Cars with hybrid and electric motors ____ ?
a. Are no longer produced
b. Use solar panels for power
c. Creates less air pollution than conventional cars
d. Use more fuel than conventional cars
What is the purpose of the biogeochemical cycles?
-to cycle energy through a food chain
-to recycle matter through the biosphere
-to recycle rocks through the layers of Earth
-to cycle nutrients through the human body
Answer:
B
Explanation:
What are the advantages and disadvantages to the way we currently define life? How might our list of characteristics be challenged in the future (genetic engineering, cloning, etc.)? (5pts)
Answer:
What is a legal document issued by a government that gives an inventor exclusive rights to make use or sell an invention for limited time
The nurse is assessing a client's respiratory rate and rhythm during the beginning of a shift. the nurse knows that a normal breathing rate is between approximately 10 and 20 breaths per minute, but the client's rate is 29 breaths per minute. how should the nurse respond to this assessment finding?
The nurse should be concerned about the client's respiratory rate being above the normal range and should communicate this finding to the healthcare provider.
Explanation:The nurse should be concerned about the client's respiratory rate being above the normal range. A respiratory rate of 29 breaths per minute is considered tachypnea, which may indicate an underlying health issue. The nurse should communicate this finding to the healthcare provider and initiate appropriate interventions.
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The finding that ___ can cause channel-swapping is consistent with early filter theories of auditory attentional selection.
Final answer:
Motivation can cause channel-swapping, consistent with early filter theories of auditory attentional selection and evidenced by signal detection theory and synaptic plasticity influencing perception.
Explanation:
The finding that motivation can cause channel-swapping is consistent with early filter theories of auditory attentional selection. Motivation influences our perception, such as when expecting an important phone call while showering and thinking we hear the phone when it's not actually ringing.
This phenomenon is an example of signal detection theory, which helps explain our ability to discern a meaningful stimulus amidst noise. Furthermore, the connections between neurons on both sides of the brain enable us to detect slight differences in sound stimuli, aiding in auditory discrimination.
Another key aspect is synaptic plasticity, which allows the brain to integrate and respond to new information, as seen in experiments with auditory tones and foot shocks.
External sounds that are significant, like the crashing of dishes, can penetrate our attentional filters due to the bottom-up attentional capture mechanism. All of these principles contribute to our understanding of how attention and perception work in conjunction with auditory stimuli.
In medicine, why do you think it is important that re-evaluation is part of the scientific process?
A student pushes a box with a total mass of 50kg what is the net force on the box if it accelerates 1.5 m/s2
If a cell were treated with a poison to block to function of its mitochondria, which of the following would be the likely result?
During the first cycle of the natural sleep cycle. REM sleep lasts for about how long?
During the first cycle of the natural sleep cycle, REM sleep usually lasts for about 10 minutes. It is characterized by rapid eye movements, high brain activity, and a lack of muscle tone. The duration of REM sleep increases with each sleep cycle throughout the night.
Explanation:The question is asking about the duration of REM sleep during the first cycle of the natural sleep cycle. To answer this question, we first need to understand what REM sleep is. REM, or Rapid Eye Movement sleep, is a phase of the natural sleep cycle characterized by rapid movements of the eyes, high brain activity, and a lack of muscle tone. This is often the stage in which dreaming occurs.
The duration of REM sleep changes throughout the night, with each sleep cycle. During the first sleep cycle, REM sleep typically lasts for about 10 minutes. However, as the night progresses, the length of each REM stage can increase, with the final REM stage of the night potentially lasting up to an hour.
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Which bonds are hydrolyzed during the breakdown of starch during digestion?
A.) 1 and 4
B.) 1 and 3
C.) 1 and 2
D.) 3 and 4
E.) 2 and 3
Answer:
The correct answer is A.) 1 and 4
Explanation:
Starch is the branched polymer made up of units of D- glucose. It contains amylopectin and amylose. They are found in plants and store glucose for energy in plants.
Amylose is made up of unbranched polymer of α-D-glucose residue joined together by α1-4 glycosidic bond and amylopectin is also made up of α-D-glucose units joined together by α1-4 glycosidic bond but it is a branched polymer with α1-6 branching point after some glucose residues.
So α- amylase is the enzyme that breaks down the α1-4 glycosidic linkage between two glucose units of starch to produce glucose and maltose residues. So the correct answer is A.) 1 and 4.
What would happen if you put a mixture of proteins and starch in a solution containing trypsin
Answer:
Proteins digestion occur by trypsin.
Explanation:
Digestion may be defined the process of breakdown of large food particle into the simpler substance and their absorption into the body. the digestive enzymes enzymes and juices are needed for digestion.
Trypsin may be defined as the enzyme that helps in the breakdown of proteins into simpler amino acids. The solution that contain proteins and carbohydrates and contain trypsin, the proteins are digested by trypsin and starch remains unaffected in the solution.
Thus, the answer is proteins digestion occur by trypsin.
What is the main purpose of creating a family health tree?
What is a politician consequences of not using your critical thinking skills throughout life ?
After staining endospores will be ___ in a ____ cell
After staining endospores will be green in a parent cell. Staining endospore is difficult as the bacteria do not allow stains to be attach to the spore. This is why there is a need to use heat to let the main stain which is Malachite green into the endospore.
If receptors in muscle fibers are thought of as locks, the keys are:
The functions of the body that operate outside of conscious awareness are governed by the _______ nervous system.
A biologist set up an experiment to study nine mice on day one of the study the mice were measured for a variety of characteristics then the mice were put into individual pages and kept under the following conditions?
The biologist in question is segueing different components of the scientific method to design this experiment. The mice are gauged for certain characteristics, placed in controlled environments, and further observed for any changes, exemplifying observation and data gathering, then experimentation, and finally, comparison and analysis.
Explanation:In the described biological study, the biologist is likely following a method similar to the scientific method used extensively across fields of study. At the beginning of the experiment, the selected mice might be measured for characteristics such as weight, body length, or specific behaviors. This forms the basis for observation and data gathering, the first steps in a scientific inquiry.
Post gathering these initial observations, the mice are placed in individual setups, or "pages" as mentioned in the query. Ideally, these conditions should be controlled, and any changes in the mice's characteristics subsequently observed could be attributed to those specific conditions. The process here resembles that of an experimentation setup. To put it simply, it involves observing changes in your subjects (in this case, the mice) in a controlled environment.
Another possible method for studying the mice could include comparing the individual mice data and conducting further analysis. This falls under the section of data comparison and analysis which is a key component of many scientific studies, allowing researchers to observe patterns and possibly infer causal relationships.
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A particular species of butterfly lays its eggs on only one type of lupine flower. What would be a likely result if pesticides sprayed on these lupines kills insects that pollinate the flowers?
1.The lupine-dependent butterflies would lay eggs on other plants.
2.The lupine-dependent butterflies would disappear.
3.Other insect pollinators would proliferate.
Answer:2 the lupine dependent butterflies would disappear.
If the spraying of pesticides will remove all the insects then there will be no insect that will pollinate the lupine flowers. So this will cause removal of lupine species from the environment. And the lupine dependent butterflies will not be able to release their egg on these specific flower and will also disappear from the environment.
The removal of lupine flower from the environment will lead disappearing of these lupine dependent butterflies.
An enveloped virus is dependent on the envelope for its ability to infect a host cell. Which virus most likely uses this mechanism?
Answer:
HIV
Explanation:
HIV is a retrovirus, is an enveloped virus classified in the Lentiviridae subfamily and is a sexually transmitted infection. This virus infects a host cell by attacking the immune system, which is responsible for defending the body from disease. The most affected cells are CD4 + T lymphocytes. The virus is capable of altering the DNA of this cell and making copies of itself. After multiplying, it breaks the lymphocytes in search of others to continue the infection.
The endocrine and nervous systems are considered _________ homeostatic regulatory mechanisms
The endocrine and nervous systems are considered extrinsic homeostatic regulatory mechanisms.
What is Extrinsic mechanism?During hemostasis the extrinsic pathway is the shorter pathway in contrast the intrinsic pathway is the longest pathway.
Endothelial cells release tissue factor when the damage to the vessel which goes on to activate factor VII to factor VIIa, and Factor VIIa goes on to activate factor X into factor Xa. at this point both extrinsic and intrinsic pathways become one.
The difference between Extrinsic and Intrinsic pathway is that intrinsic pathway is activated by factors in the blood, while extrinsic is activated by tissue factor, but in the end both factors result in activation of factor X.
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how is telomerase activity different from DNA polymerase activity during DNA elongation?
PLEASE HELP 20 PTS
A group of middle school students were given a short course in speed-reading. The instructor was curious if a monetary incentive would influence performance on a reading test taken at the end of the course. Half the students were offered $5 for obtaining a certain level of performance on the test, the other half were not offered money.
What is the Control group?
What is the Independent Variable?
What is the Dependent Variable?
Match the following terms and definitions. 1. transcription the transfer of genetic code from DNA to an RNA molecule 2. translation the breeding of two organisms which differ in a single trait 3. monohybrid cross converting the genetic code into the language of proteins 4. incomplete dominance when genes are neither dominant nor recessive and display a blending of traits in the phenotype 5. sex-linked genes genes that are carried on the X chromosome NEXT
Answer:
The correct term matching to its definition is given below:
Explanation:
1. Transcription : the transfer of genetic code from DNA to an RNA.
2. Monohybrid cross: the breeding of two organisms which differ in a single trait.
3. Translation: converting the genetic code into the language of proteins.
4. Incomplete dominance : when genes are neither dominant nor recessive and display a blending of traits in the phenotype
5. Sex-linked genes: genes that are carried on the X chromosome
Epithelia are classified by the number of cell layers and the ____________________ of the cells.
Epithelia, a type of cell tissue, are categorized based on the shape of the cells (squamous, cuboidal, or columnar) and the number of layers in the tissue (simple for one layer, stratified for more than one). Other types include pseudostratified and transitional epithelia.
Explanation:Epithelia are classified by the number of cell layers and the shape of the cells. Epithelial tissues can be squamous (flattened and thin), cuboidal (boxy or as wide as they are tall), or columnar (rectangular, taller than they are wide). Furthermore, the number of cell layers can vary: a simple epithelium has one layer, where every cell rests on the basal lamina, and a stratified epithelium has more than one cell layer, where only the basal layer of cells rests on the basal lamina.
Additionally, there are other types like pseudostratified, which appear to have more than one layer due to their irregular shape, and transitional, a type of stratified epithelium where the shape of the cells can vary.
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which spanish territory was turned over to great british after the french and indian war A. cuba B. new Mexico C. florida D. LOUSIANIA
Which organelles surround the cell? Check all that apply.
cell wall
cell membrane
nucleus
endoplasmic reticulum
ribosome
cell wall
cell membrane .
is the answer
What are the two parts of a lipid? Check the correct answers below.
Answer:
Fatty Acidscarboxyl groupExplanation:
Lipids are compounds with varying molecular structure, having several organic functions: energy reserve (energy source for hibernating animals), thermal insulation (mammals), and collaborate in the composition of the plasma membrane of cells (phospholipids).
Lipids are substances whose main characteristic is insolubility in polar solvents and solubility in organic (nonpolar) solvents, presenting hydrophobic nature, that is, aversion to the water molecule. This is due to the composition of the lipids, as they are formed by fatty acids and carboxyl group.
What is the difference between the plasma and gaseous states of matter? A) The gaseous and plasma states are electrically neutral. B) The gaseous state is electrically positive, while the plasma state is electrically negative. C) The gaseous state is electrically negative, while the plasma state is electrically negative. D) The gaseous state is electrically neutral, while the plasma state can be either electrically positive or negative.
The correct answer is D.What is the difference between the plasma and gaseous states of matter?
Hope that helped someone i found out the hard way :(
The "fight-or-flight" response is associated with the _____ division.