The endomembrane system of a cell comprises the Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum. It does not include ribosomes. This system works together to synthesize, transport, and modify proteins and lipids.
Explanation:The endomembrane system in a cell includes several different components that work together to transport and modify proteins and lipids. These components include the Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum. The correct option for your question is therefore option d: Golgi apparatus, lysosomes, vacuoles, and the endoplasmic reticulum.
The endoplasmic reticulum (ER) is where proteins and lipids are synthesized, the Golgi apparatus modifies and sorts these molecules, the vacuoles store substances, and the lysosomes act as the cell's digestive system, breaking down waste materials and cellular debris.
It's important to note that ribosomes are not part of the endomembrane system. They are involved in protein synthesis, but they are part of a different cellular system.
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Once the body has begun shivering, what happens to make it stop shivering?
A) When body temperature returns to normal, the respiratory system sends a message to the skeletal system to stop shivering.
B) When body temperature returns to normal, the nervous system sends a message to the muscular system to stop shivering.
C) When body temperature is below normal, the nervous system sends a message to the skeletal system to stop shivering.
D) When body temperature is below normal, the respiratory system sends a message to the muscular system to stop shivering.
Answer: Option B
Explanation:
When the body is exposed to the colder temperature then it starts shivering and this response is the part of homeostasis. During this process the nervous system sends signal to muscular system which stimulates shivering to make the body temperature normal.
When the body temperature comes to normal again the nervous system sends a signal to muscular system to stop the shivering.
Thus, the correct answer is "Option B".
Adults often provide indirect feedback about grammar by using __________, which restructures inaccurate speech into correct form.
a.fast-mapping
b.an expansion
c.overregularization
d.a recast
Final answer:
Adults often use a recast to provide indirect feedback on grammar, subtly correcting a child's speech by incorporating the correct form in their response. This method allows children to learn the proper usage through exposure in a natural conversational context. It contrasts with overregularization, where children apply grammatical rules too broadly, demonstrating the refining role of recasts in language acquisition. The correct option is d.
Explanation:
Adults often provide indirect feedback about grammar by using a recast, which restructures inaccurate speech into correct form. This method involves adults responding to a child's incorrect utterance by subtly correcting the mistake within their reply, without explicitly pointing out the error or demanding correction from the child. For instance, if a child says, "I goed to the park," an adult might respond, "Oh, you went to the park? That sounds fun!" Here, the adult is not directly correcting the child but providing the correct form of the verb. This technique is beneficial because it models the correct usage in a natural context, helping the child to internalize the correct form through exposure rather than through direct correction.
Recasts contrast with approaches like overregularization, where children apply general grammatical rules too broadly, leading to errors. While overregularization reflects a child's growing understanding of language rules, recasting helps to refine this understanding by providing correct models in response to mistakes. For example, overregularization might lead a child to say "foots" instead of "feet," and an adult might use a recast by saying, "Yes, your feet look cold."
"sofia was 6 pounds at birth. she is a healthy baby. how much does she likely weigh now that she is 1 year old?"
Sofia was 6 pounds at birth. she is a healthy baby. She should be 18 pounds when she is 1 year old. The correct option is C.
What is a healthy weight for a baby?Typically, a baby should weigh between 2.5kg and 4.5kg at birth, with 3.5kg being the average.
Your baby's birth weight is the measurement made immediately after birth. A baby with a low birth weight is one that weighs less than 5 pounds, 8 ounces.
Boys typically weigh more at birth than girls do, and this pattern persists as kids become older, with girls weighing approximately a half pound less. But as toddlerhood approaches, girls catch up quickly. By 19 months of age, the majority of them are half their adult height.
Up until the sixth month, a baby would gain somewhere between 140 and 200 grammes per week.
Thus, the correct option is C as per the above details.
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Your question seems incomplete, the missing options are:
a. 10 pounds
b. 15 pounds
c. 18 pounds
d. 24 pounds
It is the job of the respiratory system to _________.
A. support the body and allow movement
B.transport nutrients and oxygen throughout the body
C. exchange air between the environment and the body
D. breaks down food to get nutrients
An individuals mother has blond hair and blue eyes. that individuals father has brown hair and brown eyes. the individual has brown hair blue eyes. how did that individual inherit a mixture
Suppose we discovered a form of life like our own which utilized 20 amino acids, but had 6 nitrogeneous bases instead of the 4 our life uses. what would be the minimum length of a codon which could represent all 20 currently used amino acids?
Monkeys, chickens, and fish all belong under the _______ of "animal"
Which is the largest division of time on the geologic time scale?
SCIENCE!!! HHHEEELLLPPP!!!
Are viruses alive? This a question debated among scientists throughout the world.
Scientists discovered the tiny, disease-causing agents that were believed responsible for such diseases as rabies and hoof-and-mouth disease. Initially, scientists classified viruses as “living”, but in 1935, they began to change their thinking.
Scientists crystalized the tobacco mosaic virus, noting that it did not have cell structure, of even the simplest kind. There was no membrane, no nucleus, and no ribosomes. They determined that a virus was nothing more than a strand of nucleic acid, DNA or RNA, protected by a protein shell. Scientists also believed that viruses lacked the mechanisms necessary for metabolic function.
Some scientists argued that viruses are capable of response to stimuli. When not in a favorable environment within a host cell, the virus remains an unchanging, dormant, organic particle. But once in contact with the susceptible host or in a favorable environment, the virus becomes active, injecting its nucleic acid into the host cell, and eventually self-replicating. In this manner, one virus is capable of producing many other viruses, identical to the original, to attack host cells.
You are debating whether or not viruses are alive. You are arguing for the negative, that is, viruses are not alive. First, list the characteristics of life. Then, use evidence from the passage to support your side of the debate.
Some bacteria can cause disease. for example, the bacterium vibrio cholerae causes cholera, and the bacterium bordetella pertussis causes whooping cough. what type of medicine is generally used to treat bacterial infections
Which property of water explains its ability to prevent sudden changes in body temperature?
What type of biodiversity describes the variety of different species in a community?
An abnormal sensation of numbness and tingling caused by an injury to a nerve is known as:
How is the genetic material in two daughter cells similar to the genetic material in the original parent cell?
Tetracycline is rarely used in pregnant and very young patients because it can:
The health care provider discovers a clot in the client's left lower leg. anticoagulant drugs are prescribed to prevent formation of new clots and to achieve which other effect?
At the end of meiosis, a cell containing 8 chromosomes will produce daughter cells, each containing ____ chromosomes.
What component of the cell membrane contribute to the mosaic quality of the cell membrane?
3 principles of cell theory
Final answer:
The cell theory states that the cell is the smallest unit of structure and function of all living organisms, all living organisms are made up of at least one cell, and living cells always come from other living cells.
Explanation:
The Cell Theory:
The cell theory is another important scientific theory of biology. According to the cell theory, the cell is the smallest unit of structure and function of all living organisms, all living organisms are made up of at least one cell, and living cells always come from other living cells. Once again, no evidence has been identified that proves this theory is incorrect.
compare and contrast two specific animals that darwin observed on his voyage
Two specific animals that Darwin observed on his voyage is the birds and the tortoises. He differs both animals by having to described that tortoises have shells that became different depending on the place that they are in and birds in which has different beaks based on the different parts that they lie on the island.
The ligaments that limit the anterior-posterior movement of the tibia and maintain the alignment of the femoral and tibial condyles are the ________ ligaments. the ligaments that limit the anterior-posterior movement of the tibia and maintain the alignment of the femoral and tibial condyles are the ________ ligaments. cruciate tibial collateral patellar popliteal fibular collateral
The anterior and posterior cruciate ligaments limit the anterior-posterior movement of the tibia and align the femoral and tibial condyles for knee stability.
Explanation:The ligaments that limit the anterior-posterior movement of the tibia and maintain the alignment of the femoral and tibial condyles are the anterior cruciate ligament and the posterior cruciate ligament. These intracapsular ligaments are essential for knee stability. The anterior cruciate ligament prevents hyperextension, while the posterior cruciate ligament prevents anterior sliding of the femur over the tibia when the knee is flexed and weight-bearing, such as when walking downhill.
Which of the following is NOT an advantage of composting?
A. protecting soil from erosion
B. compost can come from any kind of material
C. reducing the need for fertilizers
Shown below on the left is the structure of 2-methylpentane. what is the name of the structure on the right, labeled (b)?
Explain how some people applied darwin's theory of natural selection to modern human societies
Social Darwinism was a misinterpretation of Darwin's theory that some people applied to modern human societies to justify social class distinctions and racism. However, this interpretation was discredited and does not align with Darwin's original scientific discoveries.
Explanation:Social Darwinism, a misinterpretation of Darwin's theory, was applied to modern human societies by some individuals in the 19th and 20th centuries. It suggested that societal success and power were determined by superior breeding and those who were deemed weaker should perish. This theory was used to justify social class distinctions and racism. However, it is important to note that this interpretation of Darwin's theory was discredited and does not align with his original scientific discoveries.
What are physical characteristics of an organism that are passed down from generation to the next?
A traditional facial reconstruction uses what material?
Resin
Plastic
Clay
Plaster of Paris
Answer:
A traditional facial reconstruction uses what material?
Resin
Plastic
Clay
Plaster of Paris
Ecological succession that occurs in an area where no ecosystem existed before (such as bare rock with no soil) is called:
a. primary succession
b. secondary succession
c. ecological succession
d. keystone succession
Primary succession is the type of ecological succession that occurs in an area where no ecosystem existed before, such as bare rock with no soil.
Explanation:The correct answer is a. primary succession. Primary succession is the type of ecological succession that occurs in an area where no ecosystem existed before, such as bare rock with no soil. This process begins with pioneer species, such as lichens and mosses, that can tolerate harsh conditions and gradually break down the rock to form soil. Over time, more complex plant and animal species colonize the area and create a stable ecosystem.
When the transport proteins "pump" molecules across the plasma membrane from low to high concentration against the concentration gradient it is called?
Pericarditis commonly results in the increased production of pericardial fluid. the fluid collects in the pericardial cavity which restricts the movement of the heart. this condition is known as _______________.
during diffusion, how do the molecules physically get from one place to the other? (spaceship tractor beam, winged monkeys)
During diffusion, molecules move from the region of higher concentration to the region of lower concentration.
For diffusion to occur, there must exist a diffusion gradient which is the difference in the concentration of the substance in the two regions.
Therefore, the diffusion gradient is the driving force that allows diffusion to take place.
Some characteristics of diffusion include:
Diffusion is rapid when the concentration gradient is large.It slows down when the difference in the concentrations become less.When the molecules (solute) are evenly distributed in the medium (solvent), we say a dynamic equilibrium has been reached.Learn more here:
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