Answer:
It is described as a polar molecule because of an unequal sharing or electrons, causing the molecule to have a more bent shape.
Explanation:
Electrons are attracted a bit more to the oxygen and spend more time with them than the hydrogen.
how many species of marine amphibians are there today?
Answer:
8,000.
Explanation:
Nearly 90% are frogs.
Where must an mRNA attach before protein production can begin?
Answer:
to a Ribosome
Explanation:
mRNA is produced inside the nucleus of a cell according to the genetic information present in the DNA of the cell. this process is known as Transcription.
Then it's sent to ribosomal subunits in the cytosol through nucleopores. then it attaches to the ribosome. the ribosome reads the nitrogenous base sequence and pairs the tRNAs with complementary nitrogenous bases. (your answer is here, but if you want to know more, continue reading it.)
Each tRNA contains a tri-nucleotide that is collectively known as an anticodon which has the complementary bases of the relevant codon on the mRNA.
Each tRNA has captured a protein. the type of protein is determined by the sequence of the anticodon.
It means two tRNAs with two different anticodons cannot bring the same protein to the ribosome.
the Ribosome separates the proteins attached to tRNAs and links them as a chain.
the final result is a polypeptide chain. I explained to you the basic protein synthetic process.
image credit: Wikipedia
which organelle helps contribute to a plant cell’s ""boxy"" shape?
Answer:
Cell walls give the plant cells their boxy shape and provide support for tall upright structures like stalks and tree trunks.
Which of the following is an example of an r-selected species?
most insects
elephants
oak trees
whales
humans
Answer:
Examples of r-selected species include pest organisms, such as rodents, insects, and weeds.
Explanation:
Most of the insects are the R-selected species. Hence, the correct option is A.
What are R-selected species?These are the organisms having reproductive strategy that is characterized by high reproductive rate, short life span and numerous offspring with a low level of parental investment.
They are often found in environments that are unpredictable and change rapidly, and they are well adapted to these conditions because of their ability to produce numerous offsprings.
The large number of offspring increases the chances of survival for at least some offspring, even if the environment changes or if only a few survive. Examples-Certain insects, rodents, and some plants. Hence, the correct option is A.
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10. Below is the structure of octane, the major component of gasoline. What type(s) of
bond(s) is/are found in a molecule of octane? (Hint: Think of the shape of the molecule.)
Η
H
H
H
Η
Η Η
Η
Η
H-C-C-C-C-C-C-C-C-H
H
H
Η Η Η Η Η
Answer:
Covalent bond
Explanation:
The answer is covalent bond
A molecule of octane which is a component of gasoline contains covalent bonds.
Octane is a hydrocarbon compound, specifically an alkane, with the molecular formula C8H18. The structure you've provided illustrates the arrangement of carbon (C) and hydrogen (H) atoms in octane.
In octane, each carbon atom forms four single covalent bonds with other atoms (either carbon or hydrogen). Covalent bonds are formed when atoms share electrons to achieve a stable electron configuration. In the case of octane, carbon atoms share electrons with other carbon and hydrogen atoms to fill their valence electron shells, resulting in a stable and energetically favorable arrangement.
The structure of octane is a straight-chain alkane, with carbon atoms forming a chain and hydrogen atoms attached to the carbon atoms. The single covalent bonds between the atoms are represented by lines in the structural formula.
The shape of the molecule is determined by the arrangement of atoms and the types of bonds between them. In the case of octane, the single covalent bonds allow the carbon atoms to form a linear chain.
In conclusion, octane molecules are held together by covalent bonds, specifically single covalent bonds between carbon and hydrogen atoms. This type of bonding contributes to the stability and structure of the octane molecule, making it a major component of gasoline and contributing to its combustible properties.
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Question 6 (3 points)
Solve or answer the item.
The correct plural form of ovary is
Enter the answer.
Question 7 (3 points)
Solve or answer the item.
The abbreviation that represents as desired is
Enter the answer.
Answer:
Plural form of ovary is ovaries.
The abbreviation that represents as desired is ad lib
Poly sheets with ultraviolet light inhibitors last 10 to 12 years before they need
to be replaced
Answer:
Plastic is mostly decomposed by UV radiation, and it takes two years to more than 1 million years to decompose it. While many pure plastics cannot absorb UV radiation, the presence of catalyst residues and other impurities will often act as receptors
Explanation:
Hope this helps my G.
Somebody help me please
Answer:
I think it would be A
Explanation:
Sorry if its not
can anyone writet about describing ● History of Ribosomes.
Answer:
The ribosome is a complex molecule made of ribosomal RNA molecules and proteins that form a factory for protein synthesis in cells. In 1955, George E. Palade discovered ribosomes and described them as small particles in the cytoplasm that preferentially associated with the endoplasmic reticulum membrane. Along with other scientists, Palade discovered that ribosomes performed protein synthesis in cells, and he was awarded the Nobel Prize in 1974 for his work.
Each ribosome has a large component and a small component that together form a single unit composed of several ribosomal RNA molecules and dozens of proteins. The ribosome is responsible for translating encoded messages from messenger RNA molecules to synthesize proteins from amino acids. The ribosome translates each codon, or set of three nucleotides, of the mRNA template and matches it with the appropriate amino acid in a process called translation. The amino acid is provided by a transfer RNA (tRNA) molecule. Each newly translated amino acid is then added to the growing protein chain until the ribosome completes the process of protein synthesis.
in the adult digestive tract, where do lipases break fat into fragments so that it can be absorbed into the lymph?
As to the digestive tract, the function of the lipases would take place in the small intestine.
Lipase is an enzyme that helps us to metabolize fat. It does this through hydrolysis. Although in reality, as an enzyme, its main function is to catalyze this process. Lipases are the subclass enzyme of the esterases.
Lipases are necessary for the proper digestion and transport of fats in the form of lipids. They are also essential to process these lipids in the human body. This enzyme is present in most living organisms outside of humans.
Although lipase enzymes are produced throughout the body, the bulk of lipase production occurs in the pancreas. It will then travel to the small intestine to carry out its functions in the digestive tract.
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In the adult digestive tract, lipases in the small intestine break fat into fragments so that it can be absorbed into the lymph.
Fat digestion occurs efficiently and almost completely in the small intestine by pancreatic secretion of lipases.
Pancreatic lipase acts on triacylglycerides to give free fatty acids and monoacylglycerides.
First, they are absorbed by the epithelial cells of the intestinal wall called enterocytes, creating complex particles called chylomicrons, loaded with triglycerides.
Fatty acids are re-esterified within the enterocyte and enter circulation through the lymphatic pathway as chylomicrons.
Chylomicrons bind to lymph, which carries them to the bloodstream, this indicates the great importance of lymph in the process of assimilation of dietary fats.
Therefore, we can conclude that in the adult digestive tract, lipases in the small intestine break fat into fragments so that it can be absorbed into the lymph.
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during which stage of mitosis are chromosomes lined up in the center of the cell?
Answer:
metaphase
Explanation:
the chromosomes move to the central plane of the cell and arrange themselves at the spindle equator independently attached to the spindle fibres by their centromeres
Which of the following is true breeding plants if they are allowed to self pollinate a b or c
Answer:
C
Explanation:
Many organizations are sponsoring _____________ workshops and training to affect people's interactions in the workplace and establish a more positive working environment.
Question 41 options:
A)
Diversity
B)
Motivational
C)
'touchy-feely'
D)
Anthony Robbin's
Answer:
B
Explanation:
yes it B because to help in prove the workers to build now ideas
Which biome is likely to have the most species within a hectare of land?
A.tundra
B.chaparral
C.tropical rain forest
D.temperate forest
D. Tropical
Explanation:
Tropical rain forest
True or False: The pulmonary circuit allows deoxygenated blood to become oxygenated.
Answer:
true
Explanation:
trust me bro ya know whole lotta quick mafs
Explain a trend or pattern you observe in the graph?
Answer:
The heavier the hummingbird, the fewer times its wing will beat per second.
Explanation:
There is a negative slope in a graph respective to the components of the x and y axis. Therefore, heavier the hummingbird -> less beats per second.
Which process must occur for a muscle to be able to relax?
A. A nerve must initiate an action potential in the muscle fiber.
B. The amount of ATP in the neuromuscular junction must increase.
C. The concentration of calcium in the myofibril must decrease.
D. Myosin and actin must attach to each other.
Answer: C. The concentration of calcium in the myofibril must decrease.
I hope this helps.
Answer:
c
Explanation:
Relaxation occurs when stimulation of the nerve stops. Calcium is then pumped back into the sarcoplasmic reticulum breaking the link between actin and myosin. Actin and myosin return to their unbound state causing the muscle to relax.
NEED HELP ASAP PLEASEEE!!
Which item is NOT part of an effort to reduce health care workers exposure to hazardous chemicals?
A: protective storage
B: sterilization agents
C: pre-measured doses
D: needleless administration
Answer:
D: needleless administration
Explanation:
Answer: sterilization agents
Explanation:
Just the assignment
what can the enzyme sucrase break down?
Answer:
Sucrase is an enzyme that breaks sucrose down into glucose and fructose.
Explanation:
The bonds between the glucose and fructose molecules making up the disaccharide sucrose break due to the enzyme sucrase, and water is added as
H
and
OH
to the two molecules. This is called a hydrolysis reaction.
Hydrolysis is a chemical reaction in which water (hydro) breaks (lysis) a chemical bond in a dimer (two molecules bonded) and polymer (many molecules bonded) by adding
H
to one molecule and
OH
to the other molecule.
Somebody help me please
How long would it take to travel 2.5 million light years at the speed of light?
Answer:
2.5 million years
Explanation:
stomata are found on the surface of leaves and are important for
Answer: Filtering gas in and out of the plant.
Explanation:
The Stomata are like little mouths that open and close to let gas in or out, and can change the color of the leaves.
the __________ vertebrae articulate with the corresponding ribs.
Answer:
Each vertebra contains three points of articulation with ribs. The superior demifacet of a thoracic vertebra articulates with the corresponding rib (costovertebral joint). This rib articulates again with the costal facet on the transverse process (costotransverse joint). The inferior demifacet articulates with the rib below.
Explanation:
Which is abiotic ? ????
Answer:
Abiotic is something that is not alive
Explanation:
Abiotic is non-living
Biotic is a living organism
What are the two main functions of carbohydrates? Select two!
Answer:
Select any of the ones below! I hope this helps! Brainliest?? Anyways have a great day!:))
Explanation:
-Providing energy and regulation of blood glucose.
-Sparing the use of proteins for energy.
-Breakdown of fatty acids and preventing ketosis.
-Biological recognition processes.
-Flavor and Sweeteners.
-Dietary fiber.
Answer:
Explanation:
Ac
What are some of the ways that animals rely on plants? (Choose all that apply)
Animals rely on plants directly or indirectly for food.
Animals breathe the carbon dioxide released by plants after photosynthesis.
Animals use the plants’ chlorophyll to make their own food.
Animals breathe in the oxygen a plant expelled during photosynthesis.
Answer:
Animals breathe the carbon dioxide released by plants after photosynthesis. And animals use the plants’ chlorophyll to make their own food.
Explanation:
Animals breathe the carbon dioxide released by plants after photosynthesis is the way by which animals rely on plants. The correct option is B.
Thus, In the ecosystem of the Earth, photosynthesis is an essential process. It serves as the primary source of energy for plants, which are ultimately ingested by herbivores.
This energy is then transferred up the food chain to higher-level consumers.
Aerobic respiration, the mechanism through which mammals and other creatures produce energy by mixing oxygen with glucose, depends on the oxygen created during photosynthesis.
Thus, Animals breathe the carbon dioxide released by plants after photosynthesis is the way by which animals rely on plants. The correct option is B.
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Organelle s is most likely the ___________________.
smooth endoplasmic reticulum
rough endoplasmic reticulum
golgi apparatus
centrioles
Answer:
Answer is smooth endoplasmic reticulum
Explanation:
If you like my answer than please mark me brainliest thanks
as you are reading this question, the cells in your eyes are firing in response to the light coming from this paper. which type of neuron is carrying this message to the brain?
Answer:
sensory neuron
Sensory neurons are responsible for carrying the message or information from the sense organs such as eyes, ears, nose to the brain.
What are sensory neurons?Sensory neurons are the nerve cells which are activated by the sensory input from environment. The sensory input include touching a hot surface with the fingertips, the sensory neurons will be the ones that are firing and sending off signals to the rest of the nervous system in the body about the information they have received.
There are five common types of sensory neurons which include mechanoreceptors, thermoreceptors, nociceptors, electromagnetic receptors and chemoreceptors.
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explain the difference between a disaccharide and a polysaccharide
Explanation:
Dissaccharide is the combination of two mononsaccharide. Example: Fructose and Lactose x
Polysaccharide is the combination of more than one mononsaccharide. Example: Cellulose and Starch
10. Explain how both a population of moose and wolves in the same area could each affect the
size and distribution of the plant population in a community:
Answer:
Since moose are herbivores, they could cause a plant population to decrease in size.
Since wolves are carnivores and hunt moose, there would be less moose feasting on plants, so the plant population would be allowed time to grow back larger.
Depending on how many wolves there are to moose, the plant population will tend to vary.
For example: If the moose population is greater than the wolf population, there will be a smaller population of plants. On the other hand, if the wolf population is greater than the moose population, there will be a greater population of plants.
Hope this makes sense :)