Answer:
DNA molecules is a nucleic acid which carries genetic information for the synthesis of proteins that carry out various processes in all organisms and is found in the nucleus of a cell.
The mRNA is a type of RNA which carries the information from the DNA for protein synthesis. The mRNA moves from the nucleus to the cytoplasm to special organelles called ribosomes where proteins are synthesized.
Explanation:
How has the study of mitosis affected scientists’ knowledge of cancer?
It led to a study of how to induce cancer cells to divide more rapidly.
It led to an understanding of how cancer cells divide so rapidly.
It led to the development of contact-inhibition regulators.
It led to the discovery of how to prevent cancer cells from dividing.
Answer:
It led to the understanding if how cancer cells divide so rapidly
HELP PLZ ASAP true or false
1 then an organism is asymetrical it means that no matter where you slice it in half the two sides are always mirror imiges true or false?
2 The phylum cnidaria is charicterized by organisms that shoot barb cells contains a potint toxin true or false?
Answer:
1 false
2 true
Explanation:
Cross-sections of different areas of the same plant show cells with very different structures what does this tell you about the different areas.
A. The cells in the top image are a different color from the cells in the bottom image.
B. The cells in these 2 areas have different DNA.
C. The cells in these 2 areas have different functions.
D. The cells in the top image are similar than the cells in the bottom image.
Answer:
C. the cells in these 2 areas have different functions
Answer:
C. The cells in these two areas have different functions.
Explanation:
The plant tissues are classified into three major systems: vascular, epidermic, and root systems. The vascular system is formed by tissues referred to as xylem and phloem. The epidermis is composed of superficial tissues that cover plant organs (i.e., leaves, stem, roots, etc). Finally, the root system is formed by tissues whose function is to supply to other plant tissues and store nutrients. Moreover, the plant tissues are also classified into meristematic and permanent tissues. In this case, it is reasonable to suppose that structurally different plant cells that are located at different areas of the plant will have distinct functions.
Which of the following is true about respiration in plants?
Plants do not respire.
Plants respire at night.
Plants respire all the time.
Whereas animals produce carbon dioxide, plants produce oxygen at the end of
respiration.
Answer: Plants respire at night.
Explanation:
brainliest me
In Plants photosynthesis can only take place in the presence of sunlight during the day, respiration happens all day long, hence option c is correct.
What is respiration in plants?Plants' respiration is visible at night and day, plants consume oxygen during respiration while also releasing carbon dioxide. Both photosynthesis and respiration take place during the day.
However, only respiration takes place at night, which uses oxygen. A sequence of chemical processes known as cellular respiration converts glucose into ATP, which may then be utilized as energy for a variety of bodily functions.
Glycolysis, citric acid cycle, and oxidative phosphorylation are the three basic processes that take place during cellular respiration.
Therefore photosynthesis takes place during the day but plants respire all the time, hence option c is correct.
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name an abnormal mass of cells that may be cancerous
Answer:
A tumor (also called neoplasm) is an abnormal mass of cells in the body. It is caused by cells dividing more than normal or not dying when they should. Tumors can be classified as benign or malignant.
efuf4uyfg43Help pleaseee!
Answer:
igneous rock with grains large enough to be visible with the unaided eye. It's extremely rough and has a hard surface
Explanation:
Hope this helps!
can anyone help i struggle with biology :)
In fish and chip shops, potatoes are cut into chips several hours before they are cooked.
The mass of water in the chips must be kept constant.
To ensure this, the chips are kept in sodium chloride solution.
The drawing shows some apparatus and materials (Potato slices, tweezers, knife, test tubes, and some weighing scales)
Describe how you would use the apparatus and materials to find the concentration of sodium chloride in which to keep the chips so that the mass of water in the chips remains constant.
you must include: measurements, and how youd make it a fair test. 6 marks.
I dont neccessarily need a full answer, just some help!! thank you!!
It kept saying I was using swear words, so I had to take a screenshot instead twt
Pieces of Earth's crust move on top of the: Group of answer choices outer core ocean inner core mantle
Answer:
mantle
Explanation:
Dandelions grow quickly and produce many seeds, ensuring that at least some plants will survive and produce seeds themselves. Which curve best represents the survivorship of dandelions?
Species strategies to survive and successfully reproduce define three basic survivorship curves. The survivorship curve type III is the one that best represents the Dandelion plants.
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According to the species strategies to survive, reproduce, and ensure their reproductive success, we can mention three basic curves,
Type I.
Mortality often occurs at the end of the cycle, representing species with low mortality. Organisms exhibiting this type of survivorship curve have long life cycles and high probabilities to survive until they are old enough. These species have few descendants and spend too much time and energy in parental care to ensure their reproductive success.Type II.
The probabilities of dying are equals all along the cycle, at any age interval. The number of dead individuals remains constant from the beginning to the end of the life cycle. These species have reduced offspring, and they ensure their reproductive success by providing some significant parental care.Type III.
Significant mortality during the early stages of life. Only a few individuals reach the later life stages, getting to survive their first period of life. Survivors usually have a long life.These species produce large offspring at the same time, but they provide little or no parental care. The reproductive success of these species depends on the number of descendants and not on the parenting time spent.
According to this information, and the characteristics of the Dandelions, we might assume that this species is represented by type III curve.
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What is the difference between a nocturnal and a diurnal animal?
Answer:
They make animals survive hence developing different mechanisms in order for them to survive at a different biological clock. The main difference between nocturnal and diurnal animals is that nocturnal animals are the animals that are most active during the night time while diurnal animals are animals that are most active during the daytime.
Explanation:
Put the following fossils into the correct order, from oldest to most recent, based on when evidence of their evolution first appears in the fossil record.
I. Humans
II. Trilobites
III. Winged insects
IV. Dinosaura
V. Bacteria
A. V, III, IV, II, I
B. II, V, IV, I, III
C. V, II, III, IV, I
D. I, II, V, II, IV
Answer:
the answer would be C.
Explanation:
V,II,III,IV,I
The correct option is C. V, II, III, IV, I
BacteriaTrilobitesWinged insectsDinosauraHumansWhat is fossils?Fossils exist the preserved remains of plants and animals whose bodies existed buried in sediments, such as fossil , under ancient seas, lakes, and rivers. Fossils even contain any preserved trace of life that exists typically more than 10 000 years old.
A fossil exists as any preserved stays impression or trace of any once-living thing from a past geological age. Examples contain bones, shells, exoskeletons, stone patterns of animals or microbes, objects maintained in amber, hair, petrified wood, oil, coal, and DNA remnants.
The correct option is C. V, II, III, IV, I
BacteriaTrilobitesWinged insectsDinosauraHumansLearn more about fossil reefer to;
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What is the science behind gene therapy?
Answer:
Gene therapy is designed to introduce genetic material into cells to compensate for abnormal genes or to make a beneficial protein. If a mutated gene causes a necessary protein to be faulty or missing, gene therapy may be able to introduce a normal copy of the gene to restore the function of the protein.
large proteins such as albumin remain in capillaries rather than diffusing out, resulting in the _____.
Answer:
development of an osmotic pressure difference across capillary walls
Help me plz i need help
Answer:
B
Explanation:
ihhi
A. Val Pro Pro
B. Leu His Ser
C. Pro Val Pro
D. Val Leu Pro
ở người có 4 nhóm máu là nhóm máu nào
Answer:
nhóm máu A, B, O và AB
Explanation:
What are the two types of limiting factors and how do they differ?
Answer:
Limiting factors fall into two broad categories: density-dependent factors and density-independent factors. ... Other density-independent factors include hurricanes, pollutants, and seasonal climate extremes. Density-dependent limiting factors tend to be biotic—having to do with living organisms.
Explanation:
answer up there. answer up there. answer up there. answer up thereThe two types of limiting factors are density-dependent factors and density-independent factors. These differ in their influence by the size of a population.
What are limiting factors?
A limiting factor is a variable of a system which causes a noticeable change in the output or another measure of a type of system. These are present in a limited amount.
Limiting factors are of two types: Density-dependent factors and density-independent factors. Density-dependent factors have varying impacts according to the size of the population. Density-dependent factors include food availability, predator density and disease risk. Density-independent factors are not influenced by a species population size. Density-independent factors include temperature, altitude, amount of sunlight, etc.
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How might an increase in the use of fertilizers affect the catfish carrying capacity
Explanation:
It might affect them by decreasing the carrying capacity, because an increase in food= larger fish=less carrying capacity
Answer:
When manure or commercial fertilizers enter surface water, the nutrients they release stimulate microorganism growth. The growth and reproduction of microorganisms reduce the dissolved oxygen content of the water body. Without sufficient dissolved oxygen in surface water, fish and other aquatic species suffocate.Hope this helps you !!Explanation:
Itz Deepika Here to help~
Note:- If you have more questions then let me know !!
How is soil polluted?Explain.
Answer:
Main Causes of Soil Pollution
1. Industrial Activity. Industrial activity has been the biggest contributor to the problem in the last century, especially since the amount of mining and manufacturing has increased.
2. Agricultural Activities. The utilization of chemicals has gone up tremendously since technology provided us with modern pesticides and fertilizers.
3. Waste Disposal.
Explanation:
got the information from the internet
In addition to hot surface temperatures, which characteristic makes Mercury different from Earth?
Answer:
Mercury is different because:
Mercury is smaller and not a large as Earth, about 1/3 the size of EarthThe composition of Mercury is more metallic than the one of EarthA single day for Mercury is about as long as two Earth yearsIt also has no moonsHas cratersHas no atmosphereHope this Helps!
Answer:
the distance
Explanation:
the distance from mercury to the Sun is 57,600,000km
while for erth the distance from the sun is 148,800,000km
pleaseeeeee help
meeeeee! than you!
Answer:
Cellular respiration is the process that occurs in the mitochondria of organisms (animals and plants) to break down sugar in the presence of oxygen to release energy in the form of ATP. This process releases carbon dioxide and water as waste products.
Explanation:
Which of the following muscles does NOT originate on the scapula?
Answer:
d. Pectoralis major
Explanation: does NOT
How do the earths spheres (geosphere, biosphere, atmosphere, hydrosphere, cyrosphere) interact?
Answer:
Explanation:
It receives water from the hydrosphere and a living medium from the geosphere.
Which statement explains what happens as magma rises inside a volcano?
Gases will contract in the chamber.
The pressure of the gas will disappear.
The magmatic pressure decreases.
Magma moves to other chambers.
Answer: the answer is C which is “the magmatic pressure decreases“
The magma rises and collects in chambers within the crust and as magma fills the chamber, pressure grows. If the pressure gets high enough the magma can break through the crust and spew out in a volcanic eruption., but If the pressure is low, do not break the crust. Thus the correct option is C.
What is molten magma?Magma is a molten and semi-molten rock mixture present under the surface of the Earth.
This mixture is usually made up of four parts such as a hot liquid base, called the melt, minerals crystallized by the melt, solid rocks incorporated into the melt from the surrounding confines, and dissolved gases.
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what does the axon of a postganglionic neuron synapse with?
The autonomic nervous system (ANS), fibers from the central nervous system to the ganglion are known as preganglionic fibers. The axon of a postganglionic neuron synapse with synapses with the effector organ.
Preganglionic neuron is known too be the first neuron in the two-neuron chain found in the brain or spinal cord. Its axon is known to have synapses with the postganglionic neuron.Postganglionic neuron is also known as the second neuron that is found in the automatic ganglion. Its axon synapses is connected to the effector organ.
Preganglionic axons synapse that is found in the sympathetic chain ganglia with a postganglionic neuron.
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what do you call it when a blowfly creates its wings
Answer:
Diptera
Explanation:
any member of an order of insects containing the two-winged or so-called true flies
The leaves of a plant are dotted with openings known as stomata when open stomach allow the plant to exchange to games and allow moisture to evaporate helping to draw water from the roots up into the plant these activities help the plant to
Select the four foods originally from tropical rainforests.
chocolate
honey
avocadoes
maple syrup
peaches
limes
peppers
Answer:
avocado peaches lime and honey I think
Which of the following is NOT a risk factor for multiple sclerosis?
Answer:
c is correct
Explanation:
What role do decomposers play in the movement of matter
through an ecosystem?
Decomposers play a critical role in the flow of energy through an ecosystem. They break apart dead organisms into simpler inorganic materials, making nutrients available to primary producers
