Answer:
540MIL0IAER
P
Explanation:
F
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Answer:
Bacteria have smaller populations, grow faster, and also share more genes compared to mammals.
Explanation:
Because bacteria reproduce quicker and are also in smaller populations, they can evolve quicker because more genes are shared which can be helpful. This is due to natural selection, which will affect bacteria more than mammals because their small populations will make natural selection more significant to be harmed by mutations and allow them to evolve.
24. Explain why water shortages occur frequently in
parts of New York State even though the water
supply is nearly constant. [1]
Answer:
Water is an essential element of life. Water is life and it has a lot of functions such as for drinking and other domestic purposes. There could however be water shortage in some parts of Nee York states as a result of country as a result of the effects of drought due to low amount of rainfall in the area.
There may also be issues with the various instruments which helps in the transport of water to homes which could also lead to the shortage.
Shortages occur frequently in parts of New York State even though the water supply is nearly constant as there are some issues with the water transport system and also low rainfall in some areas.
What is the way of water transportation?There can be several methods by which water transportation can be made easy.
Methods of transportation are included under three categories:
Aqueducts: it involves pipelines, canals, tunnels and bridges. Container shipment: it involves tank truck, tank car, and tank ship. Towing: it includes a tugboat is used to pull an iceberg or a large water bag along behind it.Shortages occur frequently in parts of New York State even though the water supply is nearly constant as there are some issues with the water transport system and also low rainfall in some areas.
Thus, this can be the reason behind water shortage in New York.
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How many children and adolescents with histories of maltreatment involving sexual abuse or combined sexual and physical abuse meet criteria for post-traumatic stress disorder (PTSD)?
Answer:
Exposure to child physical abuse and parents’ domestic violence can subject youth to pervasive traumatic stress and lead to Post-traumatic Stress Disorder (PTSD). The often repeating and ongoing nature of family violence exposure may result in youth exhibiting problems in multiple domains of functioning and meeting criteria for multiple disorders in addition to PTSD. These characteristics as well as unique factors related to
The following are examples of characteristics that can be inherited except
(a)intelligence (b) complexion (C) type of blood (d) shape of head (e) sex of the child
Answer:
sex of the child
Explanation:
Chemical equilibrium results if_____.
Answer:
what he said ^
Explanation:
i think...
Why do rocks on the ocean floor form a pattern of magnetized stripes?
Answer: D trust me on this
Explanation:
the rocks contain iron that points in different directions depending on earths polarity
The polarity of Earth affects the iron in the rocks, which points in various ways, so rocks on the ocean floor form a pattern of magnetized stripes.
How form a pattern of magnetized stripes?The idea of paleomagnetism, according to which the arrangement of the earth's tectonic plates depends on the iron present in magma, is one of the theories explaining seafloor spreading. The positive and negatively charged ions are represented by the stripes.
The magnetic strips, also known as magnetic anomalies, are identified by white and black strip patterns. They have ions that are positively and negatively charged. As a result, the magma magnetizes with the Earth's magnetic field when it emerges from the ridges.
Therefore, the polarity of Earth affects the iron in the rocks, which points in various ways.
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I need the answers to this question super quick!! Thank yoh
Answer:
They are "anti" condons or "stop" condons
Explanation:
During digestion fat is broken down into
Answer:
Lipase
Explanation:
Lipase enzymes break down fat into fatty acids and glycerol. Digestion of fat in the small intestine is helped by bile, made in the liver.
which organ of the body doesn't rest?
Answer:
Brain
Explanation:
It is always active, and regulates everything going through your body. Even when your asleep, it makes sure that the body is in the right temp, and that all the organs help stay safe.
Answer:
The brain!
Explanation:
The body rests during sleep, not the brain. The brain remains active, gets recharged, and still controls many body functions!
In rabbits, brown coat (B) is dominant to white coat (b). A rabbit breeder wants to know the genotype of his best looking male brown rabbit using a test cross. He has brown females and white females available to conduct his breeding experiments.
Required:
a. What should be the coat color of the female he must use in this test cross?
b. If the test cross produces seven (7) brown rabbits and one (1) white rabbit, what is the genotype of the brown male rabbit?
Answer:
a. white
b. Bb
Explanation:
A test cross usually involve crossing an individual whose zygosity is unknown with a homozygous recessive version of individual of the same species.
Brown coat (B) is dominant over white coat (b). Hence, there is no way to physically distinguish between a BB rabbit and a Bb rabbit because both of them will be brown. A bb rabbit however will be white in appearance.
A test cross would therefore involve crossing the brown male rabbit with bb (white) rabbit.
Assuming that the genotype of the brown rabbit is BB, all the progeny will be brown as shown by the cross below.
BB x bb
Bb Bb Bb Bb
In order word, assuming the genotype is Bb, some of the offspring will appear brown while some will appear white.
Bb x bb
Bb Bb bb bb
Hence, the only way the test cross would produce white offspring is if the genotype of the brown rabbit is heterozygous, Bb.
In experiment #2 you are asked to use the scientific method to develop and execute a method of separating a mixture of sand, salt and iron pellets. Imagine you are in a lab and notice that a plate of bacteria grow faster in the presence of sunlight. After that single observation, you come to the conclusion that sunlight causes bacteria to grow fast. What would be the next step in the scientific method for this experiment?
Answer:
1. separation can be done with help of magnetic bar and filtration.
2. the next step will be testing the hypothesis.
Explanation:
1. Separation of iron pellets from sand, and salt first
Use a magnet
Due to magnetic force iron pallets will attach with it and separation will occur from sand and salt.
After separation of iron pallets, add water to mixture of sand and salt and heat until salt get dissolved then filter the salt water.
This will help in separating all three components of mixture to separate.
2. Bacteria growth
Hypothesis must be tested-
In this case a hypothesis and conclusion is represented. Conclusion is provided that in presence of sunlight growth of bacteria is faster. So the hypothesis must be verified by scientific experiment to be a valid theory by measuring or monitoring growth in presence of sunlight.
Why is axon covered in insulated sheath?
Answer: Myelin Sheath. The Myelin Sheath of a neuron consists of fat-containing cells that insulate the axon from electrical activity. This insulation acts to increase the rate of transmission of signals. A gap exists between each myelin sheath cell along the axon.
Explanation:. Myelin can greatly increase the speed of electrical impulses in neurons because it insulates the axon and assembles voltage-gated sodium channel clusters at discrete nodes along its length. Myelin damage causes several neurological diseases, such as multiple sclerosis.
Answer:
Myelin Sheath. The Myelin Sheath of a neuron consists of fat-containing cells that insulate the axon from electrical activity. This insulation acts to increase the rate of transmission of signals. A gap exists between each myelin sheath cell along the axon.
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Explanation:
the brain is located in the ______ cavity?
Answer:
cranial Cavity
Explanation:
The brain occupies the cranial cavity, which is lined by the meninges and which contains cerebrovascular fluid to cushion blows.
A 45 year old man had coronary artery stents placed 2 days ago. Today, he is in severe distress and reporting crushing chest discomfort.
Answer:
idk man
Explanation:
Which of the following is made of microcrystalline quartz? Group of answer choices A.dolostone B.gypsum C.chert D.coquina
Each phospholipid is made up of:
A. Two phosphate groups and one fatty acid chain.
B. A phosphate group and two fatty acid chains.
O
C. A phosphate group and a fatty acid chain.
O
D. Two phosphate groups and two fatty acid chains.
Answer:
The correct answer is B. A phosphate group and 2 fatty acid chains.
Explanation:
A P3 X
Each phospholipid is made up of a phosphate group and two fatty acid chains. The correct option is B.
What are phospholipids?Phospholipids are lipids that have two types of edges. It has a hydrophobic tail and a hydrophilic head. The plasma or cell membrane, according to the fluid mosaic model, comprises substances like proteins and phospholipids.
A phosphate head and a fatty acid (lipid) tail make up the phospholipid layer, also known as the phospholipid layer, which is formed by the phospholipid.
Small molecules like oxygen gas can diffuse through the phospholipid layer, which facilitates the passage of small molecules but not larger ones. Biological membranes are formed by two lipid layers, proteins, and glucans.
Therefore, the correct option is B. A phosphate group and two fatty acid chains.
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what type of epithelium has dome shaped on the apical surface?
Answer:
Transitional epithelium has dome shaped cells on the apical surface.
Answer:
Transitional epithelium
Transitional epithelium has dome shaped cells on the apical surface. Pseudostratified epithelium is a type of epithelium that has cells which all touch the basement membrane. Pseudostratified epithelium is only one cell layer thick.
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Explanation:
Where does the Energy from plants originally come from?
Answer:
In plants, these energy factories are called chloroplasts. They collect energy from the sun and use carbon dioxide and water in the process called photosynthesis to produce sugars. Animals can make use of the sugars provided by the plants in their own cellular energy factories, the mitochondria.
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Explanation:
. Why did Jim decide to move his lab to New York? a) he wanted to be near where the trials were occurring b) he wanted to be closer to his family c) the pharmaceutical company demanded it
Answer:
a) he wanted to be near where the trials were occurring
Explanation:
hope it helps .
You have isolated a new mutation in the T4 bacteriophage rII A gene and you map its location within the gene by recombination frequency. You find that this new mutation fails to give wild type recombinants with several different adjacent mutations located in the same gene. What type of mutation is this new one you just isolated
Answer:
A lethal mutation, thereby the resulting phenotype is not observed .
Explanation:
Lethal mutations are the result of genomic changes that may be lethal in certain conditions. In genetic research, this type of mutation has shown to be very useful in analyzing gene function (i.e., genes whose protein products are key for the survival of the organism in question), and they are perfect gene markers. In bacteriophages, for example, temperature-sensitive mutants of phage T4 that can not grow at temperatures higher 42°C have been identified (Edgar & Lielausis 1964).
Citation:
R. S. Edgar, & I. Lielausis (1964). Temperature-sensitive mutants of bacteriophage T4D: their isolation and genetic characterization. Genetics, 49(4), 649.
_________16. Which one of the following should NOT be associated with electron transport chain?
A. Absorption of solar energy C. Movement of H+
B. Formation of ATP D. Cytochromes
Anaplerotic reactions serve to:__________.
a) divert materials out of the citric acid cycle for use in biosynthesis.
b) regulate energy production by bypassing the citric acid cycle.
c) replenish the citric acid cycle if it becomes depleted of intermediates by biosynthetic demands.
d) produce pyruvate, which initiates the cycle when glucose degradation is not occurring.
Answer: Option C.
replenish the citric acid cycle if it becomes depleted of intermediates by biosynthetic demands.
Explanation:
Anaplerotic reactions that form intermediates for kreb cycle, citric cycle. They form intermediates for metabolic pathways like citric cycle. The citric cycle is important for energy production and biosynthesis. Anaplerotic reactions help to restore or replenish intermediates in citric cycle if there is depletion of intermediates biosynthetic demands.
Describe the type of attitude that would help of attitude that would help to make a good scientist?
Answer:
My answer to you is that the positive willing to do tests and experiments over and being okay with being wrong if you are.
What happens to the food in small intestine?
Answer:
the nutrients in the food is absorbed
Answer:
ExplanatBlood in the villi helps to absorb nutrients and sugar molecules.
Nutrients from food are absorbed.
Fat is broken down into smaller droplets.
Most of the digestion that occurs in the small intestines occurs in the duodenum, which is the first part of the small intestines. This is where fats are broken down into smaller droplets by emulsifiers and lipases. Absorption takes place in the other parts through the villi.ion:
What are the fundamental parts of a typical cell
Answer:
the parts include Cell Membrane, Mitochondrion, Lysosome, Rough Endoplasmic Reticulum.
Explanation:
the cell membrane Is made out of phospholipids and proteins
the Mitochondrion Site of cellular respiration "power house"
the Lysosome S.uicide Sacks that contain digestive enzymes
rough Endoplasmic Reticulum contains Ribosomes, transports proteins
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g One can measure ATP production from isolated mitochondria in vitro (in a test tube). Changing the pH of the solution that the mitochondria are in results in a similar change the pH of the intemembrane space. If the pH of the solution that the isolated mitochondria are in is raised and everything else remains constant, what is the effect on ATP synthesis
Answer:
This will lead to an decreases in the ATPs synthesis. This is because low pH , high acidity favours ATP synthesis, because it increases the proton concentration for electrochemical gradients needed for energy that ATPase enzymes makes used of synthesis of ATPs.
Therefore a rise in the pH(low acidity) lowers protons levels, and therefore reduced electrochemical gradients , with a drop in energy for ATPs synthesis.
Explanation:
Which of these factors will affect the friction on a road?
a) Oil
b) Water
c) Ice
d) all of the above
Answer:
all of the above
Explanation:
Oil,Water and Ice
all of these will affect the friction on the road.
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Answer:
D-all of the above
Explanation:
Force of friction is the force which opposes the motion of an object over a surface
The force of friction acts between the object and the surface.
A ball rolling on ground gradually slows down and comes to rest due to force of friction between the ball and the ground.If we stop pedaling a bicycle, it gradually slows down and comes to a stop due to force of friction between the wheel and the road.2. Mr. Simpson has blood type ABRh+ and his wife type ORh+. Mr. Doodle has type ARh- and his wife type ORh+. The Simpsons and Doodles each had a baby girl on the same day. When they took their children home, their doctors found that the Doodle girl had blood type ARh- and the Simpson girl had type ORh+. The Simpsons sued the hospital for giving them the wrong baby. Could they win the case? Show the most likely genotypes of the parents and of the 2 girls
SCENARIO ABiological anthropologists have discovered a previously unknown fossil species namedAustralopithecus sediba. The species lived about 2 million years ago in Africa and has an interesting mix of traits. For example, its arms are adapted for climbing in trees and its legs are adapted for walking on two legs on the ground. It does not directly resemble any of the living ape species, which suggests that the living ape species (including humans) have each become adapted for their own environmental contexts over time.What is the primary type of biological anthropology addressed in this research?A. Human biologyB. Forensic anthropologyC. PaleoanthropologyD. PrimatologyDoes the research also touch on topics that might be relevant to researchers in disciplines outside anthropology, such as biology, geology, psychology, medicine, sociology, or criminology? Which of the following disciplines would be most relevant?A. PsychologyB. BiologyC. CriminologyD. SociologyHow does this research relate to human evolution? In other words, what can we learn about human evolution from research along these lines?
Answer:
In scenario A A. Human biology
Which of the following disciplines would be most relevant?
B. Biology
Explanation:
In scenario A Australopithecus sediba arms are adapted for climbing in tree and its legs are adapted for walking on two legs. Australopithecus is related to homo habilis and also homo erectos. They are different human primate.
B. Biology because there are fossil remains dated to about 2 million years ago.
(a) Describe the possible genotypes of the heart cells of an individual if meiosis in this
individual results in two sperm cells carrying the f allele and two sperm cells carrying the
F allele.
Answer:
The possible genotype is Ff
Explanation:
The possible genotype of the heart cells of such individual would be Ff.
Meiosis usually results in the formation of daughter cells with haploid number of chromosomes from parent cells with diploid number of chromosomes. The chromosomes in the parent cells are usually halved in the daughter cells.
The cells of the heart will have diploid number of chromosomes because they are vegetative cells while the sperm cells will usually have haploid number of chromosomes because they are sex cells.
Consequently, the heart cells of an individual will contain twice the chromosome number present in the sperm cells of such individual.
Hence, if meiosis results in the formation of sperm cells with F and f genotypes in an individual, it simply means that any diploid cell in that individual will have the Ff genotype.
The possible genotype is Ff
The following information should be considered:
Meiosis normally arise when the daughter cells are created along with haploid number of chromosomes from parent cells with diploid number of chromosomes. The chromosomes in the parent cells are normally halved in the daughter cells. The heart cells should have diploid number of chromosomes since they are vegetative cells while on the other hand the sperm cells will normally have haploid number of chromosomes. Due to this, the heart cells of an individual will comprise of twice the chromosome number that are present in the sperm cells of such individual.
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A cell has two pairs of submetacentric chromosomes, which we will call chromosomes IA, IB, IIA, and IIB (chromosomes IA and I B are homologs, and chromosomes IIA and IIB are homologs). Allele M is located on the long arm of chromosome IA and allele m is located at the same position on chromosome IB. Allele P is located on the short arm of chromosome IA, and allele p is located at the same position on chromosome IB. Allele R is located on chromosome IIA and allele r is located at the same position on chromosome IIB.
A. Draw these chromosomes, identifying alleles M, m, P, p, R, and r as they would appear in metaphase I of meiosis. Assume there is no crossing over.
B. Taking into consideration the random separation of chromosomes in anaphase I, draw the possible types of gametes that might result from this cell’s undergoing meiosis. Assume that there is no crossing over.
Answer:
A) Allelic position in the chromosomes:
IA ----------M------------:-----------P----
IB ----------m------------:-----------p----
IIA -----------------R--------------------:---------------------
IIB -----------------r---------------------:---------------------
B) Types of gametes (assuming there is no crossing over):
MPR; MPr; mpR; mpr.
Explanation:
In submetacentric chromosomes, the centromere is located near to the middle of the chromosomes.
Since these two pairs of homologous chromosomes do not undergo crossover, the resulting gametes after meiosis may have four (4) allele combinations.