Answer:
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Explanation:
hnkkiuhhgggghsjisiehebhejejs
Which of these statements is correct about a scientific law?
a It describes specific relationships which change over time.
b It describes specific relationships under given conditions.
с It offers an explanation of specific relationships under given conditions.
d It offers an explanation of specific relationships which change over time.
Answer:
C. It offers an explanation of specific relationships under given conditions.
Explanation:
We base scientific laws on our observations of phenomena that happen in nature. We explain these phenomena with valid arguments without arguments that can refute these arguments. When there is a law established in science it describes an unalterable and constant relationship between variables.
Photosynthesis uses energy from the Sun to make sugars such as glucose. What has to happen to the glucose before it can be used by plant cells?
A The glucose combines with another sugar to make usable energy.
B The glucose combines with oxygen to make usable energy.
OC The glucose combines with carbon dioxide to make usable energy.
OD Nothing has to happen to the glucose. Plant cells can use it as is.
Answer:
Respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy. This energy is used to fuel growth and all of the normal cellular functions.
D Nothing has to happen to the glucose. Plant cells can use it as is.
What happens to the glucose produced by plants?Glucose produced by photosynthesis is a simple sugar that is used by plant cells as a source of energy and as a building block for other organic compounds. The glucose can be transported within the plant and used directly by cells as a source of energy through cellular respiration.
In cellular respiration, glucose is combined with oxygen to release energy in the form of ATP (adenosine triphosphate), which is used to fuel various cellular processes. So, there is no need for glucose to undergo any additional chemical reactions before it can be used by plant cells.
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Mutated DNA sequences that can be passed from parent to offspring -
A.occur in gametic cells
B.occur in somatic cells
C.only occur if the parent is exposed to harmful substances
D.are rejected during meiosis
Answer:
A.occur in gametic cells
Explanation:
gametic=sex cells
Please help i have no idea.
Natural Selection helps save organisms in a population that have poor adaptive traits, and are not thriving.
True
False
Answer:
true!
Explanation:
natural selection: (definition) the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution
the accompanying map shows part of North America the arrow shown on the map most likely represent the direction of movement of
The arrow on the map most likely represents the direction of movement of B, the prevailing northeast winds.
What makes it northeast winds?This is because the arrow is pointing to the northeast, which is the direction from which the prevailing northeast winds blow in North America. The prevailing northeast winds are a major factor in shaping the climate of North America, bringing cold air from the Arctic in the winter and warm air from the Gulf of Mexico in the summer.
Earth's rotation is from west to east, so the arrow would be pointing to the southwest. The Atlantic Ocean hurricanes move in a variety of directions, depending on the season and the strength of the storm. Ocean conduction currents move in a variety of directions, depending on the temperature and salinity of the water.
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What is an advantage of this type of reproduction? A. It allows a species to avoid harmful mutations. B. It enables a species to increase its genetic variability. C. It allows a species to withstand long periods of unstable environmental conditions. D. It enables a species to rapidly populate an environment that has favorable conditions.
Answer:
I think C
Explanation:
The components that make up the genetic code are common to all organisms. If a segment of a gene contains 27 nucleotides, none of which are stop or starts codons, how many amino acids does this segment code for?
Answer:
9 amino acids
Explanation:
A segment of a gene that has 27 nucleotides will code for 9 amino acids.
Each codon on the gene potentially represents an amino acid and a codon is made up of 3 nucleotides each. Hence, in order to find out the total number of amino acids that a gene segment with 27 nucleotides can code for, the number of nucleotides should be divided by 3.
number of amino acids = number of nucleotides/3
27/3 = 9 codons/amino acids
would the answer be B?
Answer:
yes it should be B.
How did Lucy's pelvic, hip, and leg bones provide more evidence she walked upright?
Pls help meh...
Some illnesses and harmful infections are caused by bacteria. These bacteria grow in the human body and often make people sick with symptoms like coughing, sneezing, and fever. These illnesses are not related to any genetic mutations or other problems with DNA.
Why would gene therapy fail to cure illnesses caused by bacteria?
Gene therapy reduces symptoms but never cures illnesses.
Gene therapy does not work on most people.
Gene therapy only focuses on replacing mutated genes.
Gene therapy is too long a process.
Answer:
Genes go brrrrrrrr
Explanation:
The answer is C because gene therapy is used to knock out, replace, or remove the mutated genes.
Answer: The answer is C
Gene therapy only focuses on replacing mutated genes. purrr love your fav barb
Explanation:
HELP PLEASE!!
help me match each vocabulary!!
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the five pairs of ribs that do not
attach directly to the sternum
Answer: the false ribs. Which are the lower ribs.
Explanation:
Which of the following is the type of cell division by which somatic cells divide?
Meiosis
Mitosis
Oogenesis
Spermatogenesis
What role does respiration play in the cycling of carbon?
a) it releases carbon dioxide gas that was once part of living cells into the atmosphere
b) it removes carbon dioxide from the atmosphere and fixes it into organic compounds
c) it releases as much carbon dioxide as it takes in so it has no overall role in the cycle
d) it takes in carbon dioxide from the atmosphere and uses it to build sugars
Answer:
The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Type the correct answer in the box. Spell all words correctly
What is converted to electricity at geothermal power plants?
At geothermal power plants, ________ is converted to electricity?
At geothermal power plants, Heat is converted to electricity.
Heat is converted into electricity, in geothermal power plants. Therefore, the correct word to fill in the blanks is heat.
What are geothermal power plants?The geothermal power plant uses heat from the earth and converts it into electricity by generating steam. There are three types of geothermal power plants and that are direct dry steam, binary cycle, and flash steam.
They are a great source of energy, and these plants are expanding day by day. There are also some disadvantages of geothermal power plants, they are dependent on the location, they are very costly, and can damage the surface, where they are installed. They also use water for cooling and re-injection.
Therefore, the complete sentence is "At geothermal power plants, heat is converted to electricity".
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Need immediately please #6-9
Answer:
6) 9
7) 3
8) 3
9) 1
hope this helps you!
What is the one difference between the head and tails of a phospholipid in the cell membrane?
The head is repelled by water and the tails are attracted to water.
The head transports waste material and the tails transport ions.
The head transports ions and the tails transport waste material.
The head is attracted to water and the tails are repelled by water.
In the cell membrane phospholipids have a head and tail, the head having groups that are hydrophilic to water and the tails are hydrophobic in nature, hence option d is correct.
What is a phospholipid cell membrane?A phospholipid has a head and a tail. The phosphate group is located in the "head" of the molecule, which is hydrophilic, which means it will dissolve in water.
The "tail" of the molecule is made up of two hydrophobic fatty acids that do not dissolve in water. The heads (phosphate) are polar, but the tails (lipid) are non-polar.
The heads, which compose the exterior and inner linings, are "hydrophilic" (love water), but the tails, which face the cell membrane's interior, are "hydrophobic" (water-fearing) The phospholipids are the most prevalent membrane lipids.
Therefore due to the hydrophobic nature of the tail and the hydrophilic nature of the head, hence option d is correct.
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Why is the sunset red or orange?
Answer:
According to the science magazine Scientific American, the sunset is reddish because, when the sun is setting, the light that reaches you has had to go through lots more atmosphere than when the sun is overhead, hence the only colour light that is not scattered away is the long wavelength light, the red.
Answer:
becuse of the atompsphere
Explanation:now if you was to be in space you would see that thee is orange at the crust on our planet and that it reflecting on the sun
explain how photosynthesis and cellular respiration work together
Answer: Photosynthesis makes a storable energy source, while respiration converts for individual cells. But because of photosynthesis and cellular respiration, energy from the sun is converted into a ATP that fuels the work of plant cells. Photosynthesis and respiration are both things that depend on each other. They both make what the other needs.
Explanation: Hope this helps have a wonderful rest of your day.
explain why wolves and other animals mark territory and use aggression.
Answer:
Dominance
Explanation:
animals mark and become aggressive for dominance over one another and to protect their own
Which statement best describes a population that competes for reproductive purposes?
A cell going through meiosis changes as it divides. Which process is most important for producing
haploid cells?
Group of answer choices
independent assortment
reduction division
synthesis
crossing over
Answer:
Reduction DivisionExplanation:
Reduction division is the process that is most important for producing haploid cells during meiosis. Therefore, option (B) is correct.
What is meiosis?Meiosis is a type of cell division that occurs in sexually reproducing organisms. It involves two successive divisions (meiosis I and meiosis II) that result in the production of four daughter cells, each with half the number of chromosomes as the parent cell. This reduction in chromosome number is known as "reduction division."
Reduction division is important because it ensures that the daughter cells produced by meiosis have the correct number of chromosomes. In organisms that have a diploid number of chromosomes (such as humans, which have 46 chromosomes), the daughter cells produced by meiosis have a haploid number of chromosomes (23 chromosomes). These haploid cells can then combine with other haploid cells during fertilization to form a new diploid organism.
Independent assortment, synthesis, and crossing over are also important processes that occur during meiosis, but they do not directly produce haploid cells. Independent assortment refers to the random distribution of chromosomes to daughter cells during meiosis I. Synthesis is the process of DNA replication, which occurs prior to meiosis. Crossing over is a process that occurs during meiosis I in which chromosomes exchange genetic material, leading to genetic diversity in the daughter cells.
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all you need is in the photo
Answer:
Im pretty sure it's C? Maybe it's D though.
The picture below shows a club hitting a golf ball. Why does the golf ball move when the club strikes it?
_______ is an inheritance pattern in which a trait is controlled by many genes. I WILL GIVE BRAINLIEST PLZ HELP
Need to fill in the charts with the r , plz help needed immediately!!!
Answer:
Top Left: RR
Top Right: rR
Bottom Left: rR
Bottom Right: rr
HELP
7. What is a solvent? What is a solute? What is the difference between the two?
Answer: The substance that dissolves us solvent, solvent is the substance where the salute will dissolve
Explanation:
Which processes are best explained by the theory of plate tectonics?
Answer: don't mind this
Explanation:
Answer:
Earthquakes and volcanic eruptions
Explanation:
Your welcome!
