Answer:
One pair of chromosomes includes a gene called the cystic fibrosis transmembrane conductance regulator (CFTR) gene. This gene is large and complex — in fact, more than 1,000 different CF-related mutations have been identified.
In most people, the CFTR gene helps regulate the flow of salt and fluid in and out of cells. But if there is a mutation in this gene, chloride, a component of salt, gets stuck inside the cells and a thick, sticky mucus starts to build up inside the body.
Explanation:
What level in the hierarchy of life would have many characteristics in common?
Where in the oceans are the highest values of salinity found?
in mid latitude regions, wind qusts are strongest
in subtropical regions, where evaporation exceeds precipitation
O near the equator, where precipitation exceeds evaporation
O in polar regions, where ice sheet volumes are shrinking
Answer: in subtropical regions, where evaporation exceeds precipitation
Hope it helps :)
Explanation:
What typically happens to a population if it exceeds it’s carrying capacity?
A. Death rate will exceed birth rate
B. Prey species increase
C. Migration into the area increases
D. Birth rate will exceed death rate
Answer:
D
Explanation: Population will proceed to grow, until resources are used up, then population begins to decrease.
Answer:
D. birth rate will exceed death rate
The picture above shows the early embryos of a human and a chicken. Gill slits and tails are shown in both. What does
this most likely suggest?
Answer: C
Explanation:
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Please answer, photo is above thank you!
HELP
What is a hydrogen bond?
Answer:
A hydrogen bond is a weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
What happens when a stationary front passes?
Answer:
_________
Explanation:
Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.
Products enter a reaction and reactants come out of a reaction true or false?
Answer:
[tex]\boxed {\boxed {\sf False }}[/tex]
Explanation:
In a chemical reaction, the products are produced. The reactants are the substances that react.
In a chemical reaction equation (with the arrow pointing right) the reactants are on the left and the products on the right.
[tex]reactants \rightarrow products[/tex]The reactants enter and the products come out.
So, the statement given - products enter a reaction and reactants come out - is false and it is actually the other way around.
A farmer is spraying his crops with a specific pesticide. He notices a drastic decrease in the insect population, so he uses the same pesticide the next year. This time, more insects survive. The next year, almost no insects are killed by the pesticide. Why is this happening?
Answer:
Probably insects developed resistance to the pesticide.
Explanation:
The term resistance refers to an inheritable change in the population sensitivity, reflected through the consecutive failure of the chemical effects, correctly used in order to reach a certain effect on the insect population.
Insecticides might produce a genetic modification in the insects, leading them to survive under the effects of the chemical. Insects evolve with the capability of tolerating the poison dose that normally is used to destroy a normal population of plagues.
In the exposed example, the first time that the farmer sprayed the pesticide, the insect population decrease sharply. This means that the chemical affected them severely. The surviving individuals probably suffered a genetic modification and survived. They probably passed this modification to the following generations, which expressed it, and developed resistance to the pesticide.
An unidentified plant produces spores, has many cells, but does not have true leaves. What plant is it?
A. liverwort
В. fern
C. gymnosperm
D. angiosperm
An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.
What are angiosperms?Angiosperms, that are also known as flowering plants, have “seeds” that are sealed off within an “ovary”, while gymnosperms do not have fruits or flowers and have uncovered seeds on the surface of leaves. Seeds of gymnosperms are often arranged as “cones”.
The features and characteristics that distinguish angiosperms from gymnosperms are fruits, flowers, and “endosperm” in the seeds. Examples of “Angiosperms” are “monocots” like orchids, lilies, agaves, grasses and dicots like, peas, roses, sunflowers, maples and oaks. “Gymnosperm” examples include “non-flowering evergreen” trees like pine, fir and spruce.
Therefore,An unidentified plant produces spores, has many cells, but does not have true leaves. It is a fern or the angiosperms. Thus, option C is correct.
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Explain how an evergreen tree stores water during months of little rain.
Answer:
i think they are orignally from cold areas so they store water and moisture in there needles. and they stay green year round.
Explanation:
I will give brainliest for the first person who gets it correct
What is the name of the given plant?
A) Hydnellum Pecki
B) Bloodroot
C) Haementhus Coccineus
D) Blood plant
E) Speckled Ruby Fungus
Answer:
A
Explanation:
HELP ASAP!
Which of the following is true regarding glycolysis ?
Choose 1 answer.
A.) It requires glucose as a reactant.
B.) It produces 36 ATP.
C.) It occurs in the mitochondria.
D.) It is an aerobic process.
Answer:
I would have to say A
Explanation:
Glycolysis is the first step in the breakdown of glucose to extract energy for cellular metabolism. So we already know that it uses glucose because thats what its breaking down. Glycosis produces 2 ATP so B is wrong. Glycolysis happens in the cytoplasm so C is wrong. Finnaly aerobic is using free oxygen in the process of the reaction. However glycolysis uses no oxygen and is anaerobic.
Glycolysis requires glucose as a reactant.
• Glycolysis refers to a cytoplasmic pathway that dissociates glucose into the three-carbon compound and produces energy in the form of ATP.
• The process of glycolysis takes place in the cytoplasm.
• In the process, the net production of 2 ATPs takes place.
• It can be both anaerobic and aerobic process.
• The process of glycolysis completes in 10 steps, five of which are in the preparatory phase and the rest 5 are in the pay-off phase.
• The process of glycolysis is used by all the cells of the body to produce energy, and the final product of glycolysis is pyruvate.
Thus, correct answer is option A, that is, it requires glucose as a reactant.
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On February 21, a student observes that the Moon cannot be seen in the clear
night sky. On what date will the student not be able to see the Moon again in the
clear night sky?
A. February 28
B.March 7
C.March 14
D.March 21
Answer:
Okay so the answer is
C...
On February 21, a student observes that the Moon cannot be seen in the clear night sky. The date when the student is not able to see the Moon again is on March 21. The correct option is D.
What is the moon?The moon is the only natural satellite of the earth. It is white and gray and visible from the earth on nights only. It is the fifth-largest satellite in the solar system.
The moon has different phases seen from the earth because the moon revolves around the sun. The four phases have been named full moon, no moon, C moon, and half moon.
In 28 days, the moon is not visible for one day, then the other day it is visible and C-shaped. The student was seen on February 21.
21 + 27 day means 21 march.
Thus, the correct option is D. March 21.
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What are three things done by proteins
Please help i need a answer that is not off the internet it needs to be in own words.
I will mark brainly
In 5-7 sentences, briefly define evolution and natural selection, then analyze the differences between the two concepts.
Answer:
evolution is change over a period of time
If the yellow allele is dominant (Y) and the green allele is recessive (y), what are the possible genotypes of a green offspring?
Answer:
yy
Explanation:
it can only be yy because you need 2 recessive genes to show a recessive trait.
A plant with Yy genes could pass the recessive genes on, but would still show the dominant trait.
The possible genotype of the green offspring is yy, i.e., recessive one and will express only in absence of dominant allele.
What is genotype?In a broad sense, the word "genotype" refers to an organism's genetic makeup; in other words, it describes an organism's entire set of genes.
In a narrower sense, the term can refer to the alleles, or variant forms of a gene, that an organism carries.
A genotype is a classification of the type of variant found at a specific location (i.e., a locus) in the genome.
Symbols can be used to represent it. For example, the letters BB, Bb, bb could be used to represent a specific variant in a gene.
In the given scenario, Y is dominant allele which will express in combination with y means the recessive one.
Thus, for expressing the green allele, it should be yy.
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all you need is in the photo
What is the sentence stem cell?
Answer:
Sentences Mobile
Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.
Explanation:
Sentences Mobile
Stem cells in embryos generate all other tissues in the body. Opponents say the use of embryonic stem cells would encourage abortions.
CAN SOMEBODY PLSSSS STILL ANWSER I NEED THIS ASAP BIOLOGY HELP!!!!!!!!!!!!!! BRAILIESTT
Answer:
C, brainliest plz??
Explanation:
The different forms of a gene are called
(1 Point)
traits
hybrids
alleles
please help only if you know
please also only give a simple answer please don’t search up
transcription and translation of this subset of genes determines how a cell looks and acts when in the process of forming into a more mature cell.
I need the last two questions. Can anyone help?
1. Color can affect a pocket mouse’s ability to survive because if a light colored mouse is in a dark area, it will not survive. A dark colored mouse will survive in a dark area because it will blend in with its surroundings.
2. On the dark rock, mice with dark fur are more likely to survive because they will blend in with the rock.
Which statement describes how pioneer species and climax communities are different?
please help me if you only know
Answer:
(1) Translation begins when a ribosome (gray) docks on a start codon (red) of an mRNA molecule in the cytoplasm. (2) Next, tRNA molecules attached to amino acids (spheres) dock at the corresponding triplet codon sequence on the mRNA molecule.
Explanation:
1st one.
Answer:
Hi how are you doing today Jasmine
Active transport occurs through which type of biomolecule?
Proteins
Lipids
Carbohydrates
Nucleic acids
Nucleic acids. It is this becasue In my science call today they said this
A genome identifies genes in an organism. Which part of the DNA molecule is examined to determine the genetic proteins and traits of an organism?
Answer:
sequence of nitrogen bases
Explanation:
i’m taking my exam rn and that was the correct answer
Answer:
sequence of nitrogen bases
Explanation:
Will mark Brainliest! What term refers to crops that mainly protect other crops during their early days?
nurse crops
forage crops
pasture crops
Peas, peanuts, or corn is an example of such crops.
Answer:
Nurse crops
Explanation:
HELLPP! ITS BIOLOGY
Answer:
So that in a guinea pig cross in the offspring the recessive trait —long hair— can be observed in 25%, the most probable genotype of the parents is heterozygous Ss.
Explanation:
In guinea pigs, for the characteristic hair length, short hair is the dominant allele and long hair is the recessive one.
In order for 25% of the offspring to express the recessive characteristic, the parents must have a recessive genotype, which can be seen in Punnett's Square:
P: Ss X Ss
Alleles S s
S SS Ss
s Ss ss
Where the offspring is:
50% Ss with short hair phenotype 25% SS with short hair phenotype 25% ss whose phenotype would be long hair.According to this, heterozygous parents for the characteristic long hair in guinea pigs have a 25% chance of having offspring with long hair.
What is the relationship between the Earth, moon, and Sun during a solar and Lunar eclipse?
Answer: The relationship between the Earth, moon, and sun during a solar and Lunar eclipse is Lunar eclipses only happen once the Moon is in the opposite direction of the Sun in the sky, a montly occurence, which is known as a full moon.
Explanation: Once the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. When this happens, Earth passes directly between the Sun and the Moon, which causes its shadow to create a lunar eclipse.
Answer:
during a luner eclipse the earth comes between the sun and the sun and the moon blockimg the sunlight falling on the moon.
