The higher coal reserves in Asia and Oceania are most likely the result of Geological processes.
We know the like other material resources and reserves, the world's coal reserves are unevenly distributed in the world and the higher coal reserves are in Asia and Oceania. This is because of geological processes.
why does the meiosis produce cells with only half the amount of DNA? How does this aid in the formation of a healthy zygote?
Which of these does NOT refer to a genotype of an organism?
homozygous
dominant
recessive
gamete
The poly(a) sequence that is added to rna during processing: _________. select all that apply.
Karen has type 1 diabetes, and she often forgets to administer insulin to herself. why does her breath usually have a fruity odor?
Karen’s breathe has a smell of fruity odor because of the ketones in which they are likely produced because insulin is not enough in the body of the individual. Karen did not inject insulin in her body in which is required for a person with type 1 diabetes, making her mouth smell a fruity odor.
The DNA sequence TTG is changed to TCG and produces a new protein. Which type of mutation is this?
Since the resulting nucleotide is offset from its initial sequence by only one parallel nucleotide we can definitely say it is Missense mutation. This sort of a mutation is known as a nonsynonymous mutation, there is only one direct substitution that occurs in the codon producing a different amino acid.
You wake up early in the morning and your room is fairly dark. you look over and see your shirt hanging on a hook. you know it's your red shirt because you hung it up there before you went to bed, but in the dark you can't see its color. it looks dark gray to you. why is that?
Answer:
In the dim light, the cones in your eyes are ineffectual.
Explanation:
Name the color of light that is least effective in photosynthesis.
Which is the term for the group of proteins that organizes and condenses long strands of DNA into tight coils?
A. Telomeres
B. Centromeres
C. Chromatids
D. Histones
Histones is the term for the group of proteins that organizes and condenses long strands of DNA into tight coils.
DNA is made up of several chromosomes, made up of long strands of DNA coiled in a tight spiral with proteins called histones.
Histones are protein molecules found on chromosomes responsible for compacting DNA to fit in the nucleus.During cell division, chromatin coils into dense fibers that eventually coil around each other to form a tightly coiled chromosome, a bundle of DNA and histones.Therefore, we can conclude that histones is the term for the group of proteins that organizes and condenses long strands of DNA into tight coils.
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The difference in height between successive high and low tides is called the tidal _____.
Explanation:
In sea levels, tides used to fall and rise due to the gravitational forces exerted by the rotation of Earth, Sun and Moon.
This difference in height between successive high and low tides is called the tidal range as it tells the exact amount of rise and fall.
The tidal range changes according to the change in location of Sun and Moon and it is not constant.
Gonorrhea is spread through ________.
a. semen, vaginal fluid and kissing
b. semen and vaginal fluid
c. semen, vaginal fluid, and sharing cups
d. semen, vaginal fluid, kissing and sharing cups
the answer is A.
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Many crops such as tomatoes and corn are now routinely genetically manipulated to become more resistant to disease and herbicides. what is one disadvantage of this genetic resistance?
As the crop of tomatoes and corn get genetically resistant to diseases and pest attacks, the other crops which grow along with the main crop specifically the weeds get destroyed. This is so because the pest that earlier attacked the tomatoes and corn now only have weeds and other unwanted plants that can be attacked and fed upon. This may disturb the micro ecosystem with in the agricultural field.
Which part of the brain is associated with ten of the 12 pairs of cranial nerves?
The oily secretion that lubricates the skin and inhibits growth of bacteria on the skin is called _____.
A mutation can cause a change __________.
a. in the amino acid sequence of a protein
b. in the shape of a protein
c. in the way the cell cycle is regulated
d. that is beneficial to the cell
e. all of the above
A student is studying mitosis, in which a cell divides to form two cells. Which of these shows the CORRECT mathematical model for the process if Nold shows the number of chromosomes in the parent cell and Nnew shows the number of chromosomes the individual daughter cells?
A) Nnew = Nold
B) Nnew = Nold/2
C) Nnew = 2 × Nold
D) Nnew = 4 × Nold
The right answer is A) Nnew = Nold
Mitosis is a process of cell division that makes it possible to obtain from a mother cell two identical daughter cells to each other (and at the same time to the mother cell). So their chromosome number of the daughter cells is identical to those of the mother cell.
Which soil horizon will contain the greatest amount of organic material?\?
CHANCE TO GET BRAINLIEST Which term is also the "spruce-moose" biome that characterizes much of Canada? A. temperate forest B. tundra C. taiga D. grassland
The term that is used is "tiaga".
Explanation:
Tiaga is the russian name which is used for boreal forest and which is also called as "Spruce moose". The reason behind this is that characteristic animals of this biome also includes moose, that's why it is sometimes called spruce moose. This biome covers the area of province quebec of Canada.
The body monitors fat stores by assessing levels of the hormone ____, which is produced and secreted by fat cells.
Efflorescence that appears on the surface of a wall of brick, stone, or concrete masonry can be caused by
Efflorescence on masonry can be caused by the formation of salt crystals, water's freezing and thawing, and physical disturbances from plants and animals.
Efflorescence that appears on the surface of a wall of brick, stone, or concrete masonry can be caused by several factors, including the formation of salt crystals within the rock, environmental factors like freezing and thawing of water in cracks, as well as physical disturbances such as cracking from plant roots and exposure by burrowing animals. This process occurs when water moves through a wall bringing salts to the surface. As the water evaporates, it leaves the salt deposits behind, which can cause a white, powdery residue to appear on the surface.Efflorescence is a common phenomenon observed on the surface of various masonry materials such as brick, stone, or concrete. It occurs when water containing dissolved salts migrates through the masonry substrate. As the water reaches the surface and evaporates, it leaves behind the salt deposits, resulting in the formation of efflorescence.
What is the production of sperm cells called?
What makes up the largest portion of the hydrosphere
The nurse is caring for a client with burns receiving opioid analgesics and who is sedated. which medications should the nurse anticipate to be prescribed by the primary healthcare provider to overcome this side effect of the opioid analgesics?
Changes in a person's height and weight during middle adulthood are accompanied by a decline in
Mr. Bondi suggests there doesn't have to be some chaotic event, such as an explosion, to explain the origin of the universe. Our universe was and just is. It looks the same from every location and does not change. Mr. Bondi believes in the _____.
A.) oscillating universe theory
B.) inflation theory
C.) steady state theory
D.) big bang theory
Answer: C.) steady state theory
Explanation:
Steady State Theory is based on the so-called "Perfect Cosmological Principle," according to which the Universe is homogeneous, isotropic and immutable. This hypothesis did not deny the expansion of the universe but rather believe in the continuous production of matter to counterbalance the expansion observed, keeping the average density constant. This theory was proposed by Herman Bondi, Thomas Gold, and Fred Hoyle, in 1948. The steady-state theory has lost almost all its adherents when it was discovered the cosmic background radiation, which this theory could not explain.
Each day, Earth receives 10,000 times the total energy used by all human beings. The source of this energy is _____. the sun cosmic rays the moon ocean tides
Answer:
The correct answer is the sun.
The sun is the ultimate source of energy of a food chain. This energy is trapped by the green photosynthetic plants under the process of photosynthesis.
Plants only absorb 2-8% of the PAR (photosynthetically active radiation- 400 700 nm) fallen on earth.
In addition, only 10% of the energy is transferred from one trophic level to the next one and rest 90% is dissipated in metabolic process or heat.
It is the reason that earth receives 10,000 times the total energy used by human beings as we are present on I and II trophic levels in a food chain.
What is the source of oxygen in the epipelagic zone?
Photosynthesis and diffusion from deeper ocean zones
Photosynthesis and diffusion from the air
Respiration and diffusion from deeper ocean zones
Respiration and diffusion from the air
The correct answer is (B) Photosynthesis and diffusion from the air
Dissolved oxygen enters the water from photosynthesis and through air. The The aeration of water can be caused by wind. From the air oxygen diffuse into the water and gets mixed in the it through circulation. The oxygen is also produced as a waste product of photosynthesis from blue-green algae, phytoplankton, etc which is added in water.
Answer:
b
Explanation:
Branches of the highlighted structure going to the intestines, liver, and pancreas are sent through the ________ plexus.
The branches of the highlighted structure going to the intestines, liver, and pancreas are sent through the celiac plexus.
Explanation:The celiac plexus, also known as the solar plexus, is a complex network of nerves located in the upper abdominal region, specifically around the celiac artery. It serves as a major autonomic nerve center and plays a crucial role in innervating various abdominal organs, including the intestines, liver, and pancreas.
The celiac plexus is responsible for transmitting sympathetic and parasympathetic nerve fibers to these organs, regulating their functions and maintaining homeostasis.
As the branches of the highlighted structure extend towards the intestines, liver, and pancreas, they pass through the celiac plexus, allowing for the integration of neural signals that influence digestive processes, blood flow, and other physiological functions.
This intricate network of nerves facilitates communication between the central nervous system and the abdominal organs, ensuring coordinated responses to various stimuli. The celiac plexus's involvement in the innervation of critical digestive organs highlights its significance in maintaining the overall functionality and balance of the gastrointestinal system.
A student sets up a compost bin outdoors. Inside the bin microorganisms convert the student’s vegetable and paper scraps into rich fertilizer.Which of the following best describes the role that these microorganisms play in natural habitats?
A The microorganisms help balance the numbers of producers and consumers.
B The microorganisms help keep nutrients cycling through the ecosystem.
C The microorganisms turn solar energy into sugars.
D The microorganisms function as autotrophs.
Answer:
B The microorganisms help keep nutrients cycling through the ecosystem.
Explanation:
Microbes form a very important part of the ecosystem. Along with other decomposers like fungi they help to recycle the nutrients.
Microbes break down dead and decaying matter, plant litter and animal waste into smaller components for their own utilization. This decomposition process is accompanied by release of chemicals like nitrogen, phosphorus and carbon in soil and atmosphere which can be again used by plants and animals. Once these animals and plants die, they again go through the same cycle. Hence microorganisms help keep nutrients cycling through the ecosystem.
About what percentage of eukaryotic DNA transcribes protein?
A. 1%–3%
B. 25%–35%
C. 65%–75%
Chlorophyll b absorbs in green wavelengths of light that chlorophyll a cannot absorb. in this respect, chlorophyll b acts as
Chlorophyll b is an accessory pigment. Chlorophyll a is an essential pigment.
What are essential pigments?
The range of wavelengths that a pigment absorbs is known as its absorption spectrum. The absorption spectra of three important pigments involved in photosynthesis—chlorophyll a, chlorophyll b, and -carotene.
Chlorophylls come in five main categories: chlorophylls a, b, c, and d, as well as bacteriochlorophyll, a similar chemical found in prokaryotes. The two primary photosynthetic pigments in plants are chlorophyll a and chlorophyll b. Blue and red wavelengths are absorbed by chlorophyll molecules.
Therefore, Chlorophyll b is an accessory pigment. Chlorophyll a is an essential pigment.
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