Answer:
The sum of all the physical and chemical changes that take place within the cells of the human body is known as metabolism.
is this a prokaryotic or a eukaryotic cell. explain
Answer:
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Explanation:
Fossils in _______ layers of rock are generally estimated to be _______ than fossils found in the deeper layers. (3 points) Explain your answer for justification.
older, younger
newer, younger
older, older
newer, older
Answer:
newer, younger
Explanation:
this is the best answer
Answer:
Answer is option (C) older, older.
Explanation:
Fossils found in the older layers of a rock (i.e) that are deposited in a deeper position of the Earth, are usually older when compared with the fossils seen in the upper layers of the rock.
Due to the fact that the fossils get accumulated layer upon layer, the older fossils are seen in the bottom layers of the rock.
How do changes to genes affect the traits of an organism
Changes to genes affect the traits of an organism, as genes have the capability to regulate the organism's function, and the genes can regulate the expression of proteins, which regulate the organism's phenotypic and genotypic expression.
What is the significance of the genes or the traits?Changes in the genes can affect humans in several ways, such as through genetic mutations that result in changes to the regulation of gene expression and result in the addition or loss of entire genes from the organism. Not all of the genetic mutations lead to expressiable changes, but they may change the protein sequence by changing the polypeptide sequence.
Hence, changes to genes affect the traits of an organism, as genes have the capability to regulate the organism's function, and the genes can regulate the expression of proteins, which regulate the organism's phenotypic and genotypic expression.
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The transport of water through a plant depends on roots absorbing water. Roots depend on osmosis to obtain water. In osmosis, water always a. Moves from a high concentration to a lower concentration b. Moves from a lower concentration to a higher concentration c. Moves so that the concentration of water on one side of the cell membrane is higher than on the other side d. Moves until there is no water left on one side of the cell membrane
A certain mutation in the gene for hemoglobin results in the red blood cells becoming sticky,
rigid, and irregularly shaped. These irregularly shaped red blood cells block the flow of blood
throughout the body. A single base mutation is responsible for these irregularly shaped blood cells.
Which of these mutations most likely results in the mutated hemoglobin gene?
F. Insertion
G. Deletion
H. Duplication
J. Substitution
Answer:J
Explanation:Substitution
Mutation in genes can result in different types of abnormalities. In gene related to hemoglobin makes RBCs sticky, irregular shaped, this is because of substitution.
What is substitution?Mutation is a type of replication error during formation of new DNA.
In substitution mutation, incorrect nucleotide is placed at incorrect position during DNA replication, a point mutation occur in which a single nucleotide is substituted.
It actually does not add or remove any nucleotide from the sequence, just it substitute it.
In gene related to hemoglobin, the amino acid glutamic acid gets replaced with the valine amino acid at position 6 in beta-globin, which results in sticky, irregularly shaped red blood cells.
Thus the correct option is J.
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6. What is causing the Earth to become imbalanced with carbon-based molecules.
Answer:
Human activities are causing imbalance of carbon based molecule.
Explanation:
It is the human intervention in the most unavoidable way that is affecting the environmental cycle and one of these cycle is the carbon cycle. Human activities such as burning of fossil fuels, excessive cutting of trees, rising green house effect, use of CFCs etc is hindering the environment process and hence causing imbalance on the earth.
PLEASE HELP ME!!!!
IT IS FOR BIOLOGY!!!
Answer:
B.
Explanation:
If the fish population is decreasing, then there will be a loss in biodiversity, then causing a problem in the ecosystem.
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5.)An ecosystem is made up of __________ and ___________ that live together in an environment.
Answer:
animals and plants
Explanation:
How many active volcanoes in Luzon , Visayas and Mindanao?
Human beings are:
2nd order consumers
1st and 2nd order consumers
producers
1st order consumers
Answer:
1st and 2nd order consumers as they are pretty much all omnivores.
Explanation:
plz can i get brainliest:)
Which change occurs in a fetus during the first trimester?
A. Rapid weight gain occurs.
B. Fingers and toes become well defined.
C. Eyes and ears become fully developed.
D. Central nervous system completes development.
Answer:
D. Central nervous system completes development
Explanation:
PLZ HELP ME
Describe what they are and how it works.
Tidal power
Ocean thermal energy conservation
Hydrogen fuel
Fuel cell
Energy Efficiency: give an example
Hybrids: give an example
Cogeneration
Energy conservation: give an example
Answer:
tidal power
Tidal power or tidal energy is harnessed by converting energy from tides into useful forms of power, mainly electricity using various methods. Although not yet widely used, tidal energy has the potential for future electricity generation. Tides are more predictable than the wind and the sun.
Ocean thermal energy conservation
Ocean Thermal Energy Conversion (OTEC) is a marine renewable energy technology that harnesses the solar energy absorbed by the oceans to generate electric power. ... OTEC uses the ocean's warm surface water with a temperature of around 25°C (77°F) to vaporize a working fluid, which has a low-boiling point, such as ammonia.
hydrogen fuel
Hydrogen fuel cells produce electricity by combining hydrogen and oxygen atoms. The hydrogen reacts with oxygen across an electrochemical cell similar to that of a battery to produce electricity, water, and small amounts of heat. Many different types of fuel cells are available for a wide range of applications
fuel cell
Fuel cells work like batteries, but they do not run down or need recharging. They produce electricity and heat as long as fuel is supplied. A fuel cell consists of two electrodes—a negative electrode (or anode) and a positive electrode (or cathode)—sandwiched around an electrolyte.
Energy Efficiency
Energy efficiency simply means using less energy to perform the same task – that is, eliminating energy waste. Energy efficiency brings a variety of benefits: reducing greenhouse gas emissions, reducing demand for energy imports, and lowering our costs on a household and economy-wide level.
Hybrids
a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction.
Bovid Hybrids. Zubron - hybrid of domestic cattle and european bison
cogeneration
Cogeneration—also known as combined heat and power, distributed generation, or recycled energy—is the simultaneous production of two or more forms of energy from a single fuel source. Cogeneration power plants often operate at 50 to 70 percent higher efficiency rates than single-generation facilities
Explanation:
The heart is a small muscular organ with several chambers that contract to push fluid through. The heart is connected to tube-like vessels, which reach every cell in the entire body.
The structure of the heart enables this organ to
A.
interpret images, sounds, textures, and smells taken in through the sense organs.
B.
provide the strong, rigid framework to which the muscles of the body attach.
C.
pump blood containing nutrients, wastes, and gases throughout the body.
D.
provide an opening through which wastes can pass from the body to the outside.
Answer:
C
Explanation:
That’s the main purpose of the heart
Answer:
touching and touching your re still a charged time but the best way is the best for the kids in meeting the best friends and family members of samruddhi who have not had kept up since they were born
How could humans use less nonrenewable resources?
Answer:
they could use other forms of energy, such as solar or wind.
Explanation:
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Answer:
1) allele for blood type O
2) Allele for blood type B
3) not sure
4) Heterozygous I think
5) I think type B
and 6 not sure
Explanation:
i tried helping as much as i can since ik the stress i hope this helps and my answers MIGHT be wrong but this is what i think it is and what i remember. But what i can infer is that the child will get blood type B since the I is dominant
Which ACTN3 genotype (RR, RX, or XX) would provide these Olympic marathon athletes with an advantage, and why?
Answer:
XX
Explanation:
ACTN3 genotype i.e. XX provides advantage to the Olympic marathon athletes because it strengthens the fiber of the muscles. This gene is also called the gene of speed. This ACTN3 gene has a great influence on the type of fiber that makes body muscles, and they are also linked to strength and endurance so we can conclude that this gene provides benefits to the Olympic marathon athletes by giving strength to the fiber of muscles.
ACTN3 genotype is the gene encoding for the actinin of the skeletal muscle fibres. XX of the ACTN3 genotype will be advantageous for marathon athletes.
What is ACTN3 genotype and XX?ACTN3 genotype is the gene encoding for the protein of the skeletal muscles fibres that are associated with muscular performance. This protein is expressed in the myofibers with a high twitching ability and result in a high-velocity force.
The XX genotype provides strength to the muscles and is the gene coding for the proteins that give speed. They are also responsible for endurance and are beneficial for athletes.
Therefore, XX of the ACTN3 genotype is advantageous for athletes.
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Tom grew three inches in one year. Which organ system was directly responsible for his growth spurt?
A. Respiratory system
B. Digestive system
C. Circulatory system
D. Endocrine system,
Help im stuck on this question
Select the correct answer.
Matt is a student preparing for a test on veterinary science. He wants to know what type of noninfectious disease describes all kinds of
cancerous growths. Which type of disorder includes cancerous growths?
A metabolic
B. neoplastic
C. degenerative
D. genetic
Answer:
b i think i am sorry if am wrong
Explanation:
what countries have the best geo thermal resources
Answer:
Indonesia Philippines Turkey New Zealand Mexico Italy Iceland and the U.S
Explanation:
Please help ASAP!!!
Answer:
hi
Explanation:
Manuodia i think.....
Which of the following pollutants is found in old paint and gasoline and can cause brain damage and learning problems?
A. particulate matter
B. lead
C. coal dust
D. pesticides
Other:
Answer:
Lead
Explanation:............
None
A gene carries the ________ for a trait.
A) Equipment
B) Instructions
C) Materials
D) Protection
Answer:
Materials
Explanation:
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Your lungs take in air through the mouth and nose. Explain how the lungs function in the human body.
A) They coordinate the movement of the heart.
B) They pass oxygen from the air into the blood.
C) They pump the blood throughout the body.
D) They remove carbon dioxide from the air.
Answer:
Your answer would be "B) They pass oxygen from the air into the blood."
Explanation:
They certainly don't coordinate the movement of the heart, so A isn't an option.
The lungs also don't pump blood through the body, that's the hearts job.
And the lungs do not filter carbon out of the air, which eliminates D.
Therefore your answer is B.
The lungs function in the human body by passing oxygen from the air into the blood.
Gaseous exchange in the lungGaseous exchange happens in the lung of humans. Oxygen is exchanged for carbon dioxide.
A mixture of air is taken through the mouth and the nose into the lung. On getting to the lung, the oxygen in the air dissolves on the surface of the lung and enters the blood by diffusion.
In exchange, carbon dioxide in the blood diffuses in the opposite direction and is breathed out.
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define the word corrosion
Answer:
Corrosion is a natural process that converts a refined metal into a more chemically stable form such as oxide, hydroxide, or sulfide. It is the gradual destruction of materials by chemical and/or electrochemical reaction with their environment
Explanation:
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Answer:
the process of corroding metal, stone, or other materials
corroding: destroy or damage (metal, stone, or other materials) slowly by chemical action.
The process of destroying metal, stone, or other materials.
Explanation:
1. 1. What happens during cell differentiation?
Answer:
Cellular differentiation is the process in which a cell changes from one cell type to another. Usually, the cell changes to a more specialized type. ... Differentiation continues in adulthood as adult stem cells divide and create fully differentiated daughter cells during tissue repair and during normal cell turnover.
Two dogs pull on a rope. One dog pulls with a force of 5 N to the left, and the other dog pulls with a force of 3 N to the right. What is the result?
A.The rope remains in place.
B.The rope moves to the left.
C.The rope moves to the right.
D.The rope has a balanced force applied to it.
Answer: It's B because there is more force pulling to the left.
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can someone write 6 interesting facts about renewable energy resources
Answer:
Renewable Energy Produces 5 Times More Jobs Than Fossil Fuels.... China Produces Two Wind Turbines Per Hour.
A single wind turbine will power tens of thousands of homes.
Portugal Powered Their Whole Country Using Only Renewable Energy.... Tech Corporations Are Competing To Be Green Energy Leaders.
Explanation:
study the punnett square below. what percentage of the offspring are heterozygous
Answer:
50%
Explanation:
Heterozygous is when both of the alleles are different. Since AA and aa are the same allele, the other two Aa and Aa have on capital and one lowercse and for that reason they are different and thus heterozygous. Since 2.4 are heterozygous, 50% is the answer.
How does diversity in traits arise over generations? How can we determine the probability that an organism's expressed version of a trait will be passed on to its offspring?
Answer:
Diversity in traits arise over generations through mutation which cause evolution and speciation. We can determine the probability that an organism's expressed version of a trait will be passed onto its offspring through Hardy-Weinberg equilibrium. Hardy-Weinberg equilibrium helps us understand and know genotype and allele frequencies.
Through mutation, which leads to evolution and speciation, diversity in features develops over generations.
What is diversity?The variety of human distinctions that make up diversity includes, but is not limited to, racial or ethnic origin, gender, gender orientation, age, socioeconomic class, physical ability or traits, and political ideas.
Over generations, diversity in traits emerges through mutation, which causes evolution and speciation.
We can calculate the probability that an organism's expressed version of a trait will be passed on to its offspring using the Hardy-Weinberg equilibrium.
The Hardy-Weinberg equilibrium is used to explain genotype and allele frequencies.
Thus, this way, we can determine the probability that an organism's expressed version of a trait will be passed on to its offspring.
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