Water can move into the cell through simple diffusion and through osmosis when the concentration of water outside the cell is lower than inside through aquaporins.
Aquaporins, also known as water channels, are channel proteins that produce pores in the membrane of living cells, primarily aiding the passage of water between cells and known as plumbing systems of the cell. They are part of a wider family of important intrinsic proteins. Aquaporins are proteins that allow water to enter and exit cells more quickly than through the phospholipid bilayer in a range of bacteria, fungal, animal, and plant cell membranes.
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An example of a nucleotide is?
A. cytosine, ribose, and deoxyribose
B. guanine, deoxyribose, and phosphate
C. uracil, deoxyribose, and phosphate
D. thymine, ribose, and phosphate
Answer:
B
Explanation:
A nucleotide always consists of 3 things:
1. A sugar group (either ribose or deoxyribose, ribose if the nucleotide is from RNA, deoxyribose if it is from DNA.
2. A phosphate group
3. A nitrogenous base (A/T/U/C/G) This base depends on whether you have RNA or DNA, U is only for RNA. DNA has either A/T or C/G but never U.
A femur is a leg bone found in a human skeleton. When evaluating the human body's levels of organization, a femur is best classified as —
A.
an organ, because it is part of the skeletal system.
B.
an organ system, because it is composed of many cells.
C.
an organelle, because it is composed of many tissues.
D.
an organism, because it is part of the skeletal system.
Answer:
Option A
Explanation:
The femur is classified as an organ, because it is part of the skeletal system
The level of organization is the order that includes cells, tissues, organs, organ systems, and organisms. The femur is a leg bone which is an organ which is a part of organ system called the skeletal system.
What is skeletal system?The basic framework of body is skeletal system, which is consists of bones, connective tissue, tendons, ligaments, etc.
The four main parts of this system include:
Bone.Ligament.Tendon.Joint.The femur is a leg bone which is an organ that is a part of an organ system called the skeletal system.
Thus, the correct option is A.
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The codon GAG becomes GTG due to a point mutation in the DNA, affecting the structure of the protein hemoglobin. What effect does this mutation have on the individual? WILL GIVE BRAINLIEST
The individual suffers from sickle cell anemia.
The individual suffers from myotonic dystrophy.
The individual suffers from Fragile X syndrome.
The individual suffers no negative effects.
Answer:
The individual suffers from sickle cell anemia.
Explanation:
Deformed red blood cells occur in 1 in 500 African Americans. This is caused due to a gene mutation called point mutation that alters the structure of the red blood cell. This alteration affects the cell's ability to carry oxygen.
What is the definition for polyploidy?
Make a concept map with the following terms:
Stimulus, function of relation, response senses or receptors, touch, smell, environment, individual, stimulus, taste, hearing, sight, processing center, nervous system, somatic, central nervous system, peripheral nervous system, neurons, synapses, sensory, brain, motor, interneurons, electrical, chemical, spinal cord, autonomic, voluntary and involuntary actions
Please is for today :(
Answer: igu bro, ok first u add my bbrother to class and then u subrtarct the ugly kids and you omneof them so dieeeee
Explanation:
state birth control methods according to Islam view?
Answer:
Writings of Muslim jurists make it clear that Islam allows for the use of reversible methods of contraception (birth control), including oral contraceptives (birth control), condoms, coitus interruptus, emergency contraception, injections, subdermal implants, IUDs, spermicides, and diaphragms.
Explanation:
3. What might happen to the ecosystem if this population were removed?
Answer:
More predators kill more prey, which, along with food scarcity, decreases the population.
Explanation:
Answer: ''Population Explosions The most obvious result of the removal of the top predators in an ecosystem is a population explosion in the prey species. ''
Explanation:
what reaction is degradative
Simple sugar dehydration–fragmentation products, such as derivatives of furans, pyrones, cyclopentenes, carbonyl compounds, or acids
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please brainliest :)
Answer:
Degradation reactions reduce the number of atoms in a molecule through a specific type of chemical transformation.MARK ME AS BRAINLISThow do we know that change is taking place around us ? what is the need to study change ? explain some example
Answer:
Specialisation in the knowledge society and its need
Posted by Bernardo Lajus on Mon, 01/07/2013 - 11:54.
Contemporary society is characterized by globalization. The information and the speed with which they reach society amaze anyone who has experienced the 1980s and 1990s. Because of the technology and facilities it brings, the recipients of this information become increasingly demanding, in every way. Demanding with you, with others, with things, with everything, making the world so demanding, to the point that services and information are insufficient, exhausting, poor.
Because of this, the world specializes. The professions have gained new directions, new perspectives. The courses that were previously generic, such as engineering, law, medicine, became insufficient and were gaining tributaries. If before the general practitioners of mechanical engineering and law realized the professional demand, over the years and the evolution of society, it required professionals to become specialists, creating branches and opening possibilities.
Today, specialists, masters and doctors are essential for the rapid development of society, required everywhere. Despite the harm spawned (such as time demanded, or "knowing much about little), specialization in the knowledge society brings inegulable benefits. The creation of new jobs, the deepening of knowledge and the quality of services makes society evolve even more.
Thus, although the human being, in his individuality, is not expanding his way of knowing, but rather reducing himself to specificity, society as a whole plunges into a profound expansion of knowledge, bringing this to everyday life, from the most trivial to the most complex of works, specialization is necessary and beneficial.
Explanation:
What is the process by which an organism undergoes a dramatic change in form called?
1. Morphology
2. Metastasis
3. Photosynthesis
4. Metamorphosis
Metamorphosis through which the insect develops by four distinct stages: egg, larva, pupa, adult. A type of metamorphosis in which an organism's transformation is so dramatic that it is difficult to recognize the relationship between the larva and adult form.
Option 4) Metamorphosis
Answer:
4. Metamorphosis
If a chromosome comes apart because it is not well attached at the center, 1 point
then there is most likely a problem with the
centromere
chromatids
chromatin
gene
Answer: The most problem is likely with chromatin
Explanation:
If a chromosome comes apart because it is not well attached at the center, The most problem is likely with chromatin.
What is chromosome ?
A chromosome is a thread-like structure present in the nucleus of cells such as both prokaryotic and eukaryotic cell and it is made of a molecule of DNA (Deoxyribonucleic acid) and histone proteins.
It is composed of three components, DNA, proteins and RNA, amount of the DNA content ranges from 30 to 40 %, the amount of proteins from 50 to 65%, and small amount of RNA from 1 to 10%.
Two types of protein present in DNA such as histone and non-histones proteins, histone constitute large amount (90% of total protein), whereas non-histone is present in small amount (around 10% of total protein).
The histone protein is basic, whereas, the DNA is acidic, so it can be neutralized; DNA in chromosome is present in two forms such as Euchromatin and Heterochromatin.
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PLEASE ANSWER ALL QUESTIONS! THANKS!
Which of the following statements about salinity is true?
Question 1 options:
Ocean water near areas with low evaporation has higher salinity.
Ocean water in regions with high levels of precipitation has higher salinity.
Ocean water near rivers has a lower salinity.
Ocean water in areas with high humidity has a higher salinity
How are latitude and temperature related?
Question 2 options:
Lower latitudes will have warmer water because it is closer to the equator.
Higher latitudes will have warmer water because it is closer to the equator.
Higher latitudes will have warmer water because it is closer to the poles.
Lower latitudes will have warmer water because it is closer to the poles
How does salinity vary with freezing and melting?
Question 3 options:
Both freezing and melting decrease salinity.
Both freezing and melting increase salinity.
Freezing decreases salinity, while melting increases salinity.
Freezing increases salinity, while melting decreases salinity.
How does salinity vary with evaporation?
Question 4 options:
When water evaporates, it takes salt with it, increasing its salinity.
When water evaporates, it leaves salt behind, increasing its salinity.
When water evaporates, it leaves salt behind, decreasing its salinity.
When water evaporates, it takes salt with it, decreasing its salinity.
Answer:
that guys answers are all wrong except for #3
Explanation:
i took the quiz and got 1/4
The North Pole and the South Pole are
A:Classified as tundra biomes
B: Not home to any animals
C: not classified into major biomes.
D: Part of Aquatic Ecosystems
Answer:
A
Explanation:
classified as tundra biomes
1. Which statement is NOT true?
a. Metals tend to lose electrons and form cations, or positive ions.
b. Nonmetals tend to gain electrons and form anions, or negative ions.
c. Ionic bond is formed between two metals or two nonmetals.
d. Ionic bond is formed between a metal and a nonmetal.
Answer:
c.Ionic bond is formed between two metals or two non metals.
Arrange the following concepts from simplest to most complex: Chromosomes, DNA, Genome, Gene
Answer:
DNA -> Gene -> Chromosome -> Genome
Explanation:
A genome is an organism's complete set of DNA including all of its genes. Each genome contains all of the information needed to build and maintain that organism. Chromosomes are the threadlike structures located inside the nucleus of animal and plant cells. A gene is the basic physical and functional unit of heredity.
The material and components that are vital for the growth and functioning of an organism that gets inherited from parent to offspring are the components of genetic information.
From simplest to complex they are arranged as:
DNA ⇒ Gene ⇒ Chromosome ⇒ Genome
DNA is the deoxyribose nucleic acid and is the genetic material that transports the instruction for development and function for growth. Gene is a unit of hereditary that codes for gene products.DNA molecules packed as a thread-like structure is called chromosomes.The entire set of genes that pass from parent to offspring is called the genome.To learn more about genome and genes follow the link:
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Estimate the number of cells that belong to each phase of the cell cycle. Then, explain how you made your decision and describe what occurs at each phase of mitosis.
Answer:
well, it starts from one parent cell, every complete phase makes. at least 4 and then i. think those can multiply
Explanation:
please answer please, If we have a male hemophiliac (such as Leopold) marry a normal female, is there any way to have sons who have hemophilia? Provide a justification for your response.
science animal cell, please help thanKS ASAP
Answer:
a (so 6)
Explanation:
I hope this is helpful :)
PLZ HELP I"LL GIVE BRAINLIEST
Answer:
gotchu
Explanation:
1. His symptoms consist of difficulty walking and an abnormal gait (pattern of movement such as walking, running, etc)
2. a. one purpose of the blood test was to test his creatine kinase enzyme to see if there were any medical conditions connected to the way he was walking and why it was abnormal
b. the other purpose is to be sure that he has something wrong with his gait. If he does have a medical condition, it was best to see if he had it early on to treat it faster
3. the function of dystrophin gene connects to the cytoskeleton of a fiber which has to do with brain function; we need that to walk. For DMD, that is a condition that alters the way people walk.
4. DMD is inherited from family's genes, so he got it from his birth family probably from his dad's part of the family as DMD effects men more than women
5. It is pretty likely as this medical condition is inheritably passed on. It is likely that his grandchild will get DMD
6. To treat DMD to the best of the ability since there isnt a cure, they could participate in physical therapy and steroids
Due to the size of the Universe and the number of galaxies and stars in it, scientists must devise indirect ways to study it. Which of these represents the best way for scientists to study the Universe?
Answer:
A. Scientists should create a graph showing a comparison of the relative sizes of all the galaxies and stars.
Explanation:
Due to the size of the universe and the number of galaxies and stars in it, scientists must use different methods for the purpose of the study, such as the analysis of cosmic microwave background radiation, gravitational lensing, etc.
What is the significance of the cosmology studies?Scientists can conduct cosmology research in a variety of ways, including using computer simulations to model and predict the evolution of the universe and all of its materials, using gravitational lensing to measure the distribution of dark matter, and so on. Apart from that, the universe can be studied by using telescopes at various wavelengths,
Hence, due to the size of the universe and the number of galaxies and stars in it, scientists must use different methods for the purpose of the study, such as the analysis of cosmic microwave background radiation, gravitational lensing, etc.
Learn more about the cosmology studies here.
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Disadvantages of smoking
Answer:
lung cancer
Explanation:
people die everyday due to smoking so we must take action also smoking has no benifits only losses
Im stuck in this question if you know please comment
Answer:
C
Explanation:
meiosis increases the genetic variability due to mixing of genetic material between chromosomes.
it produces genetic variation by a process known as recombination.
Describe how you will estimate the rate of photosynthesis.
Explanation:
there are various methods to measure photosynthesis: Uptake of CO2 by plants: Since CO2 is needed for photosynthesis, measuring how much of it is taken up by the plants gives us information on how much of photosynthesis is happening. Release of O2: The amount of O2 produced during photosynthesis can be measured.
Estimation or measuring the rate of photosynthesis can be done by:
by the production of oxygenthe uptake of carbon dioxideIndirectly by an increase in biomass.The rate of photosynthesis is a gross measure of the rate at which a plant captures radiant energy and fixes it in organic carbon compounds. It can be estimated by:
Depletion of the substrate that is carbon dioxide, has been used or how much water is used.the accumulation of oxygen is a measure of the rate of reaction.measure the rate of photosynthesis in leaves by observing the release of oxygenThus,
Estimation or measuring the rate of photosynthesis can be done by:
by the production of oxygenthe uptake of carbon dioxideIndirectly by an increase in biomass.Learn more:
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What will happen if you cross a white (bb) rabbit with another white (bb) rabbit?
True or False
Prokaryotic cells generally have a higher surface area to volume ratio than eukaryotic cells.
Answer:
true I think I just guessed
TRUE : Prokaryotic cells generally have a higher surface area to volume ratio than eukaryotic cells
Eukaryotic cells are larger and complex when compared to prokaryotic cells which makes its surface area to volume ratio to be smaller than that of prokaryotic cells. cells are classified based on the arrangement of their cell structures.
Prokaryotic cells are found in smaller organisms like Bacteria while Eukaryotic cells are found in larger organisms like Humans and Plants.
Hence we can conclude that based on the complexity and size of the Eukaryotic cell, the prokaryotic cells generally have a higher surface area to volume ratio.
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Put "Gene Pool" in a sentence
Answer:
A gene pool is a collection of all the genes in a population. This can be any population - frogs in a pond, trees in a forest, or people in a town.
Explanation:
Which type of cell is considered the least complex?
Answer:
tissues.
organs.
organ systems.
organism.
Explanation:
Answer:
the answer would be tissues
all of the following are nucleus acids , except
a - adenine
b - iodine
c - guanine
d - cytosine
Answer:
iodine
Explanation:
Iodine is a chemical not a base. There are only 4 nucleus acids and these are adenine, thymine, cytosine and guanine.
What is the the process responsible for the synthesis of proteins and mention the cellular structure where the genetic program responsible for this synthesis is located.
Answer: Translation
Explanation:
During the transcription the double stranded DNA act as a separate template strand to produce mRNA molecule. The mRNA molecule encode for amino acid chain that collectively forms the protein. The ribosomes are the sites of protein synthesis the mRNA get attached to the ribosome. Within the ribosome the rRNA molecule instruct the catalytic steps for the synthesis of protein. The amino acid sequence or chain gets stitched together to form the protein.
Soil erosion can be BEST prevented by
- Heavily watering the vegetation on the slope
- Increasing the slope of the land by adding more soil
- Building terraces into the sides of a slope
- removing grass from the steepest slope.
I need help!!
Answer: Following are some of the methods of soil erosion prevention: Plant trees on barren lands to limit erosion of soil. Add mulch and rocks to prevent the plants and grass underneath to prevent soil erosion. Mulch matting can be used to reduce erosion on the slopes.
Answer:
Building terraces into the sides of a slope