Answer:
Mitochondrial DNA is the small circular chromosome found inside mitochondria. The mitochondria are organelles found in cells that are the sites of energy production. The mitochondria, and thus mitochondrial DNA, are passed from mother to offspring.
What will be the result offspring of plants with homozygous tall and heterozygous tall?
When a heterozygous tall (Tt) crosses with a homozygous tall (TT), 50% of the offspring are homozygous tall and 50% are heterozygous tall.
When the same alleles of a gene are found on both homologous chromosomes, a cell is said to be homozygous for that gene.
A person who has two copies of the allele that codes for the dominant characteristic is said to be homozygous-dominant for that trait. This allele, which is sometimes referred to as the "dominant allele," is typically denoted by the uppercase version of the letter used for the associated recessive characteristic (such as "P" for the dominant allele producing purple flowers in pea plants). An organism's genotype is symbolized by a doubling of the trait's symbol, such as "PP," when it is homozygously dominant for that trait.
When a diploid organism's cells have two distinct alleles of a gene—one wild-type allele and one mutant allele—they are said to be heterozygous at that gene locus.
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What is another name for the tRNA?
Answer:
rRNA and mRNA
Explanation:
Which two of these statements are true about mammals?
Answer:
Give me the options in the comment section and I'll edit this answer with the correct two answers.
Which skin-color-associated, pigment-producing cell is located in the labeled layer D?
Section of the epidermis indicating epithelial layers and cell types.
O Merkel cell
O melanocyte
O keratinocyte
O fibroblast
Answer:
The correct answer is Melanocyte.
Explanation:
Took the test:)
macroscopically visible growths or clusters of microorganisms on solid media are called __________.
The answer is:
Colonies
The same basic internal organs (kidneys, stomach, heart, and lungs) are found in frogs, birds, snakes, and rodents. This is primarily an example of ________.Group of answer choicesinheritance of acquired characteristicsstructural homologydevelopmental homology
The same basic internal organs (kidneys, stomach, heart, and lungs) are found in frogs, birds, snakes, and rodents. This is primarily an example of structural homology
The phrase "survival of the fittest" refers to the process of natural selection, a mechanism that promotes evolutionary development. Natural selection works by favoring individuals who are more suited to a particular set of environmental conditions over those who are not.
Because it brings new variety into the population, mutation is the only method of evolution identified that increases the quantity of genetic variation. Genetic drift is the loss of genetic variation caused by chance over time.
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what is lactose dehydrogenase
Answer:
Lactose dehydrogenase is an enzyme found in most living organisms responsible for the conversion of pyruvate, the end product of glycolysis, into lactic acid.
(a condition that affects how the body breaks down sugar to use as energy in muscle cells. )
Explanation:
Acid precipitation causes the build up
of a specific metal in the soil and
bodies of water that can be toxic to
both animal and plant life. What is
that metal?
Nitrogen or aluminum
Answer:
Aluminum
Explanation:
I just did it on usatestprep
What are examples of genetic and environmental variation?
Examples of genetic and environmental variation
A dog's weight is influenced by both ambient factors, such as what it consumes, and hereditary factors, such as its genes. A sunflower's height is influenced by its genes as well as how much light and water it receives.The variety in DNA sequence seen in each of our genomes is referred to as genetic variation. We are all different from one another in terms of our hair color, complexion tone, and even the form of our features due to genetic variance.
Genes take on various shapes, or alleles, as a result of genetic variation. People with blue eyes, for instance, have one allele of the eye color gene, whereas those with brown eyes will have a different allele of the gene.
It is possible to consider that some genetic control is present in environmental variation (VE), which is variation in phenotype that cannot be accounted for by genetic variation or discernible genetic differences.
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Identify the blood type that can be transfused into anyone.
Answer:
n the United States, the most common blood type is O, followed closely by type A. If you have type O blood, you can only get type O red blood cell transfusions. But you can give your red blood cells to people with type A, B, AB, or O blood, which is why you are sometimes called a universal donor.
A negative: B negative
A positive: B positive
Explanation:
Answer:
O negative (O-)
Explanation:
It's the universal blood type
In which sealed container would the organisms be able to continuously cycle O2 and CO2 gases? A. A terrarium with a plant and a snail B. An aquarium with fish and plastic plants C. A terrarium with tadpoles and a pool of water D. An aquarium with rocks and snails
Answer:
A terrarium with a plant and a snail
Explanation:
This is because snail uses oxygen for cellular respiration and releases carbondioxide as by product.
Where as plants uses carbondioxide exhaled for photosynthesis in the presence of light energy and chlorophyll with water to produce glucose and oxygen. Therefore cycle if oxygen and carbondioxide gases is continuous.
which of the following statements are true about purines and pyrimidines? A)purines have one-ringed base
B) Guanine is a pyrimidine
c) PURINES HAVE TWO-RINGED BASE
D) pyrimidines have a two-ringed base
E) Adenine is a purine
F) Thymine is a purine
G) Uracil is a pyrimidine
H) pyrimidine has a one-ringed base
What can be done to eliminate the dangers of antibiotic resistance that are all over the
world?
Answer:
There are many ways that drug-resistant infections can be prevented: immunization, safe food preparation, handwashing, and using antibiotics as directed and only when necessary. In addition, preventing infections also prevents the spread of resistant bacteria.
Explanation:
PLEASE HELP ME In which kingdom should she classify the organism. Use the picture
Answer: Plantea
Explanation: Because plants have chloroplast.
Answer:
the answer is plantae
Explanation:
because it the one that has all the characteristics
how do genes regulate the cell's Chemistry
Answer:
a variety of genes are involved in the control of cell growth and division. the cell replicates itself in an organized, step by step fashion known as the cell cycle.
Explanation:
tight regulation of this process ensures a dividing cell's DNA is copied properly, any errors in the DNA are repaired and each daughter cell receives a full set of chromosomes.
When calculating heritability in finch beak size using parent/offspring data, we find that 70 percent of the variation in the trait is due to genetics. What might explain the remainder of the variation
The remaining 30 percent of the variation in finch beak size that is not explained by genetics is likely due to environmental factors such as nutrition, disease, and other non-genetic influences. For example, during years when there is a shortage of food or a disease outbreak, beak size may be smaller due to malnourishment or increased mortality of individuals with smaller beaks. Additionally, other factors such as temperature and precipitation can also affect beak size.
THE HERITABILITYHeritability is a measure of the proportion of variation in a trait that is due to genetics. Heritability can be estimated using parent-offspring data, where the similarity of a trait in parents and their offspring is compared. If the heritability is high, it means that the trait is largely determined by genetics, and if the heritability is low, it means that the trait is largely influenced by environmental factors.
In the case of finch beak size, if heritability is estimated to be 70%, it means that 70% of the variation in beak size among finches is due to genetics. However, the remaining 30% of the variation may be due to environmental factors such as:
Nutrition: Beak size can be affected by the availability and quality of food, as well as the timing of food availability. For example, during years when food is scarce, finches may have smaller beaks due to malnutrition.Climate: Temperature, rainfall and other weather conditions can affect the growth and development of the finches and their beaks.Disease: Diseases can affect the growth and development of the beaks, and also can affect the health and survival of the finches.Competition: The degree of competition for food and other resources can also affect beak size.Other non-genetic factors such as random events that happen during development can also play a role.It's important to note that heritability estimates can vary depending on the population and the specific conditions under which the trait is measured.
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Which of the following genotypes is heterozygous?
A. TT
B. AA
C. aa
D. tt
E. Tt
Answer:
E.) Tt
Explanation:
Can i get brainliest im trying to rank up to ace
Answer:
the answer is option (E)Tt.
¿ Que seres vivos permiten los procesos de descomposición en el ciclo del carbono y de fijación, nitrificación y desmitificación en el ciclo del nitrógeno ?
Answer:
Explanation:
What is carbon dioxide’s indirect effect on other species in a marine food chain?
Carbon dioxide (CO2) has an indirect effect on other species in a marine food chain through its role in the process of photosynthesis. Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy, using CO2 and water as reactants. Oxygen is produced as a byproduct of photosynthesis.
In a marine food chain, photosynthesizing organisms, such as algae and seaweed, are primary producers. They form the base of the food chain, providing energy for other organisms, such as herbivores, which feed on them. Higher up the food chain, carnivores feed on herbivores and other carnivores, and so on.
The indirect effect of CO2 on other species in a marine food chain is through its role in photosynthesis, which provides the energy that forms the base of the food chain. If the concentration of CO2 in the water is too high, it can interfere with the process of photosynthesis, leading to reduced growth and productivity of photosynthesizing organisms. This can have cascading effects on the rest of the food chain, as the reduced availability of energy at the base of the food chain can lead to decreased population sizes and reproductive success of higher level consumers.
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The rise in the carbon dioxide dissolved in the waterbodies increases the temperature which results in the acidification of water pH.
What is acidification of the water bodies?Acidification of the water bodies such as lakes, seas, and oceans due to an increase in the concentration of carbon dioxide is known as the acidification of the water bodies. The increase in atmospheric carbon dioxide is due emission of carbon dioxide from various human activities.
This carbon dioxide gets dissolved in the oceans and seas. The average measured pH of the oceans and seas is 8.1 which is alkaline in nature. Due to dissolved carbon dioxide, the pH gets diverted towards the left which is the acidic side.
Therefore, acidification affects marine life.
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Evaluate the structure and function of the respiratory system to allow for passive transport for gas exchange
The respiratory system allows for passive transport for gas exchange as the body receives oxygen from the outside air; Additionally, waste gases such as carbon dioxide and water vapor are released outside the body into the air.
Respiration: The life-sustaining process in which gases are exchanged between the body and the surrounding atmosphere is known as gas exchange. More specifically, oxygen enters the body from the outside air; and waste gases like carbon dioxide and water vapor are released into the air outside the body. The respiratory system is primarily responsible for respiration. The exchange of gas is the other process. This is the biochemical process by which carbon dioxide and other waste gases diffuse from the blood into the air and oxygen diffuses from the air into the blood.
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Which is a property of ultraviolet C (UVC)?
a.
has the longest wavelength
b.
is the least reactive
c.
is the least absorbed by the stratosphere
d.
is the most reflected by Earth's surface
e.
has the most energy
Explanation:
E is the correct answer i.e. has the most energy
Diseña un procedimiento corto que te permita conocer qué tanto ayudan en la conservación de los ecosistemas las personas (máximo 4 pasos) Por favor ayuden me
I need the Answer ASAP PLEASE!!
Answer:
Explanation:
a, since binary means two number. For instance, computers run on binary programming code(1's and 0's).
Answer: D
Explanation: I just took the test
What kind of sex is prohibited in the Bible?
Sex outside of marriage is the kind of sex which is prohibited in the Bible and it is also considered as a sin.
Within Christian circles, it's assumed God only wants us to have sex if we are wedded. Sex outside of marriage is one of the clearest, irrefutable proscriptions in Christianity. If someone have sex outside of their marriage with someone else than it is considered as a great sin.
The Bible's origin is both mortal and godly — not just from God and not just from humans.That single author of Bible was believed to be Moses, the Hebrew prophet who led the Israelites out of prison in Egypt and guided them across the Red Sea toward the Promised Land.
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How do oxygen and carbon dioxide play different roles in the ocean?
In the ocean, For respiration, marine organisms use oxygen, which converts carbohydrates into energy and produces carbon dioxide and water as byproducts.
For marine life, dissolved oxygen and carbon dioxide are essential. Through the process of photosynthesis, marine plants utilize dissolved carbon dioxide, sunlight, and water to produce carbohydrates. The water gets oxygen from this process. All marine organisms respire with oxygen, which breaks down carbohydrates into energy and produces carbon dioxide and water as byproducts. These organs are utilized by fish and other marine animals with gills to extract oxygen from seawater.
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What is a substitution deletion and insertion point mutation?
Insertion mutation occurs when an extra base pair is added to a sequence of bases.
In general, a Point mutation refers to alteration in a single base pair of DNA by substitution, deletion, or insertion of a single nitrogenous base. Most common example of point mutation is sickle cell anemia. that consists of mutation in a single base pair in the beta-globin chain of hemoglobin pigment in the blood cells. Thus, An insertion can involve the addition of any number of nucleotides, that can be a single nucleotide or an entire piece of a chromosome.
An insertion is a point mutation in which one or more base pairs is added to a DNA sequence. Point mutations is further divided into silent mutations, missense mutations, and nonsense mutations.
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6. Prepare a dichotomous key for the five fish in Figure 3.
REMEMBER: 1.) Each step has only two options. 2.) The options should be about the same characteristic.
Instead of ending with the family name for these fish, you should end with the numbers I, II, III, IV, and V. To
help you get started, I have given you the first pair of statements.
1.A.
B.
2.A.
Figure 3.
If the fish has a long, tube like body
If the fish does not have a tube like body
IV
******
The fish has a long tube like body is I and does not have tube like body is II, III, IV, and V based on dichotomous key.
What traits are used to categorize fishes using a dichotomous key?A dichotomous key is a crucial piece of scientific equipment used to distinguish between various species based on their observable characteristics. Dichotomous keys are a set of statements with two options for each stage that guide users to the right identification.
2 A & B. The fish has a pointed mouth is I and does not have pointed mouth is II, III, IV, and V.
3 A & B. The fishes have a flat body shape is II and V and does not have flat body shape is I, III, and IV.
Which three categories of dichotomous keys exist?The nested, connected, and branched dichotomous keys are the three common varieties of dichotomous keys. The answer to each sentence is given in the nested type, nestled immediately next to it. We employ lists of text to identify objects in the linked kinds. To create the dichotomous key in the branched type, we employ a tree diagram.
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Over a period of several hours, a barometer shows rapidly decreasing air pressure. What type of weather will most likely occur next?
Answer:
Explanation:
Normally, when the atmosphere changes. Then the temperature either to reduces or increase. The act of the temperature going up and down then creates the condition that makes us have night and the daytime.
This also causes the change in pressure that gets detected by a barometer.
When the temperature is high, it can form snow. On the other hand, when it's low, it results in rainfall.
When trees lose leaves in the fall, they begin to regrow them again in the spring. Would you say this is an example of a process running in reverse or something else. Explain your reasoning.
Answer using at least 2 complete sentences.
Answer:
The process of trees losing their leaves in the fall and regrowing them in the spring is not an example of a process running in reverse. Rather, it is an example of a cyclical process, in which the tree goes through a period of dormancy during the winter and then becomes active again in the spring. This process is driven by changes in the length of daylight and temperature, as well as other factors such as the availability of water and nutrients.
During the fall, trees begin to prepare for winter by shedding their leaves, which helps them conserve energy and resources. In the spring, as the weather warms up and the days become longer, the trees begin to produce new leaves, which allow them to photosynthesize and produce the energy they need to grow and thrive.
So while it may seem like the process of leaf growth is running in reverse, it is actually a natural part of the tree's life cycle that happens every year.
The tree has a period of dormancy over the winter and then becomes active once again in the spring, which is an illustration of a cyclical process.
How do tree leaves regrow?It is not a case of a process going backward when leaves fall off trees in the fall and grow again in the spring.
Trees lose their leaves in the fall to start preparing for the winter, which helps them save energy and resources.
The trees start to develop new leaves in the spring when the temperature increases and the days lengthen, allowing them to photosynthesize and generate the energy they require to grow and survive.
Therefore, the tree has a period of dormancy, when trees lose leaves in the fall, they begin to regrow them again in the spring is an illustration of a cyclical process.
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In the pasteurization process, microorganisms die when they are
A. crushed
B. poisoned
c. studied
D. heated