Answers
Answer:
Microspheres are formed of proteins. It has been found that when an amino acid is permitted to get desiccated, then this amino acid produces proteins that in turn give rise to microspheres.
On the basis of the RNA world hypothesis, the first genetic substance was considered to be an RNA, and then later the DNA turned out to be the genetic substance of higher species during the passage of evolution. It was also believed that microspheres comprised encoded information within it, and at the time of the splitting of microspheres, this encrypted information may have got transferred to the upcoming generation.
Explanation:
Related Questions
Write any two characteristics of invertebrates.
Answers
Answer:
characteristics of invertebrates, namely:
- respiratory organs such as skin or trachea
- no spine
\(apollo110\)8 In sexual reproduction, an offspring is produced with genes from both parents. When the offspring has a new genetic variation that it got from neither of its parents, it is called. A. an automotive B. a mutation C. a recessive gene D. a phenotype
Answers
Answer: B
Explanation:
Mutations are changes in the DNA sequence that can lead to genetic diversity. Mutations are usually errors in DNA replication or mitosis.
Show the cross for a pure breeding short haired Guinea pig and a long haired Guinea pig.what is the genotype of the offspring ??
Answers
Answer:
let L= represent allele for long hair l= represent allele for short hairGenotype of offsprings will all have Ll that’s if the long haired Guinea pig is homozygous dominant for the traitbut,
Genotype of offsprings will be,Ll Ll ll and ll that's when the long haired pig is a heterozygous situationWhat is an amino acid?
Answers
Answer:
Amino acids are organic compounds that contain amino and carboxylate functional groups, along with a side chain specific to each amino acid.
Explanation:
Amino acids are small molecules that are the building blocks of proteins. Chemically, an amino acid is a molecule that has a carboxylic acid group and an amine group that are each attached to a carbon atom called the α carbon.
_____ are replacing electric wires in communications systems such
as telephone systems.
Answers
Answer:
modem are replacing electric wires in communications systems such
as telephone systems
Fiber-optic cables are replacing electric wires in communications systems such as telephone systems.
What is a fiber-optic communication system?Infrared light pulses are sent across an optical fiber in fiber-optic communication, a technique for conveying information from one location to another. Information is modulated into the light, which is a type of carrier wave. When long distance, high bandwidth, or immunity from electromagnetic interference are required, fiber is preferable over electrical cabling. Voice, video, and telemetry can all be sent across local area networks or great distances using this sort of communication.
Numerous telecommunications providers employ optical fiber to send cable television, internet, and phone signals. Bell Labs researchers have used fiber-optic communication to achieve a record bandwidth-distance product of more than 100 petabits per second. Optical fibers are employed as lasers for surgical procedures as well as light guides and to view images of organs using imaging devices.
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Which function is linear?
Answers
The function that is linear is (a) x/8-2.
What is function?In mathematics, a function is a rule that maps each element (input) from a set called the domain to a unique element (output) from a set called the range. A function can be thought of as a machine that takes an input and produces an output based on the given rule. The input variable of a function is typically denoted by a symbol such as x, and the output variable is denoted by a symbol such as y. The function itself is denoted by a symbol such as f, and the rule that relates the input and output is usually expressed using algebraic or other mathematical expressions.
Here,
In option (a), the coefficient of x is 1/8, which means that for every 1 unit increase in x, y decreases by 1/8 units. This constant rate of change satisfies the definition of a linear function. To be linear, a function must have a constant rate of change, meaning that as the input variable (x) increases or decreases by a certain amount, the output variable (y) changes by a constant amount.
Options (b), (c), and (d) are not linear functions because they contain a term with x raised to the power of 2 or -1, which causes the rate of change to vary depending on the value of x. Therefore, their rates of change are not constant, and they cannot be linear functions.
To check whether a function is linear, you need to determine whether it satisfies the criteria of a linear function. A linear function is a function that has a constant rate of change, meaning that as x increases by a certain amount, y increases by a consistent multiple of that amount. Mathematically, a linear function can be written in the form:
y = mx + b
where m is the slope (rate of change) of the line, and b is the y-intercept (the point where the line intersects the y-axis).
To check whether a function is linear, you can plot its graph and see if it forms a straight line. If the graph is a straight line, then the function is linear. However, if the graph is curved, then the function is not linear.
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Develop a hypothesis to explain why you think eurypterids developed legs even though they lived on the ocean floor.
Answers
I think that since it lives on the ocean floor, at the deepest of the ocean. So anyway, the fin on the Eurypterids is still necessary but not that much, since they live on the ocean floor. Their movements mostly on the ocean floor. So fin would not help them "stick" to the floor. Also there are still gravity acts on the Eurypterids and the feet would help them move faster. Hope this helps.
During a natural disaster, part of a plant was damaged. If the plant can no longer grow and produce new root cells, which part of the plant likely suffered damage?Question options:A) Root capB) XylemC) Apical meristemD) Phloem
Answers
Root damage
If a plant cannot grow and produce new root cells, the tissue that is damaged is the root apical meristem (option c), since it is the meristematic tissue whose divisions give rise to cells that, after differentiating, form the adult root tissues
Identify the structures labelled B in the diagram below. Study the slide of the pine female cone and label 1, 2, 3, 4 in the diagram below.
Answers
We have to consider that a cone, as a fruit, have differences and similarities, and we can name some of those similarities realizing that in the part number four, there's a channel or duct for the pollen to reach the female sexual cells of the plants, known as pollen tube. Also, we can name that in the part number 3 of the structure, there's the ovule of the cone, while the 1st one and the 2nd one are the seed scale, and a bract scale, respectively.
A woman is admitted to the hospital with Bell's palsy caused by an inflamed facial nerve. You are the attending physician. What symptoms do you observe? How do you test her facial nerve?
Answers
The Formation of the Universe: Tutorial
26 of 51 E Save & E
? Question
Drag the tiles to the boxes to form correct pairs.
As you've learned, different objects in space emit different wavelengths of electromagnetic radiation. Use the chart to match
each of the following wavelengths to the correct region of the electromagnetic spectrum.
10-
10
10.
1013
Increasing Frequency (v)
109
10
109 10 10" (Hz)
10"
1014
1012
1010
10
Y rays
X rays
UV
IR
Long radio waves
Microwave FM JAM
Radio waves
10 10
1
10
TO
10-12
10
110
10
10
100
10
10'
10
109
2 (m)
Increasing Wavelength 0) ►
Visible spectrum
100
700
500
600
Increasing Wavelength() in nm
Answers
Answer:
amazing snatch but angry? no!
Explanation:
busy and ni answers
Answer:
INFRARED= 7.7X10-5M
RADIO=16.3M
X-RAYS=4.66X10-9M
VISIBLE LIGHT= 5.33X10-7M
MICROWAVES=3.4X10-3M
Explanation:
nutrition subject
10 red flags for misleading claims :claim discuss, claim analysis and their source
Answers
The red flags or warning signs to look out for when evaluating nutrition claims are:
"Miraculous" or "magic" claims"One-size-fits-all" approach"Cure-all" claims"Quick and easy" weight loss promisesMisinterpretation of scientific studies"Secret" or hidden informationTestimonials as evidenceClaims based on a single studyConspiracy theories or distrust of set up authoritiesLack of credible sources or referencesWhat are the nutrition redflagsNutrition claims can be misleading or inaccurate. Be alert to red flags for misleading claims "Miraculous" or "magic" claims: A product or diet is described as a miracle cure or a magic solution for various health issues.
"One-size-fits-all" approach: Claim that a diet or product is suitable for everyone despite individual differences. Nutrition needs vary. Be wary of universal solutions claims.
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QUESTION 1
What percentage of infectious HBV carriers are asymptomatic?
A. 100%
B. 20%
C. 50%
D. 30%
Answers
Answer:
Symptomatology and transmission
The clinical manifestations of acute HBV infection are age dependent. Infants, young children (younger than 10 years of age), and immunosuppressed adults with newly acquired HBV infection are usually asymptomatic. [2] Older children and adults are symptomatic in 30%–50% of infections
Help please will give brainliest!!
Answers
American explorer, adventurer, and naturalist Roy Chapman Andrews (January 26, 1884 – March 11, 1960) was also the head of the American Museum of Natural History. He oversaw several excursions across the early 20th-century China's sociopolitical unrest into Mongolia and the Gobi Desert. The expeditions made significant findings and delivered to the museum the first-known fossil dinosaur eggs. Chapman became well-known thanks to the widely read books about his exploits.
With a land area of 500,000 square miles, the Gobi Desert is Asia's biggest arid region. The Himalaya mountains block rain clouds from reaching the Gobi Desert, which stretches from northern China into Mongolia. As a result, the desert receives an average of 7 inches of rain annually.
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A serial dilution is performed on a culture of Saccharomyces cerevisiae (Brewer's yeast). A 1:10 dilution was performed in series seven times. You plated and spread 100 microliters of the fifth dilution to a YEPD agar plate to grow overnight. After incubation, you count 142 colonies on the plate. What was the viable count of the stock culture
Answers
Answer: CFU/mL = 14200 CFU/mL
Explanation:
Microorganisms are very small and difficult to count directly. Instead, a laboratory technique is used to count CFUs (Colony Formation Units). This involves making dilutions of a microbial suspension and spreading it on thin layers of agar containing nutrients for growth in Petri dishes also called agar plates. After incubation under ideal conditions, some plates are completely covered with microbial growth; some have little or no growth; and some are covered with individual isolated "spots", which are microbial colonies. Since a colony may consist of a single organism or a group of microbes, the dots represent a CFU.
To calculate the viable count of the stock culture, you have to count the number of colonies, multiply by the dilution and the result will be the plate count in CFU.
So, the equation is:
CFU/mL = Number of colonies / (Volume trasferred to plate x dilution blank)
100 microliters = 0.1 mililiter
1/10 = 0.1 (dilution factor)
Replacing the information from the question:
CFU/mL = 142 / (0.1 mL x 0.1)
CFU/mL = 14200 CFU/mL
What structure is responsible for moving the chromosomes during cell division?
A. Nucleolus
B. Spindle Fibers
C. Nuclear membrane
D. Cytoplasm
Answers
Answer:
spindle
Explanation:
why dont u just google that?
What’s the typical lifespan of a tree
Answers
Answer:
The lifespan of trees varies widely depending on the species, from less than 100 years to more than 5,000 years. The average lifespan of trees is between 50 to 400 years. Some of the longest-lived trees are the bristlecone pine, the sequoia, and the black cottonwood. Some of the shortest-lived trees are the palms, the persimmon, and the black willow.
How do increases in human consumption of natural
resources impact the Earth
Answers
Answer:
The impact of so many humans on the environment takes two major forms: consumption of resources such as land, food, water, air, fossil fuels and minerals. waste products as a result of consumption such as air and water pollutants, toxic materials and greenhouse gases.
hope it helps
can you please answer it I need it now.
Answers
Temperature is not a weather instrument. This is because it is considered under the abiotic factor. Thus, the correct option is B.
What is a Weather instrument?A weather instrument may be defined as any appliance or device that measures weather-related conditions of a particular location at a given time.
Anemometer is used to measure wind speed and wind pressure. The thermometer is an instrument that measures the air temperature. Temperature refers to the hotness or coldness of the air. Weather is the condition of the atmosphere at any given time and place.Therefore, the correct answer to each question is mentioned above.
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What is the product of 1 2/3 and -3 1/2
Answers
Answer:
-5 5/6
Explanation:
So the same thing as the last question I answered, we have to multiply the top row and the bottom row. However, the fractions in the photo are actually mixed numbers so we first have to make them into improper fractions.
1 and 2/3 would be: 5/3
-3 and 1/2 would be: - 7/2
So now we have to multiply them: 5/3 * - 7/2:
Same steps: 5 * 7 = 35; 3 * 2 = 6:
- 35/6, or we could simplify and make it a mixed number so and also add the negative sign:
6 goes into 35 5 times so: -5 and 5/6 or -5 5/6
A disruption in a _________ species has a cascading effect on the ecosystem.
Answers
Answer:
endangered?
Explanation:
I think because if a species dies, it can effect the ecosystem
Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Answers
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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Which of the following is an indicator that energy has been transferred? Select all that apply.
An object speeds up or slows down
Smelling smoke, hearing a crackle
An object gives off noise, light, or heat
A child grows.
NEED HELP ASAP
Answers
Answer:
an object gives off noise, light or heat im think?
Need helpppppp! Plzzzzz
Answers
Answer:
near mid ocewn ridges
Explanation:
i learn that b*ith in 6th grade
Answer: The youngest crust of the ocean floor can be found near the seafloor spreading centers or mid-ocean ridges.
Explanation: As the plates split apart, magma rises from below the Earth's surface to fill in the empty void. Hope this helps! :)
complete the following diagrams of sexual life cycles by filling in the type of cell division, event, or cells. indicate whether the cell labeled i. in the bottom cycle is n or 2n
a. meiosis
b. fertilization
c. zygote
Answers
Here is the completed diagram for the sexual life cycle:
(a) Meiosis: i.2n; (b) Fertilization: Sperm + Egg → Zygote; (c) Zygote: i.2n
What is fertilization?Fertilization is the process by which two gametes (sperm and egg) combine to form a zygote, which is the initial cell of a new organism. This process usually takes place within the female reproductive system, and the sperm must navigate through the female reproductive tract to reach the egg. When a sperm successfully penetrates the egg, the egg's membrane changes to prevent other sperm from entering, and the genetic material of the sperm and egg combine to form a new cell with a unique genetic makeup. Fertilization is a critical event in sexual reproduction that leads to the formation of a new individual.
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9. If Seneca decides to walk across town to a store that is .95 kilometers away and
she has only 25 minutes to get there, what speed does she need to maintain in
order to reach the store on time?
Answers
Answer:
95k / 25mn = 3.8m/s
Explanation:
I did this this morning...but i'm not sure whether it's right or wrong.
Adaptive features of cat fish egg
Answers
Answer:
Hard shells, warm fur, and sharp thorns are examples of how an organism's form or body can adapt it for survival. These are called physical adaptations. A catfish has whiskers with taste buds. With this physical adaptation, the fish finds food that it can't see in the darkness at the Hudson's bottom.
This table shows the codons found in messenger RNA. Using this information, what sequence of nucleotides in the template strand of DNA could code for the polypeptide sequence Phe-Ser-Gln?
AAG-AGA-GTT
TTC-TCT-CAA
AAG-AGA-GUU
Answers
According to the table showing the genetic codons, the correct template strand of DNA coding for polypeptide sequence Phe-Ser-Gln is: AAG-AGA-GTT.
Genetic codons are a set of three nitrogenous bases that code for specific amino acids. Genetic codons are universal, that means the same set of triplet codes for the same amino acid in all the species of organisms. One amino acid can be coded by various codons but one codon can code only for one amino acid.
Template strand in DNA is the one that contains the information for transcription to form mRNA. It acts as a base for the mRNA to form. The sequence of the mRNA formed is complementary to the template strand.
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which of the following would be treated with techniques to lower the white cell count? which of the following would be treated with techniques to lower the white cell count? trypanosomiasis polycythemia chronic granulocytic leukemia malaria
Answers
Chronic granulocytic leukemia (CGL) would be treated with techniques to lower the white cell count.
CGL is a type of cancer that affects the white blood cells, specifically the granulocytes (a type of white blood cell that plays a key role in the immune system). One of the main characteristics of CGL is an overproduction of granulocytes, which leads to an abnormal increase in the number of white blood cells in the blood. This excess of white blood cells can cause various complications, such as an increased risk of infection, bleeding, and organ damage. Therefore, one of the main goals of treatment for CGL is to lower the white cell count, which can be achieved through chemotherapy, radiation therapy, or other techniques. Trypanosomiasis, Polycythemia and malaria are not treated with techniques to lower the white cell count.
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The bacterium Staphylococcus aureus belongs to which domain
Answers
Solution:
Remember that a domain is a taxon in the highest rank of organisms, higher than a kingdom. There are 3 domain classes, Bacteria, Archea, and Eukarya. Thus, the bacterium Staphylococcus aureus belongs to the domain
BACTERIA.