classify the materials that undergo decay. write decay and non-decay in the space provided for 2) stick
Which statement is true?(1 point)
Hair color and IQ are examples of Mendelian traits.
Mendelian traits follows a normal distribution.
Mendelian traits are controlled by multiple genes.
Mendelian traits cannot be shown on a bell curve.
Answer:
A. Hair color and IQ are examples of Mendelian traits.
Explanation:
Answer:
Mendelian traits cannot be shown on a bell curve.
Explanation:
atp molecules provide energy for cellular activities by
Bacteria such as e. coli and salmonella produce invasins that bind host cells, thus causing the cells to:
Answer:
kill cells and tissues outright
Explanation:
Sometimes bacteria multiply so rapidly they crowd out host tissues and disrupt normal function. Sometimes they kill cells and tissues outright. Sometimes they make toxins that can paralyze, destroy cells' metabolic machinery, or precipitate a massive immune reaction that is itself toxic
Acrroding to http://needtoknow.nas.edu/id/infection/how-pathogens-make-us-sick/
What kind of fish is on the brink of commercial extinction?
Question 3 options:
Alaska Wild Salmon
The Pacific Cod
North Atlantic Salmon
South Atlantic Swordfish
what are known to swim near dolphins for protection?
Question 5 options:
cod
tuna
salmon
sharks
Answer:
The legendary humpback Mahseer, one of the worlds most iconic freshwater fish, is on the brink of extinction according to scientists from Bournemouth University in the UK
Explanation:
hope this helps I don't know Its correct answer
What are the nerve roots that are shaped like a horse's tail and that extend down from the end of the spinal cord?
Answer:
a. Cauda equina
Explanation: is correct
The use of biological processes to protect and repair the environment from negative human impacts is part of a growing area of biological applications called .
Bioremediation is that process which use the biological organisms to protect and repair the environment.
Bioremediation refers to the use of biological agents or processes in order to protect and repair the environment from negative human impacts. This phenomenon depends on stimulating the growth of specific type of microbes that utilize contaminants such as oil, solvents and pesticides as a sources of food and energy.
These microbes has the ability to use these harmful substances as a food and convert these contaminants into water as well as harmless gases like carbon dioxide so we can conclude that bioremediation is that process which use the biological organisms to protect and repair the environment.
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Which statement explains why ammonites are a good example of an index fossil?
Answer:
Ammonites existed only in the oceans.
Explanation:
Index fossils serve as a relative dating marker for geologic time periods and the rocks formed at those times. The fossils are of species that lived for only a short while, though that could be millions of years, and were widespread on the Earth. Ammonites are good index fossils for several reasons. First, they are easily identified by their spiral shells.
The statement explains why ammonites are a good example of an index fossil
Ammonites existed only in the oceans.
What is an Index fossil?
Index fossil are plants and animals which have been preserved in rock
surfaces over a long period of time and are usually characteristic of a
particular geographical location.
Examples of Index fossils include:
Ammonites Brachiopods, Graptolites NanofossilsTrilobitesAmmonites are animal fossils which are characteristic of the marine
environment.
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What molecule is the source of information for transcription.
DNA is the molecule, which is the source of information for transcription.
• During the process of transcription, RNA polymerase is an enzyme, which is accountable for copying a sequence of DNA into a sequence of RNA.
• The RNA polymerase monitors the phenomenon of transcription.
• At the time of transcription, the information is stored within a molecule of DNA, which is further copied into a new molecule of messenger RNA.
Thus, the correct answer is DNA.
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Which objects would cause refraction of light? (Select all that apply.)
prisms
magnifying glasses
wooden boxes
eyeglasses
Answer:
prisms
eyeglasses
Explanation:
i new the answer
have a great day ;)
a bacterium is infected with an experimentally constructed bacteriophage
The complete question is:
a bacterium is infected with an experimentally constructed bacteriophage composed of the T2 phage protein coat and T4 phage DNA. The new phages produced would have
A) T2 protein and T4 DNA
B) T2 protein and T2 DNA
C) a mixture of DNA and proteins of both phages.
D) T4 protein and T4 DNA
E) T4 protein and T2 DNA
A bacterium infected with an experimentally constructed bacteriophage will give new phages with the virus' DNA and the type of proteins that this DNA encodes.
A bacteriophage is a virus that attaches itself to a bacteria and uses it to replicate itself. Viruses have two main parts, a protein coat and their DNA inside it.
The experimentally constructed bacteriophage has one type of protein that makes the coat, the T2. This type of protein will allow the virus to attach and infect the bacteria. Once the virus attaches itself to the bacteria, it will introduce its DNA, T4 type, and use the bacteria elements to replicate it and create new phages.As a result, the new phages will have T4 DNA, and the proteins that the virus synthesizes will be the same type as the DNA.
In conclusion, The new phages produced would have D) T4 protein and T4 DNA.
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What does the nucleus do.
Where in the cell would you expect to find the greatest activity of the pyruvate dehydrogenase complex?
Answer:
Mithochondria
Explanation:
In eukaryotes, the pyruvate dehydrogenase complex, like the enzymes for citric acid cycle and oxidation of fatty acids, is located in the mitochondrion, where is associated with the surface of the inner membrane facing the matrix.
In the cell, mitochondria are the place where it expects to find the greatest activity of the pyruvate dehydrogenase complex.
What is the pyruvate dehydrogenase complex?The three-enzyme complex known as the pyruvate dehydrogenase complex (PDC) is responsible for pyruvate carbonylation, which converts pyruvate to acetyl-CoA.
This complex connects the glycolysis metabolic pathway to the citric acid cycle by allowing acetyl-CoA to be used to perform cellular respiration.
The enzyme pyruvate dehydrogenase catalyzes the reaction between pyruvate and a lipoamide, which yields acetylated dihydrolipoamide and carbon dioxide. The process requires the coenzyme thiamine pyrophosphate.
Therefore, the site where you find the greatest activity of the pyruvate dehydrogenase complex is mitochondria.
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what molecule makes instructions for proteins and is located inside a eukaryotic nucleus
Answer:
DNA stores that info
Explanation:
In eukaryotic cells (ex. plants and animals) the DNA is found in the nucleus of the cell. Structures called ribosomes build proteins (this process is called translation).
The molecule that is responsible for carrying the instructions for the formation of protein is mRNA, which is formed inside the nucleus.
The mRNA is known as the messenger RNA because it acts as a messenger, to carry the instructions required to create a polypeptide chain.
The mRNA is formed during the process known as transcription. The mRNA is formed by the molecule known as RNA polymerase.
During the process of transcription, the genetic information gets copied as a strand of nucleotides containing adenine, uracil, guanine, and cytosine, known as mRNA, which is formed inside the nucleus.
The molecule which act as a carrier of the genetic information for the formation of proteins is known as mRNA.
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Which of the following is the observed result of human exposure to a toxin?
I. Increased miscarriages
II. Gender imbalances
III. Increase in incidents of cancer
I, II, and III
II and III
I and III
I only
Answer:
| and |||
Explanation:
Gender Imbalances have nothing to do with exposure to toxin.
Body size in mice (length from nose to base of tail) is controlled in part by genetics. The following data shows the number of mice grouped by lengths:
Length Group Number of Mice
Very small (4-5 cm) 2
Small (5-7 cm) 6
Average (7-10 cm) 15
Large (10-12 cm) 7
Very large (12-13 cm) 1
Based on this data and your knowledge of inheritance patterns, identify the inheritance pattern that this trait follows in mice.
(1 point)
complete dominance
polygenic
incomplete dominance
pleiotropic
Answer:
polygenic!
Explanation:
Based on this data and your knowledge of inheritance patterns, identify the inheritance pattern that this trait follows in mice is polygenic.
What is Polygenic inheritance?Polygenic inheritance occurs when one character is controlled by two or more genes.
Often the genes are large in quantity but small in effect. Examples of human polygenic inheritance are height, skin colour, eye colour and weight.
Thus, option "B" is correct.
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What is the word for the skin having microscopic holes.
In regular alcohol consumers, lipids get accumulated in the liver and are stored as small droplets in liver cells and this condition is known as ________.
Answer:
Fatty Liver
Explanation:
What are the three types of posttranscriptional processing?.
Answer:
5' capping, addition of the poly A tail, and splicing.
Explanation:
I got it right on the test!!!! I hope this helps.
how can the h. pylori bacteria survive in the human stomach?
Answer:
To survive in the harsh, acidic environment of the stomach, H. pylori secretes an enzyme called urease, which converts the chemical urea to ammonia. The production of ammonia around H. pylori neutralizes the acidity of the stomach, making it more hospitable for the bacterium
Explanation:
Write a journal entry from the perspective of a particle of light, called a photon. Your story should follow the photon as it travels from a star in the Milky Way that is 25 light years away from Earth, all the way to the eye of a young person gazing up at the night sky through their bedroom window. Compose your entry in complete sentences. Be sure to answer these questions in your journal entry: • How long was the journey to Earth? • How fast did you travel? • Was your speed affected when you entered Earth’s atmosphere? If so, how? • Was your speed affected when you traveled through the glass of the window? If so, how? • What was the journey like to get to the retina?
Answer: i got your back
Astronomy (from Greek: ἀστρονομία, literally meaning the science that studies the laws of the stars) is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution. Objects of interest include planets, moons, stars, nebulae, galaxies, and comets. Relevant phenomena include supernova explosions, gamma ray bursts, quasars, blazars, pulsars, and cosmic microwave background radiation. More generally, astronomy studies everything that originates beyond Earth's atmosphere. Cosmology is a branch of astronomy that studies the universe as a whole.[1]
Astronomy is one of the oldest natural sciences. The early civilizations in recorded history made methodical observations of the night sky. These include the Babylonians, Greeks, Indians, Egyptians, Chinese, Maya, and many ancient indigenous peoples of the Americas. In the past, astronomy included disciplines as diverse as astrometry, celestial navigation, observational astronomy, and the making of calendars. Nowadays, professional astronomy is often said to be the same as astrophysics.[2]
Professional astronomy is split into observational and theoretical branches. Observational astronomy is focused on acquiring data from observations of astronomical objects. This data is then analyzed using basic principles of physics. Theoretical astronomy is oriented toward the development of computer or analytical models to describe astronomical objects and phenomena. These two fields complement each other. Theoretical astronomy seeks to explain observational results and observations are used to confirm theoretical results.
Astronomy is one of the few sciences in which amateurs play an active role. This is especially true for the discovery and observation of transient events. Amateur astronomers have helped with many important discoveries, such as finding new comets.
Explanation:
Name the following:
The cell that covers a large area and is broad and flat in shape.
Answer:
skin is the answer please and brainlest pleaaasssseeee
how are unicellular and multicellular organisms alike
Answer:
that they exhibit all the functions of life
Explanation:
Which type of interaction is described below? ________ interactions occur between individuals of two or more different species.
the number of phenotypes in a population is determined by
Answer:
The number of phenotypes produced for a given trait depends on how many genes control the trait.
Explanation:
Based on heredity, the number of phenotypes in a population is determined by the number of alleles for that triat as well as the nature of the alleles.
What is a phenotype?A phenotype is a physical expression of a gene.
The phenotype of an organism is influenced by the inherited alleles for that gene that an organism has.
Alleles are alternate forms of a gene.
Alleles may either be;
dominant,recessive, incompletely dominant or co-dominant.The phenotype of that organism will thus depend on the nature of the alleles of that gene or trait.
Therefore, the number of phenotypes in a population is determined by the number of alleles for that triat as well as the nature of the alleles.
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What evidence shows that biological molecules on earth form naturally?/What evidence shows that biological molecules on Earth form naturally?
THIS AIN'T BUILD A B-
What is the difference between chromosomes, chromatin, and DNA?
I
Answer:
A chromosome is a long DNA molecule with part or all of the genetic material of an organism. and I can't think of the other one sorry.
Explanation:
Plants obtain energy from
a. soil
c. anabolism
d. fertilizer
b. sunlight
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Answer:
Sunlight
Explanation:
Plants rely on the energy in sunlight to produce the nutrients they need. But sometimes they absorb more energy than they can use, and that excess can damage critical proteins. To protect themselves, they convert the excess energy into heat and send it back out.
The work of such researchers as Broca, Fritsch, Hitzig, and Ferrier demonstrated localized brain function, which was somewhat similar to the predictions made by ________.
The work of Broca, Fritsch, Hitzig, and Ferrier demonstrated localized brain function, which was similar to predictions made by phrenologists. Phrenology is a pseudoscience.
Phrenology is a pseudoscience aimed at measuring bumps on the skull to predict personality traits.
Eduard Hitzig and Gustav Fritsch demonstrated that electrical stimulation of specific areas of the cerebral cortex could trigger movement.
Broca's area is an area located in the frontal part of the left brain hemisphere discovered by Paul Broca, who observed how this area has a fundamental function for the generation of speech in humans.
Finally, David Ferrier was a neurologist who discovered a series of motor fields within the cerebral cortex of monkeys.
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Animals are helpless when their natural habitat is damaged by floodsor forest fires. What are the ways to prevent these from occurring sothat animals do not suffer?
Answer:
Obey local laws regarding open fires, including campfires, Keep all flammable objects away from fire, have firefighting tools nearby and handy, Carefully dispose of hot charcoal,
Drown all fires, Carefully extinguish smoking materials, do NOT use fireworks in heavily wooded areas, use in large, open areas with concrete flooring.
Explanation:
When does osteogenesis begin?
Answer:
a. When a fetus is 13-15 weeks old
Explanation: is correct