Technological design provides multiple solutions to a single problem.
What is technology?Technology is the application of scientific knowledge to produce tools for use of man to make life more comfortable and work easier.
Technological design refers to the various designs of tools used by man.
Technological design ensures that there are multiple tools available for man to solve a particular problem.
For example, cars, ships and aeroplanes are various technological design for transport.
Therefore, technological design provides multiple solutions to a single problem.
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A researcher is interested in the effect of fertilizer on the numbers of flowers produced. She sets up an experiment with 4 groups of identical rose bushes. Group 1 receives 1 ounce of fertilizer, Group 2 receives 2 ounces, Group 3 receives 3 ounces and Group 4 receives no fertlizer. The plants receive the same amount of water, sunlight and humidity. She counts the number of flowers on each plant at the end of one month. What is the independent variable in the study?
a. number of flowers
b. height of plant
c. amount of water
d. amount of fertilizer
Which of the following organelles would be affected first if there were no lipids present to allow nutrients to enter the cell and waste to be removed from the cell?
a. cell wall
b. endoplasmic Reticulum
c. golgi body
d. cell membrane
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Carbon dioxide (CO2) is released during which of the following stages of cellular respiration?
Answer:
During glycolysis carbon dioxide is released
Explanation:
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Explain the relationship between these terms. Photosynthesis, chlorophyll, thylakoids, and chloroplasts.
Answer:
Photosynthesis is the process by which plants take sunlight, carbon dioxide, and water to produce more complex molecules such as glucose and oxygen. This process is carried out cellularly in the chloroplasts. Chloroplasts are formed by thylakoid membranes where pigments such as chlorophyll are found. Chlorophyll is the pigment that captures the photons of light and activates the entire photosynthetic system through the excitation of an electron.
Answer:
Photosynthesis occurs in the chloroplasts.
Chloroplasts capture light energy.
Thylakoids can be found inside chloroplasts, where light-dependent reactions occur.
Chlorophyll is found in the thylakoids.
Chlorophyll absorbs light energy.
Chlorophyll is what makes plants look green.
Explanation:
The diagram below shows the morphological change of two species.
Which statement explains why species 1 and species 2 are different?
Natural selection can cause gradual speciation changes.
Natural selection favors traits that can transmit through generation.It can leads to a new distinctly different species.What is natural selection?It is the process through which populations of living organisms adapt and change to new environment conditions and pass these genes to next generations.
Define speciation?It is how a new species of an organism is created.It occurs when a group within a species separates from other members of its species and develop its own unique characteristics.To know more about natural selection here
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Match the term to its definition.
control group, data, hypothesis, inference
observations that may be quantitative or qualitative
a tentative, testable scientific explanation
useful for determining the effect of the independent variable
a logical interpretation based on prior knowledge
Explanation:
hypothesis is the last one
data is the 3rd one
inference is the 2nd one
and control group is the first one
process of elimination is your best friend
The organic group that provides for growth and repair
Answer:
The organic group that provides for growth and repair
Explanation:
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Answer:
A. Bees and Butterflies receive food while pollinating the flowers.
which of the following statements about enzyme function is true
Answer:
What are the rest of the answer choices?
Your question is incomplete, please read below to find the full content.
Option C. Enzymes increase the rate of chemical reactions by lowering activation energy barriers.
Which of the following statement about enzyme or their function is true?Enzymes are globular proteins that have three-dimensional structures. They do not alter the overall change in free energy required for the reaction and they lower the activation energy to speed up the reaction. So, all of these options are right and the correct answer is D.
Which statements are true enzymes?The correct answer to this question is A) Enzymes lower the activation energy and the ΔG produced from a reaction. Enzymes act as catalyzing agents that are responsible for the faster formation of products in different biochemical reactions.
The options are missing in this question.
A. Enzyme function is independent of physical and chemical environmental factors such as pH and temperature.
B. Enzymes increase the rate of chemical reactions by providing activation energy to the substrate.
C. Enzymes increase the rate of chemical reactions by lowering activation energy barriers.
D. Enzyme function is generally increased if the three-dimensional structure or conformation of anenzyme is altered.
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Which type of fossil is formed by sediments and found in sedimentary rock?
O mold of a fish
O petrified wood
• carbon film of a leaf
O preserved insect
Answer:
C
Explanation:
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You would MOST LIKELY find a savannah grassland biome in an area with
A)
50 cm of precipitation.
B)
100 cm of precipitation.
200 cm of precipitation.
D)
250 cm of precipitation.
Answer:
D
Explanation:
Savannah grassland biome is found in an area with an average precipitation of 76.2-101.6 cm. Therefore, option B is correct.
What is the savannah grassland biome?A region of grassland with scattered trees or groups of trees is how the savanna biome is frequently defined.
The savanna is a dry environment, making it difficult for tall plants like trees to flourish. The trees and grasses that thrive on the savanna have adapted to the dry climate and limited water supply.
In regions with savanna growth, a tropical wet and dry climate is prevalent. The annual precipitation averages between 30 and 50 inches, while the mean monthly temperatures are at or above 64 degrees Fahrenheit. Less than 4 inches are received per month during the dry season for at least five months out of the year. Hence, option B is correct.
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Study the diagram of a cell.
Which structures are found in both plant and animal
cells?
O W and X
O W and Z
O X and Y
Y and Z
Help me please
Explain the path food takes from your plate to becoming waste.
Answer:
The digestive system takes the food we ingest, breaks it down mechanically and chemically in the mouth and stomach. It then absorbs nutrients, fats, proteins and water in the intestines before eliminating the waste through the rectum.
Explanation:
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Please help me please!!
(Picture above)
yoink hehehehhehhehhhhhehehehehhehehhehehehehe
Answer:
yasssssssssssssssssssss
Explanation:
Please help me I’m begging you please help
Answer:
d
Explanation:
because there is no rain the rabbit has no water so they die if they die foxes dont eat them so the foxes stave and die of starvation
Lunularia cruciata is a species of plant that grows close to the ground in moist areas. It cannot grow in dry areas because it cannot transport water through its tissues.
What is most likely true about this species?
It is nonvascular.
It is vascular.
It is a flowering seed plant.
It is a nonflowering seed plant.
Answer:
it would be A: nonvascular
Explanation:
Answer:
Explanation:
a
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Some organisms, such as bacteria, reproduce asexually; whereas, other organisms reproduce
sexually. Which statement correctly states why one type of reproduction is beneficial over the
other?
A. Asexually reproduced offspring are more genetically diverse.
B. Asexual reproduction produces offspring genetically different from parents.
C. Sexual reproduction can produce a large number of offspring very quickly.
D. Sexual reproduction produces organisms that are genetically diverse.
Answer:D
Explanation: A isn't right because during asexual reproduction there is no exchange of genetic characteristics thus the offsprings retain the genetic characteristics of their parents and there is no diversity.
Sexual reproduction on the other hand involves the fusion of gametes and the exchange of genetic characteristics thus the offsprings are diverse and are not identical to their parents as is the contrary in asexual reproduction.
Sexual reproduction produces organisms that are genetically diverse.
Sexual reproduction involves the combination of chromosomes from both parents. This combination of chromosomes introduces variation into the population. This combination does not occur in asexual reproduction.
Hence, the statement that correctly states why one type of reproduction is beneficial over the other is that sexual reproduction produces organisms that are genetically diverse.
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What causes nucleotides to switch locations in a DNA molecule?
Answer:
DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of mutation. Depending on how a particular mutation modifies an organism's genetic makeup, it can prove harmless, helpful, or even hurtful.
Explanation:
Cytotoxic T cells recognize and kill host cells infected by viruses. They recognize these cells by the foreign antigen displayed on the host cell’s:_________.
A. MHC I molecules
B. MHCII molecules
C. toll like receptors
Answer:
The correct answer is - A. MHC I molecules
Explanation:
Major histocompatibility complexes (MHCs) are presented to different T cells to identify the antigen on the host or infected cell. There are two MHCs - class I and class II. The class I MHC presents to cytotoxic T cells while MHC II to helper T cells.
A cytotoxic T cell only binds to the infected cell displays the foreign antigen such as viruses on the infected cell surface in order to recognize and kill the cells.
Choose all the answers that apply.
Ground tissue
stores extra food
supports the plant
is found in plants and animals
Omakes up the majority of a plant
Dis responsible for photosynthesis
Answer:
stores extra food
is responsible for photosynthesis
supports the plant
makes up the majority of a plant
Explanation:
Ground tissues are one of the three types of plant tissues (others being dermal and vascular). They are composed of cells as follows: parenchyma, collenchyma, and sclerenchyma. These three cells that make up the ground tissues perform different functions in the plant cell.
- Parenchyma functions in photosynthesis and storage of extra food (carbohydrates) in the cell.
- Collenchyma functions in the support of young regions of the plant
- Sclerenchyma, which has the thickest cell wall, functions mainly in the strengthening/support of the plant cell.
Also, among the three tissue types in a plant, ground tissues make up majority of the plant cell.
What will most likely happen if an appropriate enzyme is added to a chemical reaction
If any appropriate enzyme will be added to the solution, then the reaction rate will increase. The correct option is A.
What is reaction rate?The reaction rate or rate of reaction is the rate at which a chemical reaction occurs, defined as proportional to the increase in product concentration per unit time and the decrease in reactant concentration per unit time.
The rate of a reaction is an extremely useful diagnostic tool. We can improve production by learning how fast products are made and what causes reactions to slow down.
This information is required for the large-scale production of many chemicals, such as fertilizers, drugs, and household cleaning products.
The reaction rate will increase if an appropriate enzyme is added to the solution.
Thus, the correct option is A.
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Your question seems incomplete, the missing options are:
The reaction rate will increase.The equilibrium of the reaction will be maintained.The reaction rate will decrease.The reaction will stop.Which type of hybridization is paired correctly with the number of hybrid orbitals and their geometry?
Type of Hybridization Number of Hybrid Orbitals Geometry
A sp2 3 trigonal pyramidal
B sp3 4 linear
C sp 1 tetrahedral
D sp2 3 trigonal planar
A. D.
B. A.
C. C.
D. B.
Answer:
The correct answer is option A "D. SP2 3 trigonal Planar"
Explanation:
At the point when particles are bound together in an atom, the wave functions join to deliver new numerical depictions that have various shapes. This cycle of consolidating the wave functions for nuclear orbitals is called hybridization and is mathematically refined by the linear mix of nuclear orbitals.
The valence orbitals of a focal atom encompassed by three areas of electron thickness comprise of a set of three sp2 crossover orbitals and one unhybridized p orbital. This course of action results from sp2 hybridization, the blending of one s orbital and two p orbitals to deliver three indistinguishable hybrid orbitals situated in a tigonal planar geometry.
What organelle uses energy of the sun to make food?
A. Cell membrane
B. Chloroplast
C. Golgi bodies
D. Mitochondria
Answer:
Explanation:
B
Silicon dioxide (SiO2) and aluminum oxide (Al2O3) are the two most abundant compounds in the _______.
A.
universe
B.
Earth's oceans
C.
Earth's atmosphere
D.
Earth's crust
Answer:
Eath's crust
Explanation:
Silicon dioxide (SiO2) and aluminum oxide (Al2O3) are the two most abundant compounds in the Earth's crust. This explains why oxygen, silicon, and aluminum are the three most abundant elements in the crust.
The most abundant compound in the universe is water.
The work of Charles Darwin and Alfred Wallace on the origin of the Earth's species extended the ideas of Lyell's uniformitarianism
into the biological sciences. The theory of evolution is based on the principle that the diversity seen in the Earth's species can be
explained by the
es
A)
random variation in the genetics of any population.
B)
idea that in any population, too many individuals are produced.
uniform modification of genetic traits over long periods of time.
D)
sudden change in the gene pool due to mutations within the DNA of a
given population.
Answer:
Explanation:
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Jean-Paul is racing in the Tour de France bicycle race is moving along rapidly at a speed of 15 km per hour is suddenly a strong wind begins to blow into a space walk not expect any more Forest on the pedals what will happen to Jean-Paul speed while the wind continues to blow against him
Answer: im a cat boy senpai
Explanation: meow ^^
C6H12O6 + 6O2 --> 6H2O + 6H2O]\
Is the equation above balanced?
No; there are un equal numbers of each type of atom on both sides.
No; the mass of reactants and products do not equal one another.
Yes; it has equal numbers of each type of atom on both sides.
Yes; the mass of the reactants are equal.
Answer:
no
Explanation:
the carbon isnt there at all
Which of the following is not part of the cell theory?
A.All living things are made of cells.
B.All cells come from other living cells.
C.The cell is the smallest component of an organism.
D.Cell membranes move materials in and out of the cell.
Answer:
i think that the answer is b
Definition of inversion