Answer:
A) be affected
Explanation:
What is the fluid mosaic model when talking about the cell membrane? what is selective permeability?
The fluid mosaic model describes the cell membrane as a dynamic blend of phospholipids, proteins, and carbohydrates, enabling flexibility and selective permeability. It emphasizes how the membrane's components can move relatively to one another, providing both stability and the ability to regulate the passage of substances.
Explanation:The fluid mosaic model is a concept that describes the structure of the cell membrane. In this model, the cell membrane is depicted as a fluid, dynamic mosaic of phospholipids, proteins, and carbohydrates. Phospholipids form a bilayer that provides the basic structure of the membrane, with proteins embedded within or attached to the surface, serving various functions such as transport, cell signaling, and structural support. Carbohydrates attached to proteins and lipids serve as recognition sites for other molecules and cells. This model emphasizes the flexibility and variability of the cell membrane, allowing for the movement of substances in and out of the cell through processes such as selective permeability. Selective permeability refers to the cell membrane's ability to regulate the entry and exit of different substances, allowing some molecules to pass through while blocking others, based on size, charge, or solubility.
Regarding membrane fluidity, the integral proteins and lipids within the cell membrane are not rigidly fixed; they can move relative to one another, resembling the multicolored tiles of a mosaic. This fluid nature is crucial for the membrane's function, allowing for cell growth, division, and the self-healing of punctures. However, despite its fluidity, the membrane maintains a certain degree of rigidity, preventing the cell from bursting under stress. This balance between fluidity and rigidity in the cell membrane is essential for maintaining the integrity and functionality of the cell.
What part of your body most likely consists of proteins similar to those of a parrot's claws?
Answer: Keratin protein
Explanation:
Keratin protein is a type of protein which is found in the hair and nails. It is the protective covering which has a very chance of scratching and tearing and other types of the cells.
Keratin is also found in the claws of the parrot which helps the parrot in adhering the substances and holding trees et cetera.
It is a protein which is found in similar form in the body of parrot as well as in human beings.
Hence, the correct answer is Keratin Protein
The nails on your fingers and toes contain keratin, a protein also found in a parrot's claws, supporting the idea of a common evolutionary past.
Explanation:The part of your body that most likely consists of proteins similar to those of a parrot's claws is your nails. Like a parrot's claws, your nails also contain the tough protein known as keratin, which makes them strong and resilient. This similarity can be seen as evidence of a common evolutionary past with other animals, where different species have developed structures like nails, claws, or hooves from a common ancestor, but those structures have adapted to suit different environments and needs over time. Both nails and claws serve protective and functional roles, such as aiding in grasping and manipulation of objects in humans, or for defense and capturing prey in animals.
Considering the broader concept of evolution, the existence of similar proteins in various structures across different species is supportive of the concept. Keratin, which is also present in human hair, has a similar function in providing toughness and serves different functions like acting as a filter and maintaining warmth in mammals, drawing parallels to chitin in arthropods.
How to tell the difference between macroconidia and microconidia?
Which of the following is not involved in creating tropospheric ozone?
A) high temperatures
B) CFCS
C) sunlight
D) NO x
The correct answer is B
The substance that is not required to build up the tropospheric ozone is CFCs.
The photo chemical and chemical reactions takes place day and night in the atmosphere.
The majority of the tropospheric ozone is formed by the action of nitrogen oxides, volatile organic, sunlight, high temperatures and carbon monoxide.
Which food contains the material needed to build muscle, but does not contain the macromolecules that give quick energy?
A.Hamburger B.Potatoes C.Bread D.Broccoli
what causes variations in asexual organisms?
what causes variations in sexual organisms?
do sexually reproducing species show greater variation than asexually reproducing species? please help me
The number of atp produced during aerobic cellular respiration from one glucose molecule is
The Phanerozoic eon is made up of all of the following except the _______ era.
Excitation of the sarcolemma is coupled or linked to the contraction of a skeletal muscle fiber. what specific event initiates the contraction?
Excitation of the sarcolemma is coupled to the contraction of a skeletal muscle fiber through the release of calcium ions (Ca2+).
Explanation:The specific event that initiates the contraction of a skeletal muscle fiber is the release of calcium ions (Ca2+). When an action potential reaches the neuromuscular junction, it triggers the release of acetylcholine (ACh) into the synaptic cleft. ACh attaches to receptors on the sarcolemma, generating an action potential that spreads along the surface of the muscle fiber and into the transverse tubules. This action potential causes the release of Ca2+ from the sarcoplasmic reticulum, which then binds to the protein troponin, initiating the contraction process.
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Who developed classification system for living things?
Which is a homologous structure to the human forearm?
Answer: The leg of a horse.
Explanation:
APEX
The amount of air that remains in the lungs after a normal exhalation is the ________.
Why is a transcription and translation so important?
Match the following terms and definitions.
? 1.the breeding of two organisms that have genes for two different characteristics
? 2. separation of DNA's two polynucleotide chains, which act as a template for a new chain
? 3.when more than two alternatives for a gene exist
? 4.a copying mistake made during DNA replication
? 5.when both genes are dominant and both are expressed in the phenotype
replication
mutation
codominance
multiple alleles
dihybrid cross
Answer:
Statement 1 - dihybrid cross, statement 2 - replication,
statement 3 - multiple alleles, statement 4 - mutation,
statement 5 - codominance.
Explanation:
Dihybrid cross is a term used when two organisms breed, have two genes for two different characters or trait.
Statement 1 - dihybrid cross
DNA polypeptide chains separate and each one of them acts as the template for forming new chain is, the process is DNA replication.
statement 2 - replication
If a gene has more than two alleles for a particular trait this condition is known as multiple alleles.
statement 3 - multiple alleles
A mutation is a mistake or error during DNA replication, it can be during reading or copying.
statement 4 - mutation
If a gene has two alleles and both alleles show their effect in the phenotypes.
statement 5 - codominance.
Mammals produce milk to nurse their young. In humans, which hormone controls milk production?
A) estrogens
B) progestogens
C) prolactin
D) testosterone
Answer: C. Prolactin
Prolactin is a hormone that controls milk production together with oxytocin. The anterior lobe of the pituitary gland secretes prolactin and the posterior lobe secretes oxytocin when a baby suckles at the breast. The level of prolactin in the blood slowly increases during pregnancy, and stimulates the growth and development of the mammary tissue, in preparation for the production of milk after delivery.
Moreover, Prolactin is in the highest level in about 30 minutes after the beginning of the feed, which is most important for producing milk for the next feed.
________ barriers to physical activity include both external/physical factors and social/interpersonal factors that may make it harder or easier for you to exercise.
a.physiological
b.psychological
c.environmental
d.personal
PLEASE HELP ME
Which of the following is not true about the group of birth control strategies collectively known as natural family planning?
It requires women to keep close track of their menstrual cycle.
If carefully practiced, it is almost 100 percent effective in preventing pregnancy.
It demands a disciplined focus on bodily changes.
It requires that women refrain from sex on days when they are ovulating.
A nurse is completing a health history with a client being admitted for a mastectomy. during the interview, the client states, "i don't know what to do. i am not sure if i really need this surgery." which response by the nurse demonstrates active listening?
"You seem unsure. Tell me your concerns about your surgery." will be the response by the nurse. The correct option is B.
What is nursing intervention?Nursing interventions are actions taken by a nurse to implement their patient care plan, which may include any treatments, procedures, or teaching moments designed to improve the patient's comfort and health.
Nursing interventions are an important service for patients because nurses care for them physically, mentally, emotionally, and socially.
Every day, the men and women who perform nursing interventions can have a long-term, positive impact on their patients.
In the given scenario, as the patient is unsure regarding the surgery, the nurse should response that "You seem unsure. Tell me your concerns about your surgery."
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
-"I can see this interview is making you uncomfortable. We can continue later."
-"You seem unsure. Tell me your concerns about your surgery."
-"I agree. If I were you, I would get a second opinion before the surgery."
-"Don't worry, I am sure your physician knows what he is doing."
An infection acquired by a patient in a healthcare facility is known as a(n) ________ infection.
Answer:
A healthcare–acquired infection is an infection that a patient acquires while being treated at
for a different ailment.
Explanation:
Eighty-nine percent of illnesses among children in child care settings are attributed to which of the following
"biological differences between males and females, other than contrasts in breasts and genitals, is known as"
To determine if you have identified a functional open reading frame (orf), you should have found __________ within the sequence. view available hint(s) to determine if you have identified a functional open reading frame (orf), you should have found __________ within the sequence. a ribosomal binding site (rbs) < 300 nucleotides a start codon and a ribosomal binding site (rbs) a start codon
The answer is a start codon. An open reading frame is a region of DNA with a span of nucleotides beginning with a start codon (usually ATG) and ends with a stop codon (usually, TGA, TAG, TAA). An open reading frame when translated, codes for a full functional protein hence can be used to predict genes.
Why is ann putnam convinced that her daughter is bewitched?
In cross-fostering studies, the young of one species are placed in the care of adults from another species. in broad terms, what do researchers learn from such studies?
Which organs perform both mechanical digestion and chemical digestion of food?
Small secondary lymphoid organs, which cluster along lymphatic vessels, are termed ________.
Final answer:
Small secondary lymphoid organs that cluster along lymphatic vessels and are essential to the immune system's function are known as lymph nodes.
Explanation:
Small secondary lymphoid organs, which cluster along lymphatic vessels, are termed lymph nodes. Lymph nodes are bean-shaped organs distributed throughout the body, which act as filters for the lymphatic system. They contain germinal centers rich in B and T lymphocytes essential for the adaptive immune response, as well as macrophages and dendritic cells that participate in antigen presentation. Lymphatic vessels are responsible for the flow of lymph, which carries immune cells and debris to and from different parts of the body, including the spleen, another key secondary lymphoid organ.
In the ocean, small remora fish are often found cleaning bacteria and other parasites from the mouths and gills of swordfish. Which of the following phrases best explains this interaction? A. animal affecting the life of an animal B. climate affecting the life of an animal C. plant affecting the life of an animal D. weather affecting the life of an animal
Which trait would most likely lead a scientist to investigate folk remedies of tribes living in the rain forest for new medicines?
openness
curiosity[wrong]
creativity
skepticism
The answer to the question is openess.
Skepticism will lead the scientist with his research.
Scientific skeptics evaluate claims based on verifiability and falsifiability.They discourage accepting claims which rely on faith or anecdotal evidence.What are the skills a scientist should have?Observation.Curiosity. Logic. Creativity. Skepticism.Objectivity. Peer review.To know more about skills here
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what is the purpose of using weighing factors for each parameter (temperature, pH, nitrates, total phosphates,and turbidity) when calculating the WQI value?
An _________ wave is created when a medium experiences evenly timed disturbances