Answer:
Genes
Explanation:
Mutations occurs on genes
Answer:
2. Genes.
Explanation:
Mutations can occur in either cell type. If a gene is altered in a germ cell, the mutation is termed a germinal mutation. Because germ cells give rise to gametes, some gamete s will carry the mutation and it will be passed on to the next generation when the individual successfully mates.
Which of these is an autotroph?
A.
mackerel
B.
squid
C.
mollusks
D.
fungi
E.
phytoplankton
Answer:
E.
phytoplankton
Explanation:
The defenition of Autotroph is: "an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide." (Oxford Dictionaries)
As Britannica says, "[...]Like land vegetation, phytoplankton uses carbon dioxide, releases oxygen, and converts minerals to a form animals can use."
Then Wikipedia (I know, not the best source, but it works) says, "Phytoplankton (/ˌfaɪtoʊˈplæŋktən/) are the autotrophic (self-feeding) components of the plankton community and a key part of ocean and freshwater ecosystems."
So, Phytoplankton is an autotroph.
9. when a muscle contracts involuntarily
What muscle is this?
Answer: Smooth Muscle
Explanation: Smooth muscle cannot be controlled consciously and thus acts involuntarily.
PLSS HELP IMMEDIATELY!!! ILL MARK BRAINIEST IF U DONT GUESS OR LEAVE A LINK!
Answer: The answer is A. Increaed use of fossil fuels.
Explanation:
Which of the following is a key part of psychotherapy?Single choice.
(1 Point)
A. a client lying on a couch in the therapist's office
B.verbal interaction between a therapist and client
C.MRI exam of the brain
D.regular blood pressure readings
Answer:
B: Verbal interaction between a therapist and client
Explanation:
Psychotherapy itself is known as talk therapy. Personal interaction and conversation is key to psychotherapy and overcoming problems presented.
how does human activity cause disruptions in the ecosystem?
Answer:
Human impact on the environment or anthropogenic impact on the environment includes changes to biophysical environments and to ecosystems, biodiversity, and natural resources caused directly or indirectly by humans, including global warming, environmental degradation (such as ocean acidification), mass extinction and etc...
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
1. What is the genotype of the chicken shown below?
O A. FWFW
O B. FWFR or FREW
O C. FRER
O D. There is not enough information to solve this problem.
A group of herbivores are separated from their individual population. In the new environment, the only edible
vegetation grows underground.
-What would be a like likely structural adaptation that would occur?
-Explain how step by step how this would result in the population changing over time?
Over time, an adaptation that will make it easier for herbivores to acquire food is a long neck.
What are herbivores?An herbivore is an organism that mostly eats plants. A herbivore can be any size, from tiny insects like ants to huge, massive elephants. Herbivores make up a substantial portion of the food web, which is a description of the species that eat other animals in the wild.
Humans are they herbivores?We are physically herbivorous, despite the fact that many people prefer to consume both plants as meat, giving us the questionable moniker of "omnivores." The good news is that it's still possible to dine like our ancestors: Vegetables, fruits, nuts, and legumes form the foundation of a wholesome vegan diet.
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What is the best definition for adaptation?
10 points
Organisms are able to change their biological make up at any time they wish to
Animals are able to change from one organism into another given enough time
The biological mechanism that prevents organisms from adjusting to new
environments or to changes in their current environment
The biological mechanism by which organisms adjust to new environments or to
changes in their current environment
Answer:
The biological mechanism by which an organism adjusts to a new environment or to changes in their current environment
Which chemical weathering process involves the action of carbonic acid
on rocks such as limestone that are composed of calcium carbonate?
Oxidation
Hydration
Solution
Carbonation
Answer:
carbonation
............
A 69-year old man with alcoholism is seen with leukocytosis, an elevated amylase level, and a rising lipase level. The entire pancreas appears enlarged and hypoechoic, with ill-defined borders. The most likely diagnosis is:
The most likely diagnosis in a 69-year-old man with alcoholism, leukocytosis, an elevated amylase level, and a rising lipase level, with an enlarged and hypoechoic pancreas, is acute pancreatitis.
Acute pancreatitis is an inflammation of the pancreas due to the activation of digestive enzymes within the pancreas, leading to autodigestion. Typically, the pancreas appears enlarged and hypoechoic on imaging studies, with ill-defined borders.
Other signs and symptoms of acute pancreatitis may include abdominal pain, nausea, vomiting, fever, and leukocytosis. Elevated amylase and lipase levels are typically seen in acute pancreatitis. Alcoholism is a risk factor for acute pancreatitis, and should be considered in the diagnosis.
Treatment typically involves supportive care, such as pain control and hydration, and abstinence from alcohol. In some cases, antibiotics may be used to treat or prevent infection. In serious circumstances, surgery may be required.
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All of the following are major sources of nutrient pollution except
a. Agricultural activities
b. Fossil fuel usage by vehicles and industries
c. Storm water discharge into local waterways
d. Acid rain and ozone pollution
Answer:
d. acid rain and ozone pollution
Answer:
a. Agricultural activities
Explanation:
because the other activities are the major sources of pollution. For example.. burning of fossil fuels pollute the air, storm water is a polluted one & it makes the water ways to pollute and the last one is also a pollution which is already shown as pollution in it's sentence.
List five name of the nutrients plants absorb from the soil
Why is individual II-1 heterozygous according to the answer key. - Pedigrees
In given pedigrees II-1 heterozygous because the man (II-1) that brown-eyed woman marry has brown eye but they have a son (III-1) with blue eye. So, genotype of II-1 will be Bb.
What is pedigrees?A family tree diagram that makes use of standardized symbols. The relationships between family members are shown in a pedigree, which also identifies the members of a family who have particular genetic pathogenic variants, traits, and diseases as well as their current health.
Pedigrees are typically employed to illustrate straightforward dominant and recessive traits. Having a widow's peak hairline, for instance, is dominant. If someone possesses that quality, their pedigree symbol will be shaded in.
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Please answer I really need help
Answer:
Monomers
Explanation:
Macromolecules (biomolecules) are polymers; they are polymers made of monomers
Write the correct answer on the line provided.
Baby Kilgore was vomiting almost continuously. The medical term for this excessive vomiting is ___________________
Answer:
Begulling
Explanation:
It is the correct medical term for excessive vomiting
Which phylogenetic tree highlights the most recent common ancestor of all animals with four limbs (where limbs include legs, arms, and wings)
It draws attention to the taxon, or most recent common ancestor, of all tetrapods. The tips and nodes of the tree, respectively, represent groups of descendant taxa and common ancestors of descendants.
The evolutionary connections of biological species are described by the phylogenetic tree, often called phylogeny. The branching pattern of the phylogenetic tree illustrates how a series of shared ancestors gave rise to diverse species or groupings.
The phylogenetic tree helps us understand a person's complete life history or life.
Follow each taxon's lineage back in time (toward the base of the tree) until all the lineages meet to identify the most recent common ancestor of a group of taxa. Their most recent shared ancestor is represented by that node.
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In order to maintain homeostasis, the systems of the body work together to maintain stable internal conditions. Which human body systems are responsible for erouring nutrients are properly absorbed and waste is eliminated from the body?
O Nervous and Excretory
o Respiratory and Digestive
O Circulatory and Respiratory
o Digestive and Excretory
HELP ME!!!
Answer:
o Digestive and Excretory
Explanation:
Can someone help me please (please hurry this is due in 1 minute)
Which is false regarding cell signaling? A. Endocrine signals move via the bloodstream B. Para crime signals are long-lasting C. Para crime signals are used to communicate the nearby cells D. Auto signals bind to receptors on the same cell that released the ligand
Answer:
B. Para crime signals are long-lasting.
The option that's false regarding cell signaling is B. Para crime signals are long-lasting.
Cell signaling is also known as cell communication. It simply means the ability of cells to be able to receive, process, and then transmit signals with itself and the environment.
Cell signaling is vital for some cellular decisions such as cell growth, division, development, etc. During cell signaling, the endocrine signals move via the bloodstream. Also, auto signals bind to receptors on the same cell that released the ligand. It should also be noted that para crime signals aren't long-lasting, they occur for a short period.
In conclusion, the correct option is B.
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Determine whether each factor of a terrestrial ecosystem is biotic or abiotic.
Trees
Fungii
Sunlight
Soil
Birds
The biotic factors of the terrestrial ecosystems are trees, fungi and birds while the abiotic factors are the sunlight and soil.
What is a terrestrial ecosystem?A terrestrial ecosystem is the type of ecosystem that is found in the earth environment which is made up of both the biotic and abiotic factors.
The biotic factors are those factors that are considered as the living things such as the trees, fungi and birds while the abiotic factors are the non living things found in the ecosystem and they are soil and sunlight.
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If a mutation causes you to get a new trait, by how natural selection works, that trait will disappear even if it will help you survive T or F
Answer:
False, natural selection would not cause the mutation to die out unless it harms reproductivity
Explanation:
Natural Selection works through many different aspects, here we see that a creature has developed a mutation. If the creature would be aided with this new found mutation it would not simply disappear. The creature would end up reproducing with similar creatures spreading this new mutation, and this is what natural selection is. Natural selection is when creatures with negitive mutations are unable to reproduce causing their gentic line to die out, while creatures with superior genetics continuously reproduce.
I hope this answer helps!
Compare and Contrast Renewable and Nonrenewable Resources.
Answer:
Nonrenewable energy options are small in supply. Renewable materials replenish themselves spontaneously and in a very brief amount of time.
Explanation:
What 3 features do all mollusks share?
The three common feature of all molluscs are: presence of mantle, muscular foot and unsegmented body.
Molluscs is the name that refers to the organisms of the phylum Mollusca. These are the animals that are invertebrates. The phylum constitutes the second largest phylum of the animal kingdom. The examples include: snails, oysters, clams, etc.
Mantle is the outer body wall of the molluscs. It is soft and fleshy in appearance. It may sometimes be covered by calcifies plates for strengthening. It covers the visceral mass of the Molluscs. This mantle secretes the calcium carbonate for the formation of shell of molluscs.
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1. What is the purpose of the lab energy transfer
Answer:
The purpose of this lab is to observe how heat flows through conduction, convection, and radiation.
Explanation:
Answer:
How heats flows past and keep the energy
What is a Lytic infection and What is a lysogenic infection?
Answer:
Infection of a bacterium by a bacteriophage with subsequent production of more phage particles and lysis, or dissolution, of the cell. The viruses responsible are commonly called virulent phages. Lytic infection is one of the two major bacteriophage–bacterium relationships.
Lysogeny, or the lysogenic cycle, is one of two cycles of viral reproduction. Lysogeny is characterized by integration of the bacteriophage nucleic acid into the host bacterium's genome or formation of a circular replicon in the bacterial cytoplasm.
Explanation: hope this helps!
The atmosphere, biosphere, lithosphere, and hydrosphere are considered to be Group of answer choices independent of one another open subsystems closed subsystems exchanging mass but not energy exchanging energy but not mass
The whole earth's atmosphere, lithosphere, hydrosphere, and cryosphere are all included in the geosphere. The area above the Earth's surface is known as the atmosphere.
This includes the air we breathe. The lithosphere, which consists of rocks and mountains, is the solid core of the Earth.
The lithosphere, hydrosphere, biosphere, and atmosphere are the four interconnected "spheres" that make up the Earth's crust. Changes in one of the spheres generally generate changes in one or more of the others since the spheres are so intertwined.
An example of an open system is the ocean. The hydrosphere includes the ocean, and the surface of the ocean serves as the contact between the hydrosphere and the atmosphere above it.
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PLEASE ANSWER THIS QUESTION ASAP!
Answer:
All answers are in the image
There are two types of waves: mechanical and electromagnetic. Microwaves, infrared
waves, and radio waves are examples of electromagnetic waves. Which claim is TRUE about
the speed of electromagnetic waves?
A: They are not affected by changes in medium.
B: It is slower in a vacuum than in a medium.
C: In a vacuum, its speed equals half the speed of light.
D: It slows down when it goes from a vacuum to a medium.
Answer:
d
Explanation:
What happens to the 3 carbon sugar that exits the Calvin cycle?
By carbon fixation, 3-PGA molecules are transformed into glucose molecules, which are simple sugar molecules.
It corresponds to the second phase of Calvin's cycle. By carbon fixation, 3-PGA molecules are transformed into glucose molecules, which are simple sugar molecules. Energy for this stage is provided by ATP and NADPH generated during the light-dependent activities of photosynthesis. Thus, the Calvin cycle is a mechanism through which plants convert solar energy into compounds like sugars that may be stored for a long period. ATP and NADPH provide the sugars with their energy.
This procedure is referred to as reduction because 3-PGA molecules get electron transfers to produce glyceraldehyde-3 phosphate.
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The sodium potassium pump, works against its concentration gradient. it pumps ___________ ions out of the cell and _________ ions into the cell
The sodium-potassium pump works against its concentration gradient. it pumps potassium ions out of the cell and sodium ions into the cell.
A sodium-potassium pump system moves sodium and potassium ions against a large concentration gradient. It transports two potassium ions into cells with high potassium levels and pumps three sodium ions out of the cell into the extracellular fluid. Sodium-potassium pumps are found in many cell (plasma) membranes. The ATP-powered pump moves sodium and potassium ions in opposite directions against their respective concentration gradients. In one cycle of the pump, 3 sodium ions are pushed out of the cell and 2 potassium ions are taken up by the cell.
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