a peptide bond . select one: a. forms the primary structure of proteins b. forms between the functional groups of different amino acids c. forms between the central carbon and the amino group of a single amino acid d. does not play a role in maintaining the tertiary structure of proteins
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The correct answer is C. A peptide bond is formed between the central carbon and the amino group of a single amino acid.
This type of bond is a covalent bond and helps form the primary structure of proteins, which are polymers composed of amino acids connected by peptide bonds.
The primary structure of proteins is important for maintaining their tertiary structure and providing proteins with their proper form and function.
It should be noted that peptide bonds are chemical bonds that link amino acids together by the loss of a water molecule to form polypeptide chains, which are the building blocks of proteins.
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Related Questions
How do humans use artificial selection to produce organisms with desired traits?
Plz help!
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Answer:
human used artificial selection to develop new organisms with desirable characteristics. Breeders select two parents that have beneficial phenotypic traits to reproduce, yielding offspring with those desired traits
DNA polymerase (protein) reads the original DNA strand, which serves as template for new DNA strands, and adds the corresponding DNA bases, AND DNA polymerase also checks for errors, proofreads and corrects “typos”, repairs mismatched bases and removes incorrect bases
DNA polymerase (protein) reads the original DNA strand, which serves as template for new DNA strands, and adds the corresponding DNA bases, AND DNA polymerase also checks for errors, proofreads and corrects “typos”, repairs mismatched bases and removes incorrect bases
False or True
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Answer:
WHICH OF THE FOLLOWING VEGETABLE PROTEIN FOOD CONTAIN ALL THE ESSENTIAL AMINO ACIDS A. GROUNDNUTS B. COWPEAS C. KIDNEY BEANS D. SOYA BEANS
Describe ways in which HIV can be transmitted
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Answer:
From mother to child.
Unprotected sexual intercourse.
Sharing of sharp objects.
Unscreened blood transfusion.
Contact with body fluid of an infected person
A researcher is examining the dna sequences of a group of mice. He notices that in one of the mice, one nucleotide pair is substituted with another in the part of the dna sequence that codes for fur color. However, despite the substitution, the mouse still has the same fur color as the other mice with the correct dna sequence. Why does this substitution of nucleotides in the mouse not change its phenotype, or physical characteristics?.
Answers
The mouse's DNA is entirely distinct from that of the other mice. When one DNA nucleotide in a gene's protein-coding region changes without changing the order of amino acids that make up the protein that the gene codes for, the change is called a silent mutation.
What does the mouse's nucleotide substitution not do?A mutation known as a silent mutation does not affect the amino acid and hence has no effect on how the protein functions. The replacement mutation in the fur color gene was a quiet mutation, therefore it had no effect on the final phenotype.
When is a DNA-based protein generated by a cell necessary?When a cell wants to synthesize a certain protein, transcription from DNA produces messenger RNA (mRNA).
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de que se encarga sistema nervioso
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which of the following is a characteristic of all angiosperms? which of the following is a characteristic of all angiosperms? double internal fertilization free-living gametophytes carpels that contain microsporangia ovules that are not contained within ovaries complete reliance on wind as the pollinating agent
Answers
Double internal fertilization is a characteristic of all angiosperms. Therefore, option A is correct.
What is double internal fertilization?Two sperm cells are used in double fertilization; one fertilises the egg cell to create the zygote, while the other fuses with the two polar nuclei to create the endosperm. Following fertilization, the fertilised ovule develops into a seed, and the ovary's tissues mature into a fruit.
A diploid embryo and a diploid endosperm are the products of double fertilization in angiosperms. An embryo that will eventually develop is created inside the seed during double fertilization. Moreover, an endosperm is created, serving as a source of sustenance for the developing embryo.
Thus, double internal fertilization is a characteristic of all angiosperms. Therefore, option A is correct.
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What subgroup of protists swims with one flagellum, are photosynthetic, and are common pond dwellers.
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Euglenoids subgroup of protists swims with one flagellum, are photosynthetic, and are common pond dwellers.
Euglenoids are a subgroup of protists that possess characteristics such as swimming with one flagellum and being photosynthetic. They are commonly found in freshwater environments, including ponds. Euglenoids have a whip-like flagellum that they use for locomotion, propelling themselves through the water. Additionally, they contain chloroplasts, which enable them to carry out photosynthesis and produce their own food using sunlight.
Euglenoids often have a characteristic elongated shape with a flexible outer covering called a pellicle. This pellicle allows them to change their shape as they move. They are typically green in color due to the presence of chlorophyll pigments within their chloroplasts. Euglenoids are considered mixotrophic organisms because they can switch between autotrophic (photosynthetic) and heterotrophic (absorbing nutrients from their environment) modes of nutrition depending on the availability of light and organic matter.
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WILL GIVE BRAINLESSYIST PLS HELP
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when a cancer cell divides which of the following types of cells does it produce
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Answer:
produces a new tumour
Explanation:
A new tumour can start to grow in the same area of the body where the cancer first started, or the cancer may have spread through the blood or lymphatic system to another part of the body, where it grows into a new tumour.
9. What genetic syndrome is shown in this picture?*
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Why do cells become cancer cells?
Answers
Answer:
the nucleus is the control center of the cell
What are the sense organs in the human body?
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Answer:
The sense organs in the human body are the eyes, ears, nose, tongue, and skin. The sense organs are the body organs by which humans are able to see, smell, hear, taste, and touch or feel. The five sense organs are the eyes (for seeing), nose (for smelling), ears (for hearing), tongue (for tasting), and skin (for touching or feeling).
(I'm so sorry if it's wrong)
Hope this helps!
Was John's hypothesis supported or rejected? Use data to discuss this. Which fertilizer worked the best? Explain your answer using data from your table. Which plant did not grow well? Explain your answer using data from your table. Describe how the investigation could be tested further.
Answers
a. John's hypothesis that organic fertilizer would make the plants grow taller was not supported.
b. the chemical fertilizer worked the best in promoting plant growth compared to the organic fertilizer and the absence of fertilizer.
c. The plant that did not grow well was the one without any fertilizer.
d. One can further test the investigation by increasing the sample size and repeat the experiment.
How do we calculate?a. Based on the data provided, John's hypothesis that organic fertilizer would make the plants grow taller was not supported but the plant with the chemical fertilizer grew the most.
b. The plant with organic fertilizer showed some growth but was consistently shorter than the plant with chemical fertilizer. The plant without any fertilizer showed minimal to no growth, indicating that fertilizer, whether organic or chemical, is necessary for optimal plant growth.
c. The plant that did not grow well was the one without any fertilizer as it had minimal growth throughout the observation period, with a final height of only 0.2 cm on day 10.
d. Increasing the sample size instead of using only one seed per pot, multiple seeds could be planted in each pot to account for individual variation and enhance the statistical reliability of the results.
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Complete question:ohn had a science fair project that he needed to do. He wanted to test the effects that organic and chemical fertilizers had on plant growth. John predicted that the organic fertilizer would make the plants grow taller. He used three pots, three of the same type of seed, soil, organic fertilizer, chemical fertilizer, water, and a ruler. John put soil in the pots. He added chemical fertilizer to the first pot, organic fertilizer in the second pot, and no fertilizer in the third pot. He then planted one seed in each pot. John had to water the pots daily. He also checked for growth and took measurements for a period of 10 days. He measured the height of the plants.Days No Fertilizer (cm) Chemical Fertilizer (cm) Organic Fertilizer (cm)1 0 0 02 0 0 03 0 0 04 0 0 05 0 0.5 06 0 1.3 07 0 1.9 0.38 0 2.2 1.69 0 4.5 3.210 0.2 5.2 3.8John made a data table to record his measurements.After the 10th day, John observed that the plant with the chemical fertilizer grew the most.Was John's hypothesis supported or rejected? Use data to discuss this. Which fertilizer worked the best? Explain your answer using data from your table. Which plant did not grow well? Explain your answer using data from your table. Describe how the investigation could be tested further.
Seeds can only be germinated in a presence of favorable condition
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Answer:
All seeds need water, oxygen, and proper temperature in order to germinate. Some seeds require proper light also. Some germinate better in full light while others require darkness to germinate. When a seed is exposed to the proper conditions, water and oxygen are taken in through the seed coat.
I can’t figure out the answer for these. Can someone help me please
Answers
Answer:
5_ liver
6_ A: left kidney
B: main vein to the blood carries cleaned blood .
C: main artery from heart carrier wasted blood
D: ureter .
7. the diaphragm
Explanation:
I’m
How is the sentence below BEST written?
Water satisfies your thirst even better then lemonade does.
change then to than
change your to you're
change satisfies to had satisfied
change better to more
Please help me
Answers
The sentence "Water satisfies your thirst even better then lemonade does." is best written as "Water satisfies your thirst even better than lemonade does." by changing then to than, option "A".
What makes a sentence a sentence?Sentences start with a capital letter, ends with either a full stop, question mark or an exclamation mark and has a subject and a verb. A sentence also contains a predicate.
Predicate are parts of the sentence that states what the subject is about. Sentences can contain conjunctions such as "than" used for comparison and as a preposition. The word "than" gives a better meaning to the sentence "Water satisfies your thirst even better than lemonade does."
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Answer: b
Explanation: your in summer school to
which vessel type is responsible for the diffusion of gases between blood and body tissues?
Answers
The vessel type responsible for the diffusion of gases between blood and body tissues is the capillaries.
Capillaries are the smallest blood vessels in the body and they have a thin, permeable wall that allows for the exchange of nutrients, waste products, and gases between the blood and the surrounding tissues. Oxygen and nutrients diffuse out of the capillaries and into the tissues, while carbon dioxide and other waste products diffuse from the tissues into the capillaries to be transported away.
The capillaries are located in close proximity to the cells of the body tissues, allowing for efficient diffusion of gases and other substances. The thinness of the capillary wall and the slow flow of blood through the capillaries further facilitate the exchange of gases between the blood and tissues.
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Fun fact
Bananas are curved because they grow towards the sun ☀️
Answers
Answer:
True
Explanation:
It's because of the sun! Bananas are curved so they can retrieve sunlight. Bananas go through a process called 'negative geotropism'.
Hope it helped! :)
That's a common myth, but the truth is a bit more complicated! Bananas are indeed curved, but it's not because they grow towards the sun.
Bananas are phototropic, meaning they do respond to light, but they don't necessarily grow towards the sun. In fact, most banana plants don't get direct sunlight because they grow under the canopy of larger trees in tropical forests.
The curvature of the banana actually comes from a process called "negative geotropism." When the banana plant is young, its flowers face upwards, towards the sun. But as the fruit begins to develop, it grows downwards, towards the ground. This is because the weight of the developing fruit pulls it downwards, while the plant's stem continues to grow upwards, in the opposite direction.
As the banana continues to grow and ripen, it becomes more curved due to a combination of gravity and the way the fruit pulp and seeds are distributed within the skin. So, while sunlight does play a role in banana growth, it's not the main reason why bananas are curved!
What is lab safety important
Answers
all you need is in the photo
Answers
Answer:
PROBALY C
Explanation:
1. Not all cells are the same. Each has a different function within an organism, and for different kinds of organism. How do these cells “know” what their role is?
2. From your answer in no. 2, can you relate to why organisms are different from each other?
Answers
The presence of DNA in the cell educates about its eventual role. The difference in organisms occurs because of their difference in the genes.
What are the functions of cell?
Cell is the building blocks of living organisms. They mostly helps in providing
Structure and supportGrowthTransportEnergy productionMetabolismreproductionDNA gives instructions to the cell through the DNA informing messenger RNA (mRNA) that is used in protein production. The transfer of information occurs through two processes transcription and translation.
The major difference between organisms is the genes. But monozygotic twins are genetically identical to each other they only differ in biological processes. Mutation is the process that changes the sequence of genes in DNA which made living organisms different. Another source is gene flow which is the movement of genes between different groups of organisms.
Hence DNA is the genetic material that instructs the role of cells and made organisms look different to each other.
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the broad portion of the leaf that carries out photosynthesis
Answers
Answer:
It is called the Blade
Explanation:
The blade is the broad part of a leaf that holds the green food making cells.
Mitochondria and chloroplasts have their own unique dna. Ribosomes in mitochondria and chloroplasts are similar to those in bacteria. Mitochondria are formed by binary fission. These statements together form the basis of what theory?.
Answers
Answer:
Endosymbiosis theory: the symbiosis of a free-living organism that eventually got trapped in eukaryotic cells
Explanation:
In a person that is engaged in moderate exercise the percent oxyhemoglobin saturation in tissues is found to be 57%. At that point, hemoglobin is unloading ______% of the oxygen in tissues.
Answers
Hi :)
Answer:
40% of the oxygen in tissues
hope this helps :) !!!
These plants have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. There is one type of spore, and the gametophyte generation grows outside of the spore wall. Which plant or plants am I describing? (SELECT ALL THAT APPLY) 000000000 Ferns Cycads Selaginella Lycopodium Conifers Ginkgo Hornworts Mosses Angiosperms 3 pts Liverworts
Answers
The correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
The plants that fit the given description are:
Ferns: Ferns have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Ferns produce one type of spore, and the gametophyte generation grows outside of the spore wall.Horworts: Hornworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Hornworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Mosses: Mosses have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Mosses produce one type of spore, and the gametophyte generation grows outside of the spore wall.Liverworts: Liverworts also have free-living gametophytes and free-living sporophytes. The sporophyte generation is dominant and larger than the gametophyte generation. Liverworts produce one type of spore, and the gametophyte generation grows outside of the spore wall.Therefore, the correct answers are: Ferns, Hornworts, Mosses, and Liverworts.
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pls help! im in a test rn Select the issues related to animal rights.
fur and leather production
space permitted per animal
antibiotics in feed
laboratory animal testing
social needs of confined animals
Answers
- Fur and leather production: This involves the use of animal skins for clothing and accessories, which raises questions about the ethical treatment of animals and the use of their bodies for human purposes.
- Space permitted per animal: This refers to the conditions in which animals are housed and the amount of space they are given to live in. Animal rights advocates argue that animals should be given sufficient space to engage in natural behaviors and avoid overcrowding.
- Laboratory animal testing: This involves the use of animals in scientific experiments and raises concerns about the ethical treatment of animals and the use of their bodies for scientific purposes.
- Social needs of confined animals: This refers to the social behavior of animals and the need for social interaction and companionship. Animal rights advocates argue that animals should be housed in ways that allow them to engage in social behaviors and avoid isolation.
Antibiotics in feed are more related to animal welfare and public health issues rather than animal rights specifically.
3,antibiotics in feed
4, laboratory animal testing
please answer this within the hour
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Each body cell in a human contains the same dna, but heart cells and liver cells have different functions. Why is this true?.
Answers
Even though they share the same DNA, the cells in a multicellular organism may express very diverse gene sets. The proteins and functional RNAs that make up a cell's unique collection of proteins are determined by the set of genes that are expressed in that cell.
Is every cell in a different person's identical human body made up of the same DNA?While the DNA in every human body cell is the same, the functions of the heart and liver cells are distinct. The genetic material in humans and almost all other species is called DNA, or deoxyribonucleic acid. The DNA of a person is almost same in all of their cells.
In a multicellular organism, various cell types differentiate from one another by synthesizing and assembling unique collections of RNA and protein molecules.
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Humans have between 20,000 and 25,000 functional genes. Alleles are different versions of the same gene. How do you think these different versions of the genes occurred?
Answers
Answer:
the many reproduction events
Explanation:
because when there has been many different generations they get more and more genes
_______and mucous work to trap dirt and germs
before we inhale.
Answers
Answer:
Cilia
Explanation: