but i'm not 00% sure
Explanation:
If a scientist wanted to follow Mendel’s experiment with a different kind of plant, which type of plant would she examine?
Answer: Pure line plant
Explanation:
Pure line plants are those plants that are used for breeding and selecting organisms with a desire trait to a number of generations until the wanted trait is established. Mendel had chosen pea plant for his experiments and that was a pure line species. It was bred to many generations so as to obtain the desired trait in successive generation. The plants were utilized to study the laws of inheritance. Also it was noticed that one trait being recessive in one generation will be expressive in other generation.
define agriculture plz
Answer:
practice of farming, including cultivation of the soil for the growing of crops and the rearing of animals to provide food, wool, and other products.
Explanation:
Answer:
Hello There!!
Explanation:
Agriculture is the art, the science and the practice of cultivating the soil, growing crops and raising livestocks.
hope this helps,have a great day!!
~Pinky~
Question attached with image
One of the genetic diseases known as sickle cell disease is sickle cell anemia. Red blood cells, which deliver oxygen to every region of the body, are affected in terms of structure.
What is Sickle cell anemia?Red blood cells can flow through blood veins with ease. Red blood cells with sickle or crescent shapes are characteristic of sickle cell anemia.
Additionally, these sickle cells develop a hard and sticky coating that can hinder or delay blood flow.
Most persons with sickle cell anemia are incurable. Treatments can reduce suffering and aid in avoiding disease-related consequences.
Therefore, One of the genetic diseases known as sickle cell disease is sickle cell anemia. Red blood cells, which deliver oxygen to every region of the body, are affected in terms of structure.
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Intercalated disc between cardiac muscle cells serve to transfer
Answer:
Serve to transfer signals between cells.
Explanation:
Intercalated disc also called gap junctions are structural formations that are located between the myocardial cells of the heart. They help to bond or connect cardiac cells fibers together. They also help in cell to cell communications and propagate action potential. They serve to transfer signals between cells.
What are air masses, and how do they work? Don't copy and paste.
What are Air Masses: They large volumes of air that have generally the same temperature and pressure.
How they work: One is heated by an electrical current, the other is not. As air flows across the heated wire, it cools down.
Example of an Air Mass: The air masses in and around North America include the continental arctic, maritime polar, maritime tropical, continental tropical, and continental polar air masses. Air is not the same everywhere.
Fact: Unstable air masses have different temperatures and pressures.
How they are formed: An air mass forms whenever the atmosphere remains in contact with a large, relatively uniform land or sea surface for a time sufficiently long to acquire the temperature and moisture properties of that surface.
*** The Earth's major air masses originate in polar or subtropical latitudes.
Pleeeeeasssssee heeelp asap The image is attached
The box lists some characteristics of a plant that has adapted to conditions in Its environment. Grows in clusters and low to the ground Able to grow under a layer of snow Carries out photosynthesis at temperatures below freezing Flowers very quickly and briefly during Summer Produces small, moisture-retaining leaves To which type of environment is the plant best adapted? A. Desert Grassland Rainforest D. (ID Tundra
No links i will report
PLZ HURRY I ONLY GOT ABOUT 10 MINS LEFT
Answer:
b
Explanation:
i had this same quiz when i was younger
The answer is B: tectonic movement.
The shifting of tectonic plates is what is responsible for the movement of continents over millions of years.
Describe the structure of a fibrous joint and give an example of where this occurs in the body.
a change in position in relation to a reference point is:
a. acceleration
b. displacement
C. speed
d. velocity
Answer:
it would be b. displacement
Today we will start an investigation to see how different kinds of seeds are affected by different levels of ____, _______, meaning different concentration of salt (sodium chloride, NaCl) dissolved in water
Explanation:
salinity
from
http://sc6thgradescience.weebly.com/uploads/3/0/9/8/30980165/week_8_plant_booklet_new_standards.pdf&ved=2ahUKEwj0-7jr-LrwAhXPQs0KHVFnDNIQFjAAegQIAxAC&usg=AOvVaw26-9xULp2xjBb4NLgg8Arc
What is the DNA test examining specifically?
It is comparing the protein enzymes.
It is looking for matching patterns of alleles.
It is trying to find a mutation.
It is examining the lipid level of the cells.
Answer:
it is examining the lipid level of the cells
Explanation:
The general procedure includes: 1) the isolation of the DNA from an evidence sample containing DNA of unknown origin, and generally at a later time, the isolation of DNA from a sample (e.g., blood) from a known individual; 2) the processing of the DNA so that test results may be obtained; 3) the determination of the ...
pls help me I am rlly confused
All of an organism's characteristics are inheritable which evolves over millions of years. An example of this is the modern day horse's foot.
What is Evolution?This is referred to as the change in the heritable characteristics of biological populations over successive generations.
All an organism's characteristics can be inherited and evolves over a period of time as a result of the changing environmental conditions which helps them to adjust thereby increasing their chances of survival hence preventing extinction of species.
For example, over millions of years of evolution, many horses lost their side toes and developed a single hoof as a result of them needing to move at faster speeds to evade predators.
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When blood passes through a capillary bed in the
it downloards O2 and uploads CO2.
Answer:
Exchange of gases takes place at alveoli sacs of lungs, which are equipped with capillary vessels or bed.
Explanation:
On inspiration or taking air through nostrils, surrounding air enters the lungs and it reaches air sacs or alveoli. Here, the outside air will have more amount of oxygen when compared with oxygen in blood at that site. Hemoglobin in the blood have high bonding capability to oxygen, so it captures oxygen and takes it to heart for pumping into other parts of the body. Likewise, the circulations continues from lungs to heart > hear to body parts > body parts to heart > heart to lungs for purification.
observe the cartoon on the next page.Identify each simple machine represented in the machine.your choices will be:lever,inclined plane,pulley,wedge,screw,,wheel and axel,and pendulum.(not really a simple machine,but will be ok in this worksheet)
Answer:
Hii could u please show me the cartoon??
: )
Explanation:
Please help meeeee omgggg!!!
Answer:
Pollination
Explanation:
Bees and other pollinators drink nectar and get pollen on their feet and little pockets. When they go drink from another plant, the pollen falls on the reproductive organ and reproduction has begun.
Hope this helped :)
Answer:
The answer is A.
Explanation:
The answer is A. because for two pants to breed it depends on the pollen.
Smooth
Smooth
O
Smooth
A.
Smooth
o
Smooth
X
X
Wrinkled
It is true only in the plant world.
Smooth
Smooth
Based on the information above, what would a geneticist say about the example of the
pea plants?
Smooth
Wrinkled
B.
It is based purely on chance.
C. It has no relationship to human transmission of traits.
D. It helps show transmission of traits from parents to offspring.
E. It is too dated to have application in today's world.
Mendel's tests on the pea plant are still relevant today since they demonstrate how traits are passed down through generations, hence option D is correct.
What are pea plant traits?The pea experiment is frequently used in classrooms because peas have distinguishable qualities and it is relatively straightforward to analyze how these traits are inherited.
When a person possesses a dominant characteristic and is heterozygous for that trait, the descendants of that person might also possess a recessive trait.
Therefore, It helps show the transmission of traits from parents to offspring.
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Describe how you would identify mutations that are dominant. Describe how you would identify mutations that are dominant. To identify dominant mutations, breed the mutant individual to a mutant individual. Dominant mutations will be visible in the F1 generation. To identify dominant mutations, breed the wild-type individual to a wild-type individual. Dominant mutations will be visible in the F1 generation. To identify dominant mutations, breed the mutant individual to a mutant individual. Dominant mutations will be visible in the F2 generation. To identify dominant mutations, breed the mutant individual to a wild-type individual. Dominant mutations will be visible in the F2 generation. To identify dominant mutations, breed the mutant individual to a wild-type individual. Dominant mutations will be visible in the F1 generation.
Answer:
To identify dominant mutations, breed the mutant individual to a wild-type individual. Dominant mutations will be visible in the F1 generation.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files