Ribosomes and Endoplasmic Reticulum (ER) work together to synthesize proteins.
Ribosomes are the nucleoproteins That are present ether in the cytoplasm of the cell or attached to the ER. Ribosomes are also referred as protein factory because they play a central role in protein synthesis. Ribosomes can be of two types: 70S and 80S.
ER is of two types: Rough ER and Smooth ER. Rough ER contains ribosomes attached to it. RER also plays major role in protein synthesis. It helps in the modification and transport of the synthesized protein. The proteins formed in the RER are the secretory proteins.
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Please help!
Match the sequences with the mutations that occurred in them.
Group of answer choices
A
B
C
D
Mutations can affect chromosome number or structure. Among these last ones, deletion and duplication affect affect the number of genes. Translocation and inversion affect gene sequences. A) Translocation B) Deletion C) Inversion D) Duplication.
What are chromosomic mutations?
DNA suffers different mutations and changes. These mutations might affect chromosomes by altering a gene sequence or a chromosomal fragment.
There are two types of chromosomal mutations which depend on the mutation type,
- If the mutation affects the number of the chromosomes (haploidy, polyploidy, aneuploidy)
- If the mutation affects the chromosome structure.
Among the mutations that affect the structure of the chromosome, we can mention,
The ones affecting the number of genes- Deletion ⇒ Occurs a loss of genes
- Duplication ⇒ The number of genes increases
The ones affecting the sequence of genes- Inversion ⇒ genes order or sequence is inverted
- Translocation ⇒ genes are interchanged between chromosomes
In the exposed example,
A) Translocation
There was an interchange of genes between the two involved chromosomes.
One of them started with genes ABC and the other one with genes DE. After the interchage one of them ended with genes AC and the other one with genes DBC.
B) Deletion
The chromosome lost the A gene, which was deleted from the original sequence.
C) Inversion
The original sequence in this chromosome was ABC, and after the inversion the gene order was CBA.
D) Duplication
The original sequence was ABC, and after the duplication event, genes A and B got duplicated and the new sequence was ABABC.
In the attached files you will have an image with further explanation.
Note: You should check if the chromosomal mutations are represented with the same letters I porposed here.
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Telophase occurs:
Need some help!
Answer:
Before cytokinesis
Explanation
please help!!! questions are below!
Answer:
1. About 10^-6
2. The growth of roots is regulated by auxin concentration, with concentrations greater than resulting in smaller roots. Concentrations lower than 10^-8.5 encourage roots to develop more as concentrations increase, up to a concentration of 10^-8.5.
3. Auxin, I would apply at a concentration of around 10^-8.5 to generate the biggest carrot roots.
Explanation:
Auxins are growth hormones that are found in root tips and shoots, causing the roots to grow bigger as concentrations rise and causing the carrots to grow larger.
How will energy from food, temperature, and electrical power be cycled through your biosphere?.
Nutrient transport in the biosphere differs from energy transfer because, whereas energy travels through the biosphere and could be reused, elements continuously recycled.
What exactly is a biosphere?The biosphere, often known as that of the ecosphere, is the totality of all ecosystems on the planet. It is also known as the zone sustaining life on Earth. In terms of matter, the biosphere is essentially a closed system with very few inputs and outputs.
How is energy circulated in the biosphere?Energy enters the environment from the Sun as well as exits when the organisms have consumed all of it. Heat is the form in which organisms transfer energy to the biosphere.. Energy additionally enters the biosphere from the Earth's interior. It is typically in the form of heat, rather than the electromagnetic energy emitted by the Sun.
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The Latin prefix con- means "with." The Latin root sanguis means "blood." Using this information and your knowledge of word patterns and relationships, write your best definition of the word consanguinity here.
The best definition of the word consanguinity here is that it is used to describe organisms which are blood relatives.
Who is a Blood relative?The Latin prefix con- means "with." The Latin root sanguis means "blood" which is therefore how the word consanguinity was formed and the meaning is seen below.
This is referred to as the people who are related to each other by birth and this means they are from the same ancestors or parents and possess features which are passed down as traits as a result of the cell division known as meiosis being involved during reproduction.
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Consanguinity refers to the familiar relationship between individuals that share a common ancestor, and hence, are bonded by blood.
What is consanguinity?
The term consanguinity refers to the natural familiar relationship between individuals bonded by blood. These individuals share the same common ancestors.
The closer related two individuals are, the greater consanguinity is. This is because they share more characteristics inherited from their most recent ancestors.
Consanguinity refers to blood in common between individuals.
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You cross a pure-breeding white flower with a pure-breeding red flower, and the offspring are white with red spots. what type of inheritance is this an example of?
If you cross a pure-breeding white flower with a pure-breeding red flower, and the offspring are white with red spots and as F1-hybrid plants have a different phenotype (pink flowers) than either of the true-breeding parents, thus, it is an example of incomplete or partial dominance.
Pure-breeding offspring with pink flowers (Rr) were produced via a genetic cross between a pure-breeding with red flowers (RR) and a pure-breeding with white flowers (rr). It demonstrates that the gene for red could not entirely suppress the gene for white.
The pink flowers on the F1 hybrid plants are a different phenotypic from either of the true breeding parents. This is an illustration of partial dominance.
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4) What is a Moraine Hill?
rocks
Answer:
A moraine is material left behind by a moving glacier. This material is usually soil and rock. Just as rivers carry along all sorts of debris and silt that eventually builds up to form deltas, glaciers transport all sorts of dirt and boulders that build up to form moraines
Explanation:
How does water having high specific heat capacity and high heat of vaporization help life on earth?.
The high specific heat capacity, as well as high heat of vaporization, helps in the maintenance of life on earth in various ways such as absorbing excess solar energy.
The heat of vaporization of water is high as water required 40000 joules of energy in order to vaporize one mole of water. This high heat of vaporization of water makes it resistant to temperature changes which makes life on earth possible. It causes the moderate temperature to occur in coastal areas hence sustaining life.
The high specific heat capacity of water causes aquatic animals to survive in water, even during extreme conditions. An excess amount of heat is absorbed by the water on the Earth, which is then released slowly. Hence, in this way, the specific heat capacity causes moderate temperature fluctuations for sustaining life.
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A heterozygote in a diploid individual would have 2 different alleles at the designated locus. True or false?.
True is correct option.
Two alleles for a particular gene in a diploid organism are expressed and interact to produce a physical trait. The observable traits expressed by an organism are called its phenotype.
The underlying genetic make-up of an organism, consisting of both physically visible and non-expressed alleles, is called its genotype. Mendelian hybridization experiments demonstrate phenotypic and genotypic differences. For example, the phenotype that Mendel observed in crosses between pea plants with different traits is associated with the diploid genotype of plants in the P, F1, and F2 generations. As an example, we will use the second trait that Mendel studied, the color of a species. Seed color is determined by her one gene with two alleles. The yellow seed allele is dominant and the green seed allele is recessive. When a true breeding plant with one parent having yellow seeds and one green seed was cross-pollinated, all his F1 hybrid progeny had yellow seeds. That is, the hybrid offspring were phenotypically identical to their purebred parents with yellow seeds. However, we know that the allele contributed by the green seed parent was not simply lost, as it reappeared in some of the F2 progeny.
Therefore, F1 plants must have been genotypically different from their yellow-seeded parents.
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please help me with this
Answer:Your answer s b
Explanation:
Most of the genes controlling development encode either signal molecules or ________.
The correct answer for this question is Transcription factors.
Complex combinations of transcription factors play a role in the steady complexity increase that occurs during differentiation and subsequent differentiation during determination.
Our present understanding of the methods by which pattern creation during development is controlled is the result of the significant enrichment of transcription factors and signaling molecules among developmental control genes. In a nutshell, signal transduction pathways and cell engagement and communication through signals result in pattern generation.
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By what factor would the rate of diffusion change if membrane thickness doubled?
Tripling of the diffusion rate would correspond to a factor 3.
What are the factors which affects the rate of diffusion ??Substances diffuse when they travel passively from one area of high concentration to another area of lower concentrations . During cellular transport in plants, diffusion of chemicals is crucial. The concentration gradient, membrane permeability, temperature and pressure all have an impact on the rate of diffusion . As long as there is a difference in a substance concentration on either side of a barrier, diffusion will occur.
So by tripling the diffusion rate it would change to factor of 3.
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What is science? Is it a born or curse ?
Answer:
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe. Science may be as old as the human species, and some of the earliest archeological evidence for scientific reasoning is tens of thousands of years old.
Science is the greatest blessing that man could ever receive. It is indeed a boon and a blessing, if used for the benefit of mankind and for constructive purposes unless it becomes a tool in the hand of a few selfish and evil-minded people.
Explanation:
Hope it helps you
Answer:
Science is the greatest blessing that man could ever receive. It is indeed a boon and a blessing if used for the benefit of mankind and for constructive purposes unless it becomes a tool in the hand of a few selfish and evil-minded people.
Explanation:
It is impossible for humans to be different from monkeys without science. If someone does not want science, it means he/she wants to be foolish and doesn't like to learn about science (etc.)
Hopefully, this answers your question!!!!
EXPLAIN WHAT HAPPENS AT THE PARTICLES LEVEL FOR A SOLID TO MELT.
Answer:
Particles have increased kinetic energy, moving faster, overcome attractive forces, escape into vapor phase
Explanation:
If a parent cell has 48 chromosomes, how many chromosomes will each daughter cell have after mitosis and cytokinesis occurs? 96 chromosomes 48 chromosomes 12 chromosomes 24 chromosomes
Answer:
48 chromosome
In mitosis, the daughter cells have the same number of chromosome as the parents cell in the form of chromatids( as chromatids sister had separated during anaphase ).
I suggest you to learn( differentiate) about the term like chromatin, chromatid, chromosome, sister chromatids, homologous chromosomes so you can mastered this chapter.
Good luck!
How can Gram staining be used to determine how bacteria respond to their environments?
Gram staining helps scientists visualize the thickness of bacterial cell walls.
Gram staining helps scientists visualize the composition of bacterial cell membranes
Gram staining helps scientists visualize bacterial antibiotic resistance.
Gram staining helps scientists visualize bacterial motility.
Gram staining helps scientists visualize the thickness of bacterial cell walls
Gram staining is a method frequently used to distinguish between two sizable groups of bacteria based on the distinct components of their cell walls. By staining these cells red or violet, the Gram stain method distinguishes between Gram positive and Gram negative groupings. The crystal violet used to stain the cells of gram-positive bacteria is retained by the presence of a thick layer of peptidoglycan in their cell walls. In contrast, Gram negative bacteria stain red because their peptidoglycan walls are thinner and don't hold on to the crystal violet during the decolorizing process, causing them to stain red.
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Answer:Gram staining help visualize bacterial motility
Explanation:I just took the test 100% correct
What do light microscopes use to travel through the specimen?
Group of answer choices
electrons
lenses
light
gravity
Answer:
Electrons
Explanation:
In physiological research, the strategy of studying fairly primitive creatures, which have nervous systems that are smaller and less complex, is known as the:_________
In physiological research, the strategy of studying fairly primitive creatures, which have nervous systems that are smaller and less complex, is known as the simple system approach.
What is simple system approach? A simple system approach promises a better understanding of life's fundamental principles.It evolved as a result of the effective integration of numerous biological disciplines.As a result, multicellular eukaryotic development can be viewed as a series of linked responses. A step-by-step analysis of a continuous arc of vertebrate evolution based on serial exaptation's can reveal the mechanistic nature of complex physiology. Decisions and actions in one organizational area will have an impact on other areas, according to the systems approach. For example, if the purchasing department fails to obtain the required quantity and quality of inputs, the production department will be unable to operate.To know more about physiology :
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Choose a spot of soil that is nearby your home, school, or another area you frequent. If a crime were committed there, what types of materials do you think you’d find in your investigation of the soil? Do you think you would find materials that would be considered individual characteristics?
After finding a spot of soil that is nearby your home, school, or another area you frequent. If a crime were committed there then, Soils close to a crime scene can be subjected to forensic investigation to reveal a crime characteristic. Various locales have different soil characteristics.
Depending on the type of crime committed. There can be footprints or a particular type of substance that is unusually present. There might be genetic material or blood stains that could be used for DNA testing. Identifying the substance used in the crime may be made possible by a few specific compounds.
Materials that would be considered individual characteristics can include shoe prints and perhaps some tire markings. Shell casings, blood, shattered glass, spilled objects, etc. could all be present. Some of these might be distinctive features like tire marks, blood, or shoe prints.
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Answer: After finding a spot of soil that is nearby your home, school, or another area you frequent. If a crime were committed there then, Soils close to a crime scene can be subjected to forensic investigation to reveal a crime characteristic. Various locales have different soil characteristics.
Explanation:
How have animals in deciduous forests adapted to survive the winter months?
Answer:
migration and hibernation
Explanation:
birds r able to migrate to a warmer place and return to the deciduous forest when the temperature gets warmer. this helps brids find food they need to survive. animals such as birds will hibernate during winter months:)
A disruption of our 24-hour biological clock as a result of either overexposure or underexposure to light is referred to as?
A disruption of our 24-hour biological clock as a result of either overexposure or underexposure to light is referred to as desynchronization.
What is a biological clock?Circadian rhythm is another term for biological clocks.Circadian rhythms are changes in an organism's physical, mental, and behavioral changes that occur on a 24-hour cycle.These natural processes are primarily affected by light and dark and affect nearly all living things, including animals, plants, and microbes.Endogenous biological clocks regulate physiological activity and behavior patterns on multiple time scales. Circadian rhythms are cycles of change that occur within 24 hours and include the sleep/wake cycle, body temperature change, and hormone release such as melatonin and cortisol. Melatonin, a hormone that helps regulate circadian rhythms, is secreted by the pineal gland. Melatonin production is proportional to the amount of light a person is exposed to.To learn more about circadian rhythm:
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Why was motion of Earth not observable after the action-reaction event with the ping pong ball or clay ball?
According to Newton’s third law, motion of Earth is not observable because Earth is so large, we cannot perceive the change as it is so negligible.
Newton's third law of motion states that every action has a corresponding and opposing response.
The action-reaction forces can be used to study or observe Newton's third law. When a clay ball or ping pong ball is put to the ground, the clay ball flattens on the side that meets the ground while the ping pong ball rebounds into the air.
Newton's third law states that even though the action-reaction forces on the balls and the Earth were equal in strength and directed in opposing directions during each encounter, the resulting movements of the interacting objects were dependent on their masses.
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What is some direct evidence scientists used to determine that the Earth has liquid layers beneath the crust?
Which type of art has no visible subject?
A major concern about increasing global temperatures is that a large portion of polar ice could detach and melt into the ocean.
Abstraction is a type of art which has no visible subject.
Abstraction is the subject of abstract art. In essence, this kind of art stimulates the senses through the representation of shape, line, color, etc., but is devoid of forms found in the actual, physical world. Abstract art is frequently more linked to and associated with an artist's aesthetic and mode of expression. Sometimes, it has an emotional theme. Non-figurative or non-objective art are some names for it.
Perspective in art relates to how real or imaginable objects (such as people, landscapes, etc.) are depicted in a visual medium like painting, drawing, or sculpture. Additionally, perspective gives artwork a tone and atmosphere.
In atmosphere , increasing global temperature has become a major cause for the rapidly melting of the polar ice into oceans. It is an example of abstraction where there is no any visible subject but it has been represented through imagination and prediction.
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Which strains of cells have the capability of transferring their chromosome to another cell?
Bacterial conjugation is a sexual mechanism of genetic transfer since it combines the chromosomes of two sexually different cell types.
What are cells?The smallest unit that can sustain life on its own and makes up all living things, including the body's tissues. The cell membrane, the nucleus, and the cytoplasm are the three primary components of a cell. The substances that enter and leave the cell are governed by the cell membrane, which encloses the cell. They give the body structure, absorb nutrients from meals, turn those nutrients into energy, and perform certain tasks. Also, cells can reproduce themselves and have the body's genetic fabric.Each component of a cell has various meanings. Robert Hooke used a primitive compound microscope in 1665 to find cells in cork and later in living plant tissue.To learn more about cells, refer to:
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Explain how drawin theory of evolution has been criticized
Darwin theory of evolution has been criticized due to its failure to explain origin and transmission of variations.
What is Evolution?
This is defined as the changes in the heritable characteristics of a biological populations over successive generations and is usually a long period of time.
Darwin's theory of evolution states that all species arise as a result of the inherited variations which increases their chances of survival in the ecosystem as a result of the varying environmental conditions from time to time.
However this theory was criticized because there was no emphasis on the origin and transmission of variations thereby making it the correct choice.
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Help prevent molecules from passing through the extracellular space between adjacent cells.
TIGHT JUNCTIONS are the juntions which does not allow the molecules to pass through the membrane to the adjacent cells
TIGHT JUNCTION is when 2 cell membranes are held together so tightly that nothing can leak like proteins in cell membrane form strand that adheres them tightly example in stomach, bladder, intestinescell junctions is a contact points between plasma membranes of adjacent cells within a tissueadheren junctions is found inside of plasma membrane of each adjacent cell is thick protein (plaque) , plaque from inside of one cell is adhered to plaque inside other cell, transmembrane glycoproteins (cadherins) join cells and adhered to one another so they don't separate when pulledTo know more about TIGHT JUNCTIONS visit : https://brainly.com/question/8293781
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Biogeochemical cycling is defined as?
Answer:
A biogeochemical cycle (or more generally a cycle of matter) is the pathway by which a chemical substance cycles (is turned over or moves through) the biotic and the abiotic compartments of Earth. The biotic compartment is the biosphere and the abiotic compartments are the atmosphere, hydrosphere and lithosphere.
A haploid (1n) cell undergoes a mitotic nuclear division followed by cytokinesis. this results in:_____.
A haploid (1n) cell undergoes a mitotic nuclear division followed by cytokinesis. This results in two genetically identical haploid cells.
In the field of biology, mitosis can be described as a process through which two daughter cells are formed which are exactly identical to the parent cell and to each other. The process of mitosis occurs in organisms that undergo asexual reproduction. All the somatic cells in the body divide by the process of mitosis.
If a haploid cell undergoes mitosis, hence two daughter cells will be produced that will be haploid as well as genetically identical to the parent cell and to each other. The process of cytokinesis occurs at the end of mitosis when the cytoplasm of the parent cell divides from between, forming two new identical daughter cells.
Although a part of your question is missing, you might be referring to this question:
A haploid (1n) cell undergoes a mitotic nuclear division followed by cytokinesis. this results in
a. A single cell with a diploid nucleus.
b. A single cell with two genetically identical haploid nuclei.
c. Two genetically identical haploid cells.
d. Two genetically distinct diploid cells.
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Select the possible changes in e. coli that made them more resistant with each successive round of radiation and selection?
Mutation have made DNA repair more efficient
In a study published describe blasting E. coli bacteria with ionizing radiation one per week, caused the bacteria to become radiation resistant. In doing so, they have became genetic mutations and mechanisms underlying this resistance.with time , as the bacteria have become resistant, the researchers have been able to elevate the level of radiation to which they exposed the bacteria mutations . The study took a deep dive into the mutations they have collected after 50 cycles (meaning the bacteria were irradiated 50 times).While the total mechanisms, such as increased DNA repair, are the same as in naturally resistant bacteria, many of the mutations that caused those changes have never been seen before mutations . Bruckbauer added that beyond DNA repair and changes to RNA polymerase, there are whole new ways of being resistant that could arise.
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