The living organism that can be used by scientists to "infect" plants (such as the soybeans shown here) with genes that can benefit humans is Agrobacterium.
The answer is option C.Agrobacterium
What is genetic engineering?Agrobacterium tubefaciens is used as a plant vector for plants.Genetically engineered microorganisms and other microorganisms are presently used to produce human insulin, human increase hormone, a protein utilized in blood clotting, and different prescribed drugs.The technology of altering and cloning genes to supply a brand new trait in an organism or to make a biological substance, including a protein or hormone. Genetic engineering mainly entails the advent of recombinant DNA, that's then inserted into the genetic fabric of a mobile or virus.microinjection of DNA into the nucleus of anchored cells;electroporation : where DNA is delivered thru mobile membrane pores via pulsed electrical fees;polycationic neutralization of the cellular membrane and the DNA to be brought to enhance passive uptake;
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True or false? Mendel's inheritance laws hold true for all types of inheritance in humans.
O True
O False
Answer:False
Explanation:
Mendel' s law of independent assortment does not hold true for the genes that are located closely on. A. Same chromosome. B. Non-homologous chromosomes.
A proton gradient is an important part of both photosynthesis and cellular respiration.
For either photosynthesis or cellular respiration, describe how the proton gradient is established and what the proton gradient is used for.
A proton gradient is an important part of both photosynthesis and cellular respiration because couple the favorable flow of H+ to transport specific metabolites into and out of organelles.
What is the proton gradient?The gradient is sometimes called the proton-motive and can be thought of as a form of energy, force and force in a battery. Like other ions, protons are not able to cross directly through the phospholipid bilayer of the membrane, as the interior of the membrane is hydrophobic.
The proton gradient generated by this manipulation provided a driving force for ATP synthesis in the absence of light. This confirms the chemiosmotic theory, where a chemical potential across the membrane can provide energy for ATP synthesis.
The proton gradient produced by pumping protons during the electron transport chain is used to synthesize ATP.
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which one of the following are primary lymphoid organ?
i) Bone marrow and spleen
ii) spleen and thymus
Answer:
The options are not complete because the answer is neither i or ii
spleen is a secondary lymphoid organ
the correct answer is Bone marrow and thymus
Hello! I am having trouble identifying the following images. I am unsure of what type of fungi or mold the organism is. Please share with me what you would identify it as and why. I would appreciate any feedback.
Be informed that the organism in the image which appeared above is a multicellular mold.
It can also be identified by its morphology in the culture medium
What are fungi?These are eukaryotic organisms which obtain their food heterotrophically. This means that they cannot obtain their food through the process of photosynthesis.
Generally, fungi could be either:
Unicellular i.e, singe celledMulticellularIn conclusion, the organism in the image which appeared above is a microscopic mold.
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Greenhouse gases
a) keep earth cool
B)absorb heat From the sun
C) Are only produced naturally
d) Trap Ozone At earths surface
Answer:
greenhouse gases produce or a heat from the sun bringing about global warming
Need help on this question
Answer:
the answer is D which is CJD
what are the disadvantages of union in data structures
Answer:
there is,always union in every structure
Classify the following organisms as eubacteria, archebacteria, protists, fungi or other
A. Eubacteria coli
B. Plasmodium
C giardia lamblia
D. adenovirus
E. Methanogens
F. Lichen
G. Yeast
The correct class of the following organisms is as follows:
Eubacteria -:E coliProtist- PlasmodiumProtist- Giardia lambliaOther- adenovirus Archaebacteria - MethanogensFungi - LichenFungi- yeastWhat is a domain in biology?Domain refers to the highest rank in the classification of organisms, above kingdom.
The three-domain system are as follows:
EubacteriaArchaeaEukaryotaThe correct class of the following organisms is as follows:
Eubacteria -:E coliProtist- PlasmodiumProtist- Giardia lambliaOther- adenovirus Archaebacteria - MethanogensFungi - LichenFungi- yeastLearn more about domain at: https://brainly.com/question/24779457
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A student is conducting their science experiment on the effect of caffeine on dogs. He has 3 groups of test subjects.
The 1st group of dogs receives plain water. The 2nd group of dogs receives 10 mg of caffeine each, and the 3rd
group receives 50 mg of caffeine each. He will measure their activity levels by recording how long each dog runs
without stopping, after giving them the pills. What could be evaluated in this experiment to ensure reliability?
A. If the dogs are different breeds, their activity levels could be different because of their breed and not the caffeine.
• B. The test subjects are dogs and not people, so their data is unreliable.
C. The different amounts of caffeine given could lead to different activity levels which would throw off the result of the experiment.
C D. The group that receives water will be an outlier and throw off the best fit line.
If the dogs are different breeds, their activity levels could be different because of their breed and not the caffeine. The correct option is A.
Reliability of experimentsIn order for the outcomes of scientific experiments to be reliable, constant variables should be kept constant.
In the illustrated experiments, the breed and age of the experimental dogs have to be the same. It is one of the variables that have to be kept constant throughout the experiment.
If the dogs are different breeds, their activity levels could be different because of their breed and not the caffeine. The same thing is applicable to different ages.
Thus, evaluating this variable and doing right by it will ensure reliability.
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The cichlid is a colorful fish found in freshwater lakes. There are over a thousand species of cichlid fish today. If a species of cichlid became extinct, the niche the fish filled within the ecosystem would be left open. Explain how an available niche after extinction can lead to speciation.
The niche available after extinction can lead to speciation because there would be an imbalance, making resources formerly occupied by extinct fishes vacant, providing the emergence of new species to take the place of the extinct species.
When does speciation occur?Speciation can be understood as processes that lead to the formation of new species. They occur due to differences in the genome of different populations of the same species that caused reproductive isolation and, consequently, the appearance of two different species.
With this information, we can conclude that Speciation is the process of formation of new species from lineage separation events from preexisting species.
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Which term describes how fast work is done?
A. Efficiency
B. Mechanical advantage
C. Force
D. Power
Answer:
A
Explanation:
Which season is the Southern Hemisphere experiencing in the picture?
Answer: Summer
Explanation: When the southern hemisphere is closest to the sun, and it receives the most sunlight it is summer time, while in the northern hemisphere it's winter.
The main factor that determines seasons is the way sun rays enter Earth, and not as much proximity, since there is only a 2% variation in the distance overall
The formation of the many kinds of body cells that make up an embryo begins with
The formation of multicellular organisms commences with a single-celled zygote, which divides rapidly to form the blastula. Cleavage refers to the rapid, multiple shots of cell division.
What is an embryo?Following conception, the baby enters the embryonic stage, a period of radical shift.
This stage lasts from the fifth to the tenth week of pregnancy. During a certain stage, the baby is referred to as an embryo. Several changes take place even during embryonic stage.
The primary distinction between an egg and an embryo is that an embryo is formed after the gametes are fertilized, whereas an egg is extracted from the ovary and stored in a freezer prior to fertilization.
Thus, multicellular organisms begin with a single-celled zygote that divides speedily to form the blastula. Cleavage is a term that refers to rapid, multiple strikes of cell division.
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Answer:2
Explanation:because lk
Why will other ecosystems be affected if freshwater ecosystems dry up?
Other ecosystems will lose access to fresh water.
Other ecosystems will lose the species that live there.
Other ecosystems will be flooded.
Other ecosystems will have to rely on salt water
Answer: a
Explanation:
2. What structure caused rotifers to be called wheel animals or wheel bearers?
1 the foot
2 the corona
3 the brain
4 the stomach
The structure that caused rotifers to be called wheel animals or wheel bearers is the corona.
Rotifers are also known as wheel animals or wheel bearers because of the corona structure around their mouth region.
Some rotifers are sessile and live inside tubes or gelatinous holdfasts that are attached to a substrate. Other rotifers migrate around a substrate through inch worming.
This is because when corona is seen in a sequential coordinated movement, it resembles the structure of a wheel, although it does not rotate in reality.
Therefore, we conclude that rotifers are called wheel animals or wheel bearers due to the presence of the corona structure.
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Which organelle is responsible for producing the energy for cellular processes?
organelle A
organelle E
organelle F
organelle G
Organelle G which is the mitochondrion is responsible for producing the energy for cellular processes.
What is Mitochondrion?This is referred to as the power house of the cell as it is the area where ATP(energy) is produced.
The energy is produced through aerobic respiration which is then used for various forms of activities by the cells.
The complete question is:
Consider this animal cell mc 006 - 1. jpg. Which organelle is responsible for producing the energy for cellular processes?
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What are 3 questions that might be answered by studying earth and space science
Three questions that might be answered by studying earth/space science include the analysis of biotic factors, the presence of underground rivers and lithium in a mountain.
What is Earth science?Earth science is a scientific field that deals with Earth's characteristics, including biological features.
Earth science is aimed at comprehending how biological factors are maintained on the Earth planet.
In conclusion, questions that might be answered by studying earth/space science include biotic factors, underground rivers and lithium.
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Reactions where an electron (or hydrogen) pass from one atom or molecule to another are called:
Question 18 options:
enzyme mediated
energy capturing
fermentation
oxidation-reductions
Reactions, where an electron (or hydrogen) passes from one atom or molecule to another, are called oxidation-reductions
A chemical reaction known as an oxidation-reduction (redox) reaction includes the exchange of electrons between two substances. Any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by acquiring or losing an electron is referred to as an oxidation-reduction reaction.
Oxidation reaction: An oxidation reaction is a chemical reaction in which oxygen is acquired or hydrogen is destroyed. such as the 2Cu+O2heating 2CuO Reduction response. Reduction reactions occur when either hydrogen or oxygen is acquired or lost. such as CuO+H2heating Cu+H2O
When a reactant loses electrons in a reaction, oxidation takes place. When a reactant obtains electrons during a reaction, reduction takes place. This frequently happens when acid and metals react.
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A sample of the element boron will have some atoms with six neutrons and some atoms with five neutrons; collectively, these atoms are called
OA. cations.
OB. anions.
OC. isotopes
OD. ions
Answer: OC. Isotopes
Explanation: Isotopes of element are those who have same numbr of protons but different number of neutrons. Here number of neutrons are different so these atoms are isotopes.
what is most of the water in the surface zone of the ocean
Answer:
The surface layer of the ocean is known as the epipelagic zone and extends from the surface to 200 meters (656 feet). It is also known as the sunlight zone because this is where most of the visible light exists. With the light come heat.
Classify the following organisms as eubacteria,archebacteria, Protists,fungi or other
Eubacteria and archaebacteria are organisms from the Archaea domain, whereas protists and Fungi belong to the Eukarya domain.
What are prokaryotic organisms?Prokaryotic organisms such as eubacteria (E coli) and archaebacteria (methanogens) are unicellular microorganisms whose cells do not have a cell nucleus.
Conversely, eukaryotic cells such as protists (giardia lamblia) and fungi (Yeast) have the genetic material inside the cell nuclei and membrane-bound organelles.
In conclusion, eubacteria and archaebacteria belong to Archaea, whereas protists and Fungi belong to Eukarya.
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Exocrine glands
absorb hormones from the blood
absorb hormones from body surfaces
secrete hormones into the blood
secrete hormones into an attached duct
The Exocrine glands secrete hormones into an attached duct.
What do exocrine glands release?While the endocrine glands release their secretions into the bloodstream, the exocrine glands secrete their substances into other organs or to the outside of the body. Some examples of exocrine glands are: sweat glands (secrete sweat), mammary glands (secrete milk) and salivary glands (release saliva)
Glands are structures formed by epithelial tissue of the glandular type that are specialized in the synthesis and release of substances.
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20 POINTS - AP Biology
In a certain population of rats....
The predicated frequency of homozygous dominant rats at are: 0.11 (Option A). See the explanation below.
What is a homozygous dominant rat?A homozygous organism has two copies of the same allele for a gene.
If an organism has two copies of the same dominant allele, it is homozygous dominant; if it has two copies of the same recessive gene, it is homozygous recessive.
What is the justification of the above answer?
Note that the total population of rats is: 200
Number of rats with brown fur = 112
The frequency of brown fur rats thus,
112/200
= 0.56
Note that it is also stated that the brown fur rats are dominant in relation to the gray fur rats. Thus, in accordance to Hardy Weinberg's equation, the frequency of the dominant rats is depicted as: p²
Thus:
p² + 2pq = 0.56
Hence, the frequency of the the Homozygous recessive gray rats is given as:
p² + q² + 2pq = 1
q² = 1 - 0.56
q² = 0.44
q = 0.663
P = 1-q
= 1 - 0.663
= 0.337
Thus the frequency of the homozygous dominant rats is:
p²
= 0.337²
= 0.1135
≈ 0.11
Therefore the correct answer is A.
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How We can educate people from the ecological footprint that the 3 main factors of the footprint are transportation, housing and food decisions?
When considering educating people from the ecological perspective, it is important to remark eco-friendly methods of transportation, sustainable homes, and avoid wasting food.
How education is associated with an ecological perspective?The process of education should ideally exhibit a deep connection with ecological issues in order to preserve natural resources and achieve successful resource management.
For example, transportation may be based on the use of eco-friendly strategies such as cycling and the development of suitable green roads.
In conclusion, when considering educating people from the ecological perspective, it is important to remark eco-friendly methods of transportation, sustainable homes, and avoid wasting food.
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What country often experiences the first and worst effects of El Nino, including flooding and destruction of villages?
A. India
B. Japan
C. United States
D. Peru
Peru is the country that often experiences the first and worst effects of El Nino, including severe flooding.
El Nino is a climatic pattern which describes the unusual warming of surface waters and it is part of a larger phenomenon called 'El Nino - southern oscillation (ENSO)'.
ENSO includes the El Nino and La Nino, the warm phase and cool phase respectively. El Nino occurs irregularly at two - seventy years intervals.
El Nino events are indicated by the increase in sea surface temperature by 0.9 Fahrenheit for at least five successive three months intervals.
El Nino has devastating impacts on the Peruvian and Ecuadorian economies. They cause an increase in precipitation which results in a drastically increased rainfall contributing to coastal flooding and erosion. It also destroys buildings, crops and limits transportation.
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NEED ANSWER ASAP The presence of a large population of water lice in a water source indicates what about its pollution levels?
A. Organic pollution is moderate but declining. Oxygen levels are just beginning to increase.
B. Oxygen is plentiful, organic pollution is nearly absent.
C. Organic pollution is very high and oxygen has been depleted.
D. Oxygen levels are moderate, organic pollution is present but low.
The presence of a large population of water lice in a water source indicates that organic pollution is moderate but declining. Oxygen levels are just beginning to increase (option A).
What are indicator species?
Indicator species are living organisms that tells us about the pollution status of our environment (water, air, land) by being absent or present.
Examples of indicator species are as follows;
Water louse
Lichen
According to this question, there is an abundance of large population of water lice in a water body.
This could indicate that organic pollution is moderate but declining and oxygen levels are just beginning to increase because water lice are known to thrive in water bodies with moderate pollution.
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Select the possible energy sources for muscle contraction from the list.
•actin myofilaments
•blood glucose
• muscle glycogen
•glucagon
The possible energy sources for muscle contraction from the list include:
Blood glucoseMuscle glycogen.What is Energy?This is referred to as the ability to do work and the major fuel in the body is referred to as glucose.
Glycogen in muscles also acts as a fuel although its synthesis is usually very slow.
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What is thWhich is a structure that directs the cell's activities?e basic unit of structure and function of all living organisms?
The nucleus is the structure that directs the cell's activities of living organisms.
What is Nucleus?This is an organelle which is usually membrane bound and contains the chromosomes.
It is involved in the control of the synthesis of proteins thereby aiding the directing of the cell activities.
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Which of the following greenhouse gases result from burning fossil fuels?
A. carbon dioxide.
B. methane
C. nitrous oxide.
D. All of these choices are correct.
Answer:
D. All of these choices are correct.
Explanation:
Greenhouse gases are gases that are trapped in the Earth's atmosphere and absorb energy. These gases, which include carbon dioxide, methane, and nitrous oxide, are all released when fossil fuels are burned.
14. What organisms are similar to protists?
Archaeabacteria, eubacteria, and fungi
Plants, archaeabacteria and animals
( fungi, plants, and animals
Eubacteria, fungi, and plants
Answer: Bacteria and archaea are prokaryotes, while all other living organisms protists, plants, animals and fungi are eukaryotes. Many diverse organisms including algae, amoebas, ciliates (such as paramecium) fit the general moniker of protist.
Explanation:
Answer:
I hope this helps.
Explanation: