Answer:
The sun is the ultimate source of life for all living beings. In photosynthesis, plants transform light energy to chemical energy. Animals are receiving nutrition from eating vegetables. The only source of energy that a cell can use is a molecule called adenosine triphosphate .
One of the most important checkpoints in the cell cycle, also known as the restriction point", is the -
Answer:G 1 checkpoint
Explanation:G 1 checkpoint is the main decision point of the progression of the cell cycle. It is the rate-limiting step of the cell cycle known as the restriction point. The G1 checkpoint occurs at the transition stage of the G 1 stage-cell into the S stage. Protein synthesis and DNA replication occur during the G 1 phase.
charles chamberland developed porcelain filters that allowed other scientists to demonstrate that viruses are smaller than bacteria.
Charles Chamberland was a microbiologist who discovered a filter that is known as porcelain filter that has small pores than bacteria.
This porcelain filter was used to separate the bacteria, by passing the solution through this filter that allow the solution to pass through the filter but not bacteria.
This filter was used to demonstrate that virus are small than bacteria because virus can easily pass through this filter because of their small size. these virus are defined as filterable agents.
Microbiologist is the scientist that study about the micro organisms and their life forms and processes.
To learn more about microbiologist here
brainly.com/question/13549869
#SPJ4
How do limited resources affect evolution of a species?
Answer:
If they do not have what they need they will not be able to reproduce or grow.
Explanation:
My last one ⚠️⚠️
Salt dressing is a(n)
A. Compound
B. Element
C. Heterogenous
D. Homogenous
Answer:
hopefully its a. compound
Explanation:
In the 1990s, many scientists agreed that the five-kingdom classification scheme should be expanded to six kingdoms. Which discovery supported this decision?
the use of microscope because it led to the discovery of new organism and identification differences in cells
A section of DNA is shown below:
3' ATTCCCGTACCG 5
Which of these correctly matches to form the complementary strand of DNA
above?
a) 5' ATTGGGGTAGGC 3
c) 5 TAAGGGOTACCG 3
b)5' TAACOCUAGGGO 3
d) 5'TAAGGGCATGGC 3
name as many animals as you can.
Spectacled Bear
cheata
zeabra
PLZ HELP ME!!!!
“The key factor to this process is identifying the trait you want and then only allowing species that have that trait to breed with one another.” Which of the following BEST matches the statement above?
Answer:
Where is the following at?
Explanation:
substances being tested:
CH, OH
OH
OH
sucrose
OH
simple-sugar components:
fructose
CH, OH
CH, OH
OH
OH
CH.OH
CH, OH
OH
OH
glucose
CH₂OH
OH
OH
OH
lactose
CH,OH
OH
CH₂OH
galactose
Use the molecular structures to predict which of the six solutions will test positive for glucose. Write your
prediction in the answer space. Provide the reasoning behind your prediction.
The reducing sugars, glucose and galactose are the two substances as shown that are able to give a positive test for glucose.
Which of the solutions would test positive for glucose?We know that glucose is a reducing sugar. There are so many monosaccharides that could be consumed in the body as well as disaccharides and polysaccharides. In either case, all the substances that fall into the categories have different ways in which they are able to interact with the Benedicts solution that is used to test for glucose. The positive test for glucose is the appearance of a brick red precipitate.
Now we know that the first structure that is shown in the image is sucrose and it does not have a free carbonyl group that would interact with the Benedicts solution. This is the same thing that occurs in the case of lactose. On the other hand, fructose is not a reducing sugar hence it does not interact with the solution.
It now follows that the reducing sugars, glucose and galactose are the two substances as shown that are able to give a positive test for glucose.
Learn more about Benedicts solution:https://brainly.com/question/14731281
#SPJ1
PLEASE HELP ME!! ILL GIVE YOU BRAINLY!!!
People who work close to aircraft at an airport are given protective headsets to wear to help prevent hearing damage, but other people who work in places that are loud enough to damage their hearing, such as nightclubs, get no protection at all. Is this reasonable? What could be done about it?
Answer:
People who work on aircraft need the headsets to talk to the plane and other workers on it. People who work in nightclubs are probably used to the noise tho.
quizlet the second edition of bergey's manual of systematic bacteriology is largely based on classification.
The primary source for identifying prokaryotic organisms, particularly bacterial species, employing every distinguishing trait, is Bergey's Manual of Systematic Bacteriology.
Bergey's Manual was renamed as of 1984. Separate volumes of Bergey's Manual of Systematic Bacteriology are being released. There are 35 parts in this manual, each based on a different characteristic, such as overall shape, morphology, gram staining, endospore presence, motility, oxygen correlations, or method of energy production. Prokaryotae's four divisions are listed in the manual. Since the first volume of Bergey's manual of systematic bacteriology was published in 1984, a lot of work has been done on the sequencing of rRNA, DNA, and proteins, which has made it possible to conduct phylogenetic analyses of prokaryotes. As a result, the second version of Bergey's manual is released in five volumes and is primarily phylogenetic rather than phonetic, making it considerably different from the previous edition. It contains further ecological details regarding certain taxa.
Learn more about Bergey's Manual of Systematic Bacteriology https://brainly.com/question/13161785
#SPJ4
Compare human and coffee beans.
Answer:
○_○
Explanation:
humans has body parts while coffee beans dosent
____________ is the preservation of all cellular and structural elements in as nearly the natural living condition as possible. Two commonly used solutions in plants for this purpose are __________ and _________ .
Answer:
Cryopreservation
Plant Vitrification Solution 2 (PVS2) and Plant Vitrification Solution 3 (PVS3)
Explanation:
Cryo-preservation or cryo-conservation is defined as the process of preservation of all cellular and structural elements such as cells, organelles, tissues, organs, or any other biological constructs by cooling to very low temperatures.
Two commonly used solutions in plants for this purpose are Plant Vitrification Solution 2 (PVS2) and Plant Vitrification Solution 3 (PVS3). Plant Vitrification Solution 2 (PVS2) is consists of, w/v, 0.4 M sucrose, 30% glycerol, 15% DMSO and 15% ethylene glycol and Plant Vitrification Solution 3 (PVS3) comprising, w/v, 50% sucrose and 50% glycerol.
Hence, the correct answer is "Cryopreservation
Plant Vitrification Solution 2 (PVS2) and Plant Vitrification Solution 3 (PVS3) "
During which stage does the exchange of genetic information occur?
Answer:
During this stage, homologous chromosomes line up on the metaphase plate and exchange genetic information.
Explanation:
Crossing over occurs when chromosomal homologs exchange information during metaphase of Meiosis I. During this stage, homologous chromosomes line up on the metaphase plate and exchange genetic information.
The exchange of genetic information takes place during meiosis, particularly during the prophase, resulting in organism diversification and natural selection, and sexual reproduction is the cause of the diversification.
What is the significance of the genetic exchange?During meiosis, homologous chromosomes, which are identical versions of a chromosome, pair up and exchange genetic information through a process called crossing over, and due to this, new combinations of genetic information are seen in the offspring cells. The exchange of genetic information leads to speciation, the introduction of genes into the gene pool, etc.
Hence, the exchange of genetic information takes place during meiosis, particularly during the prophase, resulting in organism diversification and natural selection, and sexual reproduction is the cause of the diversification.
Learn more about the genetic exchange here.
https://brainly.com/question/20185276
#SPJ6
pdf fluorescence of amphotericin b-deoxycholate (fungizone) monomers and aggregates and the effect of heat-treatment
The major therapy for systemic mycoses continues to be amphotericin B-deoxycholate (Fungizone). However, its usage is constrained by its toxicity, particularly renal impairment.
The polyene macrolide antifungal Amphotericin B, which is formed as micellar dispersion Fungizone (FZ), and its modified counterpart heat-treated Fungizone are both reported to have fluorescence excitation and emission spectra. The modulation of Amphotericin B aggregation state using sodium dodecyl sulfate or sodium deoxycholate surfactant indicates that the monomer and dimer states have distinct fluorescence spectra. It is seen that an excited dimer transfers energy to the monomer. The expected S₁ - S₀ fluorescence emission as well as anti-Kasha fluorescence emission from the S₂ state are both displayed by FZ and heat-treated FZ (HTFZ). The discoveries lay the foundation for upcoming fluorescence characterisation of FZ or HTFZ interactions with cell membranes.Learn more about the Amphotericin B with the help of the given link:
https://brainly.com/question/4652591
#SPJ4
you and your friend are walking along a beach in Maine on January 15, at 8 am. you notice a thermometer on a nearby building that reads -1 c. you also notice that there is snow on the roof of the building and icicles hanging from the room. you further notice a pool of sea water in the sand near the ocean. your friend looks at the icicles and pool and says, "How come the water on the if frozen and the sea water is not?" you answer, "I think that the salt in the sea water keeps it from freezing at -1c." your friend asks, "How can you be sure?" you answer, "im going to get some fresh water and some salt water and expose them to a temperature of -1c and see what happens."
What is the independent variable?
What is the control group?
Answer:
the independent variable is salt water, the control group is fresh water
Explanation:
you are testing the effect of salt on water freezing or not. freshwater does not have salt, so it will be the control since you know it will freeze. salt water has salt, and since that is what you are testing, your salt water is your independent variable.
do not confuse your independent variable with your dependent variable!
This type of endocytosis is the cellular process of engulfing liquid particles by the cell membrane.
Pinocytosis is a type of endocytosis in which a cell absorbs minute quantities of extracellular fluid (literally, "cell sipping").
The process by which the cell takes in the liquids together with dissolved tiny molecules is known as pinocytosis (the Greek word pino meaning "to drink"). The cell membrane folds during this process, forming tiny pockets that catch the cellular fluid and other dissolved materials.Pinocytosis and phagocytosis are the two primary kinds of endocytosis. Pinocytosis, commonly referred to as "cell drinking," is the process by which minute aqueous particles and the membrane receptors that identify them are taken up by the body.Big endocytic vesicles termed phagosomes are used in the process of phagocytosis, a particular type of endocytosis, to consume large particles like dead cells and bacteria.In order to absorb nutrients from the gastrointestinal tract's lumen, pinocytosis is seen in the small intestine's microvilli. Similar to this, it is seen in the kidney's duct cells while urine is being produced.Learn more about endocytosis here:
https://brainly.com/question/731513
#SPJ4
A rock has been sent on a journey down through the layers of the Earth until it reaches the inner core. Explain what happens to the atoms in the rock as it moves through each layer.
Answer:
The rock components of the crust are slowly but constantly being changed from one form to another and the processes involved are summarized in the rock cycle (Figure 3.2). The rock cycle is driven by two forces: (1) Earth’s internal heat engine, which moves material around in the core and the mantle and leads to slow but significant changes within the crust, and (2) the hydrological cycle, which is the movement of water, ice, and air at the surface, and is powered by the sun.The rock cycle is still active on Earth because our core is hot enough to keep the mantle moving, our atmosphere is relatively thick, and we have liquid water. On some other planets or their satellites, such as the Moon, the rock cycle is virtually dead because the core is no longer hot enough to drive mantle convection and there is no atmosphere or liquid water.
Explanation:
hope it help you
pick me as the brainliest
what is the main difference between the two hypotheses for the origin of the eukaryotic cell? one attributes the formation of the endoplasmic reticulum and nuclear envelope to infolding of the plasma membrane. one hypothesizes that engulfment of a proteobacterium occurred after the formation of the nuclear envelope, rather than before. only one involves the conversion of a proteobacterium to a mitochondrion. one hypothesizes that eukaryotic cells evolved from an archaeon, rather than a bacterium.
The main difference between the two hypotheses for the origin of the eukaryotic cell is one hypothesizes that engulfment of a proteobacterium occurred after formation of the nuclear envelope rather than before.
What is cell ?The smallest component of all living things, including human tissue, that is capable of independent existence. The cell membrane, nucleus, and cytoplasm make up a cell's three basic structural components.
All living things are composed primarily of cells. Trillions of cells make up the human body. In addition to absorbing nutrients from meals and converting those nutrients into energy, they also provide the body structure and perform certain tasks.
Types of cell :Prokaryotic and eukaryotic cells are the two main subtypes of cells. Prokaryotic and eukaryotic cells have different shapes (see prokaryote, eukaryote), yet they share many of the same molecular characteristics and functions.
To know more about cytoplasm visit :
https://brainly.com/question/15417320
#SPJ4
Some people have proposed a new way to build houses in areas that are likely to experience tsunamis. In this design, a
house wouldn't have solid walls on all four sides. Instead, some of the wall areas would be replaced by substances that
water can travel through quickly, as shown in the diagram. How would this design help a house survive a tsunami? What
drawbacks might there be to this design?
Answer:
This could actually help. By doing this if the house is strong enough the water would go straight through the house just destroying furniture and anything else inside your house. This could also still hurt you the water could miss and still destroy your house so having this would have been a waste of money.
Explanation:
rip for my bio grade :(
Answer:
mRNA
Explanation:
mRNA
Answer:
Awwww sorry I don’t know the answer
Explanation:
What is menstruation
Answer:
a period
bleeding from the woman's parts
Explanation:
which of these terrestrial plant is grown in Forrest for lumber
A. guava
B. cabbage
C. narra
D. tomato
a niche in an ecosystem is most similar to
Answer:
A niche is like the organisms "job" they do in the environment.
Explanation:
Niche, in ecology, all of the interactions of a species with the other members of its community, including competition, predation, parasitism, and mutualism. A variety of abiotic factors, such as soil type and climate, also define a species' niche.
what factors may lead to the accumulation of genetic differences between two physically separated populations
Factors that result in speciation encompass genetic differences, natural choice, geographical isolation, and mutation. Geographical isolation isn't a first-rate factor in the speciation of a self-pollinating plant species as pollination takes place among the reproductive organs of the identical flower.
In their separate niches, the two organizations go their very own evolutionary ways, collecting extraordinary gene mutations. Being subjected to distinct selective pressures, experiencing extraordinary historical activities, and eventually turning incapable of interbreeding they never come collectively again.
Speciation occurs when a set inside a species separates from other contributors of its species and develops its very own unique traits. The demands of a distinct environment or the traits of the contributors of the new institution will differentiate the brand new species from their ancestors.
Learn more about genetics here:-https://brainly.com/question/996038
#SPJ4
the strategy of ecosystem development: an understanding of ecological succession provides a basis for resolving man's conflict with nature
Ecological succession provides a basis for resolving man's conflict with nature because this is the process in nature by which the different kind of species and the habitat in an area changes according the time.
This succession is important for the growth and the development of an ecosystem. It start the colonization and development of new area and redevelopment of the destroyed area.
The principle of ecological succession have a important relationship between man and nature. It need to be examined as basis for resolving man's environmental crisis.
Colonization is the process of establishing control and settling the indigenous people of an area.
To learn more about colonization here
brainly.com/question/12419730
#SPJ4
Suppose you mix several liquids in a jar. After a few minutes, the liquids form layers. Is this a homogenous mixture or a heterogeneous mixture? Why?
Answer:
Heterogenous mixture because the liquids that were put into the jar do not mix well together and have different densities.
In a homogenous mixture the liquids would mix together and it would look like one.
Explanation:
Answer:
its a heterogeneous mixture:
Explanation:
Because the liquid put into the jar most likely have different densities. The items that are put together dont mix well with each other causing them to creat layers.
Which answer has the correct order for the four phases of mitosis?
Anaphase, Telophase, Prophase, Metaphase (ATPM)
Metaphase, Anaphase, Telophase, Prophase (MATP)
Prophase, Metaphase, Anaphase, Telophase (PMAT)
Prophase, Metaphase, Telophase, Prophase (PMTP)
Answer:
PMAT
Explanation:
Answer:
I hope this helps! Can I have Brainliest plz :)
Explanation:
1. Write the equation for cellular respiration.
- Label the side with the reactants and the side with the products.
Answer:
C6H12O6+ 6O2 -> 6CO2 + 6H2O
Explanation:
Which of the following occurs at convegent plate boundares?
A subluction zone
B island arc
C mountain formation
D all of the above