Answers
Answer:
Chitin
Explanation:
Related Questions
Describe the process of photosynthesis, in your own words.
Answers
Answer:
Photosynthesis is process by which green plants manufacture their food by making use of carbon dioxide and water in the presence of sunlight
Most animal cell membranes have proteins that pump ______ ions out of the cell and potassium ions into the cell.
Responses
A carboncarbon
B calciumcalcium
C sodiumsodium
D magnesium
Answers
The answer is C. Sodium.
C. What is the special requirement of planting paddy saplings for transplantation?
Answers
Answer:
Raise seedlings in special mat nurseries or in seedling trays.
5 functions of mesophyte
Answers
Answer: Find your 5
Explanation:
Mesophytes generally require a more or less continuous water supply. They usually have larger, thinner leaves compared to xerophytes, sometimes with a greater number of stomata on the undersides of leaves. Because of their lack of particular xeromorphic adaptations, when they are exposed to extreme conditions they lose water rapidly, and are not tolerant of drought. Mesophytes are intermediate in water use and needs. These plants are found in average conditions of temperature and moisture and grow in soil that has no water logging. The roots of mesophytes are well developed, branched and provided with a root cap. The shoot system is well organised. The stem is generally aerial, branched, straight, thick and hard. Leaves are thin, broad in middle, dark green and of variable shape and measurement.[citation needed]For example, in hot weather they may overheat and suffer from temperature stress. They have no specific adaptations to overcome this, but, if there is enough water in the soil to allow this, they can increase their rate of transpiration by opening their stomata, thus meaning some heat is removed by the evaporating water. However these plants can only tolerate saturated soil for a certain amount of time without a warm temperature. In dry weather they may suffer from water stress (losing more water via transpiration than can be gained from the soil). Again they have no specific adaptations to overcome this, and can only respond by closing their stomata to prevent further transpiration. This does actually have some benefits as it reduces the surface area of the leaves exposed to the atmosphere, which reduces transpiration. Prolonged periods of dehydration, however, can lead to permanent wilting, cell plasmolysis, and subsequent death. Since mesophytes prefer moist, well drained soils, most crops are mesophytes. Some examples are corn (maize), cucurbits, privet, lilac, goldenrod, clover, and oxeye daisy
What is Hans Selye's general adaptation syndrome?
Answers
Answer:
A description of the process of how your body responds to stress.
Explanation:
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Directions: Consider a pedigree that is tracking an autosomal recessive trait, where two recessive alleles (tt) result in the inability to taste a chemical known as PTC. The ability to taste PTC is determined by the presence of a dominant allele (T). Complete the missing boxes in the chart. The first row has been done for you as an example!
*Note: The ability to taste PTC may be more complex than a simple gene trait.
Answers
Answer:
I think this should be the chart you were interested in...
Explanation:
Individual Shape in shaded
phenotype pedigrees
Male with gen. TT PTC taster square No
Male with gen. Tt PTC taster square No
Male with gen. tt Non-taster square Yes
Female with gen. TT PTC taster Circle No
Female with gen. Tt PTC taster Circle No
Female with gen. tt Non-taster Circle Yes
*gen- genotype
Another major contribution to atmospheric carbon dioxide is the cement industry.
Using the Gizmo, find a carbon atom path from the atmosphere to the cement plant. (Hint:
One of the ingredients in cement is limestone.)show the path
Path:
Answers
Here is a carbon atom path from the atmosphere to the cement plant:
Atmospheric CO₂ → Ocean → Marine animals → Shells → Sediment → Limestone → Cement plant
What is the purpose of atmospheric carbon dioxide?The cement industry is a major contributor to atmospheric carbon dioxide because it requires a lot of energy to heat limestone to the high temperatures needed to make cement. This process releases carbon dioxide into the atmosphere.
There are ways to reduce the amount of carbon dioxide released by the cement industry. One way is to use alternative fuels, such as biomass, to heat limestone. Another way is to capture and store the carbon dioxide that is released.
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where is the mitochondria located
A. in the ectoplasm
B. in the nucleus
C. outside the cell
Answers
B. in the nucleus. Mitochondria are cell organelles that convert food energy into a form that cells can use. Hundreds to thousands of mitochondria can be found in the fluid surrounding the nucleus of each cell.
Are mitochondria found within or without the cell?Almost all eukaryotic cells contain a membrane-bound organelle called a mitochondrion, whose primary function is to generate massive amounts of energy in the form of adenosine triphosphate (ATP).
Does DNA exist in mitochondria?The mitochondrial DNA circular chromosome is found inside the cellular organelles known as mitochondria. The mitochondria, found in the cytoplasm, are where the cell generates energy and performs other metabolic functions. Mothers pass on mitochondrial DNA to their children.
Why do mitochondria have the name "storehouse"?Because mitochondria contain ATP, the cell's primary source of energy, they are referred to as the "powerhouse" of the cell.
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Which statement best explains why multicellular organisms have specialized cells?
O They must undergo cellular respiration to get energy needed to move and grow.
O They must replace dead cells with new ones.
O They must undergo photosynthesis to obtain energy needed for cellular respiration.
O They are made of cells that form tissues and organs that perform specialized functions.
Answers
Answer:
I think your answer would be D.
Explanation:
The tissues are not specialized. The organelles do not cooperate in order to perform the functions of living things. The majority of its cells do not come into contact with the outside world.
Multicellular organisms means the the organisms composed of more than one cells. These cells will differentiate to perform specialized functions.
Why multicellular organisms have specialized cells?According to level of organization, cell combine to form tissue, tissue group together to form organs, organs combine to form organ system and organ system work in coordination to form organism.
In multicellular organisms, each group of cells perform specialized functions.
Thus, option D is correct, i.e., they are made of cells that form tissues and organs that perform specialized function.
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1) What "mystery species" does our sequence come from? Use the NCBI Nucleotide blast from the website https://blast.ncbi.nIm.nih.gov/Blast.cgi to identify the bacterial species this gene belongs to. Copy ONLY the sequence into the blast, do not include the 5′ - or −3′, and leave the spaces between every 10 nucleotides. ( 1pt ) Organism's scientific name: ______ 2) Here is one set of primers used to amplify a segment of this gene. Where does each primer anneal (bind)? Highlight, underline or put a box around the annealing sites for the FORWARD and REVERSE primers on the sequence above ( 1.5pts/0.75ea) (REMEMBER! Reverse primer sequences bind to the coding strand.) *HINT* One primer will be found within each bolded region. Forward primer sequence: 5'- TCAGGATGTCGCTCCACAAA -3' Reverse primer sequence: 5'- CCAACTGGTAATGGTAGCGA -3'
Answers
Use the NCBI Nucleotide blast from the website https://blast.ncbi.nIm.nih.gov/Blast.cgi to identify the bacterial species this gene belongs to. Copy ONLY the sequence into the blast, do not include the 5′ - or −3′, and leave the spaces between every 10 nucleotides.
Here is one set of primers used to amplify a segment of this gene. Highlight, underline or put a box around the annealing sites for the FORWARD and REVERSE primers on the sequence above ( 1.5pts/0.75ea) (REMEMBER! Reverse primer sequences bind to the coding strand.)
One primer will be found within each bolded region.Forward primer sequence: 5'- TCAGGATGTCGCTCCACAAA -3'Reverse primer sequence: 5'- CCAACTGGTAATGGTAGCGA -3'Forward primer annealing site (5'-3'): ATGTCGCTCCA Reverse primer annealing site (5'-3'): TACCTACCATTC
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When a skydiver jumps out of an airplane, there are two forces acting on
her: gravity and air resistance. After falling for a few seconds the forces
due to gravity and air resistance balance each other. Once the two forces
are balanced, what type of motion will the skydiver have?
Answers
Answer:
The skydiver will stop accelerating, and will travel at a constant speed in one constant direction.
How much energy does a 35-pound toddler need to consume per day? 29 Multiple Choice 1050 kcal/day 2012 kcal/day 1335 call day O 2035 kcaldy
Answers
The average calorie requirements for a 35-pound toddler are estimated to be around 1,035 kcal/day for a sedentary lifestyle and 2,012 kcal/day for a more active lifestyle.
Here, correct option is B.
However, it is important to note that these numbers are just estimates and should be adjusted accordingly if the toddler is engaging in more strenuous activities or if their height and age are different than the average. A registered dietitian can help to determine the exact amount of energy a toddler needs to consume per day.
Additionally, it is important to ensure that the toddler is receiving adequate nutrition so that they can grow and develop normally. Eating a balanced diet with plenty of fruits, vegetables, lean proteins, and whole grains can help to ensure that the toddler is receiving all of the necessary nutrients in the right amounts.
Therefore, correct option is B.
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in addition to dr. casadaban having a genetic condition like hemochromatosis, what other factors could have exacerbated the situation and allowed the iron dependent strain of the plague to cause infection and, in this case, death? multiple choice
Answers
It's possible that he was taking excessive amounts of iron-rich vitamins. The results of the autopsy indicated that Dr. Casadaban unwittingly had hereditary hemochromatosis, a genetic condition that results in a buildup.
Nonpigmented Yersinia pestis strains are ineffective at removing host iron and have been included in vaccines to treat plague. Type I hemochromatosis is linked to altered responses to infection, just like other iron metabolism disorders.It is important to examine several possible causes of hemochromatosis, such as genetic abnormalities, dietary factors, primary liver diseases, and insulin resistance. Our microbiological products are used to detect and stop disease all around the world.
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In addition to dr. casadaban having a genetic condition like hemochromatosis, what other factors could have exacerbated the situation and allowed the iron dependent strain of the plague to cause infection and, in this case, death?
1. Bacteria. Two bacteria were placed in a dish. The number of bacteria quadruples every hour. There are now 131,072 bacteria in the dish. How many hours have passed since the original two bacteria we
Answers
To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.
Starting with two bacteria, we can observe the progression:
Hour 1: 2 bacteria
Hour 2: 2 x 4 = 8 bacteria
Hour 3: 8 x 4 = 32 bacteria
Hour 4: 32 x 4 = 128 bacteria
Hour 5: 128 x 4 = 512 bacteria
Hour 6: 512 x 4 = 2048 bacteria
Hour 7: 2048 x 4 = 8192 bacteria
Hour 8: 8192 x 4 = 32768 bacteria
Hour 9: 32768 x 4 = 131072 bacteria
Therefore, it took 9 hours for the number of bacteria to reach 131,072.
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Which example is a specific question that could be used to start a scientific investigation?
A. Do long droughts increase the likelihood of forest fires
B. Should there be more services to prevent forest fires
C. Are forest fires as frightening as mudslides
D. What is the most devastating effect of a forest fire
Answers
Answer:
A specific question that could be used to start a scientific investigation is A. Do long droughts increase the likelihood of forest fires. This question can be tested and answered through scientific methods and data collection.
The form DNA must be in to be used.
Answers
Answer:
DNA must be unwinded so it can be used for replication or to create RNA.
Explanation:
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During cell growth, the volume of the cell increases at a faster rate than the surface area.
A
True
B
False
Answers
Answer:
True!
Explanation:
Hope this helps!
Answer:
True
Explanation:
Dna replication is ____________________ meaning each of the two original dna strands serve as templates for building the two new strands.
Answers
Dna replication is semi-conservative meaning each of the two original dna strands serve as templates for building the two new strands.
What is the process of DNA replication?The process by which a double-stranded DNA molecule is replicated to generate two identical DNA molecules is known as DNA replication. Because when a cell divides, the two new daughter cells must have the same genetic material, or DNA, as the parent cell.
The process of creating two identical daughter strands of DNA is known as DNA replication. DNA replication occurs in eukaryotic cells' nuclei and in prokaryotic cells' nucleoid region. Prior to cell division, DNA replication occurs during the S phase of the cell cycle.
DNA replication involves a certain sequence of processes. Each event is facilitated by a different enzyme.
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which celestial object is the smallest
Answers
In 2009, the Hubble Space Telescope discovered the smallest object ever seen in visible light at the time within the Kuiper Belt. The Kuiper Belt Object (KBO) found was a mere 3,200 feet (975 meters) across and was 4.2 billion miles away.
The inner and outer surfaces of a cell membrane carry a negative and a positive charge, respectively. Because of these charges, a potential difference of about 0.070 V exists across the membrane. The thickness of the cell membrane is 8.0×10
−9
m. What is the magnitude of the electric field in the membrane?
Answers
The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
The given values are:
Thickness of the cell membrane = d = 8.0 x 10⁻⁹ m
Potential difference across the membrane = V = 0.070 V
The electric field E is given by the formula: E = V/d
The magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
A cell membrane is made up of two layers of lipid molecules, which are arranged in a specific way that separates the inside and outside of the cell. The inner and outer surfaces of a cell membrane carry a negative and a positive charge, respectively. Because of these charges, a potential difference of about 0.070 V exists across the membrane.
The thickness of the cell membrane is 8.0×10⁻⁹ m. To determine the magnitude of the electric field in the membrane, we use the formula:
E = V/d
where E is the electric field, V is the potential difference, and d is the thickness of the membrane.
Substituting the given values, we get:
E = 0.070 V / 8.0×10⁻¹⁹ m E = 8.75 x 10⁶ V/m
Therefore, the magnitude of the electric field in the membrane is 8.75 x 10⁶ V/m.
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a glucose molecule is completely broken down to carbon dioxide and water in glycolysis and the citric acid cycle, but together these two processes yield only a few molecules of atp. what happened to most of the energy that the cell obtains from the oxidation of glucose? view available hint(s)for part a a glucose molecule is completely broken down to carbon dioxide and water in glycolysis and the citric acid cycle, but together these two processes yield only a few molecules of atp. what happened to most of the energy that the cell obtains from the oxidation of glucose? it was lost as heat. it is stored in the atp that was formed by glycolysis and the citric acid cycle. it is stored in the carbon dioxide and water molecules released by these processes. it is stored in pyruvate. it is stored in nadh and fadh2
Answers
It is stored in NADH and \(FADH_{2}\).
The molecules NADH and \(FADH_{2}\) serve as temporary storage for the electrons generated during the oxidation of glucose. The electron transport chain and chemiosmotic production of ATP are powered by the energy released during the oxidation of NADH and \(FADH_{2}\).
What is the electron transport chain?The mitochondrial cristae, which house several cytochromes and coenzymes, houses the electron transport system.These coenzymes and cytochromes move particles by acting as transporter atoms.When high-energy electrons are accepted, they transfer to the following atom in the system.At crucial proton-pumping locations, the energy of electrons pumps protons over the layer and into the outer membrane of the mitochondrion.The exchange of six protons into the outer compartment of the mitochondrion is represented by each extraordinarily energetic NADH particle.An exchange of four protons takes place in each \(FADH_{2}\) atom.The electron flow follows a pattern comparable to photosynthesis. After passing through NAD, FAD, and a number of cytochromes and coenzymes, electrons finally lose them.An oxygen molecule serves as the last electron acceptor during cellular respiration. The energy-depleted electrons interact with an oxygen molecule. After that, two hydrogen particles (protons) are created by the electron-oxygen process to create a water particle (\(H_{2} O\)).To learn more about the electron transport chain, refer to https://brainly.com/question/876880
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what is phenotype, homozygous, and heterozygous in a kids definition?
Answers
Genetics is a field of study in Biology that explores how traits are inherited and expressed in living organisms, including humans, animals, and plants. Knowing key terminology can help us deepen our understanding of the topic.
Phenotype: Refers to the observable or physical traits of an organism. For example, if we are looking at a human who is tall and has black hair, we can say that the phenotype for that human is tall for the height gene and black for hair color.
Homozygous: When an individual has two identical copies of a gene for a particular trait. If homozygous, the genes inherited from the mother and father are exactly the same. For example, if T = tall and t= short, a homozygous individual would be either TT or tt for their height gene.
Heterozygous: When an individual has two different copies of a gene for a particular trait. If heterozygous, the genes inherited from the mother and father will be different. For example, if B = blue hair and b = brown hair, a heterozygous individual would have Bb for their hair color gene.
why must scientific names be of latin original or latinised?
Answers
Answer:
This is because Latin language is dead and, therefore, it will not change in form or spelling with the passage of time.
Explanation:
which part of the wheat plant is ground to make flour
Answers
:endosperm
According to 4 sources
What part of the wheat plant is ground to make flour? The larger part is called the endosperm. This is the starchy store of food which the germ feeds on while it grows. The endosperm is the white flour we use to make many products.
Explanation:
a ____ fracture occurs when a weakened bone breaks under normal strain.
Answers
A "pathological" fractur occurs when a weakened bone breaks under normal strain.
A pathological fracture occurs when a bone breaks under normal strain or with minimal force due to pre-existing weakness or disease within the bone. Unlike traumatic fractures that occur due to an injury or excessive force, pathological fractures are the result of an underlying condition that compromises the structural integrity of the bone.
These conditions may include osteoporosis, bone tumors, infections, or other bone diseases. The weakened bone is more susceptible to fractures, even with routine activities or minimal trauma, leading to a pathological fracture.
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For Anatomy and Physiology
science uses data to describe the findings of an experiment. qualitative data is:
° set of knowledge explanations for certain phenomena
° set of data describing the findings of an experiment
° set of data using the numbers or measurements to represent the findings of an experiment
° experimental sample absent of the factor in question
Answers
Science uses data to describe the findings of an experiment, qualitative data is: set of data describing the findings of an experiment.
Qualitative data is data that describes, analyzes, decodes, translates, and synthesizes the results of events that occur more or less naturally.
It tries to achieve a holistic description, that is, it tries to exhaustively analyze, in great detail, the findings of an experiment.
It contains the narrative records of the findings of an experiment studied through techniques such as participant observation and unstructured interviews.
That is, the analysis of qualitative data is mainly one of synthesis and integration of the information obtained from various instruments and means of observation.
That is,a coherent descriptive analysis that aims to achieve a thorough and detailed interpretation of the research problem will predominate.
Therefore, we can conclude that qualitative data is the set of data describing the findings of an experiment.
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Identify each of the following as an example of a scientific theory, a model, or a hypothesis. - In order to determine how muscles work, a biophysicist imagines that certain muscle proteins are tiny springs and measures how "stretchy" they are. This is a - A medical doctor sees some improvements in cancer patients when they are given a new drug, so the doctor thinks that the new drug may be helpful to treat cancer. This is a - Einstein developed a series of ideas and equations to explain gravity as a curvature in space and time; numerous experiments and observations have given results consistent with his ideas and equations. This is a - The flow of blood through a blood vessel is treated as the flow of a liquid through a long, straight pipe. This is a Why is it important for biologists and people in biology-related fields to learn physics? Select all that are correct. To learn how to solve complex problems To learn how to communicate scientific ideas To learn how to apply fundamental principles with logic and reasoning To learn how to plug numbers into equations and calculate answers To learn how to use math in science and make estimates To learn how to interpret and apply different representations of information To learn how to interpret quantitative measurements
Answers
- In order to determine how muscles work, a biophysicist imagines that certain muscle proteins are tiny springs and measures how "stretchy" they are. This is a model.
- A medical doctor sees some improvements in cancer patients when they are given a new drug, so the doctor thinks that the new drug may be helpful to treat cancer. This is a hypothesis.
- Einstein developed a series of ideas and equations to explain gravity as a curvature in space and time; numerous experiments and observations have given results consistent with his ideas and equations. This is a scientific theory.
- The flow of blood through a blood vessel is treated as the flow of a liquid through a long, straight pipe. This is a model.
It is important for biologists and people in biology-related fields to learn physics because:
- To learn how to solve complex problems
- To learn how to communicate scientific ideas
- To learn how to apply fundamental principles with logic and reasoning
- To learn how to interpret and apply different representations of information
- To learn how to interpret quantitative measurements
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Identify the following situations as a hypothesis, a theory, or a model.
i. In order to determine how muscles work, a biophysicist imagines that certain muscle proteins are tiny springs and measures how "stretchy" they are.
ii. Einstein developed a series of ideas and equations to explain gravity as a curvature in space and time; numerous experiments and observations have given results consistent with his ideas and equations.
iii. A medical doctor sees some improvements in cancer patients when they are given a new drug, so the doctor thinks that the new drug may be helpful to treat cancer.
A) i. - hypothesis; ii. - theory; iii. - model
B) i. - model; ii. - theory; iii. - hypothesis
C) i. - theory; ii. - hypothesis; iii. - model
D) i. - model; ii. - hypothesis; iii. - theory
E) i. - theory; ii. - model; iii. - hypothesis
The circulatory system works with the ___ system to get nutrients to all body cells.
A- endocrine
B- digestive
C- muscular
D- skeletal
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Answers
Answer:
The circulatory system works with the digestive system to get nutrients to all the body cells
Explanation:
The digestive system gets the nutrients from the food we eat and hands it over to the the blood. The circulatory system then carries those nutrients to the cells of the body.
The fact that choanoflagellates and collar cells of sponges resemble each other supports the inference that ________.
Answers
The fact that choanoflagellates and collar cells of sponges resemble each other support the inference that chonoflagellates and sponges are sister groups.
The assumption that chonoflagellates and sponges are sister groups is supported by the similarity between choanoflagellates and the collar cells of sponges. Any of the two descendent species emerged from the split of a single species during evolution.
Since they both share an ancestor species (or group) that no other species shares, the sister species (or sister group) is the one that is most closely related to any given species (or group) (or group).
One-celled aquatic flagellates called chonoflagellates have a single flagellum that is encircled by a collar of microvilli. In addition, the striking similarities between choanoflagellates and the collared cells of sponges have long fascinated evolutionary biologists.
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When a population of monkeys migrates to a new habitat across a river and encounters another population of the same species, what evolutionary effect may occur as a result?
Answers
Gene flow is an evolutionary effect which may occur when a population of monkeys migrates to a new habitat across a river and encounters another population of the same species.
Gene flow, also known as gene migration, describes a situation where genetic material is transferred from one population of a species to another population as a result of the movement of a small number of individuals or a population.
The transfer of genetic material from one group to another is referred to as gene flow.
Through migration, gene flow can occur between two populations of the same species and is mediated via vertical gene transmission from parent to offspring and reproduction.
Gene flow is brought about by the movement of gametes and the emigration of individuals from one group to another.
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