Answer:At medium temperatures, between 50 and 68 degrees Fahrenheit, or 10 and 20 degrees Celsius, the photosynthetic enzymes work at their optimum levels, so photosynthesis rates gauge high. Depending on the particular plant in question, set the greenhouse thermostat to a temperature within this range for best results.
Explanation:
Identify a 20
20-residue segment that could form a transmembrane α helix in this protein sequence (from the mosquito protein Orco).
FRYVNGPVLIRKLYSWWNLIMILLQYFAIM-
GNLVMNTGDVNELTANTITT
To identify a 20-residue segment that could form a transmembrane α helix in the mosquito protein Orco, you should look for a stretch of hydrophobic amino acids. In the provided protein sequence, a potential 20-residue segment is:
WWNLIMILLQYFAIMGNLVM
Transmembrane α helices are structural elements commonly found in membrane proteins. They play a crucial role in spanning the lipid bilayer of cell membranes. These helices are typically composed of hydrophobic amino acid residues that interact with the hydrophobic core of the lipid bilayer, while the hydrophilic residues face the aqueous environment inside or outside the cell.
In the given protein sequence "WWNLIMILLQYFAIMGNLVM," the segment "WWNLIMILLQYFAIMGNLVM" contains a majority of hydrophobic residues, such as tryptophan (W), isoleucine (I), leucine (L), and valine (V). These hydrophobic residues are known to be favorable for membrane insertion as they can interact with the hydrophobic environment of the lipid bilayer.
The presence of a continuous stretch of hydrophobic residues in the given segment suggests the possibility of it forming a transmembrane α helix. However, it is important to note that additional factors, such as the overall protein structure and the presence of specific transmembrane helix prediction algorithms, would be required to determine the presence and stability of a transmembrane α helix in a protein. Experimental validation and further analysis would be necessary to confirm the presence of transmembrane regions.
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PROTONS have a _________ charge.
Answer:
Positive
Explanation:
Hope this helps!
Please give brainily!
Answer:
Protons have a positive charge
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The variety of organisms within an ecosystem is characteristic of which type of diversity?
Genetic diversity
Ecosystem diversity
Species diversity
Regional diversity
Answer:
Genetic diversity
Explanation:
The answer is the first one hope this helps
After Intravenous administration, galactose may be effectively used to target: Select one: O a. The vasculature O b. The stomach Oc. The spleen O d. The kidneys The liver e. Translation is: Select one: O a. O b. The delivery of a nanomedicine O. C. The process used by the ribosome to effect cell division The flow of information from RNA to protein O d. O e. The flow of genetic information from DNA to RNA A precancerous state
The liver and The process used by the ribosome to effect cell division. Therefore, option (E) and (C) are correct.
The liver has specific receptors for galactose, such as the asialoglycoprotein receptor, which allows galactose-conjugated molecules to selectively bind and be taken up by hepatocytes in the liver.
Translation is the process used by the ribosome to convert the information stored in RNA into proteins. During translation, the ribosome reads the mRNA sequence and assembles amino acids into a polypeptide chain according to the genetic code, leading to protein synthesis.
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Why are there so many types of matter?
Answer:
If there was only one type of matter there would be only one type of object and nothing else.
Explanation:
Which adrenal cortical hormones stimulate somatic changes at puberty in both sexes?
The adrenal cortical hormones that stimulate somatic changes at puberty in both sexes are mainly androgens, such as testosterone. During puberty, the adrenal glands produce higher levels of androgens, which are responsible for the development of secondary sexual characteristics, including growth of facial and body hair, deepening of the voice, and increased muscle mass.
1. Puberty is a period of rapid growth and sexual maturation, characterized by various physical changes.
2. The adrenal glands, located on top of the kidneys, produce hormones that play a role in the development of secondary sexual characteristics.
3. Specifically, the adrenal cortical hormones, mainly androgens, stimulate somatic changes at puberty in both sexes. Androgens like testosterone are responsible for the development of masculine traits, such as increased body and facial hair, deeper voice, and increased muscle mass.
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when a vertebrate dies, its muscles stiffen as they are deprived of atp, a state called rigor mortis. based on your knowledge of the catalytic cycle of myosin in muscle contraction, why does rigor mortis occur following atp depletion after death in vertebrates?
Actin and myosin filaments must be detached from one another in order to function, therefore without ATP, the filaments become permanently complicated and rigor mortis sets in.
Why does rigor mortis occur following death? The body does not make ATP after death.The muscles of the body contract immediately after death in the same way they do when the individual is alive. Muscle cells lack oxygen and cannot efficiently use aerobic respiration to make ATP. Anaerobic respiration continues initially, but eventually the muscle cells run out of ATP and cannot pump calcium ions back out of the muscle cell or release myosin and actin filaments from their contracted condition.As a whole, actin and myosin bind together and prevent the muscle from relaxing.For more information on rigor mortis kindly visit to
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16. ___________________ and __________________ are fossil species with characteristics unique to fish as well as characteristics found in fish and tetrapods. Describe the characteristics of lobe-finned fish that are similar to those of tetrapods.
Answer: Acanthostega and Ichthyostega
Explanation:
The Acanthostega and Ichthyostega are the two different species of fossils that exhibit characteristics that can be found in fish and tetrapods.
The following are the characteristics or features of lobe finned fish that are similar to tetrapods are:
1. Lobe: The teeth are covered with tooth enamel.
2. Fins of lobe: Finned fish are flexible that support them for movement on land as well.
3. Presence of gills
4. All the body parts are connected with a single bone.
5. Pectoral and pelvic fins are used for articulation of the limbs.
7474474744747474747474747474747747777747444
Answer:
7474747474747474747474747474747474774774747474747474
Explanation:
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Interphase chromatin is best categorized as __________?
A. Concentrated
B. Euchromatin
C. Histone tails
D. Heterochromatin
B. Euchromatin. During interphase, chromatin is less condensed and more spread out, allowing for easier access to genes for transcription. This less-condensed form of chromatin is called euchromatin.
Euchromatin is a less-condensed and more spread-out form of chromatin that is present during the interphase of the cell cycle when the cell is not actively dividing. It is characterized by a relaxed and open structure, which allows for easier access to genes and facilitates transcription, the process by which genetic information is used to synthesize RNA molecules. Euchromatin contains actively transcribed genes and is associated with regions of the genome that are transcriptionally active, meaning they are actively involved in gene expression. The relaxed structure of euchromatin allows the transcriptional machinery, including RNA polymerase and other transcription factors, to readily access the genes and initiate transcription, contributing to the regulation of gene expression and cellular function.
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hydrogen, when combined with oxygen in a chemical reaction, forms water. this is an example of which type of chemical reaction?
hydrogen, when combined with oxygen in a chemical reaction, forms water is an example of synthesis chemical reaction
An example of a synthesis reaction is formation of water (H2O).
This reaction occurs when hydrogen gas (H2) reacts with the oxygen (O2) gas. The resulting product is the liquid water
Synthesis reactions are the chemical reactions in which two or more reactants (i.e. molecules) are combined to form single, larger product/molecule
(A + B ---> AB).
An example of synthesis reaction is combination of potassium (K) and chlorine (Cl) to form potassium chloride
(2K + Cl2 ---> 2KCl).
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most microbiology lessons require an average time of _____ to complete.
In general, the average time required to complete a microbiology lesson depends on the complexity of the topic, the teaching method, and the pace at which the student learns. However, it is common for a standard microbiology lesson to take around 60 to 90 minutes.
This time frame allows for a balance between the thorough explanation of concepts, practical demonstrations, and engaging in interactive discussions. Keep in mind that this is just an average estimate, and the actual time needed may vary for different individuals and educational settings.
The time required to complete a microbiology lesson can vary depending on the level of depth and complexity of the topic being covered. However, on average, a microbiology lesson may take anywhere from 1-2 hours to several days or even weeks to fully understand and master the concepts. It is important to note that the amount of time required also depends on the student's prior knowledge and familiarity with the subject matter.
For those new to microbiology, more time may be needed to fully comprehend the information, while those with a background in the field may be able to complete the lesson more quickly. Ultimately, the amount of time required to complete a microbiology lesson should be determined by the student's individual needs and pace of learning.
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a barr body is a highly condensed and inactivated x chromosome. how many barr bodies would you expect to find in a person with 3x chromosomes
In a person with 3 X chromosomes, you would expect to find 2 Barr bodies. A Barr body is a highly condensed and inactivated X chromosome.
In a normal female with XX chromosomes, there is one Barr body (one inactivated X chromosome). The number of Barr Bodies present in a cell is equal to the number of inactive X chromosomes present, which is equal to the number of X chromosomes present minus one. In an individual with 3 X chromosomes, one X chromosome will remain active, and the other two will be inactive. These inactive X chromosomes are considered as Barr body, hence 2 Barr Bodies are present.
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How could scientists use radioisotopes to study the function of the golgi apparatus?.
Answer:
Scientists use radioisotopes to study the function of the golgi apparatus Radiolabeled sugars could be tracked as they are covalently attached to proteins within the Golgi apparatus
Explanation:
The majority of eukaryotic cells include the Golgi apparatus, commonly referred to as the Golgi body, Golgi Organelle, or just the Golgi. It loads proteins inside membrane-bound organelles within the cells just before vesicles are delivered to their target. It is a component of an endomembrane system inside the cytoplasmic.
The Italian biologist Camillo Golgi discovered it in 1897, and his name was given to it in 1898. It processes the proteins produced inside the rough endoplasmic reticulum, delivers proteins to various cell locations, and transfers the Golgi enzymes that modify cargo proteins. The Golgi body looks like a stack containing membranes. However it is not present in prokaryotic cell.
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additionally, fingerprints are not altered as a person ages and are very difficult to alter or destroy. superficial
Fingerprints are unique patterns of ridges and valleys on the skin's surface, primarily found on the fingers and thumbs. These patterns are formed during fetal development and remain largely unchanged throughout a person's lifetime.
One important characteristic of fingerprints is their stability over time. As a person ages, their fingerprints do not significantly alter. This means that the pattern of ridges and valleys remains consistent, making fingerprints a reliable method of identification.
Furthermore, fingerprints are difficult to alter or destroy. The ridges and valleys are formed by the friction ridges on the skin's surface, which are more resistant to damage compared to the surrounding skin. Attempts to alter or remove fingerprints, such as through surgeries or burning, generally fail to erase the unique patterns.
The difficulty in altering or destroying fingerprints is due to their deep-rooted nature. The friction ridges extend beyond the outermost layer of skin and are connected to the underlying dermis, where they are anchored. This connection ensures that the pattern remains intact, even if the outer layers of skin are damaged.
In addition to their natural resilience, fingerprints also leave behind distinctive traces of sweat and oils. These substances adhere to the ridges and valleys, creating visible prints on surfaces when touched. This makes it possible to identify individuals based on the unique pattern and characteristics of their fingerprints.
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In zukai turtles, narrow nostrils (aa genotype) are recessive to round nostrils (A-genotype), and curly tail (bb genotype) is recessive to straight tail (B-genotype). A female with round nostrils and straight tail was crossed a male with narrow nostrils and curly tail. The progeny of this cross included:
25 round nostrils and curly tail
25 narrow nostrils and straight tail
25 round nostrils and straight tail
25 narrow nostrils and curly tail
The progeny from the cross between a female with circular nostrils and a straight tail and a male with limited nostrils and a wavy tail displayed a Mendelian inheritance pattern for the two characteristics, showing autonomous grouping and taking after Mendel's laws of segregation and independent assortment. Hence, all the options are correct.
Characteristics of the progeny from the crossThe given cross includes two characteristics in Zukai turtles: nostril shape (circular or contract) and tail shape (straight or wavy). In this case, circular nostrils (A-genotype) and straight tails (B-genotype) are prevailing over contract nostrils (aa genotype) and wavy tails (bb genotype), individually.
The female parent within the cross has the genotype AaBb (circular nostrils, straight tail), whereas the male parent has the genotype aabb (contract nostrils, wavy tail).
When these two people are crossed, the resulting progeny appear in a 1:1 proportion for each characteristic combination. The observed progeny checks of 25 people for each characteristic combination (circular nostrils and wavy tail, contract nostrils and straight tail, circular nostrils and straight tail, contract nostrils, and wavy tail) coordinate the anticipated Mendelian proportions.
This illustrates the free combination of the two characteristics and takes after the segregation and independent assortment. proposed by Gregor Mendel in his tests with pea plants.
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How is a climax community different than a primitive community? a. The types of organisms present in a climax community are more complex. B. Primitive communities tend to have less biodiversity than climax communities. C. Climax communities are more stable than primitive communities. D. All of the above Please select the best answer from the choices provided A B C D.
Answer:
C.Climax communities are more stable than primitive communities.
which statement correctly describes an activity involved in muscle contraction
An activity involved in muscle contraction is the shortening of the sarcomeres within muscle fibers, which is facilitated by the sliding of actin and myosin filaments.
This is known as the sliding filament theory of muscle contraction. In simpler terms, muscle contraction occurs when the thin filaments of actin slide over the thick filaments of myosin, causing the muscle to shorten and contract.In detail, muscles contract when a nerve impulse travels down the axon of a motor neuron and reaches the neuromuscular junction, where it triggers the release of acetylcholine.
The acetylcholine diffuses across the synapse and binds to receptors on the muscle cell membrane, initiating a muscle action potential that spreads across the sarcolemma and down the T-tubules of the muscle fibers. This causes the sarcoplasmic reticulum to release calcium ions, which bind to the troponin molecules on the actin filaments, causing them to change shape and move the tropomyosin away from the myosin binding sites on the actin.
This allows the myosin heads to bind to the actin, forming cross-bridges that pull the thin filaments inward toward the center of the sarcomere. The energy for this process comes from the hydrolysis of ATP, which is catalyzed by the myosin heads. As long as there is sufficient calcium and ATP present, the myosin heads will continue to cycle through this process, causing the sarcomeres to shorten and the muscle to contract.
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you see a bear in the woods and are immediately afraid. what area of the brain detected this fear?
When you see a bear in the woods and are immediately afraid, it is your amygdala that detects this fear. The amygdala is a small, almond-shaped structure located deep in the brain's temporal lobe.
It plays a crucial role in processing emotions, particularly fear and anxiety. As soon as you see the bear, the amygdala sends a signal to your hypothalamus, which triggers the release of adrenaline and other stress hormones. These hormones prepare your body for the "fight or flight" response, which allows you to respond to the danger quickly and effectively. The amygdala's ability to process fear quickly and efficiently is essential for our survival. Without it, we would not be able to react to threats in time to avoid harm. However, sometimes the amygdala can be overactive, leading to excessive fear and anxiety. This can be a symptom of anxiety disorders such as PTSD, phobias, and panic attacks. In conclusion, the amygdala is the area of the brain that detects fear when you see a bear in the woods, triggering the "fight or flight" response that prepares your body to respond to danger.
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Analyze
1. What are the biotic and abiotic factors the scientists monitor which influence this
bat population?
What is the job of proteins in the plasma membrane?
Answer:
distribution of drugs
Explanation:
Proteins in the cell membrane play a role in many other functions, such as cell signaling, cell recognition, and enzyme activity. Carbohydrates. Carbohydrates are also found in the plasma membrane; specifically, most carbohydrates in the membrane are part of glycoproteins, which are formed when a carbohydrate attaches to a protein.
Answer:
Transport nutrients
Explanation:
For example, plasma membrane proteins carry out functions as diverse as ferrying nutrients across the plasma membrane, receiving chemical signals from outside the cell, translating chemical signals into intracellular action, and sometimes anchoring the cell in a particular location
Where did clusters of galaxies form in the early universe?
Select one:
a.
Where there were black holes present
b.
Wherever; they formed in a completely randomized manner
c.
Where matter density was the highest
d.
Where temperature was the coolest
Answer:
C. where matter density was the highest.
what is the difference between genetic engineering and selective breeding
3.How are organisms grouped into producers, consumers, and decomposers?
Where do you fall
Answer:
Food webs are models to show how organisms are related in an ecosystem based on how they get their energy. The main roles are producers, consumers, and decomposers?
Explanation:
Producers
Producers make their own energy through photosynthesis. All most all plants, But not all, are Producers.
Consumers can be divided into
Primary > Primary consumers get energy by eating producers. They are usually small animals, insects and herbivores.Secondary > Secondary consumers get energy eating primary consumers. Secondary consumers are usually predators.Tertiary > Tertiary consumers get energy by eating secondary consumers. Owls and birds of prey, bears and large predator's, and carnivores are usually tertiary consumers. Humans are also among the tertiary consumers.And lastly Decomposers
Decomposers get by breaking down dead organisms and returning nutrients to the soil. Decomposers are usually fungi-like-mushrooms and bacteria
carolus linnaeus developed a system to organize all life on earth called(1 point) responses binomial nomenclature. binomial nomenclature. a phylogenetic tree. a phylogenetic tree. taxonomy. taxonomy. a dichotomous key.
Carolus linnaeus developed a system to organize all life on earth called binomial nomenclature.
"Binomial nomenclature is the natural procedure for naming the living beings where the name is made out of two terms, where, the initial term shows the family and the subsequent term demonstrates the types of the creature."
The arrangement of binomial nomenclature was presented by Carl Linnaeus. Various nearby names make it incredibly challenging to distinguish a life form universally and monitor the quantity of species. Hence, it makes a ton of disarray. To dispose of this disarray, a standard convention came up. As per it, every single life form would have one logical name which would be utilized by everybody to recognize an organic entity. This course of normalized naming is called as Binomial Classification.
All living species including plants, creatures, birds and furthermore a few organisms have their own logical names. For eg.,
The biological name of the tiger is introduced as Panthera tigris. 'Panthera' addresses the sort and 'Tigris' addresses a specific animal groups or explicit sobriquet.The biological name of human is introduced as Homo sapiens. 'Homo' addresses the variety and 'sapiens' addresses a specific animal types.The Indian bullfrog is deductively composed as Rana tigrina. 'Rana' is the name of the variety and 'tigrina' is the name of the particular species.To know more about binomial nomenclature,visit here:
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(Complete question) is:
carolus linnaeus developed a system to organize all life on earth called________.
Answer:
History of Classification Quick Check Answers
Explanation:
1: Binomial nomenclature
2: Domain
3: Both focus on illustrating taxonomic relationships between organisms.
4: Domain, kingdom, phylum only
5: Juglans nigra
New alleles can arise in both asexual and sexual reproduction.
Which of the following statements is TRUE based on the disadvantages of sexual and asexual reproduction.
A- Gametogenesis is the only source of genetic variation for sexual reproduction
B- This answer choice is wrong
C- Mutations are the only source of genetic variation for asexual reproduction
D- Meiosis is the only source of genetic variation for sexual reproduction
Answer:
C - Mutations are the only source of genetic variation for asexual reproduction
Mutations are the only source of genetic variation for asexual reproduction.
What is mutation?
A mutation is a change in the DNA sequence of an organism. Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection.
Germline mutations (that occur in eggs and sperm) can be passed on to offspring, while somatic mutations (that occur in body cells) are not passed on.
A mutation is never so advantageous in real life that it makes someone a superhero or does anything strange like give them wings. There are numerous explanations for why mutations typically don't have significant effects.
Therefore, Mutations are the only source of genetic variation for asexual reproduction.
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Which of the following are grouped together to form chromosomes?
A.Traits
B.Genes
C.Cells
D.All the above
Answer: D) ALL THE ABOVE
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If distance=rate x time, which of the following must also be true?
A- rate= distance x time
B- time= distance/rate
C- distance= rate/time
D- time= rate/distance
If distance = rate x time
then,
Time = Distance/Rate
Hence, Option B is correct.
Time is directly proportional to distance.
What is meant by Rate?The ratio of two related numbers expressed in several units is known as a rate in mathematics. If one of these numbers is used as the ratio's denominator and it is assumed that this quantity may be modified in a predictable way (i.e., is an independent variable), then the numerator of the ratio represents the rate of change in the other (dependent) variable.Speed, heart rate, and flux are examples of common rates that are expressed as "per unit of time." Exchange rates, literacy rates, and electric field are a few ratios that don't need time as the denominator (in volts per meter).A rate that is defined using two numbers of the same units will provide a dimensionless quantity that can be stated as a percentage, fraction, or multiple. Examples of these rates include tax rates and literacy rates.To learn more about Rate, refer to:
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Are there any policies that you think would be effective in addressing climate change?.
Yes, there are several policies that could be effective in addressing climate change. One such policy is a carbon tax, which would put a price on the carbon emissions that contribute to climate change.
This would incentivize individuals and businesses to reduce their carbon footprint and invest in renewable energy sources. Another policy is the promotion of energy efficiency measures, such as incentivizing homeowners to upgrade to energy-efficient appliances or buildings to incorporate green infrastructure like solar panels. Additionally, policies that encourage the development of clean energy technologies and reduce reliance on fossil fuels would be beneficial in addressing climate change. However, implementing these policies requires political will and a commitment to making the necessary changes to reduce our carbon footprint and mitigate the effects of climate change. Ultimately, it will take a combination of policies and individual action to address the urgent issue of climate change.
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Which statement about the distance between the stars and the Earth is true?
A Compared to the sun, most stars are about half as far away from Earth.
B Although all stars other than the sun are far away from Earth, some are closer than others.
C Some stars are far away from Earth, while others are as close as the clouds.
D Compared to the sun, most stars are about twice as far away from Earth.
B) Although all stars other than the sun are far away from Earth, some are closer than others.
Are stars actually closer to the Earth?
This statement is true. The distance between the stars and the Earth varies greatly depending on the location and movement of the stars. Although all stars are incredibly far away from Earth, some are relatively closer than others. For example, the nearest star to Earth, Proxima Centauri, is approximately 4.24 light-years away, while the farthest known star is more than 13 billion light-years away.
Most stars in our galaxy are tens of thousands of light-years away from Earth, and some are even hundreds of thousands of light-years away.
Therefore, the distance between the stars and the Earth can vary significantly, and no one statement can apply to all stars.
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Answer:
B) Although all stars other than the sun are far away from Earth, some are closer than others.
-I hope I was helpful even though I'm not as detailed as the other person-