which statement(s) about the composition of biological membranes is(are) false? check all that apply.
Every intracellular membrane of a specific eukaryotic cell type (such as a hepatocyte) contains essentially the same combination of lipids and proteins.
What sort of cell might be considered eukaryotic?Eukaryotic cells are distinguished by their membrane-enclosed organelles and organized nucleus. Plants, animals, fungus, and protists are a few examples of eukaryotic cells. Their genetic material is organized by chromosomes.
How do eukaryotic cells appear?In eukaryotic cells, endoplasmic reticulum and other membrane-bound organelles such as the nucleus and mitochondria are present. Protozoa, fungi, plants, and mammals are among the species that make up the group of eukaryotic cells. They are real cells since they include a nucleus. Prokaryotic cells lack the level of complexity that eukaryotic cells do.
To know more about eukaryotic cell visit:
https://brainly.com/question/11351358
#SPJ4
describe how quorum sensing and two-component regulatory systems allow cells to adapt to fluctuating environmental conditions.
Bacteria may regulate their gene expression in response to their population density through quorum sensing (QS) regulation.
Although their production level can also be altered by the environment, the bacteria create signaling molecules that build up during particular phases of development.
Bacteria employ the generation and detection of extracellular substances known as autoinducers, a kind of cell-cell communication known as quorum sensing, to track the density of their population of cells. Quorum sensing enables bacteria to coordinate their collective gene expression and operate as a single unit.
To learn more about quorum sensing click here
https://brainly.com/question/13749758
#SPJ4
What factor has not been available to scientists and has kept them from being able to produce a living cell
It has been challenging to research due to the cell's size. We have a variety of methods in which we are able to produce things that work similarly to cells.
All biological things are constructed from simple units called cells. Millions of billions of cells make up the human body. They provide the body structure, absorb nutrients from the diet, transform those nutrients into energy, and perform certain tasks.. Numerous, maybe even thousands, of tiny, unique structures known as organelles are found in the cytoplasm, which is made up of complex arrangements of microscopic fibers.
Research is "creative and systematic work undertaken" in order to advance the corpus of knowledge. It comprises the objective collecting, organization, and analysis of information to increase understanding of a topic or circumstance.. An extension of earlier work in the topic could be the focus of a research study.
Learn more about cells here:
https://brainly.com/question/3142913
#SPJ4
what are the possible phenotypes of the children if the mother has type o blood and the father has type ab blood? (use the punnett square to verify your answer.)
The possible phenotypes of the children if the mother has type o blood and the father has type ab blood are A, B, and AB.
An O mother can pass only one O alleles to her son or daughter. An AB father can pass the A or B allele to a son or daughter. This couple may have an A or B child. A parent of O and a parent of AB can only have children of A or B.
At the end of this answer, I have added a table showing all possible blood group combinations for two parents and their children's possible blood groups. Exceptions to these rules are very rare. In fact, an AB parent may have her O child. But it is by no means common. In fact, it is no exaggeration to say that it is extremely rare. Usually, AB parents and A parents can only have A or B children.
Learn more about The possible phenotypes here:-https://brainly.com/question/14936444
#SPJ4
by what means do amoebas and slime molds move?by what means do amoebas and slime molds move?ciliaflagellapseudopodiaamoebas and slimes do not move; they are anchored to the substrate.
Moving slime molds and amoebas Slime molds, which share phenotypic characteristics with both fungus and protozoa, produce spores but move by gliding like amoebas.
The slime mold moves in what manner?A plasmodium is a multinucleate protoplasmic mass that forms when amoeba-like cells fuse together. Since the fungus is in its "creeping" stage at this point, slime molds will creep or flow across a variety of surfaces if enough water is available. They move several feet in a day and creep at a fairly quick rate.
What are the similarities between an amoeba and a slime mold?Slime mold is not a type of animal or plant. Despite occasionally looking like one, it is not a fungus. In reality, slime mold is a type of soil-dwelling amoeba, a single, mindless cell that frequently has multiple nuclei.
To know more about amoebas and slime molds visit:-
https://brainly.com/question/11534327
#SPJ4
Chromosomes and genes are alike because they both contain _____________________ material.
one of the largest cypress trees in florida has a tree trunk with a diameter of about 3.5 meters. what is the source of most of the carbon in the cypress tree's trunk?
The majority of the carbon in the cypress tree's trunk was absorbed by the tree when it ingested carbon dioxide molecules from the atmosphere.
What components make up the atmosphere?It is an amalgam of many gases. Approximately 78% of the air in Earth's atmosphere is nitrogen, while 21% is oxygen. Small amounts of other gases, including carbon dioxide, neon, and hydrogen, are also present in air.
How does atmosphere become made?Because of radiation from the Sun, early Earth lost its hydrogen, helium, and other hydrogen-containing gases, leaving it without an atmosphere. Gases locked in the early Earth's interior were released, creating the first atmosphere, a process that continues today in volcanoes.
To know more about atmosphere visit :
https://brainly.com/question/26767532
#SPJ4
determine whether each of the following transitions in the hydrogen atom corresponds to absorption or emission of energy.
Energy is released when an electron moves from a higher state of energy higher energy. On the other hand, energy is absorbed when an electron moves from one energy level to another.
Describe absorption and provide an example.The process of one substance entering the volume or mass of another material is Absorption. Instead of being forced by the liquid or gas, the solid absorbs it.
What kinds of absorption are there?The process of absorption can be either physical or chemical: The rate of diffusion that takes place at the gas-liquid interface and the price at which a gas disperses into the liquid are both factors in the liquid – liquid of a gas or portion of a compressed gasses inside a liquid solvent.
To know more about Absorption visit:
https://brainly.com/question/24228588
#SPJ4
The expanded articular end of an epiphysis that is separated from the shaft by a narrower neck is called a.
The expanded articular end of an epiphysis that is separated from the shaft by a narrower neck is called a Head.
The body constantly remodels the living, active tissues that make up bones. They sustain the body's structure, safeguard important organs, and provide movement of the body. They also serve as a space for the bone marrow, which the body uses to produce blood cells, and a repository for minerals, particularly calcium.
There are two different forms of tissue that make up bones.
A hard, dense, robust, and long-lasting outer layer is called compact (cortical) bone. It creates the outer layer of bone and accounts for around 80% of mature bone mass.The remaining 20% of bone is made up of trabecular (or spongy) bone, which is made up of a network of rod-like structures called trabeculae. Compared to compact bone, it is lighter, less thick, and more flexible.Head is a conspicuous, rounded bone extension that is a component of a joint. It has a neck that separates it from the bone's shaft. Inside a synovial capsule, the head is often coated in hyaline cartilage.
To know more about BONES visit the link:
https://brainly.com/question/14810294?referrer=searchResults
#SPJ4
A scientist discovered a new organism. she found that the cells have membrane-bound organelles, an irregular shape, and increase in size by dividing. what type of organism did she most likely discover?
A scientist discovered a new organism and found that cells have membrane-bound organelles, irregular shape, and increase in size by dividing. Type of organism that she most likely discovered is : animal cells.
What is an animal cell?Animal cells lack rigidity, therefore they have round and irregular shapes whereas cell wall of plant is made of cellulose that gives plant cells rigidity and a fixed rectangular shape.
Animal cells are type of the eukaryotic cell that enclosed by a plasma membrane and having a membrane-bound nucleus and organelles. Animal cells do not have a cell wall, unlike eukaryotic cells of plants and fungi,
To know more about animal cells, refer
https://brainly.com/question/27121829
#SPJ1
Which sentence supports the statement that complex , multicellular organisms are made up of specialized cells that each perform different functions for the body
Answer:
the sentence is cell differentiation
what techniques could be used to demonstrate that a mutation in a man with hemophilia is due to the insertion of an alu element into the coding sequence of the x-linked gene for factor viii, one of the proteins needed for efficient blood clotting in humans?
Therefore, if a guy inherits an X chromosome that has a mutation in either the factor VIII or factor IX gene, they may develop a disease similar to hemophilia. Hemophilia can also affect women, however this is far less common. In these situations, either both of the X chromosomes are afflicted, or one is affected while the other is absent or inactive.
What is Mutation ?A mutation in biology is an adjustment to the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA. DNA or RNA can be found in the viral genome.
Mutations that are harmful can result in cancer or genetic diseases. A genetic disorder is a condition brought on by a change in one or more genes. Cystic fibrosis is a human example. A single gene mutation causes the body to create thick, sticky mucus that obstructs digestive organ ducts and clogs the lungs.
Missense, nonsense, insertion, deletion, duplication, and frameshift are just a few categories of gene mutations. The advent of lethal diseases like cancer is one of the main consequences of a gene mutation.
What is Hemophilia ?An genetic bleeding ailment called hemophilia causes the blood to clot improperly. This may result in both spontaneous bleeding and bleeding after injury or surgery. Blood contains a variety of clotting proteins that can aid in halting bleeding.
A moderate form of hemophilia A or B usually results in substantial bleeding after an accident. Additionally, you can have bleeding after an injury if you have hemophilia A or B in its most severe forms. spontaneous bruising of the muscles or joints
To know more about Mutation please click here ; https://brainly.com/question/17031191
#SPJ4
After ingestion, the first type of macromolecule to be worked on by enzymes in the human digestive system is.
Enzymes with in human digestive system begin working with carbohydrates as soon as they are ingested as the first form of macromolecule.
What happens after digestion?Chewing triggers the start of digestion, which is completed there in small intestine. Large food molecules split into smaller ones as they move through the GI tract and combine with digestive fluids.
Why is proper digestion important?To be converted into nutrients that body can use for energy, development, and cell repair, food must first be digested. Nutrients from food and drink need to be broken up into smaller molecules before being absorbed by the circulation and sent to the cells around the body.
To know more about digestion visit:
https://brainly.com/question/32531
#SPJ4
which of the following is not the name for a major class of receptors? group of answer choices channel-linked receptors voltage-gated receptors enzyme-linked receptors g-protein coupled receptors intracellular receptors
The name which does not belong to the group of major classes of receptors is: voltage-gated receptors.
Receptors are the molecules present on the cell membrane or inside any cell that receive any signal by binding to another substance called ligand. They further transmit the signal to accomplish some target inside the cell. The receptors act as molecular switches that can turn the signaling on or off.
Voltage-gated are the channels present on the cell membrane and not receptors. The function of ligand gated channels is to mediate the transport of ions through them. They act depending upon the membrane potential of the cell.
To know more about voltage-gated channel, here
brainly.com/question/14591307
#SPJ4
At which location does gravity play a role in moving tectonic plates? question 10 options: in the mantle in the middle of a continent at the edge of the plates in the core
Gravity play a role in moving tectonic plates at the edge of the plates.
When tectonic plate dives under another plate it is due to the high energy by the Earth's gravity that pushes into the mantle these causes hot rock to rise and cooler to sink .
Movement of tectonic plates occurs on the top of a partially molten layer of rock called the asthenosphere. As a result between contraction of asthenosphere and lithosphere, the plates move contrary to each other at different rates, from 2- 15 centimeters per year. Gravity plays an important role by pulling the denser material close to the core .
To learn more about Gravity , here
brainly.com/question/4014727
#SPJ4
What is the process that causes harmful materials to seep into the ground and move through rock and soil and contaminate ground water?.
The process that causes harmful materials to seep into the ground and move through rock and soil and contaminate ground water is through precipitation and lead to groundwater contamination.
When man-made substances like chemicals, oil, road salts, and gasoline contaminate groundwater, they render it hazardous and unfit for human consumption. The soil can allow substances from the surface of the land to pass through it and end up in the groundwater.
Groundwater quality can be impacted by industrial discharges, urban activities, agriculture, groundwater pumping, and waste disposal. Human activity can cause contaminants, such as through harmful chemical spills or leaking fuel tanks.
Poor drinking water quality, a lack of water supply, deteriorated surface water systems, expensive cleanup expenses, high prices for alternative water supplies, and/or significant health issues can all result from ground water contamination.
Thus, through percolation of these hazardous components the ground water gets contaminated.
To know more about groundwater contamination visit the link:
https://brainly.com/question/22308913?referrer=searchResults
#SPJ4
if a serum specimen is diluted 1:2 with buffer beginning in tube 2 and serially diluted 1:2 in each of five subsequent test tubes that follow, what is the final dilution of serum in tube 5 ?
The ratio of serum concentration in the final tube to that in the first tube is 1:64. (or 164 of the original concentration).
The proportion of the parts in respect to one another is expressed as a part-to-part ratio. The whole is made up of all its component components. "1 to 2" is how the ratio 1: 2 is written. This indicates that out of the sum of 3, one component is worth 1 and another part is worth 2.
When a solvent is added, the concentration of the solute in the solution is diluted. By removing the solvent, concentration raises the solute concentration in the solution. Because each molecule needs a certain amount of energy to break bonds, dissociation rises with dilution. Take HCl as an example; it requires a certain amount of energy to split into H+ and Cl-.
To know more about serum
https://brainly.com/question/13386990
#SPJ4
which complications of traditional gene therapy can be overcome by the crispr-cas9 system? check all that apply.
Using theories of gene, we got that Immune response to viral vectors, Retroviruses activating oncogenes, Inserted genes disrupting off-target genes are the main complications of traditional gene therapy which can be overcome by the crispy-casp9 system.
A gene is basic physical and functional unit of heredity. Genes are made up of DNA. Some genes may act as instructions to make molecules called proteins. However, many of the genes do not code for proteins. In humans, genes vary in size from the few hundred DNA bases to more than 2 million bases. An international research effort called Human Genome Project, which worked to determine the sequence of human genome and identify the genes that it contains, estimated that the humans have between 20,000 and 25,000 genes.
Hence, the complications of traditional gene therapy can be overcome by the crispr-cas9 system are:
Immune response to viral vectors. Retroviruses activating the oncogenes. Inserted genes disrupting off-target genesTo know more about gene, visit here:
https://brainly.com/question/8832859
#SPJ4
If a human cell has more or less than the correct number of chromosomes, what is a likely result? Select all that apply.
a
It can cause mutations in the DNA of the human.
b
It can result in lower human diversity.
c
It can cause the human's DNA to replicate.
d
It can cause cell cloning in humans.
e
It can result in humans not being able to reproduce
If a human cell has more or less than the correct number of chromosomes then it will lead to mutations. Option a is correct.
What is the number of chromosomes ?The human genome is made up to use 23 pairs of chromosomes that is 46 chromosomes in all. Out of these 22 are autosomes and 1 pair is sex chromosomes.
DNA is required to function properly at the pair of 23 chromosomes only. Various mutations leading to diseases takes place if abnormality occurs.
Learn more about chromosomes at :
https://brainly.com/question/1596925
#SPJ1
The function of hemoglobin is to carry ________ from the lungs throughout the body.
Answer:
Oxygen
Explanation:
It carries Oxygen in your red blood cells to other things in your body such as your organs and tissue, then it goes back to your lungs. If that makes sense to you. Hope this helps. :)))
1. signaling in microbes has much in common with processes in multicellular organisms. what does this suggest about its evolutionary origin?
Signaling in microbe suggest the evolutionary origin of signaling mechanism.
What is signaling mechanism?
The signaling process is chemical in nature (i.e., paracrine) and includes the capacity of the ENS for intelligent interpretation of antigen-evoked mast cell signals in addition to the specialized antigen sensing functions of intestinal mast cells.
What is signaling in microbes?
Through the secretion of quorum sensing, electrodes produce mature and durable biofilm (QS).Microbial electrochemical technique (MET) with QS assistance for energy recovery is listed.Recovery of values with comprehensive wastewater treatment via METs is explained.Quorum quenching (QQ) modulation in MET is claimed to cause anti-membrane biofouling.Therefore, bacterial QS and QQ control can help create self-sustaining MET.Therefore, signaling in microbes shows the evolutionary origin of signaling mechanism.
To learn more about signaling mechanism click on the link
https://brainly.com/question/28499832
#SPJ4
The most common elements for life are
CHONPS
The letter O symbolizes the element....
A. oxide
B. oxygen
C. oxidase
Answer: Oxygen
Explanation:
Diatomic oxygen (O2) makes up about 21% of the Earth's atmosphere and is vital for life.
16. Which of the statements below is true about
binomial nomenclature?
a) It is a two-word naming system that is used for
naming species
b) It is a system of giving names to bacteria
c) It is an organelle of a cell
which of the following statements is not accurate regarding complement? a. the effect of complement typically depends on activation of complement factor c3 b. complement are non-cellular protein factors c. activated complement factors can combine to form pores in the plasma membrane of infecting cells and kill them d. complement only works in conjunction with the adaptive immune system e. complement is present in blood serum
complement only work in conjunction with adaptive immune system is not accurate regarding complement system
One of the key processes by which pathogen identification is transformed into an efficient host response against an early infection is the complement system. Complement is a system of plasma proteins that may either be activated directly by pathogens or indirectly by pathogen-bound antibodies. This activation causes a series of events to take place on the surface of the pathogens, which produces active components with varied effector roles. There are three ways to activate the complement system: the traditional pathway, which is activated by the pathogen directly or indirectly through antibody binding to the pathogen surface; the MB-lectin pathway; and the alternative pathway, which also serves as an amplification loop for the other two pathways. As part of innate immunity, all three processes can be started without the aid of an antibody.
Learn more about Complement system here:
https://brainly.com/question/1185390
#SPJ4
The scientific study of how organisms relate to one another and their surroundings is known as what?.
The study of organisms and their relationships to their surroundings is called ecology. The interaction of living creatures with their environments is the subject of ecological research.
What are some instances of ecology?An ecosystem ecologist might, for instance, gain knowledge about how beaver dams effect water flow in a forest ecosystem and how it affects the survival or aquatic species or the dispersion of silt. A coral ecologist may research the effects of variations in water temperature on coral survival.
What purpose does ecology serve?Ecology is crucial to human welfare and wealth and improves our earth. It provides new insight into how interdependence between people and nature is crucial for maintaining biodiversity in the face of climate change, providing enough food, and preserving clean air and clean water.
To know more about ecology visit:
https://brainly.com/question/28548651
#SPJ4
a student working in a lab that studies rats was asked to genetically modify a rat that could tolerate dehydration using one of two methods: change the amount of vasopressin that the rat produces (increase or decrease) or change the amount of aldosterone that the rat produces (increase or decrease). what method would you choose and why? draw a feedback loop which shows how your genetic modification would be an advantage (
The approach that can be taken is to boost vasopressin production. This is due to the fact that too much vasopressin will cause urine to absorb more water.
How does aldosterone promote the reabsorption of water?By attaching to the MR, moving to the nucleus, and boosting the transcription of sodium channels and transporters, aldosterone promotes sodium transport and, inadvertently, encourages water reabsorption in the renal distal tubule.
What causes an increase in aldosterone?When the adrenal glands release too much aldosterone, hyperaldosteronism results. The adrenal glands themselves are the cause of primary hyperaldosteronism. The adrenal gland's noncancerous (benign) tumour is the most common cause of case.
To know more about vasopressin production visit:-
https://brainly.com/question/15410230
#SPJ4
which possible cause of doms is also a cause of cellular damage in muscular dystrophy and alcohol-induced cardiomyopathy
DOMS and cellular damage in muscular dystrophy and alcohol-induced cardiomyopathy are caused by elevated calcium levels, which rush into injured tissue and slow repair.
DOMS, commonly referred to as "muscle fever," is delayed onset muscle soreness. After engaging in new and strenuous exercise, the muscles feel sore, achy, and unpleasant. The most frequent cause of DOMS, which is transient muscle injury and inflammation, seems to be eccentric activity. Muscular dystrophy is a muscle disorder in mutated genes in body doesn't allow the formation of protiens required for healthy muscle cells. Alcoholism causes your heart to change form, a condition known as alcoholic cardiomyopathy.
To learn more about muscles click here:
https://brainly.com/question/18842367
#SPJ4
which pre-mrna processing step is important for initiating translation? group of answer choices poly-a tail rna editing splicing 7-methylguanosine cap
The translation must start after the processing of the pre-7-methylguanosine mRNA's cap.
From yeast to mammals, the 7-methylguanosine cap is necessary for mRNA translation and cell viability. Additionally, it facilitates other RNA processing events such as splicing, poly(A) tail addition, and nuclear export in addition to playing a part in transcription elongation, mRNA stability, and degradation.
The addition of stabilizing and signaling components to the 5′ and 3′ ends of the molecule, as well as the elimination of intermediate sequences that do not specify the proper amino acids, are the three most crucial steps in pre-mRNA processing. The mRNA transcript can occasionally be "edited" after it has been transcribed.
To learn more about mRNA
https://brainly.com/question/29314591
#SPJ4
So wind and rain make... *
O
extra water in the ocean
different temperatures of water
O different parts of the ocean have different amounts of salt
O the same temperature and salt in all areas
VERHEADSE
TERESTERE
MERN
Blanse san
SUGHTENER
TOM FEATUIS
digindek
sintisibl
Sentronnic
a relict
Answer:
cc
Explanation:
Which allele will be expressed when both
a dominant and recessive allele are
present in an organism?
A. dominant only
B. recessive only
C. the two alleles will mix
Answer:
A. Dominant only
Explanation:
A dominant allele needs to be present in only one gene (so in the gene Qq, only Q would be present)
However, in order for a recessive allele to be present, it needs to have two genes (so in the gene qq, the recessive gene would be present)