Answer:
According to Hardy Weinberg theorem, the answer comes out to be: 0.32.
By applying the Hardy- Weinberg equilibrium principle, with p = 0.8 and q = 0.2, the frequence of the heterozygous genotype( 2pq) is set up to be0.32. therefore, the correct answer is option C.0.32.
The question pertains to the Hardy- Weinberg equilibrium, which is a principle used in biology to calculate genotype frequentness in a population.
Given the frequence of the dominant allele p = 0.8, we can find the frequence of the heterozygous genotype( 2pq) by knowing that q = 1-p. therefore, q = 0.2.
The frequence of the heterozygous genotype is calculated as 2pq = 2(0.8)(0.2) = 0.32. thus, the correct answer is 0.32.
The muscle that generates the most power during elbow flexion is the __________. the muscle that generates the most power during elbow flexion is the __________. brachialis triceps brachii brachioradialis biceps brachii
The biceps brachii, located in the upper arm, generates the most power during elbow flexion. Other muscles contribute, but the biceps brachii is the primary muscle responsible.
Explanation:The muscle that generates the most power during elbow flexion is the biceps brachii. This muscle is located in the upper arm and is the one most visible during elbow flexion. It flexes the forearm at the elbow and also assists in supination, which is the action of turning the palm upward or forward. While the brachialis and brachioradialis also contribute to elbow flexion, and the triceps brachii acts as an antagonist muscle during this movement, the primary muscle responsible for the most power during this action is the biceps brachii.
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Stimuli that increase the probability of a response they follow by removing an unwanted stimulus are called _____.
"blood vessels visible in the posterior view" of the heart include the
Which problem is most directly caused by dumping waste in landfills?
Pollution of undergroundwater
Which of the following is not true regarding the cacao tree? a. It originated in the Amazon. b. The cacao tree produces fruit all year long. c. Cocoa is made from the whole cacao fruit. d. The cacao fruit has a mango flavor. Please select the best answer from the choices provided A B C D
Answer: c. Cocoa is made from the whole cacao fruit.
Cacao trees are grown in the Amazon and tropical regions of America. These are evergreen tree belonging to family Malvaceae. The cocoa fruit taste like mango. Cocoa is made from seeds or beans of cocoa fruit. The seeds are used to make cocoa mass, cocoa powder, confectionery and chocolates.
Cocoa is made from the seeds of the cacao fruit, thus, the untrue statement is that Cocoa is made from the whole cacao fruit.
What is the Cacao fruit?The cacao fruit is a tropical fruit with the scientific name Theobroma cacao.
The cacao fruit is known to have originated from the Amazon.
The cacao tree produces fruit all year long.
The cacao fruit has a mango flavor. It is important in the production of chocolates and chocolate beverages and the seeds are used to make cocoa.
Therefore, the untrue statement is that Cocoa is made from the whole cacao fruit.
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The tranquilizers valium and librium are classified in which schedule of the controlled substances act
How does exposure to chemicals that cause mutations increase the risk of developing cancer? carcinogens can cause mutations in genes. hazardous chemicals can damage proto-oncogenes. carcinogens can cause abnormal protein synthesis. the rate of cancer causing mutations increases with age. hazardous chemicals can damage tumor suppressor genes?
Ecosystem productivity is principally limited by _______.
The heart is a cone-shaped muscular organ located within the ________ of the thorax. its apex rests on the ___________ and its superior margin lies at the level of the_________ rib. approximately two-thirds of the heart mass is seen to the left of the ___________.the heart is enclosed in a serosa sac called the. the heart has __________ chambers. relative to the roles of these chambers, the _____ are the receiving chambers, whereas the ________ are the discharging chambers.
When the complete der ring des nibelungen (the ring of the nibelung) is performed, it lasts about how long?
It is 18 hours long.
Dr. bruce says "its beneficial features are the ability to map ongoing psychological activities of the brain without injecting radioactive substances into the patient's body. in addition, they are much more widely available procedures than what was used before." what is dr. bruce describing?
Membranes in living cells, including those in humans, are characterized by a separation of charge across the membrane. effectively, the membranes are thus charged capacitors with important functions related to the potential difference across the membrane. is energy required to separate these charges in living membranes and, if so, is its source the metabolization of food energy or some other source?
Yes, energy is required to separate the charges. Mostly, the inner of the cell membrane is negatively charged compared to the outside. When the cell becomes depolarized, ions, especially, Sodium ions, are pumped out by active transportation to restore resting potential. Active transport requires energy from ATP powered by food metabolism.
Final answer:
Yes, energy is required to separate charges across the cell membrane, and it is derived from the metabolization of food. This process is crucial for establishing a membrane potential necessary for many cellular functions, including signal transmission in nerve and muscle cells.
Explanation:
Energy and Charge Separation in Cell Membranes
Cell membranes in living organisms, including humans, function similarly to capacitors as they exhibit a separation of charge across their structure. This charge separation, or membrane potential, is fundamentally important for many cellular processes, including the conduction of electrical signals in nerve and muscle cells. The membrane potential is typically in the range of 70 to 90 mV, creating an immense electric field due to the thinness of the membrane.
The formation and maintenance of this potential difference do require energy. In biological systems, this energy is derived primarily from the metabolization of food, which provides the ATP necessary for energy-dependent processes such as active transport. Notably, the sodium-potassium pump, one of the critical active transporters, utilises this energy to maintain concentration gradients of sodium and potassium ions across the cell membrane, thereby contributing to the separation of charges.
Indeed, it is estimated that a significant portion of a cell's energy expenditure, about 25%, is dedicated to creating and sustaining the membrane potential. This underscores the vital role that the managed separation of charges plays in cellular homeostasis and function.
It has been argued that declining levels of which hormone help to explain the aging-out process?
Which part of an individual amino acid distinguishes it from other amino acids? which part of an individual amino acid distinguishes it from other amino acids? central carbon side chain acid group amine group?
The part of individual amino acid that distinguishes it from other amino acids is the side chain.
Amino acidsAmino acids generally have 4 components:
The central carbon atomThe alpha carboxylic groupThe alpha amino groupThe side chain or the R groupAll the 20 naturally occurring amino acids have different sides or R groups. Thus, the R or side group differentiates one amino acid from another.
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A common example of a gis is getting driving directions from _______ _______. flashcards
The correct answer is "" Maps"" or ""a GPS navigation device.""
A Geographic Information System (GIS) is a framework for gathering, managing, and analyzing data. It is used to visualize data in a geographic context, which can be anything from a simple map to complex spatial analysis. One of the most common and practical uses of GIS technology is in GPS navigation devices and online mapping services like Maps, which provide driving directions based on spatial data.
When you input your starting location and destination into Maps or a GPS navigation device, the system uses GIS data to calculate the best route. This includes considering road networks, traffic conditions, and other geographic information. The GIS technology then presents the route visually on a map and provides turn-by-turn directions.
Therefore, when filling in the blanks on the flashcards for a common example of a GIS, ""Maps"" or ""a GPS navigation device"" would be appropriate answers, as they both utilize GIS to provide driving directions and other location-based services.
Noted scientist Dr. Elsa Birde described the effect of adding a mixture of dried apples and raisins to the previous feed of sunflower seeds, millet, thistle seed, and cracked corn in bird feeders in her yard. Over three years, Dr. Birde observed that the new mixture increased the number of songbirds at her feeders, especially during the months of April and May. As she has done for several years, Dr. Birde recorded, at the same time each day, the number of birds at each of her four feeders. She noted that the third year using the mixture coincided with the largest increase. There was a twenty-five percent increase in the number of songbirds over times when this mixture was not used. Dr. Birde also noted that in the third year she used a specific ratio of the ingredients, carefully measuring, which she had not done in previous years. The third year also had a warmer than normal spring, and a construction project began in a neighborhood near Dr. Birde’s. Dr. Birde is now going to produce this formula for sale and advertise to customers that they may see the same twenty-five percent increase in songbirds at their feeders.
Dr. E. Birde, Journal of Scientific Bird Feeding
Which scientific claim can be made?
Songbird numbers will increase due to the effects of climate change increasing global temperatures. Songbirds appear more often in April and May.A combined ratio is the main reason songbird numbers increased.A study by Dr. Birde showed that the number of songbirds in her yard increased due to a modified food source.
Answer:
A study by Dr. Birde showed that the number of songbirds in her yard increased due to a modified food source.
Explanation:
I just now answerd it.
Sexual reproduction has never been observed in which type of fungus
Chromosomes are composed of complex molecules known as _____.
Answer:
DNA
Explanation:
Chromosomes are X-shaped structures in the cells of living organisms and the form genetic material is transferred to offsprings. Chromosomes are composed of long polynucleotide chains called DNA. Deoxyribonucleic acid or DNA is the stored form of genetic material in cells. They contain the information needed by an organism's for survival.
DNA is a very long chain of nucleotides, hence, in order to fit into a cell, the cell devises a means by wrapping the long DNA around certain proteins called HISTONES. The initial wrapping of DNA around the core of histone proteins form the NUCLEOSOME structure. The nucleosome is then further coiled around histones to form CHROMATIN. Chromatin later condenses during cell division to form the visible CHROMOSOME structure.
In a nutshell, a chromosome contains a complex long strands of DNA molecules, the genetic material.
what is the difference between a non-mutated gene and a mutated Gene
If systolic blood pressure exceeds ________ mmhg while exercising, it should be monitored by a physician actions personal
Which best describes the role of a negative feedback loop?
The output is reduced so the body can maintain homeostasis
The output builds so the body can maintain homeostasis
Hormone levels In the blood increase to increase effects
Hormone levels In the blood decrease to increase effects
Answer:
Explanation:
Which best describes the role of a negative feedback loop?
The output is reduced so the body can maintain homeostasisThe output builds so the body can maintain homeostasis
Hormone levels In the blood increase to increase effects
Hormone levels In the blood decrease to increase effects
Which strand of dna is synthesized toward the middle of the replication bubble? see section 15.3 (page 321) ?
A DNA replication bubble forms at a specific sequence of bases called the origin of replication (ori). So, the correct option is B.
What is Origin of replication?The origin of replication is defined as the particular sequence in a genome at which replication is initiated which may include replication of DNA in living organisms such as prokaryotes and eukaryotes or replication of DNA or RNA in viruses, such as Double stranded RNA virus.
During the process called initiation, the replication machinery called replisomes assemble onto the DNA in a bidirectional fashion. These assembly loci form the start sites of DNA replication or replication origins. A DNA replication bubble forms at a specific sequence of bases called the origin of replication (ori).
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
A DNA replication bubble forms at a specific sequence of bases called the ___________. see section 15.3 ( page 321).
topoisomerase origin of replication dna polymerase leading strand lagging strandWhat factor would account for a strong synovial joint?
A.small reinforcing ligaments
B.low muscle tone
C.synovial fluid
D.the deepest articular surface
Small reinforcing ligaments are the factor contributing to the strength of a synovial joint. They provide stability and prevent dislocation, hence making the joint stronger. Other factors like low muscle tone, synovial fluid, and the deepest articular surface do not directly contribute to the joint's strength.
Explanation:The factor that would account for a strong synovial joint is essentially the small reinforcing ligaments. Ligaments are tough, flexible tissues that connect bones or cartilage and also hold joints together. A synovial joint fortified with small reinforcing ligaments will tend to be stronger as they provide stability and help to prevent dislocation.
Options B, low muscle tone, and D, the deepest articular surface, do not directly contribute to the strength of a synovial joint. Synovial fluid, option C, certainly plays a role in the joint's ability to function smoothly by acting as a lubricant, but it does not inherently make the joint stronger.
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Messages from the brain to the muscles and glands in the body begin their journey in the __________.
Final answer:
Messages from the brain to the body's muscles and glands start in the central nervous system (CNS), with the spinal cord playing a key role in conducting these motor impulses.
Explanation:
Messages from the brain to the muscles and glands in the body begin their journey in the central nervous system (CNS). The spinal cord serves as part of the CNS and acts as an information superhighway, conducting motor impulses from the brain via the motor (efferent) nerves. These nerves carry the nerve impulses away from the brain to various parts of the body, such as glands and muscles, allowing for a coordinated response to various stimuli. The nervous system is a vast network that includes not only the CNS but also the peripheral nervous system (PNS), which connects the brain and spinal cord to the rest of the body.
The nurse is educating a patient regarding breathing techniques. what technique should the nurse avoid in a patient with chronic obstructive pulmonary disease (copd) who has marked hyperinflation?
The ________ is an example of a modern convergent boundary where two continents meet.
Answer is Northerly movement of India relative to Eurasia
A convergent boundary is a lithospheric plate boundary that moves. When two plates come together, it is known as a convergent boundary. An example of convergent boundary is the boundary between the Eurasian Plate and the Indian Plate at the Himalayas.
While assessing a patient who has fever, cough, and myalgia, the nurse confirms that the patient has pneumonia. which other symptom would the nurse expect to find in the patient?
What can isobars that are drawn very closely together reveal about the weather?
A 30-year-old woman goes to the doctor complaining of flu symptoms: fever, chills, muscle aches, and exhaustion. The doctor compares the effectiveness of bed rest versus antibiotics in her case. Which of the following best matches the doctor's arguments?
A. She is most likely ill from a bacterial infection. Antibiotics will not be effective against the bacteria, but bed rest and plenty of fluids will help.
B. She is most likely ill from a bacterial infection. Antibiotics will be more effective against the bacteria than bed rest alone.
C. She is most likely ill from a virus. Antibiotics will be more effective against the flu virus than bed rest alone.
D. She is most likely ill from a virus. Antibiotics will not be effective against the flu virus, but bed rest and plenty of fluids will help.
Answer:
The answer would be D. She is most likely ill from a virus. Antibiotics will not be effective against the flu virus, but bed rest and plenty of fluids will help.
Explanation:
Taking the test now and got it right.
Chimpanzees have been trained to communicate with humans through: