Answer:
Mucus is a protective substance that's excreted from multiple areas of the body, such as the mouth, sinuses, throat, lungs, stomach, and intestines
Explanation:
Goblet cells produce mucus which traps dust, dirt and bacteria to prevent them entering the lungs. The major function of mucus is to protect the lung through mucociliary clearance against foreign particles and chemicals entering the lung.
3 examples of inherited variation in dragon fruit
Answer:
Dragon fruit, a kind of fruit belonging to Hylocereus spp., has brought about interest in China not only due to its important economic value with high contents of nutrients, but also due to the striking tolerance to drought stress. Fifteen morphological traits and 111 Inter-Simple Sequence Repeat (ISSR) markers generated from 16 primers were firstly employed to discriminate 50 accessions recently selected in China, as well as to evaluate their genetic relatedness. According to univariate statistical analysis of morphological traits, high variations were observed between or/and within the wild and cultivated lines. The dendrogram of 50 accessions was constructed based on morphological traits. Taking 7.50 as a threshold, three major clusters could be observed, i.e. the first included nine genotypes, which mainly belonged to wild accessions; the second clusters standing for the red pulp genotypes; the third consisting of the white pulp accessions. Each ISSR primer generated 4–10 obvious DNA bands ranging from 100 bp to 1500 bp, with the average of 6.9 per primer.
Dragon Fruit is found in Central America, Northern South America and some parts of Mexico.
There are three different types of Dragon Fruit which are its inherited variations.
Hylocereus undatus or piyata blanca which is pink or red skin having white flesh and black seeds.
Hylocereus costaricensis or piyata roja which is pink or red skin having red flesh and black seeds.
Hylocereus megalanthus or piyata amarilla which has yellow skin, white flesh and black seeds.
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climbing roots are found in ?
Answer:
Betle or Piper Betle
Explanation:
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11. What would happen to the squid population if the crab population increased? Why?
12. What would happen to the sea otter population if the crab population increased? Why?
13. What would happen to the carrying capacity (increase or decrease) if all of the producers
in the food web died? Why?
14. What would happen to the total energy availability of your ecosystem if sea urchin,
shrimp, and baleen whales increase? Why?
15. More shrimp move into the ecosystem. How will the additional shrimp affect the carrying
capacity of octopus in the ecosystem?
16. More shrimp move into the ecosystem. How will the additional shrimp affect the carrying
capacity of phytoplankton in the ecosystem?
The food web shows how organisms are interconnected in a feeding relationship and how changes in one organism's population affect other organisms.
What is feeding relationship?A feeding relationship shows how two or more organisms which interact together to obtain food are affected by changes that occur to either of the organisms in the relationship.
An example of a feeding relationship is one between the phytoplankton, the shrimp, the crab, the octopus, and the sea otter.
Phytoplankton are producersShrimp eat phytoplankton Crabs eat shrimps Octopus eat crabsSea otters eat octopusIf the crab population increased, the octopus population will increase due to availability of more food.
The sea otter population will increase if the crab population increased due to increase of individuals in the food chain.
The carrying capacity will decrease if all of the producers in the food web died because their will be no food to support the organisms in the food web.
The total energy availability in the ecosystem will increase if sea urchin shrimp, and baleen whales increase because increase in organisms.
The carrying capacity of octopus in the ecosystem will increase if more shrimp move into the ecosystem.
The carrying capacity of phytoplankton in the ecosystem will decrease if more shrimp move into the ecosystem.
Therefore, a food web shows how organisms are interconnected in a feeding relationship.
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A cube has a volume of 343 cubic centimeters. The length, width, and
the height of the figure are equal. What are the cube's dimensions?
Periodic table showing three rows. Row 1: boron (B), carbon (C), nitrogen (N), oxygen (P), fluorine (F), neon (Ne). Row 2: aluminum (Al), silicon (Si), phosphorus (P), sulfur (S), chlorine (cl), argon (Ar). Row 3: gallium (Ga), germanium (Ge), arsenic (As), selenium (Se), bromine (Br), krypton (Kr).
Which of the following elements has properties similar to S?
worth 60 points
Answer:
Oxygen and Selenium
Explanation:
Elements will have similar chemical properties if they have the same amount of valence electrons. Core electrons are not evaluated when comparing chemical properties.
Oxygen (O), Sulfur (S), and Selenium (Se) have 6 valence electrons each. They will have the similar chemical properties.
Organisms that obtain nutrients by breaking down dead and decaying plants and animals are called *
1. autotrophs
2. producers
3. decomposers
4. omnivores
Answer:
decompose
Explanation:
Classify to the kingdom level an organism that has organ systems, lacks cell walls, and ingests food.
Does photosynthesis take place in animals, plants, or both animals and plants?.
Animal cells do not undergo photosynthesis. Chloroplasts do not exist in animal cells. Chloroplasts are found in several unicellular eukaryotes, such as Euglena. They have both plant and animal traits.
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In order for our cells to metabolism N2 into 2NH3, a total of _____________ ATP is required.
We have the complete statement to be "In order for our cells to metabolism N2 into 2NH3, a total of 8 ATP's is required"
What is adenosine triphosphate ATP?Generally, The full meaning of the short form ATP is adenosine triphosphate, This is simply an energy-bearing molecule that can be found in the cells of living things.
In conclusion, We see that in the cell of humans, for our cells to metabolism N2 into 2NH3 we tend to use up at least eight adenosine triphosphate for the process
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3 A butterfly has a wingspan of 62 mm. Charlie is asked to draw the butterfly with a magnification of x 5. What should the wingspan be on Charlie's drawing?
a chemist takes a polysaccharide and turns it into many disaccharide. what reaction has the chemist performed and what must he add
Answer:
hydrolysis
Explanation:
Water must be added to break the bonds in a polysaccharide, in order to become disaccharides and eventually monosaccharides.
Polysaccharides are composed of long polymerics of the monomeric sugars joined by linkages. A polysaccharide can be converted into a disaccharide by adding water through hydrolysis.
What is hydrolysis?The hydrolysis reaction is the chemical reaction that involves the breaking of chemical bonds by adding water molecules. The water acts as a nucleophile that eliminates, substitutes, and performs another process to break the bonds.
The polysaccharides are made by linking the monomers of the sugar that can be converted into disaccharides by adding water to the reaction so that it breaks the linkages between the sugar molecules to produce two sugar molecule structures. The large molecules produce smaller molecules.
Therefore, polysaccharides can be converted into disaccharides by adding water.
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thermal is to heat as_ is to water
a.drain
b.waste
c.dilute
d.absorb
Answer:
absorb
Explanation:
Answer:
D.absorb
Explanation:
cuz i said so
The process of crossing over occurs in what phase of meiosis.
Answer:
A crossover happens in the first stage, or division in meiosis.
Explanation:
The crossing over is when the two chromosomes exchange segments with each other. To make sense of it, the parent's two DNA is mixing up to create the baby, so it makes sense to have that the first step, because you would not exist with your parent's DNA.
What are the advantages and disadvantages of slash-and-burn agriculture
What is the principal enzyme involved in dna replication.
Answer:
DNA polymerase
Explanation: :)
The enzyme joins nucleotides to synthesize a new two strand of DNA. DNA replication is called proofreads because each new DNA molecule is made up.
Please answer!!
What does the PRKN gene do in the body?
Answer:
it is a component of a multiprotein
Explanation:
it is unkown what this gene does in the body
If the primary structure of the protein is changed, what will happen to a) the secondary structure and b) the tertiary structure of the protein
Answer:
The primary structure refers to the amino acids in a protein molecule. Changing one of the amino acids can affect whether a protein will form alpha helices or beta sheets during folding. If alpha helices and beta sheets are changed, the interactions between amino acids along the length of the protein will be altered as well, leading to changes in the final 3D structure of a protein experiencing a primary structure change.
Explanation:
a) The secondary structure may be affected, and some secondary structural elements may be lost or altered.
b) The tertiary structure will likely be disrupted or changed, affecting the overall folding and 3D conformation.
Protein primary structure refers to changes in the linear sequence of amino acids that make up the protein chain. Because it dictates amino acid interactions and bonding, the fundamental structure is essential for secondary and tertiary structure creation.
a) Primary structural changes impact secondary structure. Hydrogen bonding between amino acids forms secondary structures like alpha-helices and beta-sheets. These relationships may be interrupted if the basic structure is changed, causing secondary structural components to lose or distort.
b) Primary structural changes can also affect tertiary structure. The protein molecule's 3D tertiary structure is governed by hydrophobic interactions, disulfide bonds, and van der Waals forces. Changes in the fundamental structure may disrupt these connections, leading the protein to misfold or lose its 3D shape.
Any protein primary structure mutation can cascade into higher-order structures, causing loss of function or altered biological activity.
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Wetlands help slow the process of erosion by trapping sediments. Please select the best answer from the choices provided T F.
Wetlands help slow the process of erosion by trapping sediments. This statement is true.
What do you mean by Wetlands?Wetlands are the areas where the soil contains an excess amount of water in it.
Wetlands generally function as normal sponges and gradually release the water outside in the soil. And due to this excess amount of water, soil gains its properties by trapping sediments that lead to the slow down of the erosion process.
Therefore, Wetlands help slow the process of erosion by trapping sediments.
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Answer:
True!
Explanation:
Why do some flowers have so many pollen grains and ovules?
Answer:
The underlying as- sumption is that larger pollen grains contain more nutrients than smaller ones, at least those that store starch, and this allows their pollen tubes to grow through deep stigmas that can not be traversed by pollen tubes from small pollen grains. Pollen number and duration of stigma receptivity.
Explanation:
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To pass freely through a cell membrane, a molecule must be
O A. small and polar
O B. large and polar
C. small and nonpolar
D. large and nonpolar
Answer:
here's your answer
option c. (small and nonpolar) is correct answer
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How are punnett squares used to predict the outcomes of genetic crosses.
Answer:
It will help determine the genetic of a offspring.
Explanation:
Chloe is developing a model of photosynthesis. The first part of the model is shown below. Which would be the MOST useful next step for Chloe to develop the photosynthesis model further?
A.) Extend the lines for sunlight so that they pass through the autotroph.
B.)Represent a chemical reaction in the autotroph that produces high-energy carbohydrates.
C.)Represent a chemical reaction in the autotroph that produces high-energy proteins.
D.)Draw a circle to represent a heterotroph, and draw a line to connect it to the autotroph.
Answer:
B, because logically, Photosynthesis takes sunlight (light energy), water(h20), and carbon dioxide( c02), and converts it into sugars (glucose / carbohydrates), and oxygen(o2). As D would be less necessary because humans and animals are not autotrophs and do not undergo photosynthesis to produce their own food. it is not the most necessary thing to label.
Rabbits were introduced into Australia over 100 years ago for hunting purposes. They have since become a serious pest to farmers. Rabbit populations have increased so much that they displaced many native species of plant eaters. What is the most logical explanation for their increased numbers?
Answer:
They do not have any natural predators to kill them.
Other than carbon dioxide name two carbon compounds found in plants.
Answer:
See below.
Explanation:
Other than Carbon Dioxide (CO₂), two carbon compounds found in plants are :-
Glucose (C₆H₁₂O₆)Pyruvic Acid (C₃H₄O₃)The Calvin cycle, C3 pathway, or 3-phosphoglycerate photosynthesis are all names for the method by which plants fix carbon. PGA is a 3-carbon molecule.
What is the function of carbon in plants?The reasoning is simple Plants require atmospheric carbon dioxide to make food, and as a result of increased CO2 emissions from industry and autos, some crops and trees will grow bigger and faster.
Carbon is continuously exchanged between plants and the atmosphere. During photosynthesis, plants take up carbon dioxide, much of which is then stored in their roots in grasslands, and forests.
Therefore, Glucose and phosphoglycerate are the two carbon compounds found in plants.
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domain.
a
Single-celled extremophiles that lack a nucleus would be classified in the
a. Eukarya
b. Bacteria
c. Archaea
Answer:
[C] Archaea
Explanation:
Single-Celled and lack a nucleus = prokaryotic organisms (that is, organisms whose cells lack a defined nucleus)
Most extremophiles are single-celled micro-organisms belonging to two domains of life – bacteria and archaea.
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why do people share there own experiences even if no one ever cares?
Describe the function of each organelle.
Vacuoles
Mitochondrion
Lysosomes
Cell membrane
Answer:
vacules- to hold waste prodcuts
mitochondrion- creates the chemical energy to power the cell's biochemical reactions
lysosomes- to break down excess or worn out parts of the cells
cell membrane- regulates what enters and exits the cell
How are the terrestrial and aquatic biomes alike and different?
Answer:
The differences in the biomes are due to differences in the abiotic factors, especially climate. Climate is the typical weather in an area over a long period of time. The climate includes the amount of rainfall and the average temperature in the region. ... Aquatic biomes , which are water-based, such as ponds and lakes.
Could a desert form at 45°N latitude?
Answer: No, deserts are found at 30 degrees latitude
Explanation:
Most of the world's deserts are located near 30 degrees north latitude and 30 degrees south latitude, where the heated equatorial air begins to descend. ... As moist air passes over a mountain range, it expands and cools, precipitating most of its moisture as it rises.
If one strand of DNA reads: ATGCTC, what must the complementary strand of DNA be?*
Answer:
TACGAG
Explanation:
The complementary base pair for adenine is thymine and the complementary pair for cytosine is guanine.