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Lanthanoid elements [ atomic number : 57 - 70 ] are metals that lie below transition metals in periodic table and are very reactive in nature, they are also reffered as rare earth metals, with characteristics like : they are so soft that can be even cut through by knife, and malleable as well, they are mostly paramagnatic.
so, conclusion can be made that the Correct choice is :
C. Soft and Malleable
This is the gas produced as a product of photosynthesis
oxygen*
Carbon dioxide
Photosynthesis
Light energy
Answer:
carbon dioxide that's the answer
Which of the following do you see at a divergent plate boundary?
Answer:
Effects that are found at a divergent boundary between oceanic plates include: a submarine mountain range such as the Mid-Atlantic Ridge; volcanic activity in the form of fissure eruptions; shallow earthquake activity; creation of new seafloor and a widening ocean basin.
is the use of living organisms or their products to clean up the environment, improve human health, and provide more nutritious and disease-free food.
The use of living organisms or their products to clean up the environment, improve human health, and provide more nutritious and disease-free food is biotechnology. The correct option is B.
What is biotechnology?Biotechnology, at its most basic, is biology-based technology; biotechnology harnesses cellular and biomolecular processes to develop technologies and products that improve our lives and the health of our planet.
The Organization for Economic Cooperation and Development defines biotechnology as "the application of principles and methodologies to the material processing by bioweapons to provide products and services."
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
A) Bioremediation
B) Biotechnology
C) Genetic engineering
D) Biodegradation
E) Bioprocessing
The question is in the picture.
Answer:
B
Explanation:
The nonmetals in groups 5A, 6A, and 7A
A. Lose electrons when they form ions.
B. Form positively charged ions.
C. Form ions with charges of 3-, 2-, and 1-, respectively.
D. Form ions with a numerical charge equal to their group number.
The nonmetals in groups 5A, 6A, and 7A form ions with charges of 3-, 2-, and 1-, respectively; option C.
What are non-metals?Non-metals are elements which form negative ions by the gaining of electrons.
Non-metals are poor conductors of heat and electricity.
Some non-metals combine with metals to form ionic compounds which are able to conduct electricity in molten or solution form.
The non-metals in the period table are usually found in groups 5A, 6A, and 7A.
The non-metals in group 5A include nitrogen and phosphorus.
The non-metals in group 6A include oxygen and sulfur.
The non-metals in group 7A include fluorine and chlorine.
They form ions with charges of 3-, 2-, and 1-, by gaining 3, 2 and 1 electron(s) respectively.
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Plant Tissues
0: - Define a tissue? Name the various tissues found in plants. Give
the characteristics of Meristematic tissue?
Ans: - Tissue:
Answer:
A tissue is a group of cells to do a specific function.
dermal tissue,ground tissue,vascular tissue.
Meristematic tissue has a number of defining features, including small cells, thin cell walls, large cell nuclei, absent or small vacuoles, and no intercellular spaces. The apical meristem (the growing tip) functions to trigger the growth of new cells in young seedlings at the tips of roots and shoots and forming buds.
Explanation:
need thanks and make me brainiest if it helps you
pls help I'll mark brainliest!
Answer:
4th one
Explanation:
I did this in 4th grade
How does heat flowing through Earth's layers contribute to the formation of an ocean basin?
Answer:
Moreover, the way that this works is that convection currents in the mantle causes tectonic plates to move when material near the Earth's core rises, and colder mantle rock sinks. Hot magma wells up at the ridges, forming new ocean crust and shoving the plates apart.
Explanation:
CELL DIVISION QUESTION HELPP PLEASE!!!!!!!1
Answer:
b
Explanation:
in expressing a mammalian gene in e. coli, the most formidable obstacle is the presence of ... question 7 options: 1) introns 2) exons 3) repressors 4) enhancers 5) integrators
In expressing a mammalian gene in Escherichia coli, the most formidable obstacle is introns. Intron help in affecting the nuclear export, rate of transcription and transcript stability.
These introns are present in all eukaryotes as a gene structure and these introns are eliminated by complex molecule that is called spliceosome. The mammalian expression is system of choice that help in the function of a particular protein in most physiologically environment.
Introns are removed by the RNA splicing as RNA matures means these mRNA are not present in the final messenger RNA.
Spliceosome is the large RNA protein complex that help in the removal of introns from nuclear pre - mRNA.
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A streak plate may be used to identify which mineral property? (1 point)
O color
O luster
O cleavage
O tenacity
Answer: Color.
Explanation: The rock is dragged against the plate to show its true colors instead of its visible external colors.
Which of the following is NOT a benefit of fertilizer?
enriches the soil with nitrogen, potassium, and phosphorus
O nourishes plants to encourage rapid and healthy growth
O prevents need to abandon fields and clear land for new ones
allows farmers to grow plants using very little soil
Answer:
Allows farmers to grow plants using very little soil
Explanation:
Fertilizer helps us to return the nutrients to the soil for new or current plants to grow. These nutrients were spent by the plants that were there or the soil was not that rich with nutrients, to begin with. It will not replace soil and growing plants without soil is called hydroponics. Fertilizer is very useful in agriculture currently and most likely will continue to be a good way to grow plants for a while.
Answer: The correct answer is allows farmers to grow plants using very little soil
Explanation: This answer has been confirmed correct.
which bases are found in a strand of DNA
Answer:
Nitrogen Bases: Adenine, Thymine, Cytosine, Guanine
Explanation:
Adenine and Thymine pair together (Apples on the Trees)
Cytosine and Guanine pair together (Cars in the Garage)
all you need is in the photo
Answer:
PROBALY C
Explanation:
What major impact would any of these conditions most likely have on a living species?
A)
If unable to adapt, a species could become extinct.
B)
More food and water would become available.
C.
They would begin reproducing more quickly
D)
Predators would be hunted by their prey.
PLS HELP ASAP If an animal cell wasn't in an isotonic solution, wouldn't active transport be able to balance the cell's volume? If not, why?
Answer:
Animal cells tend to do best in an isotonic environment, plant cells tend to do best in
a hypotonic environment. This is demonstrated in the attached PDF.
Explanation:
A cell that does not have a rigid cell wall, such as a red blood cell, will swell and lyse (burst) when placed in a hypotonic solution, a process called cytolysis. Cells with a cell wall will swell when placed in a hypotonic solution, but once the cell is turgid (firm), the tough cell wall prevents any more water from entering the cell. When placed in a hypertonic solution, a cell without a cell wall will lose water to the environment, shrivel, and probably die. In a hypertonic solution, a cell with a cell wall will lose water too. The plasma membrane pulls away from the cell wall as it shrivels, a process called plasmolysis.
I hope this helps. If not I am really sorry!
what is fermentation
Answer:
the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
Explanation:
Answer:
Fermentation is the process when a substance breaks down into simpler substance. microorganisms like yeast and bacteria usually play a role in the process. it creates beer, wine, bread, yogurt and other foods.
What does mRNA do in protein synthesis?
Answer:
It carries the message on DNA.
Explanation:
According to scientists, why have organisms on earth become more complex?
Answer:
Researchers have found evidence which suggests that evolution drives animals to become increasingly more complex.
Explanation: i looked this up....
A ________ is a fundamental category of classification, ranking below genus.
The species is the fundamental category of taxonomic classification, ranking below a genus or subgenus.
What do the results tell us about the experiment? The bacteria from all 3 farms were almost 100% alive in the control samples, meaning that the experiment did not work. None of the bacteria from the 3 farms survived in the control samples. Because the bacteria in the control were almost 100% alive, we know that any deaths of bacteria in the other samples was because of the antibiotics.
Answer: D
Explanation: The ones who are doing this on Gizmos the answer is D.
“Because the bacteria in the control were almost 100% alive, we know that any deaths of bacteria in the other samples was because of the antibiotics.” Y’all should like my answer n give me the brain answer.
The results tell us that in the experiment the death of the bacteria in the other samples was because of the antibiotics, confirming that the bacteria from the farms are sensitive to antibiotics.
What does it mean that the antibiotic is sensitive to bacteria?If a bacterium undergoes the action of an antibiotic, it is said to be sensitive; if, on the contrary, the antibiotic has no effect on the bacterium, it is said to be resistant. Resistance can be natural or acquired (eg, by plasmid transfer or mutations).
With this information, we can conclude that the results tell us that in the experiment the death of the bacteria in the other samples was because of the antibiotics, confirming that the bacteria from the farms are sensitive to antibiotics.
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Differences in the ________ of certain brain structures can make a difference in functioning.
Answer:size
Explanation:
select characteristics exhibited by most bacteria and archaea to test your understanding of the differences between these microbes and eukaryotic organisms.
Some characteristics exhibited by most bacteria and archaea to test understanding of the differences between these microbes and eukaryotic organisms are nuclear membrane, ribosomes, membrane bound organelles, cell wall structure and size.
Bacteria and archaea comes under the prokaryotic organisms which are different in fundamental ways with the eukaryotic organisms.
The bacteria and archaea have smaller size as compared to eukaryotes. The prokaryotes have no defined nucleus and membrane bound organelles while eukaryotes have.
The cell wall structure of prokaryotes are more complex as compared to eukaryotes. The ribosomes in prokaryotes are smaller as compared to eukaryotes.
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write down the sources and deficiency symptom of calcium
Answer:
Explanation:
Causes of hypocalcemia (calcium deficiency):
- Menopause
- Low levels of vitamin D
- hormonal imbalances (removal/overactivation of parathyroid)
- renal failures
Symptoms of hypocalcemia:
- Memory loss or confusion
- muscle spasms
- numbness/tingling in the extremities (hands, feet, face)
- brittle nails
- more prone to fractures
A distribution between 2 sets of genes is called what?
Explanation:
Allele is possibly the answer
1. A section of the DNA sequence coding for the ordering of multiple amino acids during protein synthesis is a _______: A) Codon B) Anti-Codon C) Intron D) Exon
Answer:
a. codonExplanation:
............
Describe an example of fermentation that occurs in beneficial bacterial cells within animals and explain why it is important.
Fermentation is an anaerobic process in which energy can be released from glucose even though oxygen is not available. Fermentation occurs in yeast cells, and a form of fermentation takes place in bacteria and in the muscle cells of animals. In these situations, your working muscles generate ATP anaerobically (i.e., without oxygen) using a process called fermentation. Fermentation is beneficial in that it can generate ATP quickly for working muscle cells when oxygen is scarce. Fermentation helps break down nutrients in food, making them easier to digest than their unfermented counterparts. For example, lactose — the natural sugar in milk — is broken down during fermentation into simpler sugars — glucose and galactose ( 20 ).
Microbial fermentation takes place within the gastrointestinal tract of the majority of the animals by the bacterial cells, this helps in the process of digestion and in the synthesis of certain essential components like vitamins.
• The enzymatic decomposition and the usage of food components, mainly carbohydrates by the help of microbes like bacteria anaerobically is termed microbial fermentation.
• Within the gastrointestinal tract of the majority of animals, the process of fermentation takes place, however, the intensity of fermentation depends on the quantity of bacterial cells present, which is usually greatest in the intestine.
• The process of fermentation within the intestine by bacteria primarily helps in the process of metabolism and digestion of carbohydrates that does not get digested in the small intestine like residual starch and cellulose.
• Apart from this, microbial fermentation also helps in the production of vitamin K and some B vitamins.
Thus, microbial fermentation within the intestine of the majority of the animals performs essential functions like digestion and production of vitamins.
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Quizlet me Taleshia Cashaw 12-10-20 10 Matching questions 1. genetics A a complex moine that contains all of the sensation necessary to build and maintain an organise 2 Linnaean Classification System B. organisms that are classified together in more strani share more characteristics and more closely related than organisms that are classified together in broader ranks 3 variation Modern Classification Forganisms with the ability to manufacture computer organic compounds from single inorganic molecules obtained from the environment 6 autotrophic . E porganismos that must consume, ingest, absorbereat ongares. taxonomy Kingdom E group of organisms together based upon the past relationship to each other, their type
and number of cells. their way, and their mode of nutrition А A DNA (Deoxyribonucleic Acid) the science of classifying organisms based on their traits 2. Aristotle G. relating or determined by origin development, or causal antecedents of something .D 10 heterotrophic H places more importance on genetic information and how organisms are related to one another the scientist who discovered the first classification system I. occurs in germ cells Le sperm and egg cells, and also in somatic cells.
who developed the first system of classifying organisms
A: linnaeus
B: Darwin
C: mendel
D: watson
HURRY HELP ME OUT ASAP!!
ASAP!!!!!!!!!!!!! What errors tend to lead to pseudoscience
Answer:
consists of statements, beliefs, or practices that are claimed to be both scientific and factual but are incompatible with the scientific method.
Explanation:
Pseudoscience are any methods, theories, or systems that have no scientific basis. Some errors includes: - Having contradictory information - Exaggerated and false cliams - Reliance on bias rather than facts
According to Darwin, natural selection is a process by which?
Answer:
According to Darwin natural selection is a process by which living organisms adapt and change to survive in nature and it's limited resources.