4. A very large molecule consisting of many smaller structural units linked together
Chemical reaction
Macromolecule
Carbohydrate
Nucleic acid
Lipid
Protein
Answers
Related Questions
32. Cold air takes up ___________ space than warm air
Answers
Answer:
less
Explanation:
less
Which organelles of a cell possess their own DNA?
A.
lysosomes and plasma membrane
B.
mitochondria and chloroplasts
C.
the Golgi apparatus and ribosomes
Answers
Answer:
B.) Mitochondria and chloroplasts
Explanation:
Mitochondria and chloroplasts, in addition to nucleus, have their own DNA. Both organelles have the ability to create the proteins essential for their tasks. Enzymes are necessary for the proper functioning of these organelles. I hope this helps! ^-^
Answer:
mitochondria and chloroplasts
Can someone help please?
Explain how the adaptive changes in coat-color genes allowed mice to travel under the radar of hungry predators.
Answers
Answer:
This:
Explanation:
These adaptive changes help in ways best seen between desert mice and those who live in darker habitats. While desert mice often developed extremely light colored coats to blend best with the environment, mice who live in forest's or valleys often have darker coats to blend with foliage and trees. These coats that help camouflage with the environment protect mice in the open from being snatched by say a eagle or bird of prey. And mice who blend equally with foliage are protected more from ground predators like other small foxes or rodents
What bodies of water may be cold
Answers
Answer:
Flowing rivers and streams,Spring-fed bodies of water,Most open water except in tropical regions,
EVIDENCE OF EVOLUTION MATCHING
DIRECTIONS: Look up or Create your OWN examples for 4 of the categories of evidence. Be sure to include which category you are giving an example for, what the example is, and explain your
choice.
Answers
Answer and Explanations:
Fossil record: The fossil record provides physical evidence of past life on Earth. For example, the discovery of transitional fossils like Archaeopteryx provides evidence for the evolution of birds from dinosaurs.
Comparative anatomy: Comparing the anatomical structures of different species can reveal evolutionary relationships. For example, the pentadactyl limb (having five digits) is present in mammals, birds, reptiles, and amphibians, suggesting a common ancestor.
Molecular biology: Comparing DNA and protein sequences can reveal evolutionary relationships. For example, comparing the cytochrome c protein sequences in different species reveals a pattern of similarities that reflects evolutionary relationships.
Biogeography: The distribution of species across the globe can provide evidence for evolution. For example, the presence of similar marsupial species in Australia and South America suggests a common ancestor before the continents separated.
. population geneticists determined the genotypes of leopard frogs from a population in central kansas for a gene (m) that has three alleles (m1, m2, and m3). they found the following numbers of genotypes: m1 m1 20 m1 m2 45 m2 m2 42 m1 m3 4 m2 m3 8 m3 m3 6 a. is this population at hardy-weinberg equilibrium? show all your work and explain your answer.
Answers
No, this population is not at Hardy-Weinberg equilibrium. The main reason is that the observed genotype frequencies do not match the expected frequencies under Hardy-Weinberg equilibrium.
To determine if a population is at Hardy-Weinberg equilibrium, we compare the observed genotype frequencies to the expected frequencies based on allele frequencies. Under Hardy-Weinberg equilibrium, the expected genotype frequencies can be calculated using the Hardy-Weinberg equation:
\(p^2 + 2pq + q^2 = 1\)
where p and q represent the frequencies of the two alleles in the population (in this case, m1 and m2).
Let's calculate the expected genotype frequencies:
For m1 m1 genotype:
\(The expected frequency is p^2 = (p)(p) = (p)(1-p-q) = p - p^2 - pq\)
For m1 m2 genotype:
\(The expected frequency is 2pq = 2(p)(1-p-q) = 2p - 2p^2 - 2pq\)
For m2 m2 genotype:
\(The expected frequency is q^2 = (1-p-q)(1-p-q) = q - q^2 - pq\)
For m1 m3 genotype:
\(The expected frequency is 2pq = 2(p)(1-p-q) = 2p - 2p^2 - 2pq\)
For m2 m3 genotype:
\(The expected frequency is 2pq = 2(p)(1-p-q) = 2q - 2q^2 - 2pq\)
For m3 m3 genotype:
\(The expected frequency is q^2 = (1-p-q)(1-p-q) = q - q^2 - pq\)
To check if the population is at Hardy-Weinberg equilibrium, we need to compare the observed and expected genotype frequencies. If they are similar, the population is at equilibrium; otherwise, it is not.
Unfortunately, you haven't provided the allele frequencies (p and q), so it is not possible to calculate the expected genotype frequencies and determine if the population is at Hardy-Weinberg equilibrium.
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Population geneticists determined the genotypes of leopard frogs from a population in central Kansas for a gene (m) that has three alleles (m1, m2, and m3). They found the following numbers of genotypes: m1m1 = 20, m1m2 = 45, m2m2 = 42, m1m3 = 4, m2m3 = 8, m3m3 = 6. Is this population at Hardy-Weinberg equilibrium? Show all your work and explain your answer.
Which of the following does not require the use of ATP?
active transport
active transport
protein pumps
protein pumps
endocytosis
endocytosis
facilitated diffusion
Answers
Answer:
active transport
Explanation:
hope it helps you
Which of the following does NOT correctly match the macromolecule with 1 point
its examples? *
carbohydrates = glucose & starch
proteins = glucose, oils, & enzymes
nucleic acids = DNA, RNA, & ATP
O lipids = fats, oils, & waxes
Answers
Answer: there is some control over price in monopolistic competition
Explanation:
proteins = glucose, oils, & enzymes are not correctly match the macromolecule.
What are the types of protein structure?The Primary structure include the linear structure of amino acids which form polypeptide chain by peptide bond, a covalent bond.
Secondary structure of protein defines a local folded structures due to hydrogen bonding between the amine and carboxyl group of the of polypeptide chain.
These structure can be either α – helix structure which represents the polypeptide chain formed by twisting into a right-handed screw with the -NH group of each amino acid residue.
On the other hand, the β – pleated sheet structures consist of peptide chains are laid side by side together by intermolecular hydrogen bonds.
Tertiary Structure refers to folding of the secondary structure by H-bonds, electrostatic forces, disulfide bonds, and Vander Waals forces stabilize this structure.
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describe wether energy is transfered and how
Answers
Energy can be moved from place to place by moving objects or through sound, light, or electric currents. Electric currents can also be transferred from site to site; the currents may have been produced, to begin with, by transforming the energy of motion into electrical energy.
Out of the mouse, chicken frog, and zebrafish, which is
most distantly related to human beings?
Answers
Answer:
Zebrafish
Explanation:
Mouse, chicken, frog, and then zebrafish.
the exchange of parts between nonhomologous chromosomes is called _____.
Answers
The exchange of parts between nonhomologous chromosomes is called translocation.
Translocation is a chromosomal rearrangement that involves the transfer of genetic material between nonhomologous chromosomes. It can occur in two forms: reciprocal translocation and nonreciprocal translocation. In reciprocal translocation, segments of genetic material are exchanged between two nonhomologous chromosomes, while in nonreciprocal translocation, a segment of genetic material is transferred from one chromosome to another without reciprocal exchange.
Translocation can lead to significant changes in the genetic makeup of an individual. It can disrupt the normal functioning of genes, potentially causing genetic disorders or abnormalities. Translocations can occur spontaneously or be inherited from parents who carry balanced translocations, where the rearrangement does not cause any symptoms in the carrier but can be problematic when passed on to offspring.
Translocations have been implicated in several genetic disorders, such as certain types of leukaemia, Down syndrome, and infertility. They can also have evolutionary implications by introducing new gene combinations and potentially contributing to genetic diversity.
In summary, translocation refers to the exchange of genetic material between nonhomologous chromosomes. It can have significant consequences on gene function and can be associated with genetic disorders and evolutionary changes.
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The exchange of parts between nonhomologous chromosomes is called chromosomal translocation.
chromosomal translocation is the process in which parts of nonhomologous chromosomes exchange places during meiosis. Meiosis is a type of cell division that occurs in reproductive cells, such as sperm and egg cells, and is responsible for the formation of gametes.
During meiosis, homologous chromosomes pair up and exchange genetic material through a process called crossing over. This exchange of genetic material helps create genetic diversity in offspring. However, sometimes parts of nonhomologous chromosomes can also exchange places, resulting in chromosomal translocation.
Chromosomal translocation can have significant consequences. It can lead to the transfer of genes from one chromosome to another, potentially disrupting normal gene function. This can result in genetic disorders or changes in gene expression. Chromosomal translocations can be spontaneous, occurring randomly during meiosis, or they can be caused by environmental factors.
Overall, chromosomal translocation is the term used to describe the exchange of parts between nonhomologous chromosomes, and it can have important implications for an individual's health and development.
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What is the natural source of energy in Mars and how is created, fission of fusion?
Answers
Answer:
Fission and fusion are two processes that alter the nucleus of an atom. Nuclear fission provides the energy in nuclear power plants and fusion is the source of the sun's energy. The use of fission in power plants can help conserve fossil fuels.
Explanation:
what factors can affect the behavior of organisms that do not have a nervous system?
Answers
The factors that can affect the behavior of organisms without a nervous system include environmental factors, chemical stimuli, and physical stimuli.
Environmental factors: These are external conditions such as temperature, humidity, light, and the presence of predators or food sources. Organisms without a nervous system can still respond to these factors by altering their behavior, growth, or reproduction in order to adapt and survive in their environment.
Chemical stimuli: Organisms without a nervous system can detect and respond to chemical signals in their environment. For example, plants can detect the presence of nutrients in the soil and grow their roots towards these sources. Similarly, single-celled organisms can detect chemical gradients in their surroundings and move towards favorable conditions.
Physical stimuli: Physical stimuli such as touch, pressure, and vibrations can also affect the behavior of organisms without a nervous system. For instance, some plants are sensitive to touch and will respond by closing their leaves or retracting their tendrils. Single-celled organisms can also respond to mechanical forces, such as water currents, which can cause them to change direction or move towards a more suitable environment.
In summary, environmental factors, chemical stimuli, and physical stimuli can affect the behavior of organisms that do not have a nervous system. These organisms have developed various mechanisms to sense and respond to changes in their environment, allowing them to adapt and survive in different conditions.
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2. Besides invasive species harming our environment, they also harm our because governments often spend lots of money trying to control the invasive species. a. Economy b. Government c. Families d. Health
Answers
Answer: economy
Explanation:The economic and social impacts of invasive species include both direct effects of a species on property values, agricultural productivity, public utility operations, native fisheries, tourism, and outdoor recreation, as well as costs associated with invasive species control efforts.
Which of the of the following developments has led to industrial agriculture
that can feed many people with fewer farms? *
Training animals like mules to do farm work
Creating special breeds of plants that can take advantage of fertilizers and irrigation
Using ancient species of corn that do not require much work from farmers
Houses for chickens that people can easily build in their backyards
Answers
Answer:
Creating special breeds of plants that can take advantage of fertilizers and irrigation
Explanation:
With plant breeding, the needed characteristics of plants are developed by by altering the traits of plants in order to make better agricultural produce for animal and human consumption and to develop plant varieties with superior qualities including;
1) Stress tolerance to biotic and abiotic factors in crops that can withstand irregular irrigation and nutrient supply
2) Increased grain or biomass yield crop variety
3) Improved food tastes or nutrient concentration of specific food nutrients.
the molecular building blocks of life have been found astrobiology
Answers
Astrobiology is the scientific study of life in the universe, including its origin, evolution, distribution, and future. One of the most important questions in astrobiology is the origin of life, which involves the molecular building blocks of life.
These molecular building blocks are carbon-based compounds called organic molecules. They include amino acids, nucleic acids, sugars, and lipids. Amino acids are the building blocks of proteins. There are 20 different types of amino acids, and they can be arranged in different sequences to form a wide variety of proteins. Nucleic acids are the building blocks of DNA and RNA. DNA carries genetic information and RNA helps to make proteins. Sugars are the building blocks of carbohydrates. Carbohydrates are used for energy and structural support in cells. Lipids are the building blocks of cell membranes. Cell membranes separate the inside of a cell from its environment and control what enters and exits the cell. These molecular building blocks of life have been found in a variety of environments in space. For example, amino acids have been found in meteorites, comets, and interstellar dust. Nucleic acids and sugars have been found in meteorites. Lipids have been found in some meteorites and have also been produced in laboratory simulations of conditions on early Earth.
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a chronic inflammatory disorder of the sebaceous glands that occurs when hair follicles become plugged with sebum, dead skin cells and bacteria is called
Answers
a chronic inflammatory disorder of the sebaceous glands that occurs when hair follicles become plugged with sebum, dead skin cells and bacteria is called Acne.
What is a sebaceous gland and hair follicle inflammatory disease?
Hair follicles and sweat glands are affected by the chronic inflammatory skin condition known as hidradenitis suppurativa. This illness, also known as acne inversa, typically starts with the emergence of lumps on the skin that resemble pimples.
Age-related increases in the prevalence of the skin disease sebaceous hyperplasia. As a result of your sebaceous oil glands producing excessive amounts of oil, pimples may develop under your skin.
Acne, sebaceous hyperplasia, sebaceous adenoma, and sebaceous carcinoma are only a few medical diseases linked to sebaceous gland pathology. The human pilosebaceous unit is commonly affected by acne, a widespread, complicated, chronic condition that mostly affects adolescents and young adults.
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traits.
• List an example for each group of protists
Answers
In the span of several decades, the Kingdom Protista has been disassembled because sequence analyses have revealed new genetic (and therefore evolutionary) relationships among these eukaryotes. Moreover, protists that exhibit similar morphological features may have evolved analogous structures because of similar selective pressures—rather than because of recent common ancestry. This phenomenon, called convergent evolution, is one reason why protist classification is so challenging. The emerging classification scheme groups the entire domain Eukaryota into six “supergroups” that contain all of the protists as well as animals, plants, and fungi that evolved from a common ancestor (Figure 1). The supergroups are believed to be monophyletic, meaning that all organisms within each supergroup are believed to have evolved from a single common ancestor, and thus all members are most closely related to each other than to organisms outside that group. There is still evidence lacking for the monophyly of some groups.
The chart shows the relationship of eukaryotic supergroups, which all arose from a common eukaryotic ancestor. The six groups are Excavata, Chromalveolata, Rhizaria, Archaeplastida, Amoebozoa, and Opisthokonta. Excavata includes the kingdoms diplomonads, parabasalids, and euglenozoans. Chromalveolata includes the kingdoms dinoflagellates, apicomplexans, and ciliates, all within the alveolate lineage, and the diatoms, golden algae, brown algae, and oomycetes, all within the stramenopile lineage. Rhizaria includes cercozoans, forams, and radiolarians. Archaeplastida includes red algae and two kingdoms of green algae, chlorophytes and charophytes, and land plants. Amoebozoa includes slime molds, gymnamoebas, and entamoebas. Opisthokonta includes nucleariids, fungi, choanoflagellates, and animals.
Figure 1. This diagram shows a proposed classification of the domain Eukara. Currently, the domain Eukarya is divided into six supergroups. Within each supergroup are multiple kingdoms. Dotted lines indicate suggested evolutionary relationships that remain under debate.
The classification of eukaryotes is still in flux, and the six supergroups may be modified or replaced by a more appropriate hierarchy as genetic, morphological, and ecological data accumulate. Keep in mind that the classification scheme presented here is just one of several hypotheses, and the true evolutionary relationships are still to be determined. When learning about protists, it is helpful to focus less on the nomenclature and more on the commonalities and differences that define the groups themselves.
22. Highlight the correct answer of each underlined pair. UV radiation has shorter longer
wavelengths and
lower/higher energy than visible light and infrared radiation.
Answers
Answer:
shorter and higher
Explanation:
UV is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.
Identify the statement below that is true about chemical reactions. (1 point)
Endothermic reactions tend to increase the temperature of
their surroundings.
Exothermic reactions tend to release heat energy to the
surrounding environment.
Exothermic reactions have products with more energy
compared to the reactants.
Exothermic reactions do not require activation energy in
order to get started.
Answers
Answer:
Exothermic reactions tend to release heat energy to the
surrounding environment.
Explanation:
I remember it as ex in exothermic like as an explosion, which releases heat and energy
Exothermic reactions tend to release heat energy to the surrounding
environment is true about chemical reactions.
Exothermic reaction is the type of reaction which involves heat being
released to the surrounding environment. They also require activation
energy for the process to start.
Endothermic reaction involves absorption of heat from the surrounding
environment. This decreases the temperature of their surroundings.
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A protein has the following sequence: ser-his-thr-tyr. What component of protein structure is this?
Answers
The protein with the linear chain sequence ser-his-thr-tyr represents the primary structure of the protein.
Proteins are the biomolecules that are made up of amino acids as the monomers. Proteins are the most essential biomolecules as they are involved in all the processes of the living organisms. They have structural, enzymatic and various other roles.
The proteins is made up of four levels of structures: primary, secondary, tertiary and quaternary. Primary structure is the one where the proteins exists as a linear chain of amino acids linked together by peptide bond. The primary structure is most essential as it decides the fate of further structures and also the function of the protein.
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I thought benzoic acid was obtained from styrax benzoin since gum benzoin is obtained from it. any help here please.
Answers
Answer:
Yes you are right
Explanation:
hope it helps
Which of these is not a common feature for all life?
a. DNA is the hereditary material.
b. Living things adapt to their environment.
c. Living things breathe air.
d. Living things carry out a series of chemical
reactions known as metabolism.
Answers
Answer:
A
Not sure :-[ ^_^
............
Give five examples that may lead to treatment failure in
Animals. (25 Marks)
Answers
Answer:
Explanation:
Incorrect diagnosis
Inappropriate use of drugs
Drug-resistant pathogens
Lack of compliance by the pet owner (for example, not completing the full course of treatment)
Stressful conditions or poor general health of the animal
Keep in mind that these are only examples, and there may be other factors that can lead to treatment failure in animals.
what is Photosynthesis?
Answers
\(\huge\underline\fcolorbox{red}{pink}{♠AnSweR:-}\)
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities.
Ello...Energy from cellular metabolism is converted to ATP by respiring organisms. Place the following steps in the correct order. Events (5 items) (Drag and drop into the appropriate area) • Influx of Hthrough ATP synthase drives ATP • NADH and FADH are oxidized by electron transport proteins. • An electrochemical gradient of protons is established (Ap).
• Glycolysis and TCA cycle generate NADH & FADH. • Electron transport releases energy that is used to translocate H+
Answers
The process of converting energy from cellular metabolism to ATP in respiring organisms can be summarized in the order (4), (2), (5), (3), and (1).
1. Glycolysis and TCA cycle generate NADH & FADH₂: During glycolysis, glucose is broken down into pyruvate, generating small amounts of ATP and NADH. In the TCA (citric acid) cycle, pyruvate is further broken down, producing more NADH, FADH2, and a small amount of ATP.
2. NADH and FADH₂ are oxidized by electron transport proteins: The NADH and FADH₂ produced in the previous steps are oxidized by electron transport proteins located in the inner mitochondrial membrane. This process releases electrons that are passed along the electron transport chain.
3. Electron transport releases energy that is used to translocate H⁺: As electrons move through the electron transport chain, they release energy. This energy is used to pump protons (H⁺) across the inner mitochondrial membrane, from the matrix to the intermembrane space.
4. An electrochemical gradient of protons is established (Δp): The translocation of H⁺ across the inner mitochondrial membrane creates a significant electrochemical gradient, with a higher concentration of protons in the intermembrane space compared to the matrix.
5. Influx of H⁺ through ATP synthase drives ATP synthesis: The protons in the intermembrane space flow back into the matrix through a protein called ATP synthase. The movement of protons through ATP synthase provides the energy needed to synthesize ATP from ADP and inorganic phosphate.
In summary, the correct order of events for the conversion of cellular metabolism is: Glycolysis and TCA cycle generate NADH & FADH₂, NADH, and FADH₂ are oxidized by electron transport proteins, electron transport releases energy that is used to translocate H⁺, an electrochemical gradient of protons is established (Δp), and the influx of H⁺ through ATP synthase drives ATP synthesis.
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HELPPPPPPPP FASTTTTTTTTTTT NOWWWWW
7. Fill in the table below:
Original DNA strand
A
T
G
G
G
C
T
A
C
T
A
G
(a) Complementary DNA strand
(b) Complementary mRNA strand to DNA in line (a)
(c) Amino Acids that would be made from the mRNA in line (b)
Answers
Answer:
T
A
C
C
C
G
A
T
G
A
T
C
Explanation:
Each base is paired as follows in DNA:
A paired with T
T paired with A
C paired with G
G paired with C
The letters refer to the primary nucleic acid bases: adenine, cytosine, guanine, and thymine.
b) mRNA strand:
A
U
G
G
G
C
U
A
C
U
A
G
c) Amino Acid Table below! Remember to start from the 5' end of mRNA (toward the 3' end) at a 'start codon'. So read through until you find a group of 3 that make up a start codon, then end with a 'stop codon'. I have to go take a final exam, but you got this!!!
What nerves control diaphragm?
Answers
The phrenic nerves control the diaphragm.
The diaphragm, which is a muscular partition that separates the thoracic cavity from the abdominal cavity, is innervated by the phrenic nerves. The phrenic nerve controls the diaphragm, which is the primary muscle involved in breathing.The phrenic nerve begins at the C3 level of the cervical spine and runs downward through the neck and chest to supply the diaphragm muscle with nerve fibers.
It's a mixed nerve that contains both sensory and motor fibers. The motor fibers activate the diaphragm muscle, allowing it to contract and cause inhalation, while the sensory fibers send feedback signals from the diaphragm to the brain.
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__________ are chemicals that enhance urinary output. nitrogenous wastes countercurrent exchangers diuretics countercurrent multipliers
A) secretagogues B) countercurrent multipliers C) countercurrent exchangers D) diuretics.
Answers
Diuretics are chemicals that enhance urinary output. nitrogenous wastes countercurrent exchangers diuretics countercurrent multipliers.
Diuretics, sometimes water pills and Removes salt (sodium) and water from the body called Most of these drugs help the kidneys release more sodium into the urine. Sodium aids in the removal of water from the blood, therefore decreasing the quantity of fluid moving through your veins and arteries.
The nitrogenous waste products excreted by the kidneys are urea and ammonia. Diuretics increase urine output from the kidneys (that is, they promote diuresis). It does this by changing the way your kidneys use sodium. As the kidneys excrete more sodium, they also excrete more water.Diuretics make you pee more often, so take them preferably in the morning.
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A man and a woman both have blood type AB. What is the probability their child will be blood type B?
Answers
Answer:
25%
Explanation:
you can solve this with a punnett square as well :)