The correct option is B ; concept definition - demonstration - development - production.
Research and development is mainly concerned with the development of a new concept, incorporation into a product, and delivery of product to the market as a way to improve the bottom line of the company.
It allows companies maintain a competitive edge over others in the same industry by bring new and innovative products to the customer.
The stages of R&D include: concept definition - demonstration - development - production.
The innovative idea is first defined and feasibility is evaluated.
The concept is demonstrated to show practicability of the idea.
The concept is further developed to suit customer needs.
Finally production and marketing is done to make product available to the customer.
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Full Question;
Project planning teams use project life cycle models because various types of projects have differing demands. Which of the following sequences of stages is most appropriate for a life cycle model for research and development (R & D) projects?
a. define - measure - analyze - improve - control.
b. concept definition - demonstration - development - production.
c. pre-planning - design - procurement - construction - start up.
d. concept - requirements - design - code - test - turnove.
Which of these provides evidence of the common ancestry of all life?
A.Ubiquitous use of catalysts by living systems
B.Near universality of the genetic code
C.Structure of the nucleus
D.The flow of genetic information from DNA to RNA to protein
E. The directionality of protein synthesis
Answer:d
Explanation:
The organism is made of genetic material that it inherits from the parent cell. The universality of the genetic code provides evidence of the common ancestry of all life. Thus, option B is correct.
What is a genetic code?A genetic code is a triplet of nucleotides that are also defined as codons that characterizes a specific amino acid produced through the process of translation. It consists of the DNA or RNA as the base that forms the codons.
The codons have been unambiguous for a type of amino acid it codes, universal for all living organisms irrespective of the kingdom, and redundant. They are crucial evidence that supports the common originality theory of organisms.
Therefore, option B. the universality of the genetic code is evidence that supports the theory of common ancestry.
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Which of the following takes care of the need to decompose dead material?
O carnivores
O herbivores
O plants
Oscavengers
Plz help
Answer:
scavengers
Explanation:
these are the animals that feed on carrion, dead plants,or refuse.
Describe environmental and health problems caused by polluted air.
Answer:
long terms lung disease and heart problems
Explanation:
Particles too large to enter the membrane need to use a transport-channel proteins, no energy is required and they move from high to low concetration.
A-Ion Pump
B-Facilitated Diffusion
C-Simple Diffusion
D-Osmosis
and it is not C because that’s what i picked
Answer:
B
Explanation:
Facilitated diffusion because the transport channel proteins facilitate(help) the particle to enter the cell
describe the structure of
Answer:
Of what?
Explanation:
Why is diffusion such an efficient process
for all cells?
A. It does not require energy.
B. It occurs so quickly.
C. The high amount of energy used during diffusion is offset by
the amount it creates.
Answer:
A.
Explanation:
Diffusion does not require energy. It's depends on the concentration gradient of the two molecules.
Diffusion is such an efficient process for all cells because it does not require energy. Thus, the correct option is A.
What is Diffusion?Diffusion may be defined as the migration of substances from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.
Diffusion does not require any type of energy for the movement of ions, molecules, or substances. It is a very feasible form of migration of substances.
Diffusion is a type of passive transport and hence takes place in a dropping manner without any expenditure of energy.
Therefore, Diffusion is such an efficient process for all cells because it does not require energy. Thus, the correct option is A.
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This type of energy splits nuclei or combines them
a. Chemical energy
b. Nuclear energy
c. Electrical energy
d. Mechanical energy
Answer:
B. Nuclear energy
this type of energy splits nuclei or combines them.
Explain the existing problems of Agroforestry market in Pakistan
Answer:
Forest ecosystems in Pakistan are no exception and the country faces a crisis as its growing population ([ 208 million) places increasing pressure on the country's food production systems and forest resources. Effective food systems that enhance productivity, increase economic outputs, improve ecological outcomes and maintain social acceptance are needed. Agroforestry, a traditional land management system in Pakistan, offers the opportunity to meet these goals. Planting trees on private farmland provides clear ownership of any timber resource and well managed systems have great potential both to boost agriculture and reduce wood shortages.
Volcanic eruptions can — (1 point)
O draw animals to the area.
O add nutrients to the surrounding soil.
O increase biodiversity.
O drastically alter the ecosystem.
Answer:
Add nutrients to the soil
Explanation:
Plants are destroyed over a wide area, during an eruption. The good thing is that volcanic soil is very rich, so once everything cools off, plants can make a big comeback!
Hope it helped!!!
Answer: Drastically alter the ecosystem
Explanation:
I took the quick check
What are the structural differences between a cockroach and a grasshopper?
Cockroaches have legs for crawling on walls and ceilings, but grasshoppers have legs for jumping. Some cockroaches have wings for flying, but most others don't. Grasshoppers have wings for making a sound, whether it's to attract a mate or to just be annoying. Grasshoppers have a body that is split into multiple segments (more than just one), while cockroaches have only like 2 body segments. Cockroaches have barbs on their legs for a sense of touch, while grasshoppers don't. The legs of a cockroach are very sensitive though. Cockroaches can survive a nuclear explosions because the rads don't affect them. But the heat from the nuclear blast will certainly kill a human, as well as a cockroach if exposed. Obviously, grasshoppers couldn't survive a nuclear explosion. The only down side to roaches surviving a nuclear explosion is them turning into radroaches, like in the Fallout game series from the game developing company, Bethesda Game Studios! If there were a nuclear explosion, then the roaches would mutate into human head sized roaches that can actually attack a human! (this is just a theory, not scientifically proven, lol)
I hope this helps you even a little bit, have a great day.
You are trying to find which wavelength of light would allow algae to do photosynthesis the worst (you want to prevent algal growth in your pond). Describe your experiment setup:
hypothesis (1 point)
independent variable (1 point - you can choose anything)
dependent variable (1 point) and how you will measure the dependent variable (1 point)
variables you will keep constant (1 point)
Answer:
The light reactions of many algae differ from those of land plants because some of them use different pigments to harvest light. Chlorophylls absorb primarily blue and red light, whereas carotenoids absorb primarily blue and green light, and phycobiliproteins absorb primarily blue or red light. Since the amount of light absorbed depends upon the pigment composition and concentration found in the alga, some algae absorb more light at a given wavelength, and therefore, potentially, those algae can convert more light energy of that wavelength to chemical energy via photosynthesis. All algae use chlorophyll a to collect photosynthetically active light. Green algae and euglenophytes also use chlorophyll b. In addition to chlorophyll a, the remaining algae also use various combinations of other chlorophylls, chlorophyllides, carotenoids, and phycobiliproteins to collect additional light from wavelengths of the spectrum not absorbed by chlorophyll a or b. The chromophyte algae, dinoflagellates, cryptomonads (class Cryptophyceae), and the class Micromonadophyceae, for example, also use chlorophyllides. (Chlorophyllides, often incorrectly called chlorophylls, differ from true chlorophylls in that they lack the long, fat-soluble phytol tail that is characteristic of chlorophylls.) Some green algae use carotenoids for harvesting photosynthetically active light, but the Dinophyceae and chromophyte algae almost always use carotenoids. Phycobiliproteins, which appear either blue (phycocyanins) or red (phycoerythrins), are found in red algae and cryptomonads.
Explanation:
sana makatulong
The bonds that link many water molecules together to form a water drop are:
ionic
nuclear
covalent
hydrogen
Answer:
covalent
Explanation:
covalent bonds occur when two atoms-in this case oxygen and hydrogen share electrons with each other
Put these in order from least to greatest amounts of energy made.
= Aerobic respiration
= Fermentation
= Glycolysis
Answer:
respiration makes the most (38 ATP) and the other 2 are if not the same at least very similar both release 2 ATP 2 NADH and 2 pyruvate
Explanation:
Phenotype of offspring:—-?
Genotypes of offspring:—-?
Lol I need help
Answer:
The correct answer is -
The phenotype of offspring (first cross or F1): 100% tall
The genotype of offspring (first cross or F1 - 100% Tt or heterozygous)
The phenotype of offspring in F2 (F1 × F1) - 3:1 (3 tall: 1 dwarf)
The genotype of offspring in F2 (F1 × F1) - 1:2:1 (One dominant tall: two heterozygous tall: one dwarf)
Explanation:
In this experiment of Mendel, Mendel selected the pea plant as it has various characters, short life span, and easy to breed. For this, he used two true breed lines, tall plants that had dominant allele TT and dwarf plant tt (recessive). In presence of the dominant allele, recessive alleles do not show their characteristics and only express if both alleles are recessive.
In the first cross of TT and tt
Gametes: T and t
offspring: Tt
the offsprings are all tall and heterozygous which means one dominant and one recessive allele.
second cross or F1 × F1
Tt × Tt
gametes: T, t and T, t
offspring: TT, Tt, Tt, tt
Thus,
The phenotype of offspring (first cross or F1): 100% tall
The genotype of offspring (first cross or F1 - 100% Tt or heterozygous)
The phenotype of offspring in F2 (F1 × F1) - 3:1 (3 tall: 1 dwarf)
The genotype of offspring in F2 (F1 × F1) - 1:2:1 (One dominant tall: two heterozygous tall: one dwarf)
Deep, cold water is the __________. Warm, shallow water is the ___________.
Question 3 options:
least dense; densest
least dense; least dense
densest; least dense
densest; densest
Answer:
densest, least densest
Explanation:
Answer:
densest; least dense is ur answer!
Hope this helped. K-12
When a roller coaster is at the bottom of the hill it has
a. Potential energy
b. Kinetic energy
c. Both Potential and Kinetic Energy
d. Chemical energy
PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA POINTS*..
IM GIVING 40 POINTS !! DONT SKIP :((.
Answer:
producing crops that can grow in areas where they dont usually grow
Explanation:
What protects the living organisms on the earth from extreme heat and extreme cold?
A. solar system
B. revolution
C. atmosphere
D. changing seasons
Answer:
C) Atmosphere
Explanation:
The atmosphere protects the living organisms on earth from extreme heat and extreme cold.
Answer:
C the atmosphere
Explanation:
please help will give the lots of points
Answer:
I can't put all of them down so here's some
Explanation:
Genotype gene combination.
Heterozygous the different.
Dominant The trait that's always expressed.
2. Inferring Why is it important to have more than one dating technique available?
Answer:
well, I'm no college student but using common sense you need more than one so when one fails the other can come in and hopefully succeed.
Explanation:
The purpose of "crossing over" is
A. to add genetic diversity
B to pull the chromosomes away from each other
C to make identical copies of the parent cell
D to help dissolve the nuclear membrane
Do you think the human species is part of the Earth’s ecosystem?
Answer:
I think that humans would be part of the ecosystem because we produce carbon dioxide for plants, and without carbon dioxide, plants couldn't function. (This is just my opinion on the matter, but if this was a test question, I'd say yes.)
Explanation:
Answer:
Hmmm that's a tough question. In my opinion I believe that they are because they some of us choose to have a role in the ecosystem by helping the Earth become more "green". Maybe think about this, how did we end up here on Earth? (This might go against your science class but we ended up here because God created us all.) I don't know if this helped but I hope that it did. I apologize if it didn't.
Which graph best represents directional selection?
Original population
Onginal population
Original population
Population
after
selection
Population
after
selection
Proportion of individuals
Population
after
selection
Trait Value
Trait Value
Trait Value
Graph A
Graph B
Graph C
COMPLETE
Answer:
Explanation:
I can't help you I can't see the graph
Explanation:
There you go its a for me not b
Question 7 of 10
Our ability to be conscious of some aspects of our environment while
ignoring others is called:
A. the conscious mind.
B. the two-track mind.
C. selective attention.
O D. preconscious attention.
SUBMIT
Selective attention is our ability to be conscious of some aspects of our environment while ignoring others. Therefore, the correct statement is option C.
What is selective attention?
Selective attention is the ability of our mind to be conscious of some aspects while ignoring others. In selective attention, our mind focuses on a certain aspect of the environment and filters out the rest of the aspects. Selective attention is useful as it allows one to focus only on the useful information and responds to an important stimulus in an environment.
Selective attention can be affected by various factors such as our dedication to particular interests and goals. For example, while we are driving in heavy traffic, we will only focus on the potential hazards and ignores all the other information, such as education, career, etc.
Selective attention involves top-down and bottom-up processing. Top-down processing involves the use of information, such as knowledge, goals, etc. to retain our attention, while bottom-up processing involves the use of sensory information to capture our attention.
Therefore, selective attention is our ability to focus on only certain aspects of the environment.
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What type of cells are undifferentiated, but can come specialized
Answer:
Stem cells
Explanation:
|| isolated from embryos or from adult tissue || are immature progenitor cells with the capability to differentiate into a variety of specialized cells that form tissues and organs ||
What characteristic do all protists have in common?
A) flagella that help them move
B) structures made of many cells
C) ability to make their own food
D) cell nuclei that contains DNA
!!^^^
Answer:
D
Explanation:
All other answers are not true.
Why would you need to conduct a test with no enzyme added?
Answer:
Because this offers a control for your experiment.
Explanation:
If you are testing the effects of an enzyme, you need to have a control to compare your results with to see if the enzyme is truly what is causing the phenomenon.
1.The chemical equation for photosynthesis is 6CO2 + 12H20 + light energy= C6H1206 +602 + 6H2O
True
False
Answer:
False
Explanation:
It's this:
6CO₂ + 6H₂O + light energy ⇒ C₆H₁₂O₆ + 6O₂
If there were 12 H₂O molecules, the equation would be unbalanced.
Have a great day!
what are the similarities between a grasshopper and a toad
Well the similarities between them is that both are unicellular organisms... both of them do digestion process as well as excretion i.e perform metabolic axtivites..
both of them are part of eco system and as well as food chain...
and the most funny pne they produve sound by vibrating their vocal chord
How would you describe Lysine? (Select all that apply)
a. It is a fairly large amino acid
b. It is a relatively small amino acid
c. It is flexible
d. It is very rigid
e. It is polar (partial charges only)
f. It is nonpolar
g. It is fully charged
Answer:
Lysine is one of nine essential amino acids in humans required for growth and tissue repair, Lysine is supplied by many foods, especially red meats, fish, and dairy products. Lysine seems to be active against herpes simplex viruses and present in many forms of diet supplements.
Explanation: