Answer:
The importance of optimal nutrition for human health and development is well recognised. Adverse environmental conditions, such as drought, flooding, extreme heat and so on, affect crop yields more than pests and diseases. Thus, a major goal of plant scientists is to find ways to maintain high productivity under stress as well as developing crops with enhanced nutritional value. Genetically-modified (GM) crops can prove to be powerful complements to those produced by conventional methods for meeting the worldwide demand for quality foods. Crops developed by genetic engineering can not only be used to enhance yields and nutritional quality but also for increased tolerance to various biotic and abiotic stresses. Although there have been some expressions of concern about biosafety and health hazards associated with GM crops, there is no reason to hesitate in consuming genetically-engineered food crops that have been thoughtfully developed and carefully tested. Integration of modern biotechnology, with conventional agricultural practices in a sustainable manner, can fulfil the goal of attaining food security for present as well as future generations.
Explanation:
A lending library has a fixed charge for the first three days and an additional charge for each day thereafter. Saritha paid ₹27 for a book kept for seven days, while Susy paid ₹21 for the book she kept for five days. Find the fixed charge and the charge for each extra day.
Answer:
See the attachment.
Hope u understand
In the given question, 5₹ is the fixed charge and 3₹ is the charge for each extra day.
A fixed charge is a fee or cost that remains constant and does not vary with changes in usage or consumption.
Let the fixed charge for the first three days be x and the charge for each extra day be y.
From the given information, we can set up two equations:
For Saritha: [tex]\rm 3x + 4y = 27 -----(equation 1)[/tex]
For Susy: [tex]\rm 3x + 2y = 21 -----(equation 2)[/tex]
We can solve for x and y by using elimination or substitution:
Using elimination, we can multiply the second equation by 2 and subtract it from the first equation:
[tex]\rm 3x + 4y = 27[/tex]
[tex]\rm - (6x + 4y = 42)[/tex]
Solving above equations, we get:
[tex]\rm -3x = -15[/tex]
[tex]\rm x = 5[/tex]
Substituting x = 5 into one of the equations, we can solve for y:
[tex]\rm 3(5) + 4y = 27[/tex]
[tex]\rm 15 + 4y = 27[/tex]
[tex]\rm 4y = 12[/tex]
[tex]\rm y = 3[/tex]
Therefore, the fixed charge is ₹5 and the charge for each extra day is ₹3.
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Select each item in the left column and its match in the right column.
Answer:
Explanation:
Diploid - Having pairs of chromosomes
Chromosome - A strand of DNA wrapped around a protein
Haploid - Having only one set of unique chromosomes
DNA - The molecule that carries genetic information
Sex Chromosome - An X or Y chromosome
Homologous Chromosome - A pair of chromosomes that contain information for the same traits
9. What is the economic importance of beekeeping both in terms of pollinating, crops, and obtaining products from the hive? 10. Explain how the spread of trypanosomiasis can be controlled by releasing male sterile tsetse flies in to an area. Date of submission July 07, 2021 Wednesday
Answer:
9. Bees play a very important role in relation to agricultural production. Indeed beekeeping is a vital part of our agricultural system. Apart from crop plants which are highly dependant on bees, the presence of honey bees also improves the quality and quantity of crops in general.
10. Use insect repellent. Permethrin-impregnated clothing and insect repellent have not been proved to be particularly effective against tsetse flies, but they will prevent other insect bites that can cause illness. The World Health Organization has targeted West African trypanosomiasis for elimination as a public health problem by 2020.
Explanation:
The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is called a(n)
Answer:
epimysium
Explanation:
Epimysium is a sheath of fibrous elastic tissue surrounding a muscle.
It is a layer of dense irregular connective tissue which ensheathes the entire muscle and protects muscles from friction against other muscles and bone
What about cellulose makes it ideal for structural support?
Answer:The answer would be D!
Explanation:
A hydrogen bond is one of the strongest molecular bonds. :)
is the outermost layer of the animal cell
[tex]\color{Black}\huge{Answer} [/tex]
It is the outermost layer in the animal cell and is found just inside the cell wall in the plantcell.Answer:
The Cell Membrane is the outer layer of a cell that separates it from the In both plant and animal cells, the cell membrane is found.
In an animal cell, it is located just within the cell wall, while in a plant cell, it is located just inside the cell wall. Cholesterol is present in the membrane of animal cells, but not in the membrane of plant cells.
Explanation:
An animal cell's outermost layer is the cell membrane.
It is found immediately under the outermost cell wall layer in plant cells.
It is made up of the following components:
a bilayer of phospholipids.Membrane proteins are proteins that are found in the membrane ofChannels in the membraneCholesterol.Receptors that send forth signals.During cell signaling, lipid rafts are used to attach intracellular proteins.It has a fluid or mosaic texture, and the molecules in the layer can move around.
Lisa is giving a speech about Pandas. Her speech includes 3 points: 1) where pandas live; 2) what pandas eat; and three) how pandas reproduce. What type of organization is Lisa using?
Answer:
Topical order.
Explanation:
Text structure can be defined as words used to describe how a writer or an author organizes his or her words in a literary work.
A topical order refers to a way of structuring a text or organizing a speech based on the main topic and dividing it into several subtopics in logical categories (steps).
In this scenario, Lisa is giving a speech about Pandas. Her speech includes 3 points:
1) Where pandas live.
2) What pandas eat.
3) How pandas reproduce.
Thus, the type of organization Lisa is using is topical.
In conclusion, a speech or text organized in a topical order has its main points organized as subtopics which are well related with the main topic.
When Adenosine Triphosphate is used, it breaks down into:
A. Glucose
B. It doesn't break down
C. Thymine Triphosphate
D. Adenosine Diphosphate
Answer:
D. Adenosine DIPHOSPHATE
Explanation:
ATP is hydrolysed to ADP in the reaction ATP+H20->ADP +Pi + energy
When Adenosine Triphosphate is used, it breaks down into Adenosine Diphosphate.
Adenosine diphosphate (ADP)
Adenosine diphosphate (ADP), also known as adenosine pyrophosphate (APP), is an important organic compound in metabolism and is essential to the flow of energy in living cells. ADP consists of three important structural components: a sugar backbone attached to adenine and two phosphate groups bonded to the 5 carbon atoms of ribose. The diphosphate group of ADP is attached to the 5’ carbon of the sugar backbone, while the adenine attaches to the 1’ carbon.
ADP can be interconverted to adenosine triphosphate (ATP) and adenosine monophosphate (AMP). ATP contains one more phosphate group than does ADP. AMP contains one fewer phosphate group. Energy transfer used by all living things is a result of the dephosphorylation of ATP by enzymes known as ATPases. The cleavage of a phosphate group from ATP results in the coupling of energy to metabolic reactions and is a by-product of ADP.ATP is continually reformed from lower-energy species ADP and AMP. The biosynthesis of ATP is achieved throughout processes such as substrate-level phosphorylation, oxidative phosphorylation, and photophosphorylation, all of which facilitate the addition of a phosphate group to ADP.
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What is a substrate?
a. a molecule that acts as a catalyst
b. a place on the enzyme where the reaction occurs
c. a place on the product where the enzyme fits
d. a reactant that is catalyzed by an enzyme
Answer:
D- it connects to the active site to create an enzyme- substrate complex
Explanation:
:)
For young men of age 20, there have been 150 rounds of DNA replication during sperm production as compared to only 23 rounds for a woman of age 20. That is a 6.5-fold greater number of cell divisions and proportionately greater opportunity for new point mutations. Yet, on average, 20-year-old men contribute only about twice as many new point mutations to their offspring as do women. How can you explain this discrepancy
Answer:
A plausible hypothesis is that deleterious germline mutations in sperm cells are removed by natural selection since sperms have to compete to fertilize the egg
Explanation:
Sperm cells need to travel through the cervix in order to reach the uterus and fertilize the egg. During this process (which is called 'fertilization'), approximately 300 million sperm cells have to compete in a race to reach an egg. During fertilization, the majority of sperm cells die off quickly because male germinal cells carry mutations that lead to abnormalities (e.g., many sperms have double heads, others no tail, etc). The sperm cells are considered to be physiologically weak because their normal functions can be easily disrupted by mutations and, simultaneously, they are under strong selective pressure to be selected during the sperm race. In consequence, deleterious germline male mutations are expected to be eliminated by natural selection, thereby sperms are selected before fertilization so only the strongest ones can compete in the race to fuse with the egg cell and thus develop one zygote.
Which does not provide for enhanced genetic mixing?
A.Mix-matching
B.Random segregation
C.Crossing over
D.Fertilization that occurs through sexual reproduction
Answer:
A. Mix-matching
Explanation:
Sexual reproduction increases genetic variation in offspring by three main mechanisms: 1-random assortment of chromosomes during meiosis 2-genetic recombination, and 3-random fusion of gametes from different parents. In the first place, the pairs of homologous chromosomes are randomly oriented in metaphase I before they separate in Anaphase I. In consequence, daughter gamete cells receive different combinations of chromosomes. Second, recombination (also called crossing over) refers to the interchange of genetic material between non-sister chromatids during prophase I, thereby also increasing genetic variation in daughter cells. Third, the fusion of two haploid cells (i.e., gametes) in diploid organisms results in the formation of a single zygote cell that develops into a new organism, thereby the process of random fertilization between any two gametes generates different diploid zygotes, increasing thus genetic diversity.
At each ______ foramen, the dura mater extends between adjacent vertebrae and fuses with the connective tissue layers that surround the ______.
Answer:
At each intervertebral foramen, the dura mater extends between adjacent vertebrae and fuses with the connective tissue layers that surround the spinal nerves.
Explanation:
The dura mater is the outermost meninge. It is around the spinal cord and the brain, and it protects these organs. In the spine, the dura mater extends between the intervertebral foramen. The intervertebral foramina are the areas between each vertebra that have spinal nerve projections. In these areas, the dura mater extends to seclude the space where the spinal cord is since it fusses with the tissue that is around each spinal nerve to stop the entrance of any pathogen to the spinal canal, which is the space that contains the spinal cord.
Chapter 1: Cells Exercise Multiple Choice Question 1. A cell has mitochondria, centrosome with centrioles, nucleus and other cell organelles. Based on this information, this cell could be a cell of A, an apple. B. a yeast. Co a cat. D. a flower
Answer:
C. a cat
Explanation:
only animals have centrosomes.
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Plant species A has two alleles for leaf color. If plant species B has four alleles for leaf color, how will the two species differ in their appearance?
A. Species A will have more colors on each leaf than species B.
B. Species B will have fewer phenotypes for leaves than species A.
C. Species A will have fewer leaves per plant than species B.
D. Species B will have a greater variety of leaf colors than species A.
Answer: D
Explanation: It would be D because it has a larger amount and all species vary and leaves can be exactly the same they change color and evolve into different shapes
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Which type of seismic wave is recorded by a sesimoraged first during an earthquake ?
Microorganisms are classified as bacteria, fungi, protozoa and algae. Viruses are
not explicitly categorized as microorganisms. Give reason.
Answer:
Yes
Explanation:
Because they have both living and non living characteristics so it is hard to classify them as they posses living characteristics as reproduction and others when inside the host and posses non living characteristics when outside the host
In microorganisms micro means small and organism means living ones, so those living ones which are not seen without the help of a microscope, are microorganism.
What are viruses?Viruses are obligate parasites and are very small in size. Viruses cannot live outside the host cells as they require host cell gene expression machinery to divide and perform metabolic reactions. Viruses remain inactive in the environment until found the host cells.
As viruses cannot qualify the criteria of living beings because they cannot survive separately in the evnironment, that's why cannot be considered living organisms.
Mostly microorganisms are single-celled organisms like bacteria, fungi, and protozoa. Viruses are not considered microorganisms because they are nonliving outside the host body.
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If the first base in the sequence below were mutated to a C, what would that do to the amino acid sequence?
A U G G C G G A A
Methionine, Alanine, Glutamic Acid
Answer:
it would be Leucine , Alanine , Glutamic Acid
Explanation:
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Now you are going to use station data to write weather forecasts for several cities for today. Write your
forecasts in complete sentences. Assume you are writing for the general public Be sure to discuss
temperatures, winds, and possible precipitation
Answer:
Temperatures and direction of wind are the following.
Explanation:
Los Angeles has highest temperature i.e. 56 and lowest temperature of 47 degree Fahrenheit and wind moves towards Southwest direction.
Salt Lake city has highest temperature i.e. 42 and lowest temperature of 36 degree Fahrenheit and wind moves towards West direction.
Chicago II has highest temperature i.e. 28 and lowest temperature of 27degree Fahrenheit and wind moves towards Midwest direction.
Philadelphia has highest temperature and lowest temperature is the same i.e. 56 degree Fahrenheit and wind moves towards Northeast direction.
New Orleans has highest temperature i.e. 75 and lowest temperature of 70 degree Fahrenheit and wind moves towards South direction.
The landscape of the Amazon rain forest has become more fragmented over the past half century. Thus, we would say that its _______ has changed.
Answer:
Structure.
Explanation:
It has changed its structure. Structure is the correct answer.
State any two human activities that have a direct impact on soil formation
Answer:
Nonetheless, some human activities have clear direct impacts. These include land use change, land management, land degradation, soil sealing, and mining. ... This in turn leads to loss of soil carbon and other nutrients and to changes in soil properties and in soil biodiversity.
Which of the following characteristics must an object possess in order to be considered alive? Select all that apply
Explanation:
responds to the environment.
It grows and develops.
It produces offspring.
It maintains homeostasis.
It has complex chemistry.
It consists of cells.
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Which of the following parts of the brain is related to controlling water concentration and Osmosis?
A. Basal Ganglia
B. Thalamus
C. Hypothalamus
D. Pituitary Gland
Answer:
The correct answer is - D.
Explanation:
The pituitary gland is the gland that releases the ADH hormone that helps in reabsorption and regulates the osmoregulation and water concentration in the body. Antidiuretic hormone is an important hormone in water concentration regulation.
Hypothalamus is the part of the brain other than the Pituitary Gland that helps in controlling water concentration and Osmosis by controlling pituitary gland.
The correct answer is - D.Pituitary Gland
what does forage mean?
Answer:
to obtain food in the wilderness
Answer:
(of a person or animal) search widely for food or provisions.
food such as grass or hay for horses or cattle
Asexual reproduction differs from sexual reproduction in that Group of answer choices asexual reproduction utilizes DNA from two parents to code for traits in offspring. asexual reproduction occurs only in plants. asexual reproduction produces offspring containing DNA from only one parent. asexual reproduction only occurs in animals. asexual reproduction produces genetically diverse offspring.
Answer:
Asexual reproduction produces offspring containing DNA from only one parent.
Explanation:
Asexual reproduction produces offspring containing DNA from only one parent because in asexual reproduction, the organisms born or produced from a single parent. The offspring is identical to their parent and this process of asexual reproduction occurs in both plants and animals. Asexual reproduction produces identical not genetically diverse offspring in the end of the process.
Answer:
Because asexual reproduction results in the birth or creation of organisms from a single parent, the children created have DNA from just one parent. Both plants and animals can reproduce asexually, and the progeny are identical to their parents. Asexual reproduction ultimately results in identical, not genetically different, offspring.
Explanation:
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In some cases, people who test positive for genetic testing can receive preventive treatments. For example people who test positive for the breast cancer genes BRCA1 and BRCA2 can have a preventive mastectomy (breast removal surgery) before they develop the disease. In other cases, no preventive treatments are available, but frequent monitoring can help detect a disease earlier, when it's more easily treated.
What ethical or professional concerns does a health-care professional need to address when he or she has a patient who wants to prematurely treat a genetic disease? Do you think genetic testing should be part of normal preventive healthcare? Why or why not.
Answer:
Yes because genetic testing will provide enough evidice for the genetic disease. If you do so you can find diseases before they have long lasting effects on the hosts body
Explanation:
The outer planets are made mostly of gas which makes them
Answer:
The four outer planets are all gas giants made primarily of hydrogen and helium. They have thick gaseous outer layers and liquid interiors. The outer planets have numerous moons, as well as planetary rings.Carryonlearning
What is meant by "lowering the
activation energy" ?
A. Less energy is required to start the reaction
B. Less energy is released by the reaction
C. Less energy is absorbed by the reaction
Links and random answers will be reported
Answer:
a
Explanation:
activation is the start
Answer:
a
Explanation:
The structural integrity of bacteria is to peptidoglycan as the structural integrity of plant spores is to
Answer:
Lignin.
Explanation:
The structural integrity of plant spores is lignin that is present in many parts of the plant. This lignin provides hardness to the plant body which help them to stand the plant erect. If this lignin is not present in the plant body the plant will not stand erected. This lignin is present in large amount in the stem of plant body so that's why the lignin provides structural integrity to plant spores
Which of the following biomolecules aids in cellular transport, metabolism, and
immunity?
O nucleic acids
O lipids
O carbohydrates
O proteins
Answer:
hey
Explanation:
the answer is PROTEINS
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