Answers
People receive their parents' chromosomes, which house their genes. The 23 pairs of the 46 chromosomes that make up the human genome total 46. Chromosomes are paired. One set of each pair of chromosomes—one from the mother and one from the father—is randomly inherited by a child from each parent.
Genes serve a variety of purposes.
As parts of genetic material, genes are also units of inheritance.
They regulate the phenotypes or morphologies of individuals.
Cell division requires the replication of genes.
Hereditary information is passed down from one generation to the next through genes.
Here are five genetics-related facts.Genetics: Interesting Facts
About 90% of the genetic material in mice and 98% in chimpanzees is shared by humans. A nearly complete copy of the human genome is found in every cell of the body. Both our mother and father contribute 23 chromosomes to us. Genes can be passed down to cause some diseases.
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Related Questions
What makes up the mantle
Answers
2. At what temperature did the prodigiosin-producing genes express in the S. marcescens culture? From the experiment you conducted in this lab, what evidence can you provide to support your claim?
Answers
Answer:
The temperature is the key factor for prodigiosin production. It has been shown that , S. marcescens can produce this kind of pigment at about 25 °C, which however could not produce the pigments at elevated temperatures, especially till 37 °C
Explanation:
What would the most accurate model for the theory of evolution look like?
Answers
Answer:
Comparing DNA
Explanation:
Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor.
this molecule is split into oxygen
protons, and electrons during light
dependent reactions is called?
Answers
Answer:
Oxygen and hydrogen ions are also formed from the splitting of water. To replace the electron in the reaction center, a molecule of water is split. This splitting releases an electron and results in the formation of oxygen (O2) and hydrogen ions (H+) in the thylakoid space.
A muscle that assists the muscle that is primarily responsible for a given action is a(n):__________
a. synergist
b. originator
c. agonist
d. levator
e. antagonist
Answers
Answer:
A.
Explanation:
Synergist muscles are those muscles in body that helps or are responsible to help the same set of joint in action. They tend to serve as agonist. This muscles helps to act or produce action around a moveable joint.
An example of synergist muscle is biceps brachii that helps to perform actions in forearm flexion. a synergist can also serve as a fixator at the muscles origin.
Therefore, the correctanswer is option A.
Nerve cells that direct muscles and glands are known as ____________________ neurons. Nerve cells that carry information (pain, temperature, etc) from the body to the brain are called ____________________ neurons.
Answers
Answer:
1.Effectors/motor neurons
2. sensory
Nerve cells that direct muscles and glands are known as motor neurons, nerve cells that carry information (pain, temperature, etc.) from the body to the brain are called sensory neurons. Sensory neurons sense the stimulus that our body gets from the external environment.
What are the different types of neurons?Neurons make up the nervous system that conducts the impulse from the original site to the brain and spinal cord, and the neuron can either be a sensory or motor neuron. The nerve cell in a sensory neuron is stimulated by pain or temperature and converts it into an impulse that travels from the site of the organ to the spinal cord and brain, and after receive it, the action is sent to the effector organs. These muscles and glands respond to stimuli by producing actions.
Hence, Nerve cells that direct muscles and glands are known as motor neurons, nerve cells that carry information (pain, temperature, etc.) from the body to the brain are called sensory neurons.
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Illustrations of four antlers from four specimens in a population of moose, along with other data, are provided in the table. To support
antlers, male moose must expend large amounts of energy stored up from food. All other factors being equal, male moose with which
antlers are best adapted to survive a particularly cold and barren winter?
Answers
Answer:
moose C
Explanation:
All the other factors being equal, male moose with which antlers are best adapted to survive a particularly cold and barren winter. Thus, the correct option is C.
What are Adaptations?Adaptation is the physical or behavioral characteristic of an organism which helps an organism to survive better in the surrounding environment they live in. Living things are well adapted to the habitat in which they live in. This is because they have special features which help them to survive better in the surrounding.
If all the other factors are being equal, male moose with which antlers are best adapted to survive a particularly cold and barren winter condition is the one mentioned in C with width of 66cm, height of 20cm, and mass of 9 kg.
Therefore, the correct option is C.
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For which of these questions could a testable hypothesis be developed? Check all that apply.
Does the width of a rubber band affect how far it will stretch?
How does the thickness of a material affect insulation?
Which of Nikola Tesla's inventions was the coolest?
Do all objects fall to the ground at the same speed?
Which laboratory experiment is the most fun?
Answers
The following are the questions in which a testable hypothesis be developed:
Does the width of a rubber band affect how far it will stretch?How does the thickness of a material affect insulation?Do all objects fall to the ground at the same speed?Thus, the correct options are 1, 2, and 4.
What is Hypothesis?A hypothesis may be defined as a proclamation or group of information which is mandated to be experimented with using an investigation procedure.
The width of the rubber is a variable quantity that can be measured, observed, and recorded in the conclusion. Similarly, the thickness of the material is also varied with respect to certain terms and conditions, and hence can be measured observed, and recorded in the experimental data.
Therefore, it is well described above.
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Answer:
person on top is right its 1 2 and 4
Explanation:
Chemosynthesis relies on which energy source? (1 point)
Olight
O thermal
O nuclear
O chemical
Answers
Olight
O thermal
O nuclear
O chemical
Answer- chemical
Chemosynthesis relies on chemical energy as its energy source. Therefore, option (C) is correct.
What is chemosynthesis?Chemosynthesis is a process by which certain organisms, such as certain bacteria and archaea, use energy obtained from chemical reactions to produce organic compounds. This process is similar to photosynthesis, but instead of using light energy, chemosynthesis relies on energy from chemical reactions.
In chemosynthesis, organisms use chemical compounds such as hydrogen sulfide, methane, and ammonia as sources of energy. These compounds can be found in environments such as deep-sea hydrothermal vents, where they are released from the Earth's crust. Organisms that use chemosynthesis to produce energy are called chemotrophs.
Chemosynthesis is important for the ecosystem in environments where sunlight is limited, such as in the deep ocean. Chemosynthetic organisms form the base of the food chain in these environments, providing energy for other organisms that cannot produce their own food through photosynthesis.
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FILL IN THE BLANK The codon for methionine (Met) is _____, the anticodon is _____, and the coding strand of DNA will read _____.
Answers
The codon for methionine (Met) is AUG, the anticodon is UAC, and the coding strand of DNA will read ATG.
Scientists classify organisms because
Answers
Answer:
Scientists classify living things in order to organize and make sense of the incredible diversity of life.
Explanation:
Modern scientists base their classifications mainly on molecular similarities. They group together organisms that have similar proteins and DNA. Molecular similarities show that organisms are related.
Answer:
The above pic might help you :)
why do you think farmers might want these owls living in and around their barns?
Answers
Answer: They are natural predators of gators and voles, which may be extremely damaging agricultural pests.
Explanation:
Is it a scientific theory or a scientific law that the characteristics of living things change over time?
Answers
Answer:
Scientific Theory
Explanation:
The statement "the characteristics of living things change over time" refers to the concept of biological evolution, which is widely accepted as a scientific theory in the field of biology. In scientific terms, a theory is a well-substantiated explanation of a natural phenomenon that is supported by extensive evidence, experimentation, and scientific consensus. The theory of evolution, proposed by Charles Darwin and further developed over time, provides a comprehensive explanation for the diversity and change in the characteristics of living organisms. It is supported by a vast body of evidence from various scientific disciplines, including genetics, paleontology, comparative anatomy, and molecular biology.
In contrast, scientific laws describe observable patterns or regularities in nature that are often expressed as mathematical equations or principles. Laws, such as Newton's laws of motion or the laws of thermodynamics, describe specific relationships or behaviors in the physical world.
Therefore, the statement about the characteristics of living things changing over time aligns with the theory of evolution, rather than being described by a scientific law.
Hope this helps!
I need a chemical energy concept map
Answers
Answer:
do it yourself. because practice make a men
perfect
The ozone has been depleted (reduced/ damaged) by many man-made chemicals that have been released into the atmosphere. If the presence of these chemicals continues to stay the same (or increase), it is reasonable to predict that
A organisms would develop higher rates of asthma.
B all life on Earth would eventually freeze.
C freshwater would become salt water.
D more ultraviolet radiation would penetrate to Earth's surface, furthering current global warming trends.
Answers
Answer:
More ultraviolet radiation would penetrate to Earth's surface, furthering current global warming trends.
How does the nervous system help the urinary system in excretion
Answers
Answer:
For the urinary system to do its job, muscles and nerves must work together to hold urine in the bladder and then release it at the right time. Nerves carry messages from the bladder to the brain to let it know when the bladder is full.
Explanation:
what is the characteristic of the cell jn the epidermis of the skin?
Answers
Answer:
Keratinization is seen in the epidermis. Cells in the stratum corneum are essentially just bags of keratin.
1.La energía es la capacidad de un cuerpo para producir trabajo.
2.La energía se clasifica solamente en renovables.
3.Las ondas se pueden propagar en un medio o un espacio vacío.
4. Las ondas se pueden clasificar en longitudinales y transversales.
5. La energía cinética es aquella que se encuentra en movimiento.
6. El núcleo de la Tierra está formado
por metales, principalmente hierro y níquel, y en menor
cantidad por azufre y oxígeno.
7. La corteza terrestre está compuesta por rocas
8. La contaminación se puede
definir como la presencia o acumulación de sustancias en el medio ambiente
que afectan negativamente el entorno.
9. Los elementos de la tabla periódica se clasifican de acuerdo con sus propiedades y características
similares.
II. Escoge
1. Son fuentes de energías renovables:
2. Son fuentes de energías no renovables:
3. Partes de las ondas:
15. La ciencia que estudia los seres vivos es:
16. En la biotecnología se incluyen las áreas de:
17. Consiste en la liberación de sustancias químicas a la atmósfera que alteran su composición.
18. Se debe a la presencia de desechos en el agua. La contaminación de mares, ríos y lagos se produce por
las actividades del ser humano.
19. Se debe a la acción humana (los residuos y la basura arrojada en cualquier superficie terrestre).
20. Cuando el contaminante es una sustancia química que procede normalmente de los usos industriales.
21. Surge con la emisión de fluidos a elevadascontaminación.
22. La actividad humana produce mucho ruido, y los altos decibelios en un determinado lugar por encima de sus niveles naturales marcan la contaminacion.
Answers
Answer:
La actividad humana produce mucho ruido, y los altos decibelios en un determinó do lugar por encima de sus niveles naturales marcan la contaminación.
Explanation:
Creo que es la respuesta
Pollution has negative effects on plants, animals, and people. Which choice would be least likely to cause water pollution?
Answers
Answer:
plants
Explanation:
because animals can maybe poop or pee on the water .and also people are the same too.so plants are the least likely to cause water pollution
3. What do you think will happen if due to a new disease in a forest ecosystem,
the population of spider monkeys starts to decline? Will other organisms be
affected? How?
Answers
Answer:
The decline of spider monkey populations in a forest ecosystem due to a new disease could have far-reaching consequences for other organisms within that ecosystem. Spider monkeys play a vital role as key arboreal mammals, influencing various ecological processes through their feeding, movement, and seed dispersal activities. Their decline could disrupt the delicate balance of the forest ecosystem and impact other organisms in significant ways.
Explanation:
Disruption of Seed Dispersal: Spider monkeys are important seed dispersers, as they consume a variety of fruits and disperse the undigested seeds through their feces. With a decline in spider monkey population, there would be a reduction in their seed dispersal activities. This could lead to a decrease in the number of new trees and plant species being established in the forest, affecting forest regeneration and diversity.Predatory Effects: Spider monkeys are prey for various predators, such as large birds of prey, jaguars, and other carnivorous mammals. A decline in spider monkey populations could affect the predator-prey dynamics in the ecosystem. Predators that rely on spider monkeys as a food source may experience a decline in their own populations or need to switch to alternative prey, which could impact the population dynamics of those species.Trophic Cascade: Spider monkeys also contribute to a trophic cascade effect in the ecosystem. As they consume fruits and disperse seeds, they influence the abundance and distribution of plants, which in turn affects other organisms dependent on those plants. The decline of spider monkeys could disrupt this cascade, altering the abundance of plant species and subsequently impacting herbivores, insects, and other organisms that rely on those plants for food and habitat.Overall, the decline of spider monkeys in a forest ecosystem due to a new disease would have cascading effects on the ecosystem's structure and function. It could lead to reduced plant diversity, changes in predator-prey dynamics, and alterations in the abundance and distribution of various organisms within the ecosystem. These impacts highlight the interconnectedness of species in ecosystems and emphasize the importance of preserving and protecting biodiversity for the overall health and stability of ecosystems.
How can a change in DNA sequence result in a change in phenotype?
Answers
All mutations will result in a change in phenotype, regardless of whether the DNA sequence, amino acid sequence, or mRNA sequence altered.
How does your phenotype result from your DNA sequence?An organism's hereditary genes determine its phenotype, or physical characteristics and behaviours. Genes are specific DNA sections that encode for the creation of proteins and specify unique features.
How is the phenotypic impacted by a Genetic change?New phenotypes are rarely created. Mutations may be inherited and hence transmitted from one person to another. If a mutation produces a novel phenotype that makes an organism more suited to a certain environment, it can swiftly change the attributes of the individuals in a species.
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Which of the following best describes the hydrolysis of carbohydrates
Answers
Answer:
The addition of a water molecule breaks a covalent bond between sugar monomers
Explanation:
The digestion of carbohydrates by enzymes is an example of a hydrolysis reaction.
Carbohydrates are chains of monosaccharides. Hydrolysis involves the addition of a water molecule that cleaves the covalent bond between the molecules of sugar.
The reverse reaction is a condensation reaction, the joining of sugar monomers to create a carbohydrate releases a molecule of water.
Which step measures the concentration of the reaction product?
A. Spectrophotometer
reading
B. Centrifugation
C. Addition of TCA
D. All of the options are correct
Answers
Centrifugation is a mechanical process which involves the use of the centrifugal force to separate particles from a solution according to their size, shape, density, medium viscosity and rotor speed.
Trichloroacetic acid (TCA) precipitation of proteins is commonly used to concentrate protein samples or remove contaminants, including salts and detergents, prior to downstream applications such as SDS-PAGE or 2D-gels. TCA precipitation denatures the protein, so it should not be used if the protein must remain in its folded state (e.g., if you want to measure a biochemical activity of the protein).
Determining the protein concentration in your sample is an important step in any laboratory workflow that involves protein extraction and/or analysis. Knowing how much protein you have can help you compare results from one protein to another and from one experiment to the next.
PLEASE HELP ME ITS FOR 17 POINTS!!!!!!!!!!!!!!!!!!!!
A forest area is being used for a new housing development. Most of the trees have been removed to make room for the
new houses. Predict the impact that this will have on the birds in the area.
The bird populations will stay the same because humans love birds.
The bird populations will decrease because humans see them as pests.
© The bird populations will increase because humans do not interfere with wild animals.
The bird populations will decrease due to competition for resources such as food and nesting sites.
Answers
Answer:
The bird populations will decrease due to competition for resources such as food and nesting sites.
Explanation:
Their food and habit is being taken away so they will have to compete. I hope this helps you! :)
Possible Brainliest? You don't have to if you don't want to!
HELP! WILL GIVE BRANLIEST!
(Both questions 17 and 18)
EXTRA POINTS TOO
Answers
Answer:
For question 18 i think the answer is (B) becasue the cell membrane is the wall of a cell and so in a bank it would be the security guard. Then for question 17 its either B or C.
Explanation:
How are climate change and global warning related?
Answers
Climate change is the increasing changes in the measures of climate over a long period of time.
This includes : precipitation, temperature, and wind patterns.
Hopes this helps :)
Answer:
global warming is a part of climate change
Explanation:
climate change refers to the way that climate is changing on earth this can be global warming or also cooling
2. dependence problems.
narcotic
illegal drug
Answers
narcotic are illegal drugs is a true statement.
Option A is correct
What are narcotic?The term narcotic originally referred medically to any psychoactive compound with numbing or paralyzing properties
Chemicals with an intense physiological effect, such as drugs and psychoactive chemicals, modify brain function and momentarily affect perception, mood, and feelings.
Due to their detrimental effects on the body and human health, drugs are outlawed in the majority of nations around the world. Heroin and cocaine, which are deadly narcotics, cause the most severe addiction.
Drug dependence results in both physical and mental dependence.
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Complete question:
. Narcotics are illegal drugs
A. O True
B. O False
how does carbon dioxide affect the ecosystem
Answers
As a greenhouse gas that absorbs heat, CO2 raises the temperature of the atmosphere. We refer to this as global warming. The glaciers will melt more quickly as the world's temperature rises, raising sea levels and bringing on disaster. More power is consumed for air conditioning as the temperature rises, which further raises the air's CO2 level.
Since coal is the primary fuel utilized in the creation of power. This creates a vicious cycle.
N a culture of bacteria, a sample is taken at 10:00am and contains 1000 cells per ml. A second sample at 8:00pm has 10,000 cells per ml. What is the generation time ?
Answers
The generation time of the bacteria in the following culture is approximately 3.01 hours.
To determine the generation time of bacteria, we can use the formula:
Generation time (t) = (Time elapsed (T) / Number of generations (n))
In this case, we have a time difference of 10 hours between the two samples.
To calculate the number of generations, we can use the formula:
Number of generations (n) = log(N₂ / N₁) / log(2)
Where N₂ is the final cell count (10,000 cells/ml) and N₁ is the initial cell count (1,000 cells/ml).
Plugging in the values, we get:
Number of generations (n) = log(10,000 / 1,000) / log(2) ≈ 3.32
Now, we can calculate the generation time:
Generation time (t) = Time elapsed (T) / Number of generations (n)
Generation time (t) = 10 hours / 3.32 ≈ 3.01 hours
Therefore, the generation time of the bacteria in this culture is approximately 3.01 hours.
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Please answer the questions that have “type here”
Earth science
Answers
Answer:
#4 - the lower the pressure the higher the altitude
#12- Light from the Sun passes through the glass roof to heat plants and the ground inside the greenhouse. These objects then emit infrared radiation, which is absorbed in the glass roof. Thermal energy is trapped in the greenhouse, keeping the building warm.
#13 - acid rain
#14- 10 and 25
#15- clouds, weather, etc
Explanation:
I had to find and watch the video to fill out the ones you put "type here". Hope my answers help you. And pls give me a Brainliest. Thank you.