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Answer:
The cell structures that best reveal evolutionary unity is the Plasma Membrane and DNA, which are the best cellular structures to study evolutionary unity.
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HELP ASAP!! ETA 2 MIN plsss
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What would the growth pattern of Clostridium sporogenes and Micrococcus luteus be in a thioglycolate medium?
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Answer:
Based on experiment, since that microorganisms are obligate anerobes, they will likely to accumulate or settle at the top of the medium since they are strictly living with the presence of oxygen or toxicated with no presence of oxygen.
Gnetophyta is considered as a linkage between gymnosperms and angiosperms based on a few characteristics found in Gnetophyta. State the characteristics.
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Answer:
Explanation:
Phylum Gnetophyta ✌
Distinguishing characteristics of the phylum Gnetophyta include the presence of both tracheids and vessels in their xylem tissue, a unique fertilization feature in which a tube grows from the eggs to unite with pollen tubes, and being the only division of gymnosperms that undergo double fertilization. Gnetophyta plants include trees, shrubs, or stumpy, turnip-like growth forms with simple leaves.
The phylum Gnetophyta consists of three genera of woody plants called Gnetum, Welwitschia and Ephedra. Although the three genera are all gnetophytes, they are highly specialized to their respective environments, which makes it difficult to identify similar characteristics.
Gnetum species are mostly woody climbers in tropical forests, although the best-known member of the group is a tree. Welwitschia includes one species, Welwitschia mirabilis. It only grows in the deserts of Namibia and Angola, and has two large strap-like leaves that grow continuously from the base throughout the plant's life. Ephedra plants are known as joint-firs because they have long slender branches with tiny scale-like leaves at each node. Ephedra is traditionally used as a stimulant. The plant and its derivatives are classified as controlled substances in many jurisdictions because of the high risk of addiction, harmful side effects and fatal overdoses.
What are the three main kinds of water biomes
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Describe the mechanism of glycolysis in detail
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The process of Glycolysis is a catabolic process in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .
Mechanism Of Glycolysis
The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol
Preparatory phase refers to the generation of two molecules of glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .
Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate .
Both the phases of glycolysis takes place in the cytoplasm and there are three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .
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Organic and inorganic Classify the following characteristics and examples of molecules depending on whether they are organic or inorganic Carbohydrates, lipids, proteins, and nucleic acids Contained in living organisms Sometimes contain carbon but do not contain C-H bonds Molecules made of a combination of elements Molecules that contain carbon and hydrogen bonds Water and table salts
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Answer:
carbohydrates, lipids, proteins, and nucleic acids)
Explanation:
i looked it up
Select the correct answer. Which of these periods contain elements with electrons in s, p, d, and f orbitals? A. periods 1–3 B. periods 1–4 C. periods 3–5 D. periods 6–7
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In the periodic table, the periods represent the horizontal rows. Each period corresponds to a different principal energy level, and the elements within that period have electrons occupying specific orbitals.The correct answer is D. periods 6-7.
In periods 1-3, the elements only have electrons occupying the s and p orbitals. The d orbitals are not filled in these periods. In periods 1-4, the elements still only have electrons occupying the s and p orbitals. The d orbitals are again not filled in these periods.
In periods 3-5, the elements continue to have electrons in the s and p orbitals. However, in period 4, the d orbitals start to fill up, specifically in the transition metals. So, this option is not correct.
In periods 6-7, the elements have electrons in the s, p, d, and f orbitals. The f orbitals are filled in the lanthanide and actinide series, which are found in periods 6 and 7 respectively. Therefore, this option is correct. Thus, the correct answer is D. periods 6-7.
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Review Part C Which of the following student-drawn chromosome models show a correct depiction of genetic information in a replicated chromosome? Select all that apply.
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The chromosomes part that show a correct depiction of genetic information in a replicated chromosome is in the 3rd image from the first picture and it is showing the image that is saying that is being shown in the diagram.
What is a replicated chromosome ?A replicated chromosome contains two identical double strands of DNA , the chromosomes that are joined at the centromere.
Chromosomes are coiled structures made of DNA and proteins. Chromosomes form after DNA replicates; prior to replication, DNA exists as chromatin. Chromosomes contain genes, which code for proteins.
Human cells normally is 46 chromosomes with two sets of chromosomes that is one set inherited from each parent.
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Which of the following has striations?
Pick one bellow:
A. Hypodermis
cardiac muscle tissue
B. Smooth Muscle tissue
C. Epidermis
D. Cartilage
Loose Fibrous Connective tissue
E. Epithelial tissue
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The correct option is Hypodermis cardiac muscle tissue.
The correct option is A.
Briefing:Because their cells are organized in bundles, cardiac muscles seem striated or striped. Striated muscle fibers are multinucleated as well as cylindrical in shape. When seen through a microscope, they seem striated due to the existence of alternate bright and dark bands. The only way to accomplish this is to train hard enough then to activate all of the fibers in that muscle, from deep within its belly to its most distant tie-ins.
What exactly is heart muscle tissue?The thick central layer of the heart is made up of cardiac muscle (or myocardium). It is one of three forms of muscle in the body, the others being skeletal and smooth. The epicardium (also known as the visceral pericardium) and also an inner endocardium surround the myocardium.
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What are the 8 characteristics of living things?
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Answer:
Order, sensitivity, response to environment, reproduction, growth and development, regulation, homeostasis, energy processing.
Which would be a result of a malfunctioning excretory system?
paralysis
memory loss
toxic buildup
difficulty breathing
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The excretory system has to do deal with excreting dangerous and harmful materials from our body
Answer:
toxic buildup.
Explanation:
The excretory system has to do with excreting perilous, harmful materials from the body. If it malfunctions, these materials stay in the body. Therefore, the result of a malfunctioning excretory system would be toxic buildup.
What kind of plants are we looking at here?
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Answer:i cant see the plant
Explanation:
Yessir
6. Understanding of the cell has changed over
time. Which explains why this has occurred?
A New scientific discoveries lead to new theories.
B Theories are redesigned every ten years as a necessity.
C The constantly evolving universe requires new theories to describe it.
D Larger number of scientists have opinions that must be incorporated.
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Answer:
A
Explanation:
Cell theory was first formulated by Schwann and Schleiden, but because of new and advanced technology some statements were replaced and some are added.
If you observed that the sperm of a bull could not fuse in a lab dish with the eggs of a cow, you would say that the bull and the cow showed
• hybrid inviability.
• gametic isolation.
• temporal isolation.
• hybrid infertility.
• ecological isolation.
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The correct answer is gametic isolation. the sperm of a bull could not fuse in a lab dish with the eggs of a cow.
Prezygotic barriers come in the form of gametic isolation. When the egg and sperm are discharged but a zygote is not created, gametic isolation occurs. The cell formed when an egg and sperm combine is known as a zygote. The word "gamete" describes reproductive cells like sperm and eggs. The separation between white sage and black sage is among the most known instances of mechanical isolation in plants. The two sage species can't interbreed because they depend on distinct pollinators, although having a similar geographic area.Geographical, temporal, reproductive, and behavioural isolation are a few examples. Two sets of creatures must be incapable of conceiving viable offspring in order for them to be regarded as different species.
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You are given a task to produce massive quantities of Protein A from soybean so that the Protein A can be added to a mixture to create a plant-based tuna. Since you don't have the land, labor, or experience in farming - you decide to accomplish this task entirely inside. Explain how you would fulfill your quota of 100 kg of Protein A.
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Producing 100 kg of protein A requires calculating the necessary amount of soy, calculating the necessary inputs, looking for related information, and supervising the process.
To produce 100 kg of protein A with soybeans, I must look for information related to the cultivation of soybeans, what is the protein concentration in a soybean, and other aspects necessary for its maintenance and harvest.
In this search, I find that soy has a protein concentration of 50% or higher, so if I have to get 100 kg of protein, I must get at least 200 kg of soy.
So I grow some soybean plants in pots inside my house and I harvest their grains until I complete 200kg, supervising the whole process so that the plant does not suffer any disease or problem.
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Using the 100x objective lens from question 6, you estimate 12 organisms could fit across the DFV if they were laid end-to-end and 30 could fit is stacked side-by-side. What is the length and width of this organism (in microns)?
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Answer:
Hi how are you doing today Jasmine
How was the rotation rate of Jupiter's core determined?
-by observing the Great Red Spot
-by watching lo move across the disk of Jupiter
-by radio observations of Jupiter's rapidly spinning magnetosphere
-by measuring the oblateness of Jupiter's disk
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Answer:
C. by radio observations of Jupiter's rapidly spinning magnetosphere
Explanation:
Jupiter refers to one of the planetary bodies in the solar system. It is considered to be the largest (twice as large or big as every other combined) planetary body and the fifth (5th) from the Sun.
Jupiter is a planet that rotates rapidly and as a result it is referred to as being noticeably oblate. It has the fastest rotation rate among the planets of the solar system because it completes a rotation about an axis in 9.9 hours.
The rotation rate of Jupiter's core was determined by radio observations of Jupiter's rapidly spinning magnetosphere.
What type of bond gives water its unique properties of adhesion and cohesion?Nonpolar covalentPolar covalentIonicHydrogen
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Answer:
The type of bond that gives water its unique properties is the hydrogen bond.
Whater is a polar molecule in which the hydrogen atoms have a partial positive charge and the oxygen atom has a partial negative charge. This allows the formation of hyfrogen bonds between the hydrogens of one molecule and the oxygens of another.
The 16s rRNA gene encodes an RNA that would be used as a component of the _________ during ____________.
a. RNA polymerase, transription
b. a protein, DNA replication
c. the ribosome, translation
d. tRNA, DNA replication
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The 16s rRNA gene encodes an RNA that would be used as a component of the ribosome during translation (Option c). It is a ribosomal RNA.
What are ribosomal RNAs?Ribosomal RNAs (rRNAs) represent fundamental components of the ribosomes, the protein factories of the cell.
Ribosomes play central roles during the process of translation by which an mRNA is used as a template to produce a polypeptide.
The 16S rRNA is a constituent of the bacterial small ribosomal subunit, which is used during translation.
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Label and explain the phases of Bacteria growth curve and their relation to generation time
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Log phase- Bacteria cells begin to grow as their growth enzymes are being activated here. Growth is maximum in this phase.
Steady/maturation phase- Growth rate equals death rate here. This arises due to the accumulation of toxins. Growth here is slow.
Diminishing phase. Here the death rate is more than the growth rate. With time, growth rate becomes nullified and the bacteria cells become non viable, that is, they die.
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How does a cell know when to divide, when to duplicate its chromosomes, or when to enter another stage of the cell cycle.
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A cell knows when to divide when to duplicate its chromosomes, or when to enter another stage of the cell cycle by communicating with each other using chemical signals from special proteins called cyclins.
Cells control their division by exchanging chemical signals via unique proteins called cyclins with one another. These signals function as switches that inform cells when to begin dividing and then when to stop.
A cell has to go through a number of checkpoints in order to transition from one stage of its life cycle to the next. Specialized proteins inspect each checkpoint to see if the required circumstances are there. If so, the cell can move on to the following stage.
In order for each new cell to include all of the necessary genetic information, the genes must also produce copies of themselves prior to cell division.
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Define the term organism
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Answer:
An individual animal, plant, or single-celled life form.
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is this correct please dont randomly answer. but answer if u know
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Answer:
dark colored forest with dark bark
Explanation:
since the population has gone down it shows the moths cannot blend in with their environment
Which of the following best illustrates evidence from comparative anatomy that
supports biological evolution?
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Explanation:
our ancestors turning into humans that have evolved today
Is crick and Watson a type of genetic test
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No, "Crick and Watson" is not a type of genetic test. Crick and Watson refer to James D. Watson and Francis Crick, who were scientists involved in the discovery of the structure of DNA. They proposed the double-helix structure of DNA in 1953, which provided the foundation for understanding genetic information and its role in heredity.
Genetic tests, on the other hand, are laboratory tests that analyze an individual's DNA or genes to provide information about their genetic makeup, potential genetic disorders, or predispositions to certain conditions.
These tests can be used for various purposes, such as diagnosing genetic disorders, predicting the risk of developing certain diseases, determining carrier status for genetic conditions, or providing ancestry and genealogical information.
While Crick and Watson made significant contributions to the field of genetics, they are not directly associated with genetic testing. Genetic tests are based on scientific advancements and technologies developed after their groundbreaking discovery of the DNA structure.
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2. How does temperature change in the troposphere?
A. It increases with height.
B. It decreases with height.
C. It increases and then decreases with height.
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Answer:
OPTION-A IS CORRECT
IT INCREASES WITH HEIGHT
Explanation:
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1. Segmentation first evolved in the organisms of phylum Annelida, and vertebrates evolved more recently. How does the vertebrate body plan display segmentation and what are some associated benefits
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Answer:
Segmentation is a part of characteristic of the body plans of various goup of animals including the annelids, and recently developed vertebrates. There are three different segmental systems origin in development of the vertebrates that are - the somites, the rhombomeres and the pharyngeal arches.
benefits of the segmentation development are -
Different type of anatomical and morphological developments are helps in facilitate specific functions are led by the segmented body.
Paraxial mesoderm also have segmentation that helps in lateral movement
It also helps in the consistent and fast interaction or communication in the neuronal system.
Which statement is true about body systems in an organism?
A Each system works independently.
B All systems perform the same life function.
C All systems work together to maintain health.
D Each system uses the same organs.
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Not all systems perform the same function or use the same organs.
All system works together to maintain the health of body systems in an organism.
How does the body system work together to maintain health?All of the body systems have to work together to keep healthy. Bones and muscles work together to support and move the body. Respiratory system takes in oxygen from the air. It also gets rid of carbon dioxide. The digestive system absorbs water and nutrients from the food you eat. The circulatory system carries oxygen, water, and nutrients to cells throughout your body. Wastes from the cells are eliminated by the respiratory system, excretory system, and the skin. The nervous system controls all these activities with electrical impulses. If any system does not work correctly, other systems will also get affected.Thus, we can conclude that option C is correct and that all systems work together to maintain health.
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Water is transpired through stomata, but carbon dioxide also must pass through stomata into a leaf for photosynthesis to occur. There is evidence that the level of carbon dioxide in the atmosphere has not always been the same over the history of life on Earth. Explain how the presence of a higher or lower concentration of atmospheric carbon dioxide would impact the evolution of stomata density in plants.
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Answer:
Escribir en español, por favor.?
During those high-carbon-dioxide times, plants that produce fewer stomata,
when carbon dioxide levels are low, plants need many stomata in order to scrape enough carbon dioxide to survive.
How does carbon dioxide affect water uptake?Plant water use, an increase in atmospheric CO2 means that stomata, or the pores on leaves that exchange gases between the leaf and the atmosphere, do not need to open.
Thus, carbon dioxide levels are low, need many stomata in order to scrape enough carbon dioxide to survive.
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the burning of coal to generate has been good in some ways and bad in others the electricity has allowed for an improvement in many areas of life but the burning of coal is also responsible for a great deal of pollution which activity helps solve the pollution problem through the use of new technology
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The burning of coal to generate has been good in some ways and bad in others. The electricity has allowed for an improvement in many areas of life but the burning of coal is also responsible for a great deal of pollution.
Pollution problem is solved through the use of new technology such as carbon capture and storage, high-efficiency, low-emissions coal-fired power plants, and renewable energy sources such as solar, wind, and hydroelectric power.Carbon capture and storage is a process that captures carbon dioxide emissions from sources such as coal-fired power plants, transports them to a storage site, and stores them permanently underground.
Carbon capture and storage technology is an important tool in reducing greenhouse gas emissions and mitigating climate change.High-efficiency, low-emissions coal-fired power plants are designed to produce electricity with less coal and fewer emissions than traditional coal-fired power plants. These power plants use advanced technologies to improve the efficiency of the combustion process and reduce the amount of greenhouse gas emissions produced.
Renewable energy sources such as solar, wind, and hydroelectric power produce electricity without burning fossil fuels, so they do not produce greenhouse gas emissions or contribute to climate change. These sources of energy are becoming increasingly popular as the technology advances and the cost of producing electricity from renewable sources continues to decrease.
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