If an agriculture field is sprayed with insecticides, often the ______ insects are replaced by ______ insects that are no longer affected by the insecticide.
Answers
If an agriculture field is sprayed with insecticides, often the non-resistant insects are replaced by resistant insects that are no longer affected by the insecticide.
A heritable alteration in a pest population's susceptibility to a certain insecticide or set of insecticides is known as insecticide resistance.Regardless of how a crop protection was created, insects may evolve a resistance to it. A chemical or biological weapon, a gene from the crop species that has been bred into commercial plants using traditional plant breeding techniques, or a gene inserted using recombinant DNA technology could all be used as a crop defense.Due to their unique genetic make-up, a tiny fraction of the pest population may survive exposure to a pesticide after its initial application. The genes for resistance are passed on to the following generation by these people.learn more about resistance here: https://brainly.com/question/13092147
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Related Questions
For every bacterial cell that undergoes sporulation, there are two resulting bacterial cells. O True False
Answers
The statement "For every bacterial cell that undergoes sporulation, there are two resulting bacterial cells" is false. Sporulation is a process where some bacteria transform into a dormant state called a spore. Only one spore is produced per bacterial cell during sporulation.
Bacterial sporulation is a process where some bacteria convert to a dormant state called a spore. Sporulation can occur in some bacteria species under stress conditions such as a lack of nutrients. Sporulation starts when the bacterial cell divides into two unequal-sized compartments. One compartment is the smaller forespore while the other is the larger mother cell.
The mother cell engulfs the forespore within itself and forms a spore. Only one spore is produced per bacterial cell during sporulation. These spores can survive in harsh environments and then germinate into new bacterial cells when conditions are favorable again. Therefore, the statement "For every bacterial cell that undergoes sporulation, there are two resulting bacterial cells" is false.
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Help me plss, I will brainliest
Relate the words Extrusive and Intrusive to the words Exterior and interior. Explain how the meanings of these words help you understand each type of igneous rock.
Answers
Answer:
intrusive igneous rocks cool from magma slowly because they are BURIED beneath the surface extrusive igneous rocks cool from lava rapidly because they form at the surface and the meaning of those words are simple intrusive means inside of something like interior and extrusive means outside which is like exterior
calcium is released and sequestered differently in skeletal and cardiac muscles. what is one physiological relevance of cardiac muscle calcium handling?
Answers
Calcium is released and sequestered differently in skeletal and cardiac muscles, this difference is due to the specific properties of the muscle fibers of each muscle.
In skeletal muscle, calcium is released from the sarcoplasmic reticulum (SR) into the cytoplasm in response to an action potential. In cardiac muscle, calcium is released from the SR and also from the extracellular space. This difference in calcium handling is physiologically relevant because in cardiac muscle, calcium ions play a key role in the contraction and relaxation of cardiac muscle fibers. Calcium ions bind to the protein troponin, which then triggers a series of events that result in muscle contraction. The cardiac muscle fibers are able to release calcium ions from the SR and extracellular space, this allows for a more rapid and sustained contraction of the cardiac muscle, which is necessary for the efficient pumping of the blood throughout the body.
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Earth's magnetic field affects:
O A. all magnets and moving charged particles.
B. only electromagnets and charged particles.
C. only other planets.
O D. only permanent magnets.
Answers
Answer:
all magnets and moving charged particles
Explanation:
hope it helps .
Answer:
A
Explanation:
Hope it helps
Cell division results in reproduction, growth, replacement and recycling of the organism.
true or flase
Answers
Answer:
False
Explanation:
Answer:
True
Explanation:
Cell division is a form of reproduction in cells. It helps in the replacement of old cells, and allows multicellular organisms to develop from one cell.
Explain symbiosis and the rationale for your choices in this section. Write down relevant notes regarding your design.
PLS I'LL GIVE BRAINLY
Answers
Answer:
Hi there !
Symbiosis is a close association between two organisms in which both of them benefit from the other . Each member is called a symbiont . Examples of such association are
algae and fungus in lichenprotozoa in the intestine of termiteflowers and insects etcHope this helps!
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use the images and information from the article to selecte the TRUE statment
Answers
Explanation:
theres no picture in it
conservative estimates indicate that well over ninety percent of all organisms that have ever lived on the planet are now extinct. conversely, there is a tremendous amount of biodiversity that exists today, as 1.7 million species have been described by science thus far, and yet this is a small percentage of the actual number of species currently alive. how can we reconcile these two facts?
Answers
Conservative estimates suggest that over 90% of all organisms that have ever lived are now extinct, while simultaneously, there is remarkable biodiversity with 1.7 million species described by science, representing only a small fraction of existing species. Reconciling these two facts involves understanding the evolutionary process and the immense timescale of Earth's history.
Over millions of years, species undergo adaptation and diversification, driven by natural selection, leading to the vast biodiversity we see today. Extinction events, such as climate change or natural disasters, contribute to the high percentage of extinct organisms. However, these events also open up new ecological niches, allowing the survivors to adapt and thrive.
Moreover, the sheer amount of time Earth has existed allows for numerous species to emerge, evolve, and go extinct. With constant speciation and extinction events, a considerable number of extinct organisms is expected, while simultaneously allowing for present-day biodiversity.
Thus the high extinction rate and existing biodiversity can be reconciled through understanding the dynamics of evolution, the impact of extinction events, and the vast timescale of Earth's history.
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help me rq.............
Answers
Answer:
The size of the largest virus is as big as the smallest bacteria.
Explanation: The smallest bacteria are about 0.4 micron (one millionth of a meter) in diameter while viruses range in size from 0.02 to 0.25 micron.
Answer:
3 is ans
because bacteria are multicellular and bigger and conplex than viruses
in which phase of the cardiac cycle is the volume in the ventricles actively moving from esv toward edv?
Answers
The ventricular volume actively moves from end-systolic volume (ESV) to end-diastolic volume (EDV) during the ventricular diastole phase of the cardiac cycle.
During this phase, the ventricular walls are relaxed and the semilunar valves are open, allowing blood to passively enter the ventricles from the atria. This influx of blood into the ventricles causes the EDV to increase and ESV to decrease, thus allowing the ventricles to fill up with blood. This filling is followed by the ventricular systole phase, in which the ventricles contract, driving blood out of the ventricles and into the circulation.
In summary, during the cardiac cycle, the ventricular volume actively moves from ESV to EDV during the diastole phase. This phase is followed by the ventricular systole phase, in which the ventricles contract and drive blood out of the ventricles into the circulation.
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which of the following can cause a decrease in dissolved oxygen in the water ?
a. a small population of fish
b. a large number of plants
c. excessive plant debris
d. lack of animal life
Answers
Answer: c
Explanation: As the algae die and decompose, the process consumes dissolved oxygen. This can result in insufficient amounts of dissolved oxygen available for fish and other aquatic life.
could the effects of aging be partially reversed if connective tissue had the same level of regeneration as epithelial cells?
Answers
Yes, it is possible, as connective tissue deterioration causes wrinkles and other indicators of age.a fragile, loose network of fibers that supports vascular tissues and permits blood cells to circulate through the tissue.
What is connective tissue?Tissue that supports, protects, and gives structure to other human tissues and organs.
Connective tissue serves to store fat and repair damaged tissue, in addition to assisting in the movement of nutrients and other substances between tissues and organs.
Holding structures together and providing support for organs and the body as a whole, connective tissues also store fat, move substances, fend off disease, and aid in tissue healing.
Therefore, the effects of aging are partially reversed if connective tissue had the same level of regeneration as epithelial cells.
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Put the events in the correct order.
(1. Decomposers increase oxygen consumption) (2. Algae consume the
available nutrients and then begin to die off) (3. Decomposers break down
algae and increase in number) (4. An algal bloom occurs)
Answers
Answer: 3
Explanation:
what are the essential functions of the nervous and skeletal system
Answers
hope this helped!
Define the term "inertia" and describe an example of a situation where inertia is present.
Answers
Dr. Majid met with a new patient who had a long list of puzzling symptoms. After talking with him for about 10 minutes, dr. Majid told the patient that she needed to run some tests. Dr. Majid ordered a series of blood and urine tests but privately believed that the patient probably had diabetes. When the test results came back, dr. Majid sat down to analyze them. Analyzing the test results to confirm or disprove her hunch is an example of the _____ stage of intuition
Answers
The stage of intuition that involves analyzing test results to confirm or disprove a hunch is known as the verification stage.
During this stage, Dr. Majid carefully examines the blood and urine test results to determine if they align with her initial suspicion of the patient having diabetes.
The analysis of these results involves looking for specific indicators and patterns that are characteristic of diabetes, such as elevated blood sugar levels or the presence of glucose in the urine.
By conducting this analysis, Dr. Majid aims to verify or disprove her hunch based on the objective data provided by the test results.
This stage is crucial in the diagnostic process as it helps to confirm or rule out potential conditions, guiding further treatment decisions.
It's important to note that while the verification stage is an integral part of intuition in medicine, it is not the only stage. Intuition in medicine involves a combination of pattern recognition, clinical experience, and analytical thinking.
The verification stage allows healthcare professionals like Dr. Majid to ensure that their initial hunches are supported by objective evidence and helps to avoid any potential biases or errors in diagnosis.
In summary, the stage of intuition that involves analyzing test results to confirm or disprove a hunch is called the verification stage.
During this stage, healthcare professionals review the objective data provided by the test results to validate their initial suspicions and guide further treatment decisions.
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One of the first breakthroughs in biotechnology was the discovery of the gene
that makes insulin. Part of this process involved scientists making DNA to
match each possible sequence of insulin mRNA. What was the next step of
this process?
A.
Scientists found the DNA in the pancreas
that matched the
manufactured DNA.
B. Scientists inserted
pancreas DNA into bacterial cells.
C. Scientists used the
codon table to find the possible sequence of
mRNA.
D. Scientists mixed small portions
of manufactured DNA with DNA
from the pancreas.
Answers
Scientists made DNA to match each possible sequence of mRNA
In order to match every potential mRNA sequence, scientists created DNA.
To manufacture insulin properly, the following procedures must be followed:
1. The pancreatic cell is stripped of the human gene that produces insulin.
2. The insulin mRNA's possible sequence is then determined.
3. A restriction enzyme and DNA from bacteria are used to make the recombinant DNA of the human insulin-producing gene.
4. This recombinant DNA is then given to the bacterium.
5. Recombinant DNA is used to multiply the bacterium in order to produce human insulin.
Deoxyribonucleic acid is a kind of DNA. DNA is a polymer made up of two polynucleotide chains that coil around one another to create a double helix. (listen);[1] DNA) All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid (RNA). Nucleic acids are one of the four main categories of macromolecules that are necessary for all known forms of life, along with proteins, lipids, and complex carbohydrates (polysaccharides).
Because the two DNA strands are made up of simpler monomeric units termed nucleotides, they are referred to as polynucleotides.
Each nucleotide is made up of a phosphate group, a deoxyribose sugar, and one of the four nitrogen-containing nucleobases (cytosine [C], guanine [G], adenine [A], or thymine [T]).
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Observing cheek cells information
Answers
Answer:
Cheek cells are fairly easy to observe, simply take a flat toothpick and rub it on the inside of the cheek. Swirl the toothpick in a drop of methylene blue on a microscope slide. Place a coverslip on the slide and view with a light microscope. Cells from the cheek are a type of epithelial cell, similar to skin.
Explanation:
Answer:
The inner lining of the mouth is composed of the basal mucosa which has the squamous epithelial cells. These cheek cells replicate every day and the dead cells are shed from the body. The cheek cells were stained with methylene blue for 2 minutes and mounted with glycerol.
What feature makes carbohydrates and fats energy sources? Both have a lot of oxygen atoms. Both have a lot of bonds with loosely held electrons. Both are hydrophobic molecules Both form hydrogen bonds with water. Both have a lot of bonds with tightly held electrons.
Answers
The feature that makes carbohydrates and fats energy sources is that both have a lot of bonds with loosely held electrons.
When it comes to energy production, what feature makes carbohydrates and fats energy sources is that both have a lot of bonds with loosely held electrons. This is what allows them to be oxidized to generate energy. The bonds between carbon and hydrogen atoms in carbohydrates and fats are particularly rich in electrons. These electrons are held relatively loosely compared to other chemical bonds, which makes it easier for them to be broken apart and transferred to other molecules in the process of cellular respiration.
Thus, the energy production feature of carbohydrates and fats is due to the fact that both have a lot of bonds with loosely held electrons.
These bonds store chemical energy, which can be released and used by the body when needed. The process of breaking these bonds during metabolism generates energy for various biological processes.
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When does a fetus begin getting into position for birth?
O
second trimester
third trimester
early labor
O
active labor
Answers
Answer:Active Labor
Explanation: The baby does not go down into the birth canal until the mothers water sac has broken and dilation begins
what is the function of the ampullae of lorenzini?
Answers
Answer:
The ampullae detect electric fields in the water, or more precisely the potential difference between the voltage at the skin pore and the voltage at the base of the electroreceptor cells.
Explanation:
This is a short question if anyone would be able to help me please i really need the help!!!!
Answers
What is it i hope i can helps you:(
What is the main ingredient in magnets? *
A. Gold
B. Copper
C. Bronze
D. Silver
E. Iron
F. Magnesium
Answers
Answer:
Magensium
Explanation:
Answer:
iron
Explanation:
The metal called ferromagnetic metals that goes along with nickel and iron
Tami is doing experiments on three different unknown solids. She understands that treating them in different manners might result in changes to their bonding, and these changes may help her identify unknowns. She treats samples of each solid four different ways: heating them, letting them cool, shining bright light on them, and hitting them once with a hammer. The chart shows what happened to each sample.
Based on how they each acted in the trials, which substance(s) would most likely be metallic?
A and B
B
C
A and C
Answers
Complete the sentence:-
1-A
is a cold mixture of dust and ice that gives up a long trail of light as it
approaches the sun.
2-Star is a giant ball of hot gas mainly composed of
and
3- A................... is a group of stars that people imagined to represent a figure, animal or object.
4-
is a body that orbits a planet. The moon is Earth's only
satellite.
5-......
is an object that orbits around the sun due to force of gravitation. There are
planets, among them
are visible from the Earth without a telescope
they are Mercury, venus, Mars, Jupiter, and Saturn.
I
6-A ............ is the streak of light produced when a small object burns up entering Earth's
atmosphere. You can see a meteor on almost any night.
Answer the questions
Answers
Answer:
3)constellations
4moon
5) among them Venus
6)lightining
2- Hydrogen and Helium
On any given day, the weather forecast might say that rain, snow, and sleet are expected. Which of the following statements is describing this area’s climate?
Group of answer choices
A. Last January it snowed for 17 days in a row.
B. Sleet is a combination of rain and snow.
C. The rain turned to sleet and snow later that afternoon.
D. Rain, snow and sleet are common during the month of December.
Answers
Answer:
C
Explanation:
Because it makes more sence
Frozen raindrops that hit the earth's surface are known as sleet (Ice Pellets). When sleet first forms, snow will be the precipitation that falls upwards. Thus, option C is correct.
What weather forecast rain, snow, and sleet are expected?Both sleet and freezing rain develop using the same fundamental mechanism: liquid droplets in a layer of warm air above the surface descend into a layer of freezing air close to the ground.
When snowflakes fall through a thin layer of warm air, they only partially melt, resulting in sleet.
These slushy drops then refreeze as they fall through a thick layer of icy air above the surface, and when they finally make it to the ground, they do so as frozen raindrops that bounce as they hit the ground.
When rain falls through a chilly layer and directly on the ground, it freezes on contact and forms a layer of ice. This is known as freezing rain.
Therefore, Snow that falls from a cloud and melts as it passes through an upper layer before falling back through a lower layer below freezing is known as sleet.
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I need help with this question (don’t need the evidence part)
Answers
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why is cell division and motosis important for maintaining complex organism?Because Cell division is fundamental to all living organisms and required for growth and development. As an essential means of reproduction for all living things, cell division allows organisms to transfer their genetic material to their offspring. And Cell division plays an important role in all living organisms, as it is essential for growth, repair and reproduction. This process helps in Renewing of damaged cells. Production of new cells from older ones. And motosis is a process that helps cell devide and grow. It is important for organisms because it allows them to survive and grow. Motosis is also important for the development of embryos, as it helps them to develop into different types of cells.
Cell division:Cell division is the process in which a parent cell divides, giving rise to two or more daughter cells. It is an essential biological process in many organisms. It is the means used by multicellular organisms in order to grow, replenish (repair), and reproduce.
Motosis:The mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei. Cell division gives rise to genetically identical cells in which the total number of chromosomes is maintained. Therefore, mitosis is also known as equational division.
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Explanation:
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which nucleotides break the rules of watson- crick base pairing when they are found at the wobble position of the anticodon?
Answers
The nucleotides Uridine (U), Inosine (I), and Guanosine (G) can exhibit non-standard base pairing at this position.
Nucleotides are the building blocks of nucleic acids, which include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). They are organic molecules composed of three main components: a sugar molecule, a phosphate group, and a nitrogenous base. Nucleotides link together through phosphodiester bonds formed between the phosphate group of one nucleotide and the sugar molecule of the next nucleotide, creating a linear chain. This forms the backbone of nucleic acids.
The sugar molecule in nucleotides can be either ribose (in RNA) or deoxyribose (in DNA). The phosphate group consists of a phosphorus atom bonded to four oxygen atoms. The nitrogenous base is a heterocyclic ring structure containing nitrogen atoms. There are four types of nitrogenous bases found in nucleotides: adenine (A), thymine (T, found in DNA only), cytosine (C), guanine (G), and uracil (U, found in RNA only, replacing thymine).
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please help me answer this
Answers
Answer:
last one a dormancy structure D
Explanation:
It helps keeps bacteria and stuff dormant`
what is shunting the blood so that it may be filtered known as?
Answers
Answer: Dialysis
Explanation: Dialysis involves either shunting the patient's blood through a special machine (haemodialysis) that helps remove the wastes while preserving water and salts, or removing wastes through fluid introduced into the abdomen (peritoneal dialysis).
Shunting the blood so that it may be filtered is known as Hemodialysis. It is a long answer. Hemodialysis is a process of removing waste and extra fluid from the blood.
Blood is filtered outside the body using a machine called a dialyzer, also known as an artificial kidney.The process of shunting blood for it to be filtered during hemodialysis is done through a vascular access, which is created by a minor surgery that connects an artery and vein, usually in the arm. The blood is pumped from the patient's bloodstream into the dialyzer, which filters the blood, and the filtered blood is returned to the patient's bloodstream.
Hemodialysis is used when the kidneys are unable to filter the blood on their own due to kidney failure. This may be caused by various factors, including diabetes, high blood pressure, glomerulonephritis, and other kidney diseases. Hemodialysis is usually done three times a week for three to five hours per session.
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