Answer:
They could use SNPs(Single nucleotide polymorphisms) of DNA, which are an anaylysis of chromosomes using high tech laser magnification. This SNPing allows scientist to more closely view specific genes in chromosomes that cause certain traits. It allows for a greater genetic mapping and could also be used to see mutations, if you know which chromosome to look at.
IDK, just an idea, SNPs were used to look at different species trait exhibition, I thought it might work for this if used properly.
Answer:
B) gene mapping
Explanation:
edge
The unusual patterns on a silk moths wings are one of the most stunning examples of mimicry in the wild,mimicry can protect the moth?
The question is incomplete. The complete question is as follows:
The unusual patterns on a silk moth’s wings are one of the most stunning examples of mimicry in the wild. Mimicry occurs when an organism develops a physical characteristic or behavior similar to a protective trait in another species. What do you think these moth wings mimic? Why do you think this kind of mimicry can protect the moth?
Answer:
The silk moth's mimic the physical characteristics such as changes in wings pattern that resemble another moth species that is dangerous or unpalatable to predators.
This unusual change in wings pattern provide camouflage to the silk moths and prevent predators. Predators get confuse because of the mimic spcies and consider them as toxic or untasty and won’t attack.
Answer:
The moth wings actually look like the eyes of a much larger animal. This mimicry may protect the moth from predators.
Explanation: EDMENTUM ANSWER
You are comparing two samples of the octopus genome, one from an octopus that can make ink (sample 1), and one from an Octopus that can't
make ink (sample 2). You notice the one who can't make ink has a mutation Sample 1: ATTACAGTACTGGCA Sample 2: ATTACAATACTGGCA
Looking at the sequences carefully you determine it is a
mutation
A. Insertion
B. Substitution
C. Deletion
D. Inversion
Which is the role of the gall bladder?
Answer:
Explanation:
Almacena bilis, un líquido producido por el hígado para digerir las grasas. Cuando el estómago y el intestino digieren los alimentos, la vesícula biliar libera bilis a través de un tubo denominado conducto biliar común.
Which of the following is one of the most abundant elements in all living
things?
O A. Calcium
O B. Aluminum
O C. Tin
O D. Gold
Calcium.
Hope this helps!
A female had tubular pregnancy and had to remove her oviducts. Will this affect her in anyway with respect to reproduction ? justify?
Reproduction will be highly affected.
Since there are two oviducts one will be removed as a result of the ectopic pregnancy.
Hence, there will be a defect in the carrying of the ovum from the ovary to the uterus. There will be delivery of the ovum only in the the unaffected oviduct. This can lead to non-fertility.
Ectopic pregnancy is a condition in which there is an implantation of the zygote in a location other than the the uterus.
Water is essential for the growth of crop plants. But excessive supply of water should be avoided. Give reason.
Answer:
Soil can become waterlogged. The water can cut off the air supply to the roots and to the organisms that live in the soil. If the roots do not receive enough oxygen, the plants will die because they rely on oxygen to complete photosynthesis.
Explanation:
Answer:
We should avoid watering the plants so much
Explanation:
It can lead to the growth of plants and will not grow properly
Which piece of evidence supports the theory of continental drift? A. similar animal fossils found in South America and Africa B. transform boundaries found near tropical coastal regions C. large deposits of volcanic rocks found on the ocean floor D. fossils of plants that typically grew in Arctic climates found in Africa
where is most of the energy produced in cellular respiration
Answer:
Most of the ATP energy obtained from cellular respiration is produced in the third and final stage, the electron transport chain.
There are 4 types of biomes.
Please select the best answer from the choices provided
T
F
Answer:
False
Explanation:
Chloride ions, Cl-, follow actively transported Na+ ions from the nephrons into the blood. Would you not expect the Cl- concentration to decrease as fluids are extracted along the nephron?
Answer:
Bicarbonate ion, HCO3- (which has a similar charge to chloride ions) also follow sodium ions into the blood. Also, potassium ions, K+ are transported into the nephron so some chloride ions and bicarbonate ions remains in the nephron to balance the charge.
Explanation:
Sodium is the primary positively charged electrolyte in extracellular fluid. Most of the solute reabsorbed in the proximal tubule is in the form of sodium bicarbonate and sodium chloride. Water is also reabsorbed in order to balance osmotic pressure
When sodium ions are reabsorbed into the blood, few of the substances that are transported with Na+ on the membrane facing the lumen of the tubules include Cl- ions, Ca2+ ions, amino acids, and glucose. Sodium is actively exchanged for K+ using ATP on the basal membrane.
In the distal convoluted tubule, K+ and H+ ions are selectively secreted into the filtrate, while Na+, Cl-, and HCO3- ions are reabsorbed to maintain pH and electrolyte balance in the blood.
Some chloride ions remains in the nephron to balance the charge of the secreted K+ ions and also due to the bicarbonate ions that are removed.
The concentration of Chlorine decreases as fluids are extracted along the nephron because it is not soluble in water. With an increase in the fluid extraction along the nephron, there is the reabsorption of more water and since Chlorine cannot be diluted by water, its concentration decreases. With the more reabsorption of water and increase in its concentration as the fluid moves through the nephron, the relative concentration of chlorine reduces.
This gradient is mainly caused by NaCl and urea. NaCl is transported by the ascending limb of Henle's loop which is exchanged with the descending limb of the vasa recta.
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When did people begin to notice that coastlines if continents fit together like a puzzle
a. when satellite begin taking pictures of earth from space
b. when Alfred Wegener propose the idea of continental drift
c. when early explorers traveled from Europe and Asia to the Americas
d. when geologists first started examining the fossil record of South America
Answer:
B. When Alfred Wegener propose the idea of continental drift
Explanation:
The first true explanation came from Alfred Wegener, who proposed the Plate Tectonic Theory. This theory stated, in a nutshell, that the continents different pieces that collided together at faults.
Technically, explorers found out this way back. If you consider this the answer choice, then C is your best answer.
Answer:
its c
your welcome
how do i answer this question
name the chemical compound present in the cell ?
Answer:
Cells are composed of water, inorganic ions, and carbon-containing (organic) molecules. Water is the most abundant molecule in cells, accounting for 70% or more of total cell mass. Consequently, the interactions between water and the other constituents of cells are of central importance in biological chemistry.
1. Which of the following is NOT a result of convection current? a) The air in a room is cooled by an air conditioner b) Wind blows towards the beach from the sea. c) The water in a kettle is heated and boils d) The wax covering an iron rod melts when the rod is heated.
Answer:
its D
Explanation:
because conduction happens through solids and the others are obviously conventional current
The wax covering an iron rod melts when the rod is heated ( D ) is not a result of convection current
Convection is the transfer of heat energy from an area of higher concentration to an area of lower concentration and it occurs in fluids and gases. while conduction is the transfer of heat energy from one object to another through the direct contact of the objects and this occurs between solids.
The transfer of heat from the heated rod to the wax covering occurs because of the direct contact the wax has with the heated rod therefore it is conduction and not a convection current.
Hence we can conclude that The wax covering an iron rod melts when the rod is heated is not a result of convection current
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What does an organism's genotype describe?
Answer:
genetic's makeup or a person's genes created from organisms
Study the map. Which plate forms a boundary with the African Plate?
Answer:
down below
Explanation:
The western edge of the African Plate is a divergent boundary with the North American Plate to the north and the South American Plate to the south which forms the central and southern part of the Mid-Atlantic Ridge.
Answer:
south american
Explanation:
What do these characteristics all have in common?
These genetic traits can all be easily observed
What makes a hypothesis scientifically
Answer:
The basic idea of a hypothesis is that there is no pre-determined outcome. For a hypothesis to be termed a scientific hypothesis, it has to be something that can be supported or refuted through carefully crafted experimentation or observation
Explanation:
A hypothesis is an educated guess. When scientist make a hypothesis, it gives them a reason to make an experiment to decide whether its accepted or not and they also learn more about that certain subject while doing so. When scientist make a hypothesis, it gives them a reason to make an experiment to decide whether its accepted or not and they also learn more about that certain subject while doing so. Comments
Answer:
Click on this:
What would happen if sex cells underwent mitosis instead of meiosis
Answer:
If gametes (sperm and egg) were made by mitosis, then they would be diploid. ... A tetraploid zygote is not viable and will most likely miscarriage.
Explanation:
what type of experiment is an obsevational study?
Answer:
onsider someone on the busy street of a New York neighborhood asking random people that pass by how many pets they have, then taking this data and using it to decide if there should be more pet food stores in that areac
Explanation:
I googled it!! (study.com)
_______on the blood determine a person’s blood type. _______in the blood attack foreign blood not compatible with the antigens on the blood.
Answer:
the first one is Antigens and the second one is Antibodies
Explanation:
Antigen is usually present on the blood that determine the person’s blood type. While antibodies in the blood attack foreign blood not compatible with the antigens on the blood.
What are antigens?Blood group antigens seem to be either sugars or proteins that bind to various components of the red blood cell membrane. The antigens of the ABO blood group, for example, are sugars.
Whereas antibodies are present in the blood that determines certain antigens present in the blood that are non compatible.
Thus, the answer for blank 1 is antigen, and for blank 2 is antibody.
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The image shows sedimentary rock layers with index fossils and a fault.
Rock layer diagram. 5 layers on each side of a fault. Layers 1 to 5, top to bottom on the left, layers 6 to 10, top to bottom on the right. The following pairs are the same: 1 and 8; 2 and 9; 3 and 6; 4 and 7. Layers 5 and 10 do not have matches.
Which statement accurately describes the rock layers?
Layer 8 is older than layer 1.
Layer 3 is younger than layer 6.
Layer 4 and layer 10 are the same relative age.
Layer 2 and layer 9 are the same relative age.
Answer:
Faulting created the differences in layers, and layers 2 and 9 are the same age, so the correct answer is D.
Explanation: I just took the test : )
Answer:
D
Explanation:
Put the following events that occur in a reflex arc in the correct order. Rank the options below. The motor neuron conducts action potentials through the anterior root and spinal nerve to an effector organ The motor neuron conducts action potentials through the anterior root and spinal nerve to an effector organ Open choices for matching The interneuron synapses with a motor neuron The interneuron synapses with a motor neuron Open choices for matching The sensory neuron synapses with an interneuron The sensory neuron synapses with an interneuron Open choices for matching A sensory neuron conducts action potentials through the nerve to the spinal cord A sensory neuron conducts action potentials through the nerve to the spinal cord Open choices for matching A sensory receptor detects a stimulus
Answer: Please see the explanation column for answers
Explanation:
A reflex arc is a nerve or neural pathway that controls a reflex action giving fast response to a stimulus without the conscious act of the brain. Here, the sensory neurons receive stimulation then synapses or connects to spinal motor neurons nerve cells which then connects to muscle cells acting as effectors.
Ranking the events that occur in the reflex arc in correct order gives
1st ---- A sensory receptor detects a stimulus
2nd---A sensory neuron conducts action potentials through the nerve to the spinal cord
3rd----- The sensory neuron synapses with an interneuron
4th----- The interneuron synapses with a motor neuron
5th------- The motor neuron conducts action potentials through the anterior root and spinal nerve to an effector organ.
Which sentence supports the statement that complex, multicellular organisms are made up of specialized cells that each perform different functions for the body?
A.
Human liver cells make proteins that promote homeostasis that neurons do not.
B.
Different species of bacteria have different shapes and structures to their cells.
C.
The DNA in the cell nucleus of chimpanzees and humans are 98% identical.
D.
Prokaryotes do not have nuclei, but they can still carry out the basic functions of life.
Answer:
A
Explanation:
Human liver cell make proteins that promote homeostasis that neurons don't have.
Homeostasis is the regulation of an internal steady environment.
No Joke, this is an actual question have to answer for an assignment.
How much wood, would a wood chuck, chuck, if a wood chuck could chuck wood?
A) Infinite
B) I don't know, 5.
C) as much as they want.
D) This is a stupid question
Answer: c
Explanation:
Answer: C
Explanation: A wood chuck would chuck as much wood as a wood chuck would if a wood chuck could chuck wood.
Which of the following did you include in your response?
predator-prey relationships
competition
new habitat
increased food source
new situations allow a variety of traits to be favorable
The main point of environmental habitual life depends on the area an organism lives in.
Answer:
environmental habitual life depends on the area an organism lives in.
Explanation:
14. The first system to classify blood types is known as which of the following?
O A-S-R system
O B-D-G system
O A-B-O system
O C-O-V system
Sion
sion
Answer:
A-S-R system
Explanation:
A-S-R system
Answer:
a-s-r
Explanation:
a-s-r
which element is found in proteins and nucleic acids but not in carbohydrates
proteins: H,C,N,O &S,P
Nucleic:H,C,N,O,&P
Carbohydrates:H,C,O
Lipids :H,C,O,N,P.
1. A _________ is formed when an _________ object blocks the path of light
2. A mirror works by __________the light that hits
Answer:
1.A _shadow_ is formed when an _ transparent _ object blocks the path of light
2. A mirror works by _reflecting_the light that hits
Explanation:
1. A shadow is made when an object blocks light. The object must be opaque or translucent to make a shadow. A transparent object will not make any shadow, as light will pass straight through it.
2.When photons — rays of light — coming from an object (your smiling face, for example) strike the smooth surface of a mirror, they bounce back at the same angle. Your eyes see these reflected photons as a mirror image.
Hope it helps you
Growth media are used to grow microorganisms in a lab setting. Some media are liquids; others are more solid or gel-like. A growth medium provides nutrients, including water, various salts, a source of carbon (like glucose), and a source of nitrogen and amino acids (like yeast extract) so microorganisms can grow and reproduce. Ingredients in a growth medium can be modified to grow unique types of microorganisms. For example; _____is a general-purpose, non-selective growth media, _____is a non selective, enriched growth medium with red blood cells that have been lysed by heat, Columbia Nalidixic Acid (CNA) and _____are selective agar for Gram positive organisms and ______agar is a selective agar for Gram negative organisms, Mannitol salt agar MSA is a commonly used selective and differential growth medium that encourages the growth of bacteria that ferments mannitol, and _____is an example of a liquid that supports growth of a variety of organisms.
Answer:
Growth media are used to grow microorganisms in a lab setting. Some media are liquids; others are more solid or gel-like. A growth medium provides nutrients, including water, various salts, a source of carbon (like glucose), and a source of nitrogen and amino acids (like yeast extract) so microorganisms can grow and reproduce. Ingredients in a growth medium can be modified to grow unique types of microorganisms. For example; Nutrient agar is a general-purpose, non-selective growth media, Chocolate agar is a non selective, enriched growth medium with red blood cells that have been lysed by heat, Columbia Nalidixic Acid (CNA) and Mannitol Salt agar are selective agar for Gram positive organisms and MacConkey agar is a selective agar for Gram negative organisms, Mannitol salt agar MSA is a commonly used selective and differential growth medium that encourages the growth of bacteria that ferments mannitol, Nutrient broth is an example of a liquid that supports growth of a variety of organisms.
Explanation:
Growth media are classified based on their composition as:
1. General Purpose Media: These type of media support the growth of non-fastidious organisms, that do not require special nutrients for growth, and they also serve as a base for certain modified media. An example is the nutrient agar
2. enriched media: these media, like the name implies, is one that has been modified by the addition of special growth factors and nutrients called enrichment. An example is chocolate agar where lysed blood is added to nutrient base agar, when the blood cells are lysed slowly at 80°C, nicotinamide adenine dinucleotide (factor V or NAD) and hemin (factor X), are released into the medium, and these support growth of certain fastidious organisms like Haemophilus influenza bacteria.
3. Selective media: These kinds of media contain substances that support the growth of certain organisms while in turn preventing the growth of others due to the presence of certain inhibitory factors. Examples are: Mannitol Salt Agar, which supports growth of Gram-positive organisms and MacConkey agar, which supports the growth of Gram-positive organisms
4. Non Selective media: These type of media have no biases against the growth of certain organisms, that is, they do not contain certain inhibitory factors that impede the growth of certain organisms.
5. Differential media: These media contain chromogenic agents that change colour and helps to differentiate one organism from the other, making for ease of identification especially for organisms with similar properties.
Finally, a broth is a growth medium that fo not contain agar, hence, it is liquid and not solid.