This is the science of genes, heredity and variation of organisms.
Answer:
It's genetics
Explanation:
Does the order of amino acids in a protein matter
Yes, the order of amino acids in a protein is crucial and significantly affects its structure, function, and stability.
Does the order of amino acids in a protein matterProteins are polymers composed of a specific sequence of amino acids linked together by peptide bonds. This sequence is encoded by the genetic information in DNA.
The linear arrangement of amino acids determines how the protein folds into its three-dimensional structure. The folding of a protein is driven by various interactions between the amino acid side chains, including hydrogen bonding, hydrophobic interactions, electrostatic interactions, and disulfide bonds. These interactions occur between different amino acids in the sequence, and they dictate the specific folding pattern adopted by the protein.
The three-dimensional structure of a protein is intimately linked to its function.
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The outdated term for infant-directed speech is __________.
The outdated term for infant-directed speech is motherese. Motherese refers to the simplified and exaggerated speech patterns that adults adopt when talking to infants and young children.
Explanation:The outdated term for infant-directed speech is motherese. Motherese refers to the simplified and exaggerated speech patterns that adults adopt when talking to infants and young children. It is characterized by a higher pitch, slower tempo, exaggerated intonation, and a simplified vocabulary.
Motherese is believed to serve an important role in language development by capturing the attention of infants and helping them differentiate speech sounds. It also facilitates bonding and social interaction between parents and infants.
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The outdated term for infant-directed speech is motherese, which involves simplified speech patterns and exaggerated intonation to help babies develop language and communication skills.
Explanation:The outdated term for infant-directed speech is motherese. This kind of language involves simplified speech patterns, exaggerated intonation, and repetition. These elements help babies develop their language and communication skills. For instance, infants can recognize their mother's voice and discern between familiar languages and foreign ones. They also show preferences for faces that align with the sound of spoken language.
Essentially, motherese aids in the early stages of language acquisition, from cooing to babbling and eventually to the formation of first words.
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When a predator eats its prey, all the energy from the prey is transferred into the biomass of the predator
A) true
B) false
Answer is B) false.
According to 10 % law of energy transfer, when a predator such as hawk eats its prey such as snake in a grassland ecosystem , only 10 % of the available energy of the prey (snake) is transferred into the biomass of the predator (hawk). Most of the remaining energy is lost as heat to the environment.
Rosemary had a stroke about a year ago and now she cannot understand what people are saying to her. this is embarrassing for her, so she responds using vague language and tries to make it appear as though she understands. which area of rosemary's brain was likely damaged by the stroke?
The area of Rosemary’s brain that was likely damaged by the stroke is the Wernicke’s area. This is the region of the brain that is important as they are responsible for language development in which this might have been the reason as to why Rosemary doesn't understand what are the people around her telling her.
Fungi are both beneficial and destructive. this fungus is living in and on the tree seen here. this is a ____________ relationship and could cause the tree to ______________.
a.helpful; grow
b.parasitic; die
c.helpful; make fruit
d.symbiotic; reproduce
Which anole species seems to have a brighter dewlap? (remember that 1 corresponds to least bright and 6 to brightest.)?
An electrocardiogram is prescribed for a client complaining of chest pain. the nurse recognizes which as an early finding of an infarcted area of the heart?
The branch of the autonomic nervous system that slows down the body as it recovers from exposure to a stressor is the _______________ nervous system
Answer:
Parasympathetic
Explanation:
Which of the following is an example of instrumental aggression?
A. cutting off another driver in heavy traffic
B. holding up a bank (bank robbery)
C. shoving another person during an argument
D. performing a headlock on an attacker
The right option is B.
holding up a bank (bank robbery)
Instrumental aggression is a form of aggression which is carried out as a
means of securing some reward or to achieve a specific goal. Holding up a bank
(bank robbery) is an example of instrumental aggression because it is done for a
specific goal which is to obtain
money, assets or other property owned or held by the bank.
Answer: Option B
Explanation:
Instrumental aggression can be defined as showing an aggression for achieving goals. It is made o achieve some reward or to achieve an external goal such as victory.
In case of bank robbery the people will achieve money( reward) which acts as a signal of victory for the robbers.
So, bank robbing is an example of instrumental aggression.
During which checkpoint do cell proteins determine whether growth factors that stimulate cells to divide are present
Which blood pressure readings for an adult would prompt a diagnosis of hypertension? a. 110/70 b. 140/96 c. 119/79 d. 130/79?
A bacterial population that has been growing for 15 generations began as a single cell. how many cells are present now?
1. Which of the following correctly relates an angiosperm structure and what it develops into? (1 point)
pollen grain → seed
ovary → fruit
embryo → fruit
ovule → fruit
2. The specialized reproductive structure that evolved most recently is the (1 point) seed.
cone.
ovary.
gametophyte.
3. In angiosperms, pollen grains are (1 point)
diploid, and are made when haploid gametes join in fertilization.
diploid, and are made when haploid gametophytes join in pollination.
haploid, and are made when haploid spores undergo mitosis.
haploid, and are made when haploid ovules undergo meiosis.
4. In what way is fertilization dierent in angiosperms than in other plants? (1 point) Unlike other plants, angiosperms require water for fertilization to take place. Angiosperms are the only plants to produce seeds aer fertilization takes place.
In angiosperms, a sperm fuses with an egg to produce a zygote.
Two fertilization events take place in angiosperms, producing a zygote and endosperm.
5. What is the purpose of a flower’s petals? (1 point)
to produce pollen
to protect the plant's seeds
to be attractive so more plants are planted by people
to attract animals that will pollinate the plant
Which organism is not included in domain archaea
a. cyanobacteria
b. methanogens?
Cyanobacteria is not included in domain archaea.
What are the characteristics of cyanobacteria?Cyanobacteria are phylum of gram-negative bacteria that obtain energy via photosynthesis. The name cyanobacteria refers to their color, which similarly forms the basis of cyanobacteria's common name, blue-green algae.
Cyanobacterial biomass can be used for the production of food, energy, biofertilizers, secondary metabolites of nutritional, cosmetics, and medicinal importance. Toxins from cyanobacteria can make animals very sick or even kill them.
Cyanobacterial biomass can be used for the production of food, energy, biofertilizers, secondary metabolites of nutritional, cosmetics, and medicinal importance.
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Describe how a sunshine recorder works
Answer:
A sunshine recorder is a device that records the amount of sunshine in a given area. This helps to determine information about weather and climate as well as the temperature of a geographical area.
Explanation:
copy and paste this ^^^^
100%
To promote shell formation in eggs ,what can be added to the diet of layers?
To promote shell formation calcium should be added more often the diet of layers. Calcium is an important mineral for egg shell quality. It is the main component of the egg shell which consists of 95% of calcium carbonate. Deficiency of calcium in the diet of layers may lead to the reduction in eggs size and also the production, poor egg quality with high chances of breakage and also an increased layer mortality.
If you know that a population is 75% the dominant phenotype and 25% is the recessive phenotype, can you determine approximately how many of the dominant phenotype are homozygous dominant and how many are heterozygous dominant? Try this mathematically
Describe the process of the mitotic spindle and microtubules throughout the steps of mitosis.
Microtubules form the mitotic spindle during Prophase, align the chromatids in Metaphase, pull them apart in Anaphase, and disappear during Telophase. They play a crucial role in chromatid separation.
Explanation:The mitotic spindle, composed of microtubules, plays a critical role in the stages of mitosis. In Prophase, the mitotic spindle begins to form, extending from the centrosomes which move to opposite ends of the cell. The microtubules also break down. In Metaphase, the spindle fibers from each centrosome connect to a kinetochore on each sister chromatid, aligning them along the middle of the cell. The microtubules then start to contract.
In Anaphase, the spindle fibers contract further, pulling the sister chromatids apart to opposite poles of the cell. Then, in Telophase, the spindle fibers disappear, and the cell begins to split in a process known as cytokinesis.
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Oswald avery showed that
a. cells missing protein and rna were able to transform r cells into s cells and kill mice, but cells missing dna could not.
b. cells missing dna were able to transform r cells into s cells and kill mice, but cells missing protein and rna could not. selected:
c. cells missing dna, protein, and rna were able to transform r cells into s cells and kill mice.this answer is incorrect.
d. cells missing dna, protein, and rna were not able to transform r cells into s cells and kill mice. 1/1 question 16
The process of using the information in mrna to synthesize protein is ___
The process of using the information in mRNA to synthesize a protein is known as Translation. It involves the decoding of the mRNA's codon sequence at the ribosomes to construct a protein from amino acids. The tRNA molecules bring the amino acids to the ribosomes.
Explanation:The process of using the information in mRNA to synthesize protein is called Translation. This is a fundamental step carried out at the ribosomes in cells during protein biosynthesis. The mRNA's role is to serve as a template for the assembly of amino acids into a protein structure. Each triplet on the mRNA, called a codon, correlates with a specific amino acid. The tRNA molecules transport the correct amino acids to the ribosomes based on the codon sequence. The ribosomes perform the complex task of binding to the mRNA and accurately matching each codon with its appropriate amino acid, forming the final protein product.
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which statement describes what most likely occurs when I Compass is placed next to a simple circuit made from Battery, a light bulb, and a wire
Why does the cell membrane of the tube worm atop the flow of excess salt into it's body?
In cats, blood type a results from an allele i(a) that is dominant over an allele i(b) that produces blood type
b. there is no o blood type. the blood types of male and female cats that were mated and the blood types of their kittens follow. give the most likely genotypes for the parents of the litter.
The student's question is related to the genetics of blood type inheritance in cats, where allele i(a) determines blood type A and is dominant over i(b), which determines blood type B. The human ABO blood type system is used for comparison, where A and B alleles are codominant and O is recessive. For a cat to have blood type A or B, potential genotypes are i(a)i(a) or i(a)i(b) for type A, and i(b)i(b) for type B.
The question pertains to understanding the genetics behind blood type inheritance in cats, with a specific focus on the alleles determining blood types A and B. The cat blood type system is slightly different from the human ABO blood type system, but it can be useful to understand the human system for comparison. In humans, the presence of ABO blood types arises from three alleles of the ABO gene: IA, which codes for the A antigen, IB, which codes for the B antigen, and i which is recessive and does not produce any antigen. A person with AB blood type has one allele of IA and one IB, displaying codominance, where both A and B antigens are present on the cell surface. For type A or type B blood, genotypes can either be homozygous dominant (IAIA or IBIB) or heterozygous dominant (IAi, IBi). Type O blood, which is not present in the cat system described in the question, requires two recessive alleles (ii).
Returning to the original question regarding cats, based on the dominance of the i(a) allele over the i(b) allele and the absence of O blood type in cats, the genotypic possibilities for blood types A and B in cats would be similar: i(a)i(a) (homozygous) or i(a)i(b) (heterozygous) for type A, and i(b)i(b) for type B. To deduce the most likely genotypes for the parents of the litter, information about the blood types of the kittens would be necessary to make informed predictions.
Vitamin e, vitamin c, and beta-carotene act as ________, which may reduce the risk of heart disease, cancer, arthritis, and alzheimer's disease.
Which families of metals are not so reactive, which allows them to exist by themselves in nature?
The answers are:1. Noble Gases,
2. The closer the element is to the noble gases the less reactive it is.Hope this helps !!! :)
Coordination by the nervous and endocrine systems results in
What organelle is labeled M?
If you hold a light tissue in your hands and gently blow across its top, the tissue will rise slightly because
The first genetic material on earth was probably ________. the first genetic material on earth was probably ________. dna produced by reverse transcriptase from abiotically produced rna dna molecules whose information was transcribed to rna and later translated in polypeptides self-replicating rna molecules oligopeptides located within protocells
The first genetic material on Earth was likely self-replicating RNA molecules, as postulated by the RNA World Hypothesis. The transition from RNA to DNA likely involved a primitive reverse transcriptase.
Explanation:The first genetic material on Earth was likely self-replicating RNA molecules. This idea forms the base of the RNA World Hypothesis, which suggests these molecules could have been the first carriers of genetic information. Unlike DNA, RNA can act both as a genetic material and as a biocatalyst due to its ability to adopt complex tertiary structures that can perform biological activities, similar to proteins.
It is believed that the transition from RNA to DNA could have been facilitated by the evolution of a primitive reverse transcriptase, converting the RNA information into more stable DNA.
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The first genetic material on Earth was most likely self-replicating RNA molecules, as proposed by the RNA world hypothesis. Over time, the more stable DNA started to replace RNA for the storage of genetic information, possibly through the action of early reverse transcriptases.
Explanation:The first genetic material on Earth was probably self-replicating RNA molecules. This idea stems from the RNA world hypothesis that proposes that RNA molecules could have been the first form of genetic material, prior to the evolution of DNA and proteins. This is because RNA, unlike DNA, has the dual functionality to both store genetic information and catalyze chemical reactions as enzymes do.
The experiments of Martha Chase and Alfred Hershey in 1952 provided proof that DNA was indeed the genetic material and not proteins. However, this does not contradict the RNA world hypothesis as it is believed that the more stable DNA eventually took over the role of genetic information storage from RNA.
One theory for the origin of DNA involves the role of retroviral reverse transcriptase. This enzyme converts RNA into DNA - a process known as reverse transcription. Therefore, it is proposed that DNA could have evolved from an RNA world through the action of these early reverse transcriptases.
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