Answer:
The overall purpose of the light-dependent reactions is to convert light energy into chemical energy. This chemical energy will be used by the Calvin cycle to fuel the assembly of sugar molecules.
Explanation:
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the segment of the dna molecule where messenger rna synthesis begins is called the
How do rocks become igneous rock?
Answer:
Igneous rocks form when magma (molten rock) cools and crystallizes
Explanation:
So first when the sedimentary rock is formed and adds some heat pressure in which it turns to metamorphic rock, and after a long time heat + cool down which it will turn to igneous rock!
the step in kidney function in which fluid is forced out of the blood includes moving fluid __________.
Answer:
The step in kidney function which fluid is forced out of the blood is from glomerulus to glomerular capsule.
Explanation:
How to find recombination frequency.
Answer:
A test cross is required
Sperm cells have a whip like ____ to move them through a liquid.
Answer:
tail
Explanation:
Answer:
flagellum
Explanation:
a slender threadlike structure, especially a microscopic appendage that enables many protozoa, bacteria, spermatozoa.
Plzzzzz help meeee plzzzz
Answer:
The answer is true..
Yes, the presticides cause aquatic animals like fishes to die..
How many pairs of spinal nerves do you have?
Answer:
b. 31
Explanation: is correct
Protists are organized into the following six groups: Excavata, Chromalveolata, Rhizaria, Archaeplastida, Amoebozoa, and Ophisthokonta. What are these groups called
Answer:Major Groups of Protists
Explanation:
are environmental factors more likely to affect genotype or phenotype?
Environmental factors are more likely to affect phenotype than genotype.
Phenotype refers to the observable physical characteristics of an organism, a product of the genetic information contained in the genotype, in accordance with the conditions of the determined environment in which the organism lives.
The phenotype supposes the manifestation of the genotype based on the environmental factors, the traits expressed by the phenotype are behavioral and physical.Regardless of the genotypic information manifested, environmental factors will also shape the phenotype of an organism, since it can suffer accidents, changes or adaptations that a genetically similar individual but in another environment would not suffer.Therefore, we can conclude that the phenotype is the variable expression of a genotype in accordance with the environmental factors.
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identify the three types of symbiotic relationships and give an example of each in your answer be sure to describe the relationship
Answer:
mutualism, commensalism, and parasitism
Explanation:
mutualism, commensalism, and parasitism
Which two atoms form an ionic bond?
A.sodium and bromine
B. two sodium atoms
C. two oxygen atoms
D fluorine and chlorine
Answer:
sodium and bromine
Explanation:
The one valence electron from sodium would be transferred to the bromine atom so they can both have an octet.
Which two atoms form an ionic bond?
Answer : A
Explanation : Ionic bond is a type of chemical bond and binds the chemical molecules together. Ionic bond is formed by the transfer of electrons from an electropositive element ( metal) to the electronegative element (non metal).
Sodium is an electropositive element and contains one positive charge. Bromine is an electronegative element with a single negative charge over it. Sodium gives the electron to bromine and results in the formation of ionic bond.
Thus, the correct answer is option (C).
Hope this helps you!
Mitosis is a type of cell division. organize the images below to show the steps of mitosis.
(QUICK PLZ)
Answer:
i believe its the first
Explanation:
Identify the scenario that could potentially result in new combinations of DNA in the offspring of the individual.(1 point)
An error that happens during DNA replication in a cancerous lung cell during before mitosis.
Sister chromatids fail to separate during anaphase of mitosis in a heart cell.
Exposure to UV radiation causes a mutation in a skin cell that is repaired by the cell.
A pair of homologous chromosomes fails to separate during anaphase I of meiosis.
Answer:
A pair of homologous chromosomes fails to separate during anaphase I of meiosis.
The scenario could potentially result in new combinations of DNA in the offspring of the individual is a pair of homologous chromosomes fail to separate during anaphase I of meiosis. The correct option is d.
What is DNA?DNA is deoxyribose nucleic acid. The information molecule is DNA. It stores instructions for the production of larger molecules known as proteins.
These instructions are stored within each of your cells and are distributed across 46 long structures known as chromosomes. These chromosomes are composed of thousands of shorter DNA segments known as genes. During anaphase, I of meiosis, a pair of homologous chromosomes fails to split.
Therefore, the correct option is d, A pair of homologous chromosomes fails to separate during anaphase I of meiosis.
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Some fossil snakes have remnants of hip bones and legs even though these animals had no legs. These remnant structures are best described as:
Some fossil snakes have remnants of hip bones and legs even though these animals had no legs. These remnant structures are best described as: vestigial structures.
Vestigial structures are organic structures that do not appear to fulfill any important biological function in the organism that possesses them.
These structures are preserved as an inheritance of the evolutionary process, because at some point in the history of evolution an ancestor of the current species had that structure.These types of structures, which can be bones, organs, structures in the skin or any other part of the body, no longer offer any meaningful function for the body.The presence of vestigial structures in animals is considered proof that evolution and natural selection exists.
Therefore, we can conclude that some fossil snakes have remnants of hip bones and legs even though these animals had no legs. These remnant structures are best described as vestigial structures.
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! What landforms could be the result of diverging plates and name a location where this occurs?
Answer:
rift valleys and mid-oceanic ridges.
Explanation:
4. Use the atomic model below to answer the following questions: 1 pt for each blank
How many protons?
How many neutrons?
What is the name of this atom?
Answer:
for first 1 its 3 nuetros i think
a section of a dna molecule that controls the thumb is called a
Answer:
gene
Explanation:
You touch a hot pan when cooking. List out the steps, in detail, of the nervous pathway of the reflex that occurs. Include any sensory organs involved and the action of the reflex.
the largest and most numerous of the glial cells in the central nervous system are the
Answer:
The largest and most numerous of the glial cells in the central nervous system are the astrocytes
Explanation:
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In the citric acid cycle, the enzyme succinate dehydrogenase catalyzes a reversible reaction using FAD/FADH2 as an oxidizing/reducing agent. Which of the following statements best explains how the redox component of this reaction contributes to the reaction's ability to be reversible under cellular conditions?
A. FAD has no reduction potential when it is enzyme-bound.
B. FAD can be reduced by the sequential addition of one hydrogen at a time.
C. FAD/FADH2 is covalently bound to succinate dehydrogenase.
D. The change in the biochemical standard reduction potential is small.
The statement which best explains how the redox component of this reaction contributes to the reaction's ability to be reversible under cellular conditions is; Choice D: The change in the biochemical standard reduction potential is small.
Discussion:
A reversible process is one in which the system and environment can be restored to exactly the same initial states that they were in prior to when the process occurred, if we go backward along the path of the process.
However, the necessary condition for a reversible process is therefore the quasi-static requirement.The quasi-static requirement in this case is that the change in the biochemical standard reduction potential is small.Read more:
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As a result of an injury in gallbladder of a person, it had been removed surgically, which of the following processes can be affected by this? *
a. The removal of amino groups of proteins.
B. The digestion of carbohydrates.
C. The breaking down of peptide bonds of proteins.
D. The digestion of fats
Answer:
D
Explanation:
Is it True or false?
where does reduction occur in an electrolytic cell
Answer: The Cathode
Explanation:
Reduction always occurs at the cathode, and oxidation always occurs at the anode. Since reduction is the addition of electrons, electrons must travel toward the site of reduction. In an electrolytic cell the negative charge is on the cathode, while the positive charge is on the anode.
i hope this helps :)
Answer:
The Cathode
Explanation:
people are not allow to enter the Wild reserves why
Answer:
because it can be very dangerous depending on the animal
Explanation:
hope this helps
Answer:
Because in wild life reserve, endangered animals are protected. So, people are not allowed to enter the Wild reservers
An innate behavior
a. can change.
b. must be learned from parents.
c. is always present from birth.
. does not depend on learning or experi-
ence.
Answer:
A
Explanation:
Because people will not always stay the same people can change when they're ready
Which of the following snack foods is comprised mainly of carbohydrates?
Answer:
d. All of the above
Explanation:
1. How has the Exxon Valdez oil spill
impacted the environment?
Answer:
The oil killed and injured seabirds, sea otters, harbor seals, bald eagles, orcas and other wildlife. Eventually, oil from the spill affected more than 1,000 miles of Alaska's remote and rugged coastline.
Other Info That Might Help:
Image result for How has the Exxon Valdez oil spill impacted the environment? Environmental And Economic Impacts Prince William Sound had been a pristine wilderness before the spill. The Exxon Valdez disaster dramatically changed all of that, taking a major toll on wildlife. It killed an estimated 250,000 sea birds, 3,000 otters, 300 seals, 250 bald eagles and 22 killer whales.
Explanation:
I have answered This before and I got it right.
Hope this helps! :)
The structures outside the cranium and spinal column make up the _____ _____ nervous system, which is primarily composed of _____
Answer:
Make up the skull and composed of the brain
Explanation:
Ribosomes are the site where— are produced.
Amino acids are coded for by triplet bases in RNA called—.
Answer:
Ribosomes are the site where proteins are produced. Amino acids are coded for by triplet bases in RNA called codons
Explanation:
The concept of evolution by way of natural selection is a central tenet in biology that has been tested in numerous ways by many scientists. Evolution by way of natural selection is most likely which type of concept?
A. an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation
B. a likelihood based on the chance that a particular event will or will not occur during an experiment
C. a testable explanation or answer to a scientific question based on prior knowledge or research
D. a statement of fact that is accepted as true because it has always been observed to be true through observations and experimentation
Answer:
I know I am too late to help you, but I couldn't find an answer when looking for this question. I got it right and it is A. an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation.
Explanation:
Evolution by way of natural selection is most likely an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation. The correct option is A.
What is natural selection?Natural selection is the process through which organisms that are more adapted to their environment tend to survive and reproduce more than those that are not. Tree frogs, for example, are occasionally eaten by snakes and birds.
Evolution is a process in which living things or other evolve or change over time. Natural selection is also a reason for evolution, which takes a large amount of time.
Therefore, the correct option is A. an explanation of phenomena that can be accepted as true because it is supported by repeated observations and experimentation
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