How is DNA contributed to the offspring by each parent in sexual reproduction?
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Related Questions
What covers up the binding site on the thin filament?
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The binding site on the thin filament is covered by the protein tropomyosin, which is a long, thin protein that winds around the actin filament.
Tropomyosin is responsible for regulating muscle contraction by blocking the binding site on the actin filament that would otherwise allow the myosin heads of the thick filament to attach and interact with the actin filament. In a relaxed muscle, tropomyosin blocks the myosin-binding sites on the actin filament and prevents the myosin heads from binding to the actin filament. When a muscle is stimulated to contract, calcium ions bind to the protein troponin, which causes a conformational change in the tropomyosin protein. This conformational change moves the tropomyosin away from the myosin-binding sites on the actin filament, allowing the myosin heads to attach to the actin filament and initiate the sliding of the thin and thick filaments past each other, leading to muscle contraction.
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a wildtype allele and a mutant allele differ by a few nucleotides in the gene sequence for an important protein in neuron metabolism. in an individual who is a heterozygote, both the mutant and the wildtype proteins are synthesized in neurons. at the organismal level, the mutant allele is:
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Wild type and mutant are recessive alleles. The allele that is not expressed when there is heterozygosity. untamed type a person with a typical phenotype.
the trait that is typically present in an organism's natural population. mutant a person who deviates from the typical phenotype in some way. The terms "wild type" and "mutant" refer to people with normal phenotypes shared by the bulk of the natural population, while "mutant" refers to those whose phenotypes deviate from those of the normal population. Melanocytes, a kind of cell, are responsible for producing the protein melanin. Melanin has a crucial role in shielding the skin from the sun's UV rays, which may damage DNA and lead to skin cancer. Albinism is brought on by both alleles of the gene being autosomal recessive. Recessive mutant alleles are those that result in proteins with diminished or nonexistent function.
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Both mutant and wild-type alleles are recessive. the allele that is silenced in a heterozygote situation. a person with a characteristic phenotype is the untamed type.
A characteristic that is frequently seen in an organism's natural population. a mutant is a person whose phenotype differs in some manner from the norm. "Wild type" and "mutant" refer to individuals whose phenotypes are similar to those of the majority of the natural population.
"Mutant" describes individuals whose phenotypes differ from those of the normal population. The cell type called melanocytes is in charge of making the melanin protein. Melanin is essential for protecting the skin from UV radiation, which can harm DNA and cause skin cancer.
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Select the tragedy and the hope of infectious diseases.
Nothing can be done to prevent death by infectious diseases, such as proper hygiene and sewage treatment, clean water, and adequate healthcare.
It costs too much money to prevent infectious diseases.
Most of the deaths could have been prevented.
Changes can be made to prevent death by infectious diseases, such as proper hygiene and sewage treatment, clean water, and adequate healthcare.
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Answer:Most of the deaths could have been prevented.
Explanation:
just did the assignment.
The cell membrane of an animal cell is damaged due to a bacterial infection.
What function is most immediately affected by the damage?
Choose 1 answer:
A
Transport of materials into and out of the cell
B
Protein synthesis
C
ATP synthesis
D
Storage of genetic material
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Answer:
A
Explanation:
The cell membrane would be damaged and A describes what the cell membrane does. Hope this helps!
Veins have valves to prevent the backflow of blood because the blood in veins flow ________.
A at a low pressure
B at a high pressure
C at a neutral pressure
D at atmospheric pressure
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Veins have valves to prevent the backflow of blood because the blood in veins flows at a low pressure.
The correct answer is A) at a low pressure. Veins are blood vessels that carry deoxygenated blood back to the heart. Unlike arteries, which carry oxygenated blood away from the heart under higher pressure, veins experience lower pressure due to the distance from the heart and the resistance encountered in the peripheral circulation.
Veins have valves located at intervals along their length, particularly in the limbs, to ensure the one-way flow of blood toward the heart. These valves open when blood flows toward the heart and close to prevent the backflow of blood. The low pressure in veins makes them more susceptible to backflow, especially when influenced by factors such as gravity or muscular contractions.
By closing the valves, the blood is directed toward the heart, preventing retrograde flow and enhancing the efficiency of venous return. This mechanism helps maintain the proper circulation of blood throughout the body, allowing for effective oxygenation and nutrient delivery.
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Every cell contains DNA. The main purpose of DNA is to store the cell’s genetic information. How does DNA control the cell?
A. DNA activates nerve signals in the nervous system
B. DNA speeds up chemical reactions and lowers activation energy
C. DNA protects the cell from invaders.
D. DNA determines what proteins are made.
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Answer:
The answer is D: DNA determines what proteins are made.
Explanation:
The nucleotide sequences that make up DNA are a “code” for the cell to make hundreds of different types of proteins; it is these proteins that function to control and regulate cell growth, division, communication with other cells and most other cellular functions.This process is called protein synthesis.All known cellular life and some viruses contain DNA. The main role of DNA in the cell is the long-term storage of information. It is often compared to a blueprint, since it contains the instructions to construct other components of the cell, such as proteins and RNA molecules.
Hope this helps!! ;)
DNA controls the cell by determining what protein are synthesized by the cell. Thus, the correct option is D.
What is Translation?Translation is the process of synthesis of proteins from the mRNA (messenger RNA) of the cell. This process occurs in the ribosome of the cell. In this process, the mRNA produced from the DNA encodes amino acids which join together to form large polypeptide and protein molecules.
mRNA are produced from DNA through the process of transcription. Transcription occurs in the nucleus of the cell. Through this process, DNA produces a sequence of mRNA which is complementary to it. This mRNA determines what proteins will be synthesized by the cell.
Therefore, the correct option is D.
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why is tidal flow considered a reliable and consistent energy source ?
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4. Marijuana may interfere with long term memory
True
False
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Answer:
true
Explanation:
Answer:
that could be true
Explanation:
What moon phase will the moon be in on Halloween 2020?
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Answer:
The full moon that will be visible on Oct. 31 is called the blue moon because it's the second full moon of the same month -- following the harvest moon of Oct. 1 through Oct. 3.
Explanation:
Translation occurs in the ribosome and is important because
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Answer: Translation takes place inside structures called ribosomes, which are made of RNA and protein. Ribosomes organize translation and catalyze the reaction that joins amino acids to make a protein chain. A ribosome is shown with mRNA and tRNA.
Explanation:
Hope it helps you if not sorry
7. What is a benefit of selective breeding in agriculture?
A. Selective breeding can create new types of plants that are more desirable for food.
B. Selective breeding can alter plants on which other animals depend for food.
C. Selective breeding reduces the variety of plants available for food.
D. Selective breeding removes all forms of disease from plants used for food.
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Answer:
im my opinion... the answer is A
How can the Swartz process be modified to work for bacteria? Explain
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Answer:
Explanation: Alkyl chlorides and alkyl bromides are typically transformed into alkyl fluorides in the organic reaction known as the Swarts Reaction.
Swartz reaction?
Frederick Jean Edmond Swarts first reported this procedure in 1892. Heating the alkyl chloride or alkyl bromide in the presence of heavy metal fluorides like AGF, Hg2F2, CoF2, or SbF3 causes this reaction.
Swartz process can be used to modify work for bacteria. Bacterial biofilms are collections of microorganisms where the cells are immersed in an extracellular polymeric matrix that the bacteria have self-produced.
In contrast to planktonic bacteria, which are in a state of free movement in a bulk solution, this situation is very different.
Applications:
In this process, alkyl fluorides are created.
Fluorinated aliphatic organic molecules, or Freons, are produced via a different variation of the same process.
Anhydrous hydrogen fluoride is fluorinated to produce Freons in the presence of antimony salts, which exhibit the oxidation states +3 and +5.
Therefore, Alkyl chlorides and alkyl bromides are typically transformed into alkyl fluorides in the organic reaction known as the Swarts Reaction.
Which correctly lists the two elements that make up the empty space in the universe?
A. ice and debris
B. debris and dark matter
C. dark matter and dark energy
D. dark energy and dust
HURRRY PLEASEE
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Answer:
D | Dark Matter and Dust.
Explanation:
Answer:
The correct answer is choice D.
Explanation:
In the empty room, the universe is gases and ashes. Even though humans think the exterior universe's blank space is nothing more than empty. Fortunately, the plasma form of its hydrogen and helium gases, including the various types of dirt and debris, occupy this void vacuum.
suppose the parents indicated in the interactive produced 192 peas . determine the expected number of yellow and wrinkled offspring.
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The expected number of yellow and wrinkled offspring are 108 each.
To determine the expected number of yellow and wrinkled offspring,
we need to use the Punnett square and the principles of the Mendelian genetics.Here are the given terms for the question:
P: dominant (yellow), recessive (green)F1: yellow (Yy), green (yy)F2: yellow (YY, Yy), green (yy)R: dominant (round), recessive (wrinkled)
F1: round (Rr), round (Rr)
F2: round (RR, Rr), wrinkled (rr)
Now let's solve the problem:
Given that the parents produced 192 peas (F2 generation). Since we know that pea plants have 2 alleles for each trait, one from each parent, let’s assume that the parents were both heterozygous for each trait. Therefore, we can assume the following genotypes:
YyRr x YyRr
To find the expected number of offspring, we need to use the multiplication rule of probability.
Thus, we have:
Possible gametes: YR, Yr, yR, yr (each parent produces 4 types of gametes)
Number of F2 offspring: 192
Expected number of yellow offspring:
Probability of YY = 1/4 x 1/4 = 1/16
Probability of Yy = 1/4 x 1/2 x 2 = 1/4
Probability of yy = 1/4 x 1/4 = 1/16
Expected number of yellow offspring = (1/16 x 192) + (1/4 x 192) + (1/16 x 192) = 48 + 48 + 12 = 108
Expected number of wrinkled offspring:
Probability of RR = 1/4 x 1/4 = 1/16
Probability of Rr = 1/4 x 1/2 x 2 = 1/4
Probability of rr = 1/4 x 1/4 = 1/16
Expected number of wrinkled offspring = (1/16 x 192) + (1/4 x 192) + (1/16 x 192) = 48 + 48 + 12 = 108
Therefore, the expected number of yellow and wrinkled offspring are 108 each.
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Radiation, such as X-rays, or mutagenic chemicals can cause mutations and cancer. Which of the statements correctly describes their effect on mutations in genes?
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Answer:
Radiation and mutagenic chemicals increase chances of random mutations in genes.
Explanation:
Mutations in genes are random changes that can’t be steered by an external mechanism. However, radiation and chemical substances called mutagens may affect the rate of these mutations and significantly increase the number of random mutations.
Record your observations of normal behavior of the fish. a. Swimming movements: _________b. Gill cover movements: ________c. Mouth movements:_________
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Fish move across the water by bending their bodies. The muscles on the other side of the body are relaxed by the muzzles on the fish stretches. The skin-covered gills flaps aid with oxygen concentration during movement, and the mouth takes in oxygen.
Water contains dissolved oxygen and carbon dioxide, and the majority of fish exchange this gas through their gills. In order for the exchange of gasses to take place, water inhaled constantly through the mouth travels backward between the gill bars and over the gill filaments. In teleosts and many other fish, the gills are shielded by a gill cover, but in sharks, rays, and some of the oldest prehistoric fish species, the gills are shielded by flaps of skin. In order to absorb oxygen from the water and release extra carbon dioxide into the water, the blood capillaries in the gill filaments are situated near the gill surface.
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the _______ of light determines its color
Answers
Answer:
Wavelength
Explanation:
Answer:
1. The wavelength of light determines its color. 2. Chemicals that absorb light are called Pigments.
Explanation:
you are desighing a new product that requires the use of stable honreactive gas which gas would be most suit able
Answers
Answer:
Noble Gases
Explanation:
Noble gases are the most stable due to having the maximum number of valence electrons their outer shell can hold.
Gases such as Helium, Neon, Krypton and Xenon.
Answer:
Noble gases or Neon
Explanation:
Just did the test
all peptide hormone synthesis requires gene activation that produces mrna (true/false)
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True. All peptide hormone synthesis involves gene activation, leading to the production of mRNA. Peptide hormones are synthesized as large precursor molecules known as preprohormones, which are cleaved into smaller prohormones and eventually into mature hormones.
The synthesis and secretion of these hormones are tightly regulated, with the gene activation being a crucial step in the process. Once the gene is activated, mRNA is transcribed from the DNA template, which is then translated into the protein precursor of the hormone. The precursor undergoes further processing and modification before being secreted as a mature hormone.
Peptide hormone synthesis generally requires gene activation to produce mRNA. This is because peptide hormones are typically synthesized by ribosomes that translate mRNA transcripts produced from genes. The genes for peptide hormones are usually activated in response to specific physiological stimuli, such as stress or changes in blood glucose levels, which trigger the release of signaling molecules that activate intracellular signaling pathways. These signaling pathways lead to changes in the activity of transcription factors that bind to specific DNA sequences in the regulatory regions of the hormone genes, leading to the activation of transcription and the production of mRNA. Once synthesized, the mRNA is transported to ribosomes, where it is translated into the peptide hormone by the process of protein synthesis.
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Nag-ipon ng pera si Simor para ibili ng kanyang gustong gustong sapatos subalit nagkasakit ang tatay niya bt walang maipambili ng gamot kinuha niya ang kanyang ipon at binigay sa magulang.
Answers
naawa
Explanation:
bigay sa magulang
Some insect species are resistant to pesticides. Which statement BEST explains this phenomenon? Natural selection resulted in an unfavorable variation for the insects. Because their survival depended on it, the insects developed variations that made them resistant to poisons. Random variation in the population led to a population with a favorable adaptation. Some of the insects became instantly immune when the poisons were introduced into their environment
Answers
Answer:
Random variation in the population led to a population with a favorable adaptation
Explanation:
Insecticide resistance can be defined as an evolutionary process that causes a decreased susceptibility of an insect population to a particular insecticide. The evolution of the insecticide resistance occurs by the mechanism of natural selection, where most resistant insects survive and thus pass on their acquired heritable resistance to their offspring. Moreover, the evolutionary origins of the resistance trait may be associated with different processes: 1-de novo mutations (i.e., the emergence of beneficial genetic changes in the population), 2-standing variation in the original population which is selected under the selective agent (in this case, the pesticide), 3-migration of resistant specimens originally resistant to the pesticide, and 4-even interspecific transfer (i.e., horizontal transfer between different species).
Que son las constelaciones
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REALITY CHECK #4: Which of the following is a scientific statement, and which one is not a scientific
statement?
1. Without sunlight (or comparable artificial light), green plants will die.
2. If you are a "Scorpio", your horoscope for today is "You'll be saying 'I feel rich!'
Lunar position highlights back pay, refunds, correction of accounting error."
Using the idea of "Predictability", how can we determine which statement above is a scientific one?
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Answer:
Hi there!!
Your answer is
1) Scientific statement
Is testable, doesn't include morals nor does it include religion.
2)Not a scientific statement. This is NOT testable and is based off pseudoscience
The four essential elements for life are _______. a. carbon, hydrogen, oxygen and nitrogen b. carbon, hydrogen, oxygen and iron c. carbon, nitrogen, oxygen and magnesium d. iron, nitrogen, oxygen and magnesium
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Answer:
I think its A
Explanation:
why is water pollution a density independent factors?
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Answer:
Any factor in the environment that does not depend on the number of members in a population.
Explanation:
Density independent limiting factors also cause population sizes to increase. For example, the water from a flash flood increases the growth of vegetation, thereby providing more food for primary consumers in the ecosystem.
Which enzyme helps vitamin C to maintain iron (Fe) in a reduced state? a. homogentisate dioxygenase b. trimethyl lysine hydroxylase c. prolyl hydroxylase d. peptidyl glycine e. tyrosine hydroxylase
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The enzyme that helps vitamin C to maintain iron (Fe) in a reduced state is c. prolyl hydroxylase.
Vitamin C, also known as ascorbic acid, plays a crucial role in maintaining the reduced state of iron in the body. This is important because reduced iron is necessary for the synthesis of collagen, a protein that provides structural support for tissues and organs.
The enzyme prolyl hydroxylase is responsible for catalyzing the hydroxylation of proline residues in collagen, which requires the presence of reduced iron.
Vitamin C helps to maintain the reduced state of iron, allowing prolyl hydroxylase to carry out its function and ensuring the proper synthesis of collagen.
Hence, the correct answer to the question is c. prolyl hydroxylase.
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You have two neutrons. How do they interact with one another?
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Answer:
Explanation:
Neutrons have spin 1/2 and therefore obey the pauli exclusion principle, meaning two neutrons cannot occupy the same space at the same time. When two neutrons' wavefunctions overlap, they feel a strong repulsive force.
Both the liver and kidneys are organs of the excretory system. how do the two organs work together to complete a task? a. the kidneys convert nitrogenous wastes into urea, and the liver filters urea from the blood. b. the kidneys filter urea from the blood to make urine, while the liver filters urea from blood to make lymph. c. the liver converts nitrogenous wastes into urea, and the kidneys filter urea from the blood. d. the liver filters urea from the blood and passes it to the kidneys, which eliminate the urea in urine.
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Answer:
a.
Explanation:
The kidney converys Nitrogenous waste into urea, and the liver filters the urea from the blood.
How do the uses of renewable resources compare to the uses of nonrenewable resources?
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Answer:
Renewable and nonrenewable resources are energy sources that human society uses to function on a daily basis. The difference between these two types of resources is that renewable resources can naturally replenish themselves while nonrenewable resources cannot.
The very structured cells may viewed with a light compound microscope.
Are these cells from a Prokaryotic or Eukaryotic organism? Justify your answer.
Are they from an Autotrophic or Heterotrophic organism? Justify your answer.
Answers
Answer:
These cells are Eukaryotic and are autotrophic
Explanation:
These are the cells of onion. An oinion is a plant and because it is a plant it is autotrophic meaning they make their own food. Also plants are eukaryotic which means they have a nucleus.