Answer:
This is when older flowers are more at the base whilst younger/newer flowers are above
Explanation:
It's all about flower arrangement
What telescope would be used to find a black hole?
Select one:
a.
Chandra
b.
Spitzer
c.
Compton Gamma Ray Observatory
d.
James Webb
the chandra telescope can be used to see blackholes
Chandra telescope would be used to find a black hole. Therefore, option (A) is correct.
The Chandra X-ray Observatory is a space telescope that was developed with the express purpose of detecting and researching X-ray emissions coming from various astronomical bodies. Observing the powerful X-ray radiation released from the neighbourhood of black holes, particularly their accretion discs and jets, has been an essential part of the process that led to the discovery of black holes and the investigation of their properties.
Because of the important new information it has uncovered about the characteristics and actions of black holes, Chandra has become an essential instrument in this field of study.
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Transcribe the following DNA sequence into its corresponding base pair strand: 5'-ATGGCCGGTTATTAAGCA-3'?
Answer:
3' -TACCGGCCAATAATTCGT- 5'
Explanation:
A with T, G with C
Consider these versions of The War of the Worlds. Excerpt 1, from H. G. Wells's novel The War of the Worlds: The common round the sand pits was dotted with people, standing like myself in a half-fascinated terror, staring at these creatures, or rather at the heaped gravel at the edge of the pit in which they lay. And then, with a renewed horror, I saw a round, black object bobbing up and down on the edge of the pit. It was the head of the shopman who had fallen in, but showing as a little black object against the hot western sun. Now he got his shoulder and knee up, and again he seemed to slip back until only his head was visible. Suddenly he vanished, and I could have fancied a faint shriek had reached me. Excerpt 2, from Howard E. Koch's script for Orson Welles's radio adaptation: PHILLIPS: Ladies and gentlemen, you've just heard Mr. Wilmuth, owner of the farm where this thing has fallen. I wish I could convey the atmosphere . . . the background of this . . . fantastic scene. Hundreds of cars are parked in a field in back of us. Police are trying to rope off the roadway leading to the farm. But it's no use. They're breaking right through. Cars' headlights throw an enormous spot on the pit where the object's half buried. Some of the more daring souls are now venturing near the edge. Their silhouettes stand out against the metal sheen.
Which statement best describes the similarity between these versions?
A)Both versions impart an urgent tone through a resident’s words.
B)Both versions impart setting details through colorful description.
C)Both versions explain the background of a scientific phenomenon.
D)Both versions use characterization to show the locals' intelligence.
The similarity between the two versions is that both versions impart setting details through colorful description.
What is a setting of an event?The setting of an event or place refers to the overall features or prevailing conditions of a place in which a particular event occurs.
In the two versions of the events occurring, colorful description is used to explain the situation on ground. For example, the first version talks of half-fascinated terror, renewed horror, and a faint shriek which are all colorful words. The second version uses the descriptions; fantastic scene, enormous spot and daring souls.
Therefore, the similarity between the two versions is that both versions impart setting details through colorful description.
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Gardeners often use either chemicals or fences to protect their plants from pests. 60 gardeners were asked about their plant protection method and its success. Three of the 13 who used chemicals had pests. Seven of the 47 who used fences had pests. Please answer both questions. i) What percent of gardeners overall had pests
There are 16 percent of farmers that are affected by the pest infestation.
What percent of gardeners overall had pests?
We know that three of the 13 farmers who used chemicals had pests whereas Seven of the 47 farmers who used fences had pests. So in total there are 10 farmers that are affected from pest out of 60 farmers.
So we can conclude that There are 16 percent of farmers that are affected by the pest infestation.
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Polyploidy is the condition of having a multiple of the normal set of chromosomes. What does polyploidy result in? a. geographic isolation b. hybridization c. reproductive isolation d. mutation
Answer:
c.
Explanation:
c. reproductive isolation
Which statement is true about all adaptations?
A. They are genetic.
B. They hurt an organism.
C. They can be lost.
D. They are learned. SUBI
Answer:
A they are geneitc because all liveing thing adapt because of genes pased down through birth.
While operating a vehicle on any highway of this state, it it illegal to physically hold or support a wireless device with any part of the body
True. While operating a vehicle on any highway of this state, it it illegal to physically hold or support a wireless device with any part of the body
What is driving rules?
These are the basic guides used by US government to control accident or reckless driving on the roads.
Some of the basic driving rules include the following;
Vehicles drive on the right hand side of the road. Pass others on the left hand side of the road. All occupants in a vehicle must wear a seat belt. Right turn is permitted at red traffic lights, but only after stopping, unless signed otherwise.Don't support a wireless device with any part of the bodyThus, the statement is true.
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What is the function of an inclined plane?
Answer:
inclined plane, simple machine consisting of a sloping surface, used for raising heavy bodies.
The domain Archaea is comprised of ____________ organisms.
The domain Archaea is comprised of unicellular, prokaryotic organisms.
ArchaeaArchaea is a group of microscopic organisms that are unicellular, prokaryotic, and live in extreme environmental conditions.
Archaea are found in environments such as hydrothermal vents, hot springs, etc. An example includes the blue-green algae.
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Which is an example of a recent development used to address food
shortages in urban areas?
A.
B.
C.
Answer:
A
Explanation:
According to the chemiosmotic hypothesis, what provides the energy that directly drives atp synthesis?.
Explanation:
According to the chemiosmotic hypothesis, ATP is produced by due to the proton gradient created across the mitochondrial membrane. The essential components required for chemiosmosis are proton pump, proton gradient and ATP synthase. ATP synthase is an enzyme which helps in ATP synthesis. The enzyme ATP synthase has two part
F0 andF1.F0 is the part which transports protons across the membrane as a transmembrane channel while configuration changes in F1
activates the enzyme. They phosphorylate ADP i.e., add one more phosphorus group to the ADP and converts ADP(adenosine diphosphate) to ATP (adenosine triphosphate). The proton gradient developed across the membrane is the driving force of ATP synthase.
A(n) ________, or closed, fracture does not break the skin.
A simple or closed fracture does not break the skin. This is further explained below.
What is a closed fracture?Generally, a closed fracture is simply defined as a situation whereby the skin hasn't been damaged, even if the bone is cracked.
In conclusion, If the fracture is simple or closed, no blood will be seen on the skin. More detail about this is provided below.
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what are accumulated cell Products that are never enclosed in a unit membrane called
The accumulated cell Products that are never enclosed in a unit membrane is called inclusion
What are cell inclusions?Cell inclusion is defined as those pigment or nutrients that are found within the cell which is different from the cell organelles in both structure and function.
Example of cell inclusions are:
glycogen, lipids, and pigments.Therefore, The accumulated cell Products that are never enclosed in a unit membrane is called inclusion.
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what kind of characteristic is used innthe key to classify the animals???
Answer:
the animal classification system anatomy morphology evaluational history features of embryological development and genetical makeup this classification stream is constantly deplobin as new information about specialitie hope it's helpful
Answer:
their anatomy, morphology, evolutionary history, features of embryological development, and genetic makeup.
`
Explanation:
Photosynthesis is a means of converting light energy to chemical energy. Explain what this statement means.
Answer:
photosynthesis, the process by which green plants and certain
other organisms transform light energy into chemical energy .
During photosynthesis in green plants, light energy is captured
and used to convert water, carbon dioxide, and minerals into
oxygen and energy-rich organic compounds.
also
During the process of photosynthesis, light penetrates the
cell and passes into the chloroplast. The light energy is
intercepted by chlorophyll molecules on the granal stacks.
Some of the light energy is converted to chemical energy.
During this process, a phosphate is added to a molecule to
cause the formation of ATP(Adenosine triphosphate)
Let's take a short look at photosynthesis before moving on to this topic.
It is an exergonic, light-dependent, biological, oxidoreductive, energy-yielding process. Where sugars or (CH2O)n are produced energetically by reducing CO2.
Although Co2 is essentially prevalent in nature, it does not break down into sugars since the reaction is thermodynamically possible.
Right after sunlight strikes the surface of the leaf, there are these little components known as reaction centers or energy harvesting cores, which are surrounded by antenna complexes. These antenna complexes are normally composed of chl a, chl b, xanthophyll, carotenoid, etc.
Here, the antenna complexes serve as filters, allowing just the necessary amount of flux to depart the outershelled electron of the chlorophyll molecule via energy activation states (of different kinds).
As the pigment system activates the chlorophyll molecule, the energy from the light is now transferred to chemo potential energy, which is subsequently employed in the process to oxidize the water molecule by the Kok clock mechanism.
Now this is an rather interesting cycle having multiple energy states, from Ground (SO) to maximum (S4) notice that the energy was first required to move on to next step in intermediates but as soon as it reached S4 or max state it oxidized water and this energy is actually enough to reduce Carbon di Oxide to sugar.
(Attachment #1)
If I'm not incorrect, the conversion works like this.
(Attachment #2)
As a result, it needs to be activated gradually in order to build up enough energy to pass the energy barrier.
NOTE:
As you can see, plants don't purposefully create oxygen, but why do they continue to do so? It does this because its primary goal is to turn sugar into oxygen, which it then converts into water that actually vaporizes while keeping the system cool.
Darwin’s theory of common descent states that all organisms _____.
Answer:
The theory of common descent states that all living organisms are descendants of a single ancestor.
Explanation:
if you're looking for a specific answer, look for something similar to the answer above.
The placing of information or objects into groups based on certain similarities is_____
a biochemical analysis
b. classification
c. phylogeny
d. speciation
Answer:
B.) classification
Explanation:
In biology, classification is a way to organize living things. In science generally, this could expand to include any type of object.
Some Archaea live at extreme ____________.
Some Archaea live at extreme conditions.
ArchaeaThey are a group of microscopic, single-cell, prokaryotic organisms that are similar to bacteria but found in extreme places in the environment.
The extreme conditions under which Archaea have been found include hydrothermal vents, hot springs, high saline waters, low/no oxygen environments, etc.
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The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a/an ______________.
receptor
effector
stimulus
response
The sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.
What are nerve receptors?Nerve receptors can be defined as biological structures capable of converting external/internal stimuli to electrical impulses.
Nerve receptors include different types of cellular structures located in eyes, skin, mouth, nose, etc.
In conclusion, the sensing component of the feedback system that senses the changes in the environment and generates nerve impulse is known as a receptor.
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Bees are commonly found near flowering plants.
(a) Describe how bees help plants to reproduce.
Answer:
bees like flowers because they have pollen in their wings, and it makes them happy, and that’s nice. They make beautiful little things that can be used to make honey.
Explanation:
The foundation of the best honey is flowers and pollen. When they’re all in bloom, it’s a wonder for bees to come to them—not because of their beautiful colours but rather for how much sweetness there is in them. The smell alone makes every person nearby fall in love with bees. The only downside? The flowers die within weeks when exposed to too much pollen. They can only take so many blooms before it becomes too toxic for humans to eat, even if they don’t have to go through the hassle of killing a human to obtain them.
But that doesn’t mean bees hate the sight of flowers.
It has been said that flowers are what make people happy. That they can make anyone smile despite the circumstances. And maybe if people saw more flowers they would be happier? But it doesn't always work like that.
The plants around her garden
Answer:
PollinationExplanation:
In its natural state, the flower is inverted with the standard petal at the bottom. when a heavy insect such as BEE visits the flower, it lands on the standard petal.The Insects follow the nectar guide into the flower.The insect forces its way in between the two wing petals and moves in to collect the nectar.The insect's back forces the keel petal upwards to expose the stigma and anthers. The stigma and anthers brush against the hairy back of the insect. when this happens, some pollen grains from the anther stick to the hairy back of the insect. At the same time, pollen grains on the insect's back (from another flower which the insect had visited earlier) are transformed into a sticky stigma.when the insect leaves the flower, the keel springs back to its original position to enclose the stamen and the stigma again.Refer to Attachment
Which of the following is a future consequence of the use of hydropower from dams on the environment?
A. It generates no greenhouse gases
B. It can be used in isolation locations
C. A dam and reservoir can flood habitats.
D. It produces less noise than other energy
Answer: C
all of these are good things except the flooding of the habitats
which statement does not apply to experimental surgery on animals?
The statement that does not apply to experimental surgery on animals is that the importance of a sterile surgery is to be decided by the researcher.
What is surgery?A surgical procedure is an intervention that involves the opening of the body of an organism in order to carry it out.
The statement that does not apply in the experimental surgery of animals is that the importance of a sterile surgery is to be decided by the researcher.
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Which of the following are true of a species? Select all that apply.
1 of 4 QUESTIONS
All fertile individuals can breed with one another.
Individuals vary genetically.
There is no natural selection occurring.
There is gene flow between populations.
Answer:
the 1rst and 2nd
Explanation:
all fertile individuals can breed with one another and individuals vary genetically
Why are there 64 combinations of genetic codons for only 20 different amino acids?
Answer:
Because they all don't code for specific amino acids
Explanation:
Some of them don't code for Amino acids, instead, they code for directions. There are also amino acids that can be coded with multiple codons. this is why there are more codons than amino acids
Select the correct answer. while examining a specimen under the microscope, janet discovers a structure that has some genetic material that has rna but not dna. what is the specimen? a. virus b. plant c. fungi d. bacteria e. animal
Answer:
A. Virus
Explanation:
Viruses chose to store their data in RNA so that they can make changes as their hosts develop immunities.
The specimen is of virus. The correct option is A.
Thus, A virus is an infectious microorganism made up of a protein-coated segment of nucleic acid (either DNA or RNA).
A virus can't multiply by itself; it has to infect cells in order to utilise the host cell's components to make copies of itself. A virus frequently causes harm to the host organism by killing the host cell in the process.
Viruses can infect people. But in reality, viruses infect a wide variety of organisms. For example, there are viruses that infect fungi and viruses that infect bacteria.
Thus, The specimen is of virus. The correct option is A.
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Two different bacterial samples, a and b, were inoculated onto sim media. What can you conclude based on your observations?
The conclusion that can be made here is that:
A is motileSpecimen A gave indoleSpecimen B does not hydrogen sulfide (H2S)Specimen B does not have indoleWhat is a sim media inoculation?This is a type of laboratory practical that isb used to see if organisms are motile through the use of single stabs.
An organism is motile when there is a radiation from the stab mark which makes the tube it is in to turn turbid.
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What are the contributions of each of these scientists to the cell theory? And how did that information contradict what was believed or accepted at that time?
M.J. Schleiden-
Louis Pasteur-
Rudolf Virchow-
M. J. Schleiden:
In the year 1838, a German botanist presented the first cell theory (Although his theory was ultimately disproved, it did contribute to a change in scientific focus to cellular processes.)
What is cell?All living creatures and body tissues are made up of the smallest unit that can live on its own. The cell membrane, nucleus, and cytoplasm are the three primary components of a cell. The cell membrane encloses the cell and regulates the molecules that enter and exit it.
His theory: Cells make up all plant tissues, and an embryonic plant is made up of just one cell. He declared that the cell is the fundamental building block of all plant matter.
Louis Pasteur- 1855 - German physiologist, physician, pathologist; and anthropologist. Added a third to the cell theory: Omnis Cellula e cellula (all cells develop only from existing cells).- Implied that there was no Spontaneous generation.
Rudolf Virchow- In 1862 he conducted a famous experiment supporting the theory that cells can only come from other cells.
His experiment:
Steralized flasks with straight and curved necks were used to heat nutrient broths. Bacteria only developed in the straight necks because bacteria cells from the air settled in the S-shaped necks' curves. Spontaneous gen did not produce proven cells in the broth.
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Rudolf Virchow's and Louis Pasteur's contradicted the theory of spontaneous generation, which state that a living organism originates from non-living matter.
According to this theory, it was believed that dust creates fleas, maggot arises from the rotten meat, wheat and bread left in the dark corner producing mice.
Louis Pasteur was the first scientist to prove that cells originate from pre-existing cells.
Rudolf Virchow proposed that Omnis cellula e cellula, which means each cell comes from another cell.
What is a cell?All living creatures and body tissues are made up of the smallest unit that can live on its own. The cell membrane, nucleus, and cytoplasm are the three primary components of a cell. The cell membrane encloses the cell and regulates the molecules that enter and exit it.
Thus, this could be the answer.
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from the outside to the inside of a long bone, what is the first tissue encountered?
From the outside to the inside of a long bone, the first tissue encountered is the periosteum.
What are long bones?The long bones of the body are the bones which include the humerus, femur, radius and Luna, tibia and fibuka.
The tissues present in a long bone include, spongy bone, compact bone, periosteum,etc.
The periosteum is a layer of fibrous connective tissue that completely covers a long bone.
It is the first tissue encountered from the outside to the inside of a long bone.
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What are some characteristics of primates?
Primates are a group of mammals. Thus, they possess all the characteristics of mammals.
What are primates?The primates are a group of animals under the mammalian class. They include animals such as monkeys, lemurs, apes, and humans.
The basic characteristics of primates include:
Possession of a large and complex brainEyes are located on the head facing forward with stereoscopic visionPossession of hands that can grasp objectsAbility to nurture their younger onesDescended testicles in malesThe characteristics are in addition to the basic features of mammals.
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a eukaryotic chromosome consists of _____
A eukaryotic chromosome consists of histones.
Properties of eukaryotic chromosomeEukaryotes posses pairs of linear of chromosomes and they are all contained in the nucleus of the cell, possessing characteristic forms.
Eukaryotic chromosomes consists of histones which are condensed and DNA surrounding nuclear proteins.
Therefore, a eukaryotic chromosome consists of histones.
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