Answer:
genetic engineering
Explanation:
Genetic modification or Genetic engineering is the method of using recombinant DNA (rDNA) technology to change an organism's genetic makeup.
In Genetic egineering a gene is isolated from the body of one organism and incorporated into the body of host cell in order to produce new gene variety with some advantages.
Here also, scientists have incorparetd a barley gene into a type of rice that developed a new rice variety with muchlower methane emissions.
Hence, the process used by scientists is genetic engineering.
What function in plant cells is comparable to an animal eating
food?
a.Chloroplasts absorbing solar energy for cellular activities
b.Nuclei directing cellular activity from information held in DNA
c.Vacuoles storing waste, protecting the rest of the cell from contamination
d.Cell walls providing rigidity and support for the cell
structure
Answer:
It is A not B
Explanation: Becase the Chloroplasts absorb solar energy for food.
This is a picture of a green algae. It lives in ponds and lakes. It uses sunlight to make its own food. A land plant has lots in common with the algae. All but one statement tells how the two are alike. That is
A) they both are made of cells.
B) they both need water to survive.
C) they have chloroplasts to make food.
D) they have cells that are exactly the same.
Answer:
It’s actually D
Explanation:
Got B wrong
Both green algae and land plants are made up of cells, they are not exactly the same. However, they do share the characteristics of needing water to survive and having chloroplasts to make their own food through photosynthesis. The correct option is D.
What is Green algae?Green algae are creatures that are distinguished by possessing whiplash-shaped (smooth) flagella and chlorophylls a and b as the primary photosynthetic pigments, starch found within the chloroplast as the primary storage product.
They have cells that are exactly the same. This statement is incorrect because, while both green algae and land plants have cells, their cells are not exactly the same. However, they do share similarities like being made of cells, needing water to survive, and having chloroplasts to make food.
Therefore, the correct option is D.
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Is the correct answer A or D ? Help !
I think its D if Im correct
Answer:
D?
Explanation:
You didn't include the graph...However CO2 is produced through photosynthesis which turns light energy and CO2 into Oxygen. If the CO2 levels are going down on the graph that means the answer should be D because the light being on promotes additional photosynthesis
the following is a specific immune response to the human immune system?
A. fever
B. inflammation
C. mucus
D. antibodies
Answer:
Antibodies
Explanation:
Specific immune responses are triggered by 'antigens'. Antigens are found on the surface of a pathogen and is used to identify a specific pathogen. Antigens trigger the immune system to release cells that attach themselves to Antigens in order to kill off pathogens. These cells attack Pathogens using antibodies
Describe one process by which the metamorphic rock marble forms from the sedimentary rock limestone. *
Final answer:
Marble forms from limestone through a process called metamorphism, which involves heat, pressure, and chemical reactions. Impurities in the limestone can give marble its colorful markings. Marble is mined from quarries and used for construction and art due to its durability.
Explanation:
Marble is formed when limestone undergoes a process of metamorphism, which is the transformation of rocks due to heat, pressure, and chemical reactions. During this process, the calcite or dolomite in the limestone is recrystallized, resulting in the formation of marble. Impurities in the limestone can give marble its colorful markings.
The metamorphism of limestone into marble occurs deep within the Earth's crust. The intense heat and pressure from tectonic forces cause the mineral composition and texture of limestone to change, resulting in the formation of the harder and more compact marble.
Marble is often mined from quarries and used for various purposes, such as building materials and sculptures, due to its durability and aesthetic qualities.
Which statement describes a similarity between asexual reproduction and sexual reproduction?
Both processes involve fertilization
Both processes involve cell division
Both processes produce genetically identical offspring.
Both processes require two parents.
Both processes involve cell division
1/Producer
2/primary consumer
3/secondary consumer
4/predator
5/decomposer
PLEASE HELP ASAP !!!
Answer:
Decomposers
Explanation:
From what I can see i don't notice any mushrooms or Vultures which are mainly the 2 first picks for decomposers in a food web.
DNA one side = G T A T G A C T T
DNA other side =
Answer:
DNA other side = C A T A C T G A A
Hope you could get an idea from here.
Doubt clarification - use comment section.
How do trophic level, food web, food chain , consumer, and producers work together in an ecosystem and which of the terms can be used to include all of the rest of the terms ?
Answer:
Explanation:
The trophic level of an organism is the position it occupies in a food web/food chain. Producers are typically plants that get their energy from the sun, and consumers are the organisms that eat the producers. The last question I'm not too sure. Hope I could help a little!
1. What codes for a protein?
2. What is the monomer of a protein?
3. What are the two major steps in protein synthesis?
4. What happens during transcription?
5. What does the m stand for in mRNA?
6. Where does the mRNA go after it's been transcribed?
7. What happens during translation?
8. What does the r stand for in rRNA?
9. What does the t stand for in tRNA?
10. What does the tRNA do?
11. What is a triplet of nucleotides on an mRNA called?
12. What type of bond is formed between amino acids during protein synthesis?
A specimen collection helps a scientist do an experiment by:
A. substituting a good hypothesis with an even better one.
B. indicating the most appropriate measurement tool
C. delivering the most exciting information of the previous day.
D. providing access to objects that are hard to find.
Answer:
D.
Explanation:
just did it on apex
A specimen collection helps a scientist do an experiment by providing access to objects that are hard to find.
What do you mean by Specimen collection?Specimen collection may be defined as the process of obtaining tissue or fluids for laboratory analysis or near-patient testing.
Specimen collection provides a direct path for those objects or things that take time in searching and analyzing.
Therefore, a specimen collection helps a scientist do an experiment by providing access to objects that are hard to find.
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What problem would a person most likely have if her kidney did not work
correctly?
O
O
A. She could not produce proteases.
B. It would be impossible to produce saliva.
O
c. The balance of water in her body would be wrong.
O
D. She would be unable to digest carbohydrates.
Answer:
C
Explanation:
Proteases are produced by cells in the stomach
Saliva is produced by the salivary glands in the mouth
Balance of water is regulated by the kidney. If a person's kidney fails, this function will be impeded. Excess water cannot be expelled from the body in the form of urine.
Carbohydrates are digested by enzymes secreted by salivary glands and small intestine.
What type of cellular respiration does not require oxygen?
Answer:
anaerobic respiration does not require oxygen
Anaerobic respiration, which occurs without the need for oxygen, is an essential process for certain prokaryotes like bacteria and Archaea. This process, which often involves the Krebs cycle, is found in all animals and plants and occurs in the cytosol.
Explanation:The type of cellular respiration that does not require oxygen is anaerobic respiration. This process, sometimes known as fermentation, uses a molecule other than oxygen as the final electron acceptor. It often occurs in prokaryotes, including Bacteria and Archaea, and commonly involves an intact Krebs cycle, also known as the citric acid cycle, to extract energy from carbohydrates. This anaerobic cellular respiration process occurs in the cytosol and can be found in various types of organisms, including all animals and plants.
One alternative to aerobic respiration is anaerobic respiration. In this process, an inorganic molecule other than oxygen, like nitrate, is used as a final electron acceptor in the process of metabolism without oxygen. An example would be methanogens, a group of archaeans, that reduce carbon dioxide to methane to oxidize NADH, ensuring the continuation of glycolysis. These microorganisms are commonly found in soil and in the digestive tracts of ruminants, such as cows and sheep.
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WILL MARK BRAINIEST
Angiosperms are flowering plants. The carpal is a reproductive organ within the flower. What part of the carpal becomes the fruit when fertilization occurs?
Part C
Part D
Part H
Part I
Answer:
H
Explanation:
The ovary part of the carpel becomes the fruit after fertilization. The ovule part of the carpel becomes the seed after fertilization.
Part H part of the carpal becomes the fruit when fertilization occurs.
Where does fertilization occur?Fertilization usually takes place in a fallopian tube that links an ovary to the uterus. If the fertilized egg successfully travels down the fallopian tube and implants in the uterus, an embryo starts growing.
When does fertilization occur?After the egg is released, it moves into the fallopian tube. It stays there for about 24 hours, waiting for a single sperm to fertilize it. All this happens, on average, about 2 weeks before your next period.
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Which of the following planets experiences the strongest gravitational pull from the sun compared to the others?
The planet that experiences the strongest gravitational pull from the sun is Mercury, because it is the closest planet to the sun.
Explanation:In terms of gravitational pull from the sun, the strength is determined by two factors: Mass and Distance. Considering our solar system, the planets closer to the sun experience a stronger gravitational pull due to their proximity. Among all the planets, Mercury, being the closest planet to the sun, experiences the strongest gravitational pull.
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A farmer mates a goat and sheep together. However, he
finds that the new hybrid animals, who seem otherwise
healthy, cannot have offspring of their own. What is this
an example of?
A. Gametic isolation
B. Mechanical isolation
C. Low hybrid viability
D. Post zygotic barrier
The example should be of gametic isolation.
What is gametic isolation?Gametic isolation refers to the type of prezygotic barrier in which the gametes like egg and sperm should be come into the contact however there should be no fertilization. Also it is not able to record one another in various species. Since the farmer determined that the new hybrid animals so it represent the gametic isolation.
Therefore, the correct option is a.
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Final answer:
The inability of hybrid animals from a goat and sheep mating to reproduce is an example of a postzygotic barrier, which involves sterility or reduced viability in hybrids due to significant genetic differences.
Explanation:
A farmer mates a goat and sheep together, but the resultant hybrid animals cannot have offspring of their own. This scenario exemplifies a postzygotic barrier, one of the mechanisms of reproductive isolation in genetics. Postzygotic Isolating Mechanisms come into play even if fertilization is successful; they operate through genetic differences that become significant enough that the hybrids display reduced viability or fertility compared to the parental species. A common manifestation of this barrier is sterility in hybrids, as seen in mules who are unable to produce offspring despite being bred from a horse and a donkey. This type of reproductive isolation underlines the critical role genetic compatibility plays in the viability of offspring in cross-species breeding attempts.
Which statement describes ALL living things?
A)
They must reproduce sexually.
They are composed of one or more cells.
9
They are capable of making their own food.
D)
They have organ systems to carry out the processes of life.
Answer:
d
Explanation:
trust me bro its d I promise
Which bone is part of the axial skeleton?
Clavicle
Scapula
Sacrum
llium
Answer:
Sacrum is the bone.
Explanation:
Answer:
C. Sacrum
Explanation:
The axial skeleton makes up the bones along the central system of the body, while the appendicular skeleton comprises the bones along the appendages of the body (in other words, arms, feet, legs, etc).
The clavicle is the collarbone; scapula is shoulder blade bone; and ilium is the hip bone. Of the four choices, only the sacrum, which is at the base of the spinal cord, is located along the central axis of the body and is thus part of the axial skeleton.
C is the answer.
What happens in photo system
Answer:
Photosystem II is the first link in the chain of photosynthesis. It captures photons and uses the energy to extract electrons from water molecules. ... First, when the electrons are removed, the water molecule is broken into oxygen gas, which bubbles away, and hydrogen ions, which are used to power ATP synthesis.
Answer:
Photosystems are functional and structural units of protein complexes involved in photosynthesis that together carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons. Photosystems are found in the thylakoid membranes of plants, algae and cyanobacteria.
Which best describes carbon dioxide’s path out of the body?
nose → pharynx → larynx → trachea → bronchus → alveoli
alveoli → trachea → bronchus → larynx → pharynx → nose
alveoli → bronchus → trachea → larynx → pharynx → nose
nose → larynx → pharynx → trachea → bronchus → alveoli
Answer:
alveoli → bronchus → trachea → larynx → pharynx → nose
Explanation:
Final answer:
Carbon dioxide exits the body via the respiratory system, moving from the alveoli to the nose through the bronchus, trachea, larynx, and pharynx.
Explanation:
The path of carbon dioxide as it exits the human body follows the reverse path of inhaled air during respiration. The carbon dioxide travels out of the body through the following route: alveoli
→ bronchus → trachea → larynx → pharynx → nose. This process begins in the lungs after gas exchange, where blood deposits carbon dioxide into the alveoli. The carbon dioxide then moves up the respiratory tract, passing successively through the bronchus, trachea, larynx, and pharynx before exiting through the nose.
PLZ HELP 13+points
Select all the correct answers. Review the graph. What can you conclude about the rate of photosynthesis and respiration in a plant? *
A)Plants can’t photosynthesize at night.
B)Photosynthesis peaks at sunrise.
C)Plants need ATP production for the entire day.
SRRY the other one didnt have the graph so here it is
Answer:
A)
C)
Explanation:
Plants cannot photosynthesize at night because light is essential for photosynthesis. Plants also need to breath all day.
The biochemical process
Answer:
Explanation:
Biochemical processes are the chemical processes that occur in living organisms
TRUE OR FALSE
during transcription the information on a DNA molecule is copied into an mRNA molecule
Answer:
TRUE
Explanation:
transcription / DNA transcription. Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger RNA (mRNA). DNA safely and stably stores genetic material in the nuclei of cells as a reference, or template.
Final answer:
The statement is TRUE as during transcription, information from DNA is copied to mRNA, which then carries the genetic code to ribosomes for protein synthesis.
Explanation:
TRUE. During transcription, the information on a DNA molecule is indeed copied into an mRNA molecule. Transcription is a crucial process in the flow of genetic information within a cell. This process occurs in the nucleus where the enzyme RNA Polymerase synthesizes a strand of mRNA using the DNA strand as a template. The mRNA strand that is created is complementary to the DNA template strand, following the base pairing rules, with uracil (U) pairing with adenine (A) instead of thymine (T) which is found in DNA.
For example, a DNA sequence ACGGGTAAGG will be transcribed into the mRNA sequence UGCCCAUUCC. The mRNA then carries this genetic code from the nucleus to the ribosomes in the cytoplasm. Here translation occurs, and proteins are synthesized based on the sequence of nucleotides in the mRNA.
Black truffles are a unique type of fungi that are highly prized by chefs and food enthusiasts throughout the world. Which characteristic is seen in truffles but not in common mushrooms?
lack a reproductive phase
contains hyphae
has spores contained in ascus
has spores contained in basidia
Answer:
has spores contained in an ascus
Explanation: D.
True truffles belong to the genus Tuber and are primarily found in temperate regions of the world (order Pezizales, phylum Ascomycota). The many species range in size from a pea's size to an orange's size. Thus, option C is correct.
What type of fungi have characteristics of Black truffles?Truffles make up for their unmistakable flavor and vibrant, unmatched scent. They smell strongly of strong character and have a flavor similar to that of toasted sunflower seeds or walnuts. Truffles are also a true form of wild viagra.
In many regions of the world, Tuber melanosporum is referred to as black truffle, Perigord truffle, or French black truffle.
This truffle kind is indigenous to Southern Europe and is known as one of the most costly edible mushrooms in the world.
Therefore,has spores contained in Asus
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Scientists use homologous structures to identify evolutionary relationships. Which is an example of homologous structures?
a) the front legs of a horse and the wings of a bat
b) the front legs of a horse and the back legs of a zebra
c) the wings of a dragonfly and the wings of a bat
d) the hip and shoulder bones of snakes
Answer:
C
Explanation:
Homologous structures compare the same anatomical features in different species. C is correct because it compares the same trait (wings) in different species (dragonfly vs. bat)
The example of homologous structures are the wings of a dragonfly and the wings of a bat. Details about homologous structures can be found below.
What are homologous structures?Homologous structures are structures that corresponding to a similar structure in another life form with a common evolutionary origin.
According to this question, scientists use homologous structures to identify evolutionary relationships between organisms.
Homologous structures must be of the same body part in different organisms.
Therefore, the example of homologous structures are the wings of a dragonfly and the wings of a bat.
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What would MOST LIKELY happen to the black swallowtail butterfly if these plants continue to decrease?
Answer:Limiting factor is a factor which can limit the abundance, distribution of the species in an ecosystem this can be a resource, predator or natural disaster. The black swallowtail butterfly feeds on endangered plant named Candy's dropwort. If the plants continue to decrease the population of black swallowtail butterly will also decrease as decrease in the plant population will act as a limiting factor for the growth of butterfly population.
Explanation:
Which best describes the organisms in this kingdom?
They are autotrophic and have eukaryotic cells
They are made of prokaryotic cells
They are multicellular and do not have cell walls
They are always single celled and produce their own food
Answer:
They are amyotrophic qnd eukaryotic cells
There are 500 sheets of printing paper in a pack. Juan notes that the thickness of 500 sheets is 1.3 inches. The thickness, in inches, of a single sheet is given by the expression
A)1.3 divided by 500
B)1.3+500
C)500x1.3
D)500divided by 1.3
evaluate the hypothesis that mutations in slc7a9 have a greater effect on the transport of cysteine across the plasma membrane of kidney cells than do mutations in slc3a1
Mutations in slc7a9 could have a greater effect on the transport of cystine, due to its direct role in the transport process, as compared to slc3a1, which mainly contributes to the stability and function of the transporter. The impact may be greater in slc7a9 mutations as it directly alters the protein's primary structure, therefore greatly affecting the transport function.
Explanation:The hypothesis that mutations in slc7a9 have a greater effect on the transport of cysteine across the plasma membrane of kidney cells than mutations in slc3a1 could be evaluated by observing functional changes in cysteine transport in cells with respective mutations. Both SLC7A9 and SLC3A1 are associated with cystine-uria, a condition characterized by the impaired transport of cystine and related amino acids in the kidney cells.
However, the SLC7A9 gene specifically codes for a subunit of a transport protein that is directly involved in cysteine transport, whereas SLC3A1 codes for a subunit that is needed for the stability and function of the transporter but does not directly mediate transport. Therefore, logically, a mutation in SLC7A9 would have a greater impact on cysteine transport than a mutation in SLC3A1. This is because the primary structure of the protein is directly affected in SLC7A9 mutation, thus greatly hampering the transport process as compared to SLC3A1 mutation.
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Mutations in SLC7A9, which encodes the light subunit directly involved in amino acid transport, are hypothesized to have a greater effect on cysteine transport in kidney cells compared to mutations in SLC3A1, the gene for the heavy subunit providing structural support. To evaluate this hypothesis, genetic analysis and functional studies of the transporters, as well as clinical observations, would be necessary.
Explanation:Evaluating the Effects of SLC7A9 vs SLC3A1 MutationsSLC7A9 and SLC3A1 are genes that encode different subunits of a protein transporter responsible for the renal reabsorption of amino acids, such as cysteine, in the kidney tubules. Mutations in these genes are associated with cystinuria, a condition characterized by the impaired transport of cysteine, leading to the formation of cystine stones in the urine. Since the transport of cysteine across the plasma membrane is a complex process involving both subunits, it is essential to evaluate their roles in maintaining the functionality of the transporter.
One would hypothesize that a mutation in SLC7A9, which encodes the light subunit, might have a more significant impact on cysteine transport due to the direct role of this subunit in amino acid transport. In contrast, the SLC3A1-encoded heavy subunit is thought to mainly provide structural support and potential indirect regulation. Considering each subunit's function, mutations in SLC7A9 could be more detrimental to cysteine reabsorption and lead to more severe symptoms of cystinuria compared to mutations in SLC3A1.
However, to evaluate the hypothesis regarding the impact of mutations in these genes, experimental studies including genetic analysis, protein function assays, and clinical data from patients with these mutations would be needed. It may be discovered that the loss of the support function from the SLC3A1 subunit also greatly impairs the overall transporter function, leading to significant effects on cysteine transport.
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Do the information given and the map best describe adaptive evolution, convergent evolution, or coevolution? Explain
your response.
Answer: The information best fits adaptive evolution because all of the finches have the same common ancestor. They all became specialized to adapt to the type of food in their environment.
Explanation:
Because all of the finches share a common ancestor, the information best fits adaptive evolution. They all specialized in order to adapt to the type of food available in their environment.
What is evolution?Convergent evolution refers to the impartial evolution of similar characteristics in species from different time periods or epochs.
Convergent evolution produces analogous structures that have similar form or function but were not present in those groups' last common ancestor.
The information best fits adaptive evolution since each of the finches belong to the same ancestor. They all specialized to adapt to the food available in their environment.
Thus, the information given as well as the map is perfectly describing the evolution.
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