Answer:
D. Engineers do not need to grow seeds into adulthood in order to identify the mutations.
Explanation:
FACERII (Why the bulb of a dynamo glow brightly when
speed of bicycle is increased and become dim when the
speed is decreased? Give reasons.)
Am
ma
Answer:
As the bicycle moves, the wheel turns a magnet inside a coil. This induces enough electricity to run the bicycle's lights. The faster the bicycle moves, the greater the induced voltage - and the brighter the lights.
Explanation:
hope you understand :)
Make a list of the energy carriers involved in the Krebs cycle. Include their names before and after they accept the electrons.
The drawing shows a picture of a flower called a water lily that grows in the wetlands of Florida.
When pollen from a water lily combines with the egg of another water lily, it creates a seed. What is the name of this plant process?
fertilization
germination
seed dispersal
pollination
Answer: it’s fertilization
Explanation: Fertilization in flowering plants happens through a process called pollination. ... Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule. After fertilization occurs, each ovule develops into a seed. • Each seed contains a tiny, undeveloped plant called an embryo.
2+2 okay this is obvious its 4 but how many people can answer that?
Answer:
LOL many people can
Answer:
2+2 is 5
Explanation:
because 2 and 2 is 4 but the + = a hidden 1 so it is actully 5
Explain how cellular processes must be altered in stomach cancer cells compared with normal stomach cells to result in the different levels of SIRT3 expression observed.?
Answer:
SIRT3 is a tumor suppressor gene that controls essential cellular processes including apoptosis, cell proliferation, survival and anoikis resistance
Explanation:
The Sirtuin-3 (SIRT3) gene encodes for a histone deacetylase enzyme involved in the epigenetic regulation of many essential genes, thereby controlling their expression levels. SIRT3 has a proapoptotic function that initiates apoptotic events in cancer cells. Moreover, SIRT3 also modulates cell proliferation and survival in both normal and tumorigenic cells by controlling the expression of genes that maintain Reactive oxygen species (ROS) at non-toxic levels. Finally, SIRT3 also mediates anoikis resistance (i.e., the resistance to detachment-induced cell death), thereby inhibiting tumorigenesis in cancer cells. It is for all these reasons that it has been proposed that SIRT3 represents a potential drug target for cancer therapy.
A freight train weighing 12,000 tons is traveling 65km/hr. How far will it travel in 18 hours?
Answer:
1170km
65km per hour for 18 hours is just 65*18
the 12k tons bit is just there as a distractor
Explanation:
Give two examples of the processes that form soil over long periods of time.
Answer:(1) slow chemical alteration by water seeping through the weathered rock material after rains and (2) mixing of the rock material with organic debris produced by the decay of plants.
Explanation:
Capturing energy is critical to
every environment because
without it producers are unable to
A. absorb water
B. make their own food
C. reproduce
D. recycle nutrients
Answer:
C. reproduce
Explanation:
In prokaryotes, transcription and translation can happen simultaneously because
a. DNA and mitochondria are both located in the nucleus
b. DNA and ribosomes are both located in the nucleus
c. DNA and mitochondria are both located in the cytoplasm
d. DNA and ribosomes are both located in the cytoplasm
In prokaryotes, transcription and translation can happen simultaneously because DNA and ribosomes are both located in the nucleus. Therefore, option B is correct.
The ribosomes are responsible for protein synthesis. They are also found in the cytoplasm of prokaryotic cells. The ribosomes read the mRNA produced during transcription and directly synthesize proteins using the information encoded in the mRNA.
The absence of a nuclear membrane in prokaryotes allows for the coupling of transcription and translation to occur in close proximity in the cytoplasm.
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Which of the following qualify as acquired traits? [SELECT ALL THAT APPLY]
A) Eye color
B) Being muscular
C) Wearing glasses
D) Pierced ears
E) Eye color
F) Being a good public speaker
G) Left-handedness
Answer:
option b c f and g must bhe acquired traits
If a new variety of a tree was produced by botanists through selective breeding that had a growth rate 3 times that of the trees in the scenario, how would that have affected the outcome of the simulation?
Answer:
Greatly affected the outcome simulation.
Explanation:
This fast growth have greatly affected the outcome of the simulation because the tree takes less time to mature and completed its growth stages faster as compared to the old tree. The selective breeding included certain hormones that increases the rate of growth in the tree which leads to change and affected the outcome of the simulation.
when the astronaut took this photo of earth, what moon phase would have been visible in view from earth?
Identical twins have ____________ but ______________.
A. Different DNA, come from the same sperm and egg
B. Identical environmental variation, different DNA
C. Identical DNA, come from different sperm and eggs
D. Identical DNA, different environmental variation
Answer:
D
Explanation:
Identical twins have identical DNA, but different environmental variations.
What are identical twins?
Identical twins are twins that are born from a single sperm and egg. They contain identical DNA codes. They are monozygotic twins, and they are 100% identical to each other.
Thus, the correct option is D. Identical DNA, different environmental variation.
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Which of the following is not a power or responsibility of the president?
Answer:
declare war is the answer
Explanation:
QUESTION 8
Sleep deprivation is linked to less activity in the CA1 region of the hippocampus.
O True
O False
Can any wan help me pls :(
Answer:
the picture is blurry I do not understand
Analyze the given diagram of the carbon cycle below. An image of carbon cycle is shown. The sun, a cloud, two trees, one on the left and the other on the right, an animal, lake, and a factory are shown in the image. An arrow is shown from the sun towards the left tree marked A. The sun is marked B. There is an arrow from the air above the clouds, marked C, towards the left tree. An arrow from a location close to the ground marked D points towards Dead Organisms, which is a label under the animal. An arrow marked E points from the right tree straight up to the clouds. An arrow marked F points from the animal straight up to the clouds. An arrow marked G points from the factory towards the air above the clouds, C. There is an arrow pointing from the air to the lake labeled Carbonates in Water, an arrow pointing down from dead organisms to Fossils and Fossil Fuels, and an arrow from Fossils to the factory. Part 1: Which compound does C represent? Part 2: Name a process that could release this compound into the air. Part 3: Explain how the elements that form it are conserved during the carbon cycle. Use complete sentences to explain your answer. Justify how this compound was created from a recycling of carbon in the carbon cycle. Use complete sentences to explain your answer. (10 points)
Answer:
where is the image...please
if a plant has three leaves in a cluster, you should avoid it because? it isn’t edible. it attracts insects. it causes painful, itchy rashes. it produces poison berries.
Answer:
Your answer would be: it causes painful, itchy rashes
Explanation:
Poison ivy, a common plant, has leaves that always appear in bunches of three leaflets. Poison ivy has an oily resin called urushiol that is in its stem, leaves and roots. When touched, it causes an allergic reaction that can cause redness, itching, swelling, blisters, and other nasty symptoms.
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which of the following requires ATP
A. facilitated diffusion
B.Simple diffusion
C.Active transport
D.None of the above
Answer:
Active transport
Explanation:
The process is considered "active" due to the use of ATP and actively requiring energy to transport molecules. Simple diffusion simply occurs through the membrane and facilitated diffusion uses transport proteins, but not ATP, hence why both are considered forms of "passive" transport.
PLEASE HELP!
While on a class tour to Rajasthan Aman asked his friend the reason why there are so less number of plants. What his friend would have said? [Value Based]
Answer:
Wh Ra'ya sınıf turundayken
A hypothetical bat species (species 1) lives in a city. Another hypothetical bat species (species 2) established a population in the same city after a number of individuals escaped from a zoo. In isolation, each species prefers to roost in buildings that are three or more stories tall. After species 2 became established in the city, species 1 began roosting only in buildings less than three stories tall, whereas species 2 roosted in buildings three or more stories tall. Observers determined that the bright streetlights at ground level had previously deterred most bats from roosting in shorter buildings. Over many generations of existing in the same city with species 2, species 1 showed changes in eye size and retina structure. Complete the following statements about the two bat species.
_________ of species 1.
a. fundamental niche
b. realized niche
c. character displacement
d. intraspecific competition
e. interspecific competition
f. (-\-)
g. resource partitioning
h. competitive exclusion
Complete question:
A hypothetical bat species (species 1) lives in a city. Another hypothetical bat species (species 2) established a population in the same city after a number of individuals escaped from a zoo. In isolation, each species prefers to roost in buildings that are three or more stories tall. After species 2 became established in the city, species 1 began roosting only in buildings less than three stories tall, whereas species 2 roosted in buildings three or more stories tall. Observers determined that the bright streetlights at ground level had previously deterred most bats from roosting in shorter buildings. Over many generations of existing in the same city with species 2, species 1 showed changes in eye size and retina structure. Complete the following statements about the two bat species.
Roosting areas in buildings of any height are the _________ of species 1.Roosting areas in buildings of any height are the _________________ of both bat species.____________ between the two bat species occurs because both species prefer the same roosting areas.In parts of the city with only tall buildings (over two stories), __________ of species 1 may occur.Roosting areas in buildings that are one to two stories tall are the __________ of species 1 when species 2 is present.a. fundamental niche
b. realized niche
c. character displacement
d. intraspecific competition
e. interspecific competition
f. (-\-)
g. resource partitioning
h. competitive exclusion
Answer:
Roosting areas in buildings of any height are the fundamental niche of species 1.Roosting areas in buildings of any height are the fundamental niche of both bat species.Interspecific competition between the two bat species occurs because both species prefer the same roosting areas.In parts of the city with only tall buildings (over two stories), competitive exclusion of species 1 may occur.Roosting areas in buildings that are one to two stories tall are the realized niche of species 1 when species 2 is present.Explanation:
The ecological niche is the synthesis of all the environmental factors that influence the growth, survival, and reproduction of species. These factors also include the interaction between species. The fundamental niche refers only to environmental conditions in which a species can live and survive in the absence of any interaction with other species. The realized niche refers to the restricted conditions in which a species can live and survive as a result of environmental physic characteristics and the interaction with other species.Interspecific competition refers to the interaction between two or more species that use the same fundamental niche. These species compete for the same resources like food, shelter, or water, among many others. Eventually one of the species dominates and the other is displaced. Competitive exclusion refers to the exclusion of the inferior competitor by the superior competitor when there is not habitat differentiation, and both species can not share the same niche. In this case, the effective niche of the dominant species completely occupies the fundamental niche of the inferior competitor. Resources partitioning refers to one dominant species monopolizing the resources, and the other inferior species use other resources -partially or completely -, migrate or get extinguished.A way in which species can divide resources is by living in different habitat areas. These species might eat the same food, and can roost in different places within the habitat. This resource partitioning and differentiation in the function of their physical location allows both species to coexist more effectively.
In the present example, both bat species can coexist in the same city but the weaker bat species (species 1) roost at the top of the shorter buildings while dominant species (species 2) roost at the top of the highest buildings.
27. What substance is a liquid at -200 °C?
carbon
phosphorus
xenon
arsenic
nitrogen
Answer:
its nitrogen..........
Cellular respiration is similar in both plants and animals in what way?
Answer:
they both are eukaryotic cells and the both contain membrane-bound organelles
Trilobites were animals that lived in the ocean between
520 million and 540 million years ago. A trilobite fossil can
be used as an index fossil
I’m assuming that this isn’t a true or false question. If so it’s true.
Explain whether a mutation in any cell of an organism can be passed on to offspring of the organism. Under what conditions is a
mutation passed on to the next generation?
es )
Type your answer below
Answer:
Mutations are only passed on to offspring when they occur in germ cell DNA, which are the cells that create sperm or ova. The other kind of cells, somatic cells, are the rest of the cells in the body, and mutations that occur in these cells do not get passed on to offspring.
Explanation:
Discontinuous fragments of RNA called _______ are formed during replication of the lagging strand of DNA.
Answer:
Okazaki fragments
Explanation:
DNA replication is bidirectional and discontinuous; explain your understanding of those concepts. At an origin of replication, two replication forks are formed that are extended in two directions. On the lagging strand, Okazaki fragments are formed in a discontinuous manner.
What would likely have happened to Earth if no icy debris had arrived?
OA.
It would still have oceans but no atmospheric water.
B.
It would still have atmospheric water but no oceans.
Oc.
It would have no oceans or atmospheric water.
D.
It would have traces of water beneath its surface.
OE.
It would have released water in volcanic outgassing.
Answer:
The answer is E. It would have released water in volcanic outgassing.
how are carbohydrates digested
Explanation:
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Answer:
The mechanical and chemical digestion of carbohydrates begins in the mouth. Chewing, also known as mastication, crumbles the carbohydrate foods into smaller and smaller pieces. The salivary glands in the oral cavity secrete saliva that coats the food particles. Saliva contains the enzyme, salivary amylase. This enzyme breaks the bonds between the monomeric sugar units of disaccharides, oligosaccharides, and starches. The salivary amylase breaks down amylose and amylopectin into smaller chains of glucose, called dextrins and maltose. The increased concentration of maltose in the mouth that results from the mechanical and chemical breakdown of starches in whole grains is what enhances their sweetness. Only about five percent of starches are broken down in the mouth. (This is a good thing as more glucose in the mouth would lead to more tooth decay.) When carbohydrates reach the stomach no further chemical breakdown occurs because the amylase enzyme does not function in the acidic conditions of the stomach. But the mechanical breakdown is ongoing—the strong peristaltic contractions of the stomach mix the carbohydrates into the more uniform mixture of chyme.
What kind of cells are formed during Meiosis?
nerve cells
Option 4
body/somatic cells
sex cells
animal cells
Answer:
Sex cells.
Explanation:
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
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The transfer of thermal energy is always the same from
Answer:
thermal energy is transferred to the object that has the higher temperature to the object that has the lower temperature
