Answer:
Photosynthesis happens when water is absorbed by the roots of green plants and is carried to the leaves by the xylem, and carbon dioxide is obtained from air that enters the leaves through the stomata and diffuses to the cells containing chlorophyll.
Explanation:
Post your thoughts on whether or not genetically modifying embryos to produce designer babies is a good or bad idea.
Answer: My
Explanation: I believe that it could end a lot of diseases and issues. It would give parents with hereditary illnesses a chance to have healthy offspring, which could be for certain families. I also believe studies need to go further proving that it's safe and will not damage offspring for life.
how many squares are in a Punnett square for a one-factor and a two-factor cross
Answer:
For a one factor cross the punnet square will have four squares/ outcomes.
For a two factor punnet square the punnet square will contain sixteen squares/outcomes.
I hope this helps! :)
What is the phenotype ratio for this cross?
Answer:,,
Explanation:
Answer:
3 long and 1 short
Explanation:
3 of the squares have the dominant allele for long needles (L) therefore all 3 would all have long needles because in order for a cactus plant to have short needles it would have to have only the short allele (l) like the one on the bottom right corner
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Answer: after organelles it cells,tissues,organs,organ system then it give you the last one which is organism.
Explanation:
HELP pls i need this question so be my guest will mark brainliest
Answer: 60 degrees the front is cold so it would be 60 degrees in Virginia the next day
ExplanationExplanation:
Based on the consistant pressure that the front seems to be causing, temperatures will become cooler. Based on the four choices provided, only one makes the temperature cooler which is A.
This front seems to be making its appearance during the overnight hours, therefore causing colder temperatures the morning following. With temperatures being 68 degrees at the time, the external temperature will be cooler than 68 degrees.
Please answer fast
A mass extinction is ______.
Select one:
a. the extinction of many species in a short time period
b. the introduction of exotic species
c. a rapid increase in biodiversity
d. a benefit to the environment
Answer:
a. the extinction of many species in a short time period
Explanation:
Mass extinction means like the word "mass," in this case means widespread.
Answer: the answer is A
Explanation:
The extinction of many species in a short time period
During replication, which enzyme works to join newly created DNA strands together along various sites of the DNA macromolecule?
RNA polymerase
RNA ligase
DNA polymerase
DNA ligase
Answer:The primary enzyme involved in this is DNA polymerase which joins nucleotides to synthesize the new complementary strand. DNA polymerase also proofreads each new DNA strand to make sure that there are no errors.
Explanation:b
Early melting of spring snow due to climate change in mountain biomes has
A. flooded many cities.
B. led to increased crops in lowlands.
C. reduced the number of wildflowers.
D. led to reduced irrigation water in late summer.
E. reduced populations of mountain species.
Answer:
D. Led to reduced irrigation water in late summer
Explanation:
Personally, I would answer D. because if everything is melting early, by late summer there isn't much left/anything left to melt. So, less irrigation water makes sense.
10.What kinds of vessels are in leaf veins?
The correct option is xylem and phloem. These tissues occur in the middle of the leaf, and transport water and nutrients to the leaf, and sugars produced in the the leaf to other tissues.
Which structure would not be found in a prokaryotic cell?
O cell wall
O cell membrane
O cytoplasm
O nucleus
Answer: Nucleus as prokaryotes don't have their DNA enclosed in the nucleus unlike eukaroytes. They contain a single loop of dna and have no Nucleus
Answer:
Nucleus
Explanation:
Prokaryotic cells have a capsule, ribosomes, DNA, cell wall, Plasma membrane, and cytoplasm. However, A nucleus is only present in eukaryotic cells.
Which medicines are able to heal people from an illness? Check all that apply.
antibiotics
vaccinations
antiparasitic
antifungal
antiviral
The image represents which biome? Also if you can please answer the other I will mark as Brainly!!!!!!
Answer:
1. Tundra
2. Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for much of the year, but summer brings bursts of wildflowers. ( Sorry I don't see any text to find evidence from it. )
3. The mineral resources include major reserves of oil and natural gas, large quantities of minerals including iron ore, copper, nickle, zinc phosphates and diamonds.
I couldn't figure the last one I'm sorry!
please answer this question
If a female and male offspring from the cross are allowed to mate, the offspring will be 2 red-eyed females; 1 red-eyed male, and 1 white-eyed male. Hence option B is correct.
Thomas Hunt Morgan, who studied fruit flies, provided the first strong confirmation of the chromosome theory.
Morgan discovered a mutation that affected fly eye color. He observed that the mutation was inherited differently by male and female flies.
Based on the inheritance pattern, Morgan concluded that the eye color gene must be located on the X chromosome.
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Which molecules are inputs in photosynthesis?
Answer:
CO2 and H2O
Explanation:
the photosynthesis equation is
6CO2 + 6H2O --> C6H12O6
co2 and h2o are before the yield sign so they are inputs
A female rabbit reaches reproductive maturity at about six months of age. Both young and adult rabbits are highly subject to predation. Which reproductive strategy do rabbits likely exhibit?
Answer:
fast, intensive reproductive investment
Explanation:
What does the tuberculin skin test Mantoux test detect?
The tuberculin skin test, also known as the Mantoux test, is used to detect the presence of the Mycobacterium tuberculosis bacteria, which causes tuberculosis (TB).
The Mantoux test, also known as the tuberculin skin test or purified protein derivative (PPD) test, is a diagnostic tool used to detect tuberculosis (TB) infection. It involves injecting a small amount of tuberculin, a protein derived from the TB bacteria, into the skin on the forearm. After 48-72 hours, the injection site is examined for any swelling or redness, which may indicate a positive result for TB infection.
It is important to note that the Mantoux test cannot differentiate between active and latent TB infection, and further testing may be necessary for an accurate diagnosis.
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Which of the following describes how an abiatic factar can impact the population dynamics
in an ecosystem?
Organisms that
compete for the
same resources will
keep each other fram
averpopulating
Predators will
prevent herbivores
fram depleting the
plants and other
resources in an
ecosystem
A parasite that
invades a host con
reproduce and cause
a dedine in the host
species population
Seasonal variations
in temperature con
cause some of the
individuaisina
population to die
Answer:
The seasonal change in temperature . Temperature is an abiotic factor in an ecosystem
Explanation:
Why was ending slavery a good thing?
The labor stock would increase significantly, even on a per capita basis, as former slaves would now be categorized as "labor." In any case, the abolition of slavery increased American productivity, which increased its wealth.
What happened after the abolition of slavery?States in the South implemented what are known as "Black Codes" as a result of slavery. Although the Codes prohibited blacks from serving on juries, they did offer blacks some legal privileges, such as the ability to marry, own property, and file lawsuits.
How did slavery harm the economy?Slavery had a negative effect on the southern economy even if it was immensely profitable. It hindered the growth of cities and industries, increased debt levels, and drained the soil.
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Which two sentences describes ways that population might be harmed by a storm
Where is kudzu native to?
Why was it brought to the US?
How did kudzu grow uncontrollably?
Answer:
Explanation:
Kudzu is a Woody, climbing night vine trees that is native to China, Japan and also Indian. They are invasive trees.
2. It is introduced to United States from Japan during the the Philadelphia Centennial Exposition in 1876. It was introduced to serve as as an ornamental and it is also planted as a forage crop plant. The southern farmers planted kudzudo as to reduce soil erosion.
3. Kudzu is an aggressive plants and grow uncontrollable because it has ability to grow very fast and it can survive in an area, area with low nitrogen thereby outcompeting the native plants.
How many moles of arsenic are in 1.204 x 1024 atoms of arsenic?
Answer: 2.0 moles
Explanation:
Which of these examples illustrates deductive reasoning?
option B is the examples that illustrates deductive reasoning. Now you decide that fate always punishes yo You learned in elementary school that as temperature drops, liquids change into solid form.
Drawing inferences using deductive logic is a form of deductive reasoning. It is impossible for the premises to be true and the conclusion to be false, which is a requirement for a deductively valid inference. Deductive validity allows one to draw the conclusion that Socrates is mortal from the premises "all men are mortal" and "Socrates is a man." If all of your premises are true and your argument is valid, it is considered sound. The author must intend for the premises to provide the conclusion with deductive support, according to some theorists, who define deduction in terms of the author's intentions. It is feasible to discern between legitimate and unjustified deductive reasoning with the use of this adjustment.
Which of these examples illustrates deductive reasoning?
A) You come down with the flu after you pretended to be sick so you could skip work to attend a concert.
B) Now you decide that fate always punishes yo You learned in elementary school that as temperature drops, liquids change into solid form.
C) You are given an unfamiliar liquid and hypothesize that it will.
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Asexual reproductive process in which a single cell divides into two cells
Asexual reproduction is a reproductive process that involves the creation of offspring from a single parent without the involvement of gametes or the fusion of genetic material.
One common form of asexual reproduction is binary fission, where a single cell divides into two identical daughter cells. This process typically involves several stages. First, the parent cell duplicates its genetic material. Then, the cell elongates and the duplicated genetic material separates into two distinct regions.
Finally, a constriction occurs, leading to the physical division of the cell into two separate cells, each containing a complete set of genetic material. This results in the formation of two genetically identical cells, effectively producing offspring that are clones of the parent cell. Binary fission is commonly observed in single-celled organisms such as bacteria and protists.
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Which organisms have the LEAST available energy? *
1.owls
2.snakes and shrews
3.grasshoppers mice and rabbits
4.grasses
Answer:
Owls
Explanation:
Owls are secondary consumers and since energy decrease from the producers to the tertiary consumers and from the options given there tertiary consumer so the higher other consumer is the secondary consumer which is the owls.
Resident memory T cellsSelect one:a. circulate through tissues in a similar pattern to naive T cells.b. must return to the secondary lymphoid organ to receive costimulatory signals for activation.c. persist in non-lymphoid tissues that have effectively cleared an infection with a pathogen.d. are the type of memory T cell most likely to activate a B cell.e. are the rarest type of memory T cells.
Resident memory T cells persist in non-lymphoid tissues that have effectively cleared an infection with a pathogen.
Resident memory T cells (TRM cells) are a subset of memory T cells that reside in non-lymphoid tissues, such as skin, mucosal surfaces, and organs, after an infection has been cleared. They provide rapid and localized immune responses upon re-encounter with the same pathogen. Unlike circulating memory T cells, which continuously circulate through the blood and lymphoid organs, TRM cells stay within the tissues where they initially encountered the pathogen. TRM cells do not require costimulatory signals from secondary lymphoid organs for activation (option b). They have already received the necessary signals during their initial activation in the lymphoid organs. Their presence in non-lymphoid tissues is crucial for efficient immune surveillance and response in those tissues. TRM cells are not the type of memory T cell most likely to activate B cells (option d). This role is primarily performed by follicular helper T cells. Additionally, it is incorrect to state that TRM cells are the rarest type of memory T cells (option e), as their presence in tissues is a recognized and important aspect of immune memory.
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The emergence of antibiotic resistance in hospital settings indicates that __________.
The emergence of antibiotic resistance in hospital settings indicates that certain bacteria have developed the ability to withstand the effects of antibiotics, rendering them less effective or ineffective in treating infections.
Antibiotic resistance occurs when bacteria undergo genetic changes or acquire resistance genes that allow them to survive exposure to antibiotics that would normally kill or inhibit their growth. In hospitals, the close proximity of patients, extensive use of antibiotics, and frequent transmission of bacteria between patients create an environment conducive to the development and spread of antibiotic-resistant strains. This poses a significant challenge in treating infections and increases the risk of healthcare-associated infections that are difficult to control. Effective infection control measures, appropriate antibiotic stewardship, and the development of new antibiotics are critical in addressing antibiotic resistance in hospital settings.
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loosely aggregated dna bound to proteins in a eukaryotic cell is called (what structure)? when the cell divides, this condenses into (what structure)?
loosely aggregated dna bound to proteins in a eukaryotic cell is called as chromatin. when the cell divides, this condenses into chromosomes.
Special proteins (histones) in the nucleus bundle the DNA double helix into a structure known as chromatin. To create the chromosome, the chromatin goes through further condensation. Because of this, chromosomes are the higher order of DNA organization while chromatin is of a lower order. The number of chromosomal pairs in an organism is used to measure its genetic makeup. Humans contain 23 pairs of chromosomes, for instance. The majority of live cells include a compact structure of nucleic acids and proteins called a nucleus that houses genes, which convey genetic information.
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1) which of the following genetic processes may be most helpful in accounting for the cambrian explosion? a) binary fission b) mitosis c) random segregation d) hox gene duplication e) chromosomal condensation
The possible genetic process that may be most helpful in accounting for the Cambrian explosion is hox gene duplication. Option D is correct.
The Cambrian Explosion refers to a period of rapid diversification of animal life that occurred about 540 million years ago during the Cambrian period. One possible genetic process that could have contributed to this explosion of diversity is hox gene duplication. Hox genes are a family of genes that regulate the development of body plans in animals
Duplication of these genes would have provided more genetic material for evolutionary tinkering, allowing for the development of new body plans and the diversification of animal life. This hypothesis is supported by studies that have found multiple copies of hox genes in the genomes of many animals that evolved during the Cambrian Explosion.
Hence, D. is the correct option.
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A unknown element is a gas at room temperature, has 8 valence electrons and 22 neutrons the element is most likely
Answer:
Argon
Explanation:
Argon is a chemical element which is a gas at room temperature, has 8 valence electrons and 22 neutrons. This element belongs to the noble gas elements group.
What is Argon?Noble gas is any of the rare gases that include helium, neon, argon, krypton, xenon, and sometimes radon also and that exhibit great stability and extremely low reaction rates than other elements in the periodic table.
Argon is a chemical element with the symbol Ar and it has an atomic number of 18. It is in the group 18 of the periodic table and it is a noble gas. Argon is the third-most abundant gas in the Earth's atmosphere, at 0.9340 ppmv. It is more than twice as abundant as that of water vapor, 23 times as abundant as carbon dioxide, and more than 500 times as abundant as neon gas. Argon is the most abundant noble gas in the Earth's crust, which comprises about 0.00015% of the crust.
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The wavelengths where a specific element can absorb or emit light are called