Answer:
A catalyst accelerates a chemical reaction in a cell.
What changes would you recommend to permit expression of this eukaryotic gene in a bacterial cell?
Gene Expression is the progression wherein the information from a gene is used in the combination of a functional gene product. In eukaryotic cells, genes are delimited by repressors as well as by transcriptional activators. The repressors will muddle to the specific DNA sequences and will constrain transcription.
15 POINTS!
Study the diagram, which represents the general equation for photosynthesis. What do the letters Y and Z represent?
Y - glucose
Z - oxygen
Y - glucose
Z - carbon dioxide
Y - carbon dioxide
Z - hydrogen
Y - carbon dioxide
Z - oxygen
Answer:
The correct answer is Y - glucose, Z - oxygen
Explanation:
In photosynthesis, plants- and also other organisms- take carbon dioxyde (CO₂), water (H₂O) and light (which is absorbed by chlorophyll pigments, those give plants their green color), and they convert inorganic materia in organic materia (chemical energy) in form of sugar. The overall process is described by the following global equation:
6 CO₂ + 6 H₂O → C₆H₁₂O₆ + 6 O₂
carbon dioxide + water → glucose + oxygen
In the diagram, the equation is:
carbon dioxide + water + sunlight → glucose + oxygen
Answer:
The correct answer is A.
Explanation:
Y represents Glucose, a product of cellular respiration. Z represents Oxygen, which is also a product of cellular respiration.
(CO2 + Water + Sunlight = Glucose and Oxygen)
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A nurse is evaluating the client's understanding of post cataract surgery instructions. the client needs further education when they state."i will report any yellow drainage to my provider"."i can return to my normal activities like cleaning my house and vacuuming.""i will report any nausea or vomiting"."my vision will improve over the next 4 to 6 weeks".
A nurse is evaluating the client's understanding of post cataract surgery instructions. The client needs further education when they state: I can return to my normal activities like cleaning my house and vacuuming.
Further Explanation:
The lens is that part of the eye which allows it to focus light or an image on the retina which is present at the back of the eye and is involved in converting light signal into nerve signal. Lens mainly consist of water and protein.
The cataract is the condition when there occurs clouding of the lens in the eyes which eventually affects the vision. This can affect either or both the eyes but cannot build out from one eye to another.
In normal vision, the proteins in the lens are present in a precise way which maintains the lens clear and allows the passage of light but with ageing, the protein may assemble together and start gathering to a small part of the lens which results in cataract.
Cataract surgery may increase the risk of retinal detachment.
There can be post-surgery effect of cataract treatment which may include itching, some fluid discharge, infection and mild discomfort.
Doctors may suggest the patients undergone cataract surgery to use some eye drops, wear an eye shield or eyeglasses and avoid bending from the waist and do the heavy household chores
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Answer Details:
Grade: College Biology
Subject: Biology
Chapter: The sensory organs.
Keywords:
Eye, lens, light, retina, cataract, nerve signal, proteins, itching, retinal detachment, fluid discharge, surgery, eye drops, eye glasses.
The membrane potential exists mainly due to ________ channels.
Analyze this case in which the patient record states:40 year old male patient (new) is evaluated for contusion of a finger. the history and examination were problem focused.
Finger contusion can be characterized by bruising of finger, where there is swelling and bleeding under the skin but no broken bones.
1. Diagnosis and Management:- Contusion of finger is diagnosed by the symptoms such as pain, swelling, discoloration, tenderness and difficulty in movement. Sometimes numbness is associated as swelling compresses the nerves in that region.X-ray (If required CT scan0 can be done to confirm the diagnosis and rule out fractures and other serious forms of injuries.
Depending upon the severity, treatment is decided. The contusion is managed with an aim to reduce pain, swelling and restore the movement. The options so as to treat the contusion, based on its severity are as follows
a. Applying Icepacks and keeping the finger propped up above the heart level.
b. Splinting and taping
c. Physiotherapy
d. Ultrasound therapy
e. Surgical treatment is required in case of torn ligaments.
These options of treatment are accompanied with over the counter pain killers and anti inflammatory drugs
Which of the following is most dense? asthenosphere, continental, crust , core , mantle, or oceanic crust
The core is the most dense layer of the Earth, with a density between about 9.9 to 12.2 g/cm3, which is higher than the mantle, asthenosphere, and both the oceanic and continental crusts. Hence, option 4 is correct.
Among the options listed — asthenosphere, continental crust, core, mantle, and oceanic crust — the core of the Earth is the most dense. Specifically, the Earth's core is divided into the solid inner core and the liquid outer core with densities ranging from about 9.9 to 12.2 g/cm3 for the inner core and 9.9 to 12.2 g/cm3 for the outer core. In comparison, the mantle has a density of approximately 4.5 g/cm3, and even though the oceanic crust is denser than the continental crust, with a density of about 3.0-3.1 g/cm3 versus 2.7-2.8 g/cm3 for the continental crust, it is still less dense than the core. The asthenosphere, which is a part of the upper mantle, has a lower density than the mantle as a whole due to its semi-fluid nature and thus is also less dense than the core.
What precautions should be taken when constructing masonry walls in minneapolis in the winter?
Following precautions should be taken when constructing;
1) Contractors should know about the temperature on the work site.
2) The unsatisfactory decision of safety measure strategy will crumple the particular undertaking quality.
3) There should be the availability of LP gas heaters and blowers.
4) Temporary workers can likewise pick poly fenced in area installed with platform frameworks firmly.
5) Warmth conveying punctured texture tube running under platform will be utilized.
6) There should be the utilization of dry mortar rather than wet mortar in winter season.
7) Quick setting mortar or cement Mortar setting admixtures can be utilized.
8) Wind should be above 25mph in wind barriers and the temperature that is required is below 25 degree.
The fat located under the skin is called ________ fat.
Answer:
subcutaneou
Explanation:
subcutaneou
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You sell sunglasses that come in small and large boxes. the small box has one layer of sunglasses. the large box has five layers, each of which has two fewer pairs of sunglasses than a layer in the small box.
Trace the flow of energy by numbering the following events from start to finish. 1. Step 1 The Sun emits energy. 2. Step 2 A rabbit eats the plants and uses the energy for growth and respiration. 3. Step 3 Plants absorb energy from the Sun and use it for photosynthesis. 4. Step 4 A fox eats the rabbit and uses the energy for growth and respiration. 5. Step 5 The fox dies and is decomposed.
In an ecosystem, the energy flows from the producer to consumer levels. The plants utilise the energy from the sun and convert it into chemical energy. The chemical energy is stored as a form of energy molecules in the plants. The primary consumers eat the plants and get the chemical energy. The tertiary consumers eat the primary consumers and obtain energy from them. The dead organism is decomposed and the organic nutrients are restored in the soil.
Hence, the correct sequence would be:
1. The Sun emits energy.
2. Plants absorb energy from the Sun and use it for photosynthesis.
3. A rabbit eats the plants and uses the energy for growth and respiration.
4. A fox eats the rabbit and uses the energy for growth and respiration.
5. The fox dies and is decomposed.
A person who is highly tolerant to _____ creates problems for anesthesiologists in surgery.
How are spores produced sexually differ from spores produced asexually?
Sexually produced spores in fungi are the result of genetic recombination between two different mating types, resulting in ascospores with diverse genetic material. Asexually produced spores, such as conidiospores, are genetically identical to the parent and form without the fusion of gametes.
Spores produced sexually and asexually in fungi have different origins and genetic compositions. Asexual reproduction frequently involves the production of conidiophores that release haploid conidiospores. These spores are genetically identical to the parent and are produced without the fusion of gametes.
In contrast, sexual reproduction involves the union of specialized hyphae from two mating types. The "male" strain produces an antheridium while the "female" strain develops an ascogonium. Fertilization occurs through plasmogamy, followed by karyogamy within the ascus, leading to the formation of ascospores. These spores contain genetic material from both parent strains and are produced following meiosis, which means they have a recombined genetic makeup. This difference in genetic composition between asexual and sexual spores can result in a greater genetic diversity in the latter, which can be beneficial for survival through unfavorable conditions.
Given a template strand of 3'-atgcttggaca-5' and a partially-made complementary strand containing only 5'-tac-3', what would be the sequence of the new strand of dna (including the 5'-tac-3') if the only additional nucleotides available to dna polymerase were those containing the bases g, a, and c?
Which of these choices is a benefit of using only nonpolluting sources of electricity?
A. Higher electricity prices
B. Healthier ecosystems
C. Loss of jobs
D. More-expensive clean technologies
Answer:
healthier ecosystems
Explanation:
ape.x
How can surveying reading material improve your comprehension?
The activity of which enzyme decreases in both acidic and basic environments?
(1) chymotrypsin (3) cholinesterase
(2) pepsin (4) papain
The creation of offspring carrying genetic information from a single parent is called
Which organelle is made of a phospholipid bilayer? A. cell wall B. cytoplasm C. ribosome D. cell membrane
The power was off last night, and the yeast cultures in your incubator cooled down from 25 degrees to 20 degrees centigrade in temperature. to your great relief, you find that the yeast cells did not die. however, when you analyze the composition of the lipids in the plasma membrane of your yeast cells, you discover
Anton thinks that glucose is a reactant of photosynthesis, but his classmate Jamila disagrees. Who is correct, and why?
Anton is correct because glucose is a substance that is present before the chemical reaction of photosynthesis takes place.
Anton is correct because glucose is a substance that is formed from the chemical reaction of photosynthesis.
Jamila is correct because glucose is a product, not a reactant, of photosynthesis.
Jamila is correct because glucose is not involved in the chemical reaction of photosynthesis.
Answer: Jamila is correct because glucose is a product, not a reactant, of photosynthesis.
Photosynthesis is a chemical reaction that occurs in plants which produce their food in the form of glucose by trapping the light energy from sun and using reactants such as carbon dioxide from the atmosphere and water. This process occurs in the leaf cells of the plants.
On the basis of the above information, this can be concluded that Jamila is correct because glucose is a product, not a reactant, of photosynthesis.
Answer:
Answer: Jamila is correct because glucose is a product, not a reactant, of photosynthesis.
Explanation:
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Most enzymes in living things are made up of
1. Carbohydrates
2. Lipids
3.Proteins
4. Nuclear acids
Someone please help me with this as soon as you can!
Answer:
3. Proteins
Explanation:
Enzymes are naturally occurring groups of organic substances of protein origin (they can be form by 62 amino acid residues, such as 4-oxalocrotonate tautomerase enzyme monomer to 2500 residue size) with intra or extracellular activity that have catalyst functions. This is achieved by lowering the activation energy to allow a chemical reaction, resulting in an increased reaction speed and allowing the metabolism of living things. Importantly, although most enzymes are proteins, there are also enzymes consisting of RNA as ribozymes.
Why are reduction division and haploid gametes important?
Answer:
This is in order to maintain the species number of chromosomes.
Explanation:
Reduction division occurs by meiosis and it is very necessary in organisms that reproduce sexually.
Meiosis will take place in the ovary and testis to produce haploid gametes that have half the number of chromosomes compared to the parent cell .
During fertilization the two gametes will fuse to form the offspring an offspring with the same number of chromosomes as the parent. The species number of chromosome has been maintained.
Without meiosis or reduction division the off-springs would have double the chromosomes as the previous generation did.
Which meninx surrounding the central nervous system contains blood vessels that nourish the neural tissue?
The offspring produced between the mating of a tiger and a lion, a liger, which is unable to reproduce, is an example of which form of reproductive isolation?
a. temporal isolation
b. behavior isolation
c. hybrid infertility
d. gametic isolation
e. hybrid inviability
Final answer:
Ligers, offspring of a tiger and lion mating, exhibit hybrid infertility due to hybrid sterility, which is a type of postzygotic reproductive isolation preventing them from reproducing.
Explanation:
The offspring produced between the mating of a tiger and a lion, a liger, which is unable to reproduce, is an example of hybrid infertility. Specifically, this is a case of hybrid sterility, which is a form of reproductive isolation that occurs after fertilization, resulting in a hybrid that is not capable of reproducing. Thus, the correct answer is c. hybrid infertility.
Why does a lack of movement create swelling in barbara's legs?
One would expect to find this protein involved in the elongation of bacillus anthracis to form its typical shape
The protein involved in the elongation of Bacillus anthracis to form its typical shape is unknown. However, the shape of a protein is critical to its function.
Explanation:The protein involved in the elongation of Bacillus anthracis to form its typical shape is unknown. However, the shape of a protein is critical to its function. For example, in the process of biological nitrogen fixation, the carrier protein leghemoglobin binds with a very high affinity to its substrate oxygen at a specific region of the protein where the shape and amino acid sequence are appropriate. If the shape or chemical environment of the active site is altered, the substrate may not be able to bind as strongly or not bind at all. Thus, for the protein to be fully active, it must have the appropriate shape for its function.
Which property below is shared by both carbohydrates and lipids
A. Both have the same number of oxygen atoms.
B. Both are sources of cellular energy.
C. Both are dissolvable in water.
D. Both have the same proportion of carbon-hydrogen bonds.
Answer: B. Both are sources of cellular energy.
Explanation:
Carbohydrates and lipids both are the biomolecules which are composed of carbon, hydrogen and oxygen in different proportions. The lipids have greater ratio of hydrogen to oxygen than that of carbohydrates. The lipid molecules contain more energy per gram of the carbohydrates. These are sources of energy in the body and provides energy for functioning of the cellular metabolism.
The creature in the photograph is a protist, which is composed of only one cell. This means that a protist A) cannot reproduce. B) is a living organism. Eliminate C) cannot survive in water. D) gets energy directly from sunlight.
Answer:
B) is a living organism.
Explanation:
All living organisms must have 8 treats or characteristics to be called living things:
cellular organizationreproductionmetabolismhomeostasisheredityresponse to stimuligrowth and developmentadaptation through evolutionThese eight characteristics are what make something a living thing, since the protist is made out of a cell, which has all of this characteristics, we can assume is a living organism, the other options could be truth, but we do not have enough information to say if they are or they aren´t true.
compare the productivity of terrestrial and aquatic ecosystems against the percent of Earth’s surface area they occupy.
The structure of hair is formed by keratin. Keratin is most likely which of the following polymers?
Answer:
Keratin is a protein.
Explanation:
Keratin is a fibrous protein that has the characteristics of rigid conformation, elasticity and impermeability to water. It has animal origin and is found in the vertebrate epidermis and in some epidermal appendages, such as hair, nails, hooves, feathers and scales. This protein is produced in cells called keratinocytes, which are the most abundant in the human epidermis.
Like any protein, keratin is made up of amino acids. It has a large amount of cysteine residues, which is responsible for 7% to 20% of the total amino acids present in keratin. Note that cysteine is mainly located in the terminal region of the keratin chains.