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Sharp leaves on the savanna trees protect them from _____.
fire
heavy rains
grazing animals
drought
This element has similar chemical properties as oxygen more protons than neon but fewer than argon
The element described is fluorine (F), with similar chemical properties to oxygen, more protons than neon, and fewer than argon, being highly electronegative and reactive.
The student is asking about an element that has similar chemical properties to oxygen, more protons than neon but fewer than argon. The element in question would be fluorine (F), which has an atomic number of 9. Like oxygen, fluorine is highly electronegative and tends to form negative ions by gaining an electron to complete its valence shell, achieving a stable electron configuration akin to neon. Fluorine has one more proton than neon (Z=10) and is one element prior to neon in the periodic table, making it a member of the halogens, which are known for their high reactivity and tendency to form compounds by gaining electrons. Argon (Ar), with an atomic number of 18, has a complete octet of outer-shell electrons and is a noble gas, chemically inert with rarely forming compounds.
1. Would you expect endangered species to be more frequently generalists or specialists?
how many protons do carbon has
The centrosomes replicate in what phase
The area of a myofibril where actin filaments attach to one another is the
An ameba a one-celled organism can move ingest and transport materials within the cell because it has what?
The right answer is it has pseudopods (which are organelles in the cell).
An amoeba is a microorganism belonging to various groups of eukaryotic complex cells. In use of the term, amoeba actually refers to organisms that are members of many groups of amoeboid protists of different eukaryotic taxa. They are called amoebas because they do not have a stable form (hence the term amoeboid).
Amoebae move and feed on some kind of temporary members called pseudopods. They can attack other cells by phagocytosis.
Answer:
organelles
Explanation:
an ameba is a single celled eukaryotic organism, which has obviously one cell which has organelles. So the anwer would be organelles.
Disease and famine are two limiting factors that affect human populations. true or false
Is it possible for two alleles to produce four phenotypes?
Yes, two alleles can contribute to multiple phenotypes through multiple allele inheritance and dominance hierarchies, allowing for a variety of phenotypic expressions beyond the simple dominant-recessive relationships originally described by Mendel.
It is possible for two alleles to contribute to multiple phenotypes if there are dominance hierarchies among multiple alleles at a single gene locus. This is known as multiple allele inheritance.
When discussing multiple alleles in a population, it is important to note that while an individual organism can only have two alleles for a gene (one from each parent), a population may have many alleles for a single gene. Some alleles might be dominant, others recessive, and some may even show incomplete dominance or co-dominance.
In the case of a gene with four different alleles, these can interact in various ways to produce a spectrum of phenotypes. For example, in rabbits, the coat color is determined by multiple alleles of the c gene. The wild-type allele is dominant to all other alleles, chinchilla is incompletely dominant over the Himalayan and albino alleles, and so forth. Therefore, the phenotype of progeny resulting from crosses between any pair of the four mutants will depend on the dominance hierarchy of these alleles.
To answer the original question, two alleles can influence more than two phenotypes if there are multiple alleles at the population level and varying dominance relationships among those alleles.
Which processes of drug response are most subject to genetic variation? select one:
a. rates of drug movement into and through the gastrointestinal tract
b. drug dissolution in body fluids and drug binding to plasma proteins
c. drug binding with receptors and drug blocking of receptors
d. drug activation or deactivation and duration of drug actions?
Lactose is found in milk products it is converted by the body into usable forms in a series of chemical reaction .If enzyme 2 is denatured the level of wich substance will increase
Lactose is simply the sugar found in milk.
If enzyme II is denatured, the level of galactose will increase.
When we consume milk, first the lactose in the milk will be broken down into two forms of sugar.
GlucoseGalactoseHowever, only galactose is affected by denaturing enzyme II.
There are several factors that cause an enzyme to be denatured; one of them is an increase in temperature.
So, when enzyme II is denatured, its molecular structure changes, and it causes the level of galactose in the milk to increase.
Hence, the galactose increases when enzyme II is denatured.
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11. Konrad Lorenz determined that (2 points) imprinting occurs during a critical period of development a baby goose will only imprint on its biological mother imprinting is reversible and temporary critical periods only apply to human development
A) imprinting occurs during a critical period of development
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Answer:
The answer for this is A. imprinting occurs during a critical period of development
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Explanation:
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Eukaryotic cells contain certain structures that perform specialized functions for the cell. What are these structures called? A. cells B. organs C. tissues D. organelles
A nurse hears a client state, “i have had it with this marriage. it would be so much easier to just hire someone to kill my husband!” what action should the nurse take
What does ATP do for cells
ATP, or adenosine triphosphate, acts as the 'energy currency' of the cell, releasing energy when its terminal phosphate group is removed. This energy powers cellular processes, including muscle contraction and active transport, such as the sodium-potassium pump in cell membranes.
ATP, or adenosine triphosphate, is often described as the "energy currency" of the cell. It plays a critical role in storing and providing energy for various cellular functions. ATP molecules hold smaller amounts of energy, which is released just in the right amount for work within a cell. The release of energy occurs when ATP is broken down, usually by the removal of its terminal phosphate group, and this energy is employed in several ways.
For instance, muscle cell proteins utilize the energy for contraction by pulling each other, and this is made possible when bonds in ATP break open, releasing energy. ATP is also essential in processes such as photosynthesis, where it provides the energy to build glucose. Similarly, ATP is critical in cellular mechanisms like the active transport work of the sodium-potassium pump in cell membranes, where it alters the structure of the pump's integral protein to move ions against their electrochemical gradients.
Overall, ATP is indispensable for the cell, as it safely stores energy and releases it as needed to perform various cellular tasks, acting much like a rechargeable battery to power the cell's activities.
The compound formed has a(n) ___________ bond and is a(n) _________________. A) ionic; crystalline solid B) covalent; amorphous solid C) metallic; crystalline solid D) covalent; crystalline solid
One of the liver's main functions is to detoxify potentially toxic substances. Given this information, which organelle(s) would you expect liver cells to have in abundance? Explain.
The organelles which are abundant in liver cells are endoplasmic reticulum helps liver to detoxify potentially toxic substances.
What is endoplasmic reticulum?The endoplasmic reticulum (ER) is an intracellular organelle made up of a network of continuous membranes. The ER is highly active in protein modification, lipid metabolism, and xenobiotic detoxification in the liver.
Maintaining these complex processes necessitates meticulous control over the ER lumen environment as well as the ER volume.The endoplasmic reticulum can be smooth or rough, and its function is normally to produce proteins that allow the rest of the cell to function.
Ribosomes, which are small, round organelles that make proteins, are found in the rough endoplasmic reticulum. When those proteins are produced incorrectly, they can remain within the endoplasmic reticulum.
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Using what you've learned, propose some possibilities for how commensal species, in contrast to infectious species, might live with us in peaceful symbiosis. consider commenting on ways the immune system remains refractory to commensals, compared to pathogens. see grading rubric below.
Middle layer of the wall of an artery or vein allowing it to withstand and modify blood pressure is
Are factors related to climate, such as rainfall and temperature, biotic, or abiotic factors?
Two kinds of birds eat the same food and nest in the same area. These two species of birds are in _____?
Current assessment findings for a client who is withdrawing from barbiturates are
How does the fast blast dna stain work to make the dna visible to the naked eye?
In 1940 matthew and marion stirling found ________ at the site of ________.
In 1940, Matthew and Marion Stirling found a series of stone carvings and monuments at the La Venta site in Mexico. This site is significant in history because it was a major location of the Olmec civilization.
Explanation:In 1940, husband and wife archaeologist team, Matthew and Marion Stirling, discovered a series of stone carvings and monuments at the La Venta site in Mexico. The La Venta site is notable for being one of the primary locations of the Olmec civilization, one of Mesoamerica's earliest and most influential cultures. The Stirling's findings at La Venta included upright stone monuments or 'stelae', altars, and large stone heads, which have since become iconic representations of the Olmec civilization.
In 1940, Matthew and Marion Stirling found artifacts at the site of Machu Picchu, a fifteenth-century Incan site located in Peru.
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How does the populations change over the course of generations?
Why were you able to see the dna after adding ethanol? what chemical process led to the visible masses of dna?
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Grasses can withstand the fires common to grasslands because grasses _____.
are full of moisture
store water in their leaves
grow thickly together
have extensive root systems
If oxygen is not available to a muscle cell, pyruvic acid is changed to ____ and builds up in the muscle cell.
The reduction of pyruvate forms a molecule called LACTATE. When human muscle cells doesn’t consist enough oxygen to convert organic molecules into ATP through cellular respiration, then it is called LACTIC ACID FERMENTATION. Instead of entering the mitochondria and being converted to acetyl CoA, pyruvate is reduced an electron is given, which is also a product of glycolysis.
"which part of the brain controls the autonomic nervous system?"
The hypothalamus is the key part of the brain that controls the autonomic nervous system, managing involuntary functions and maintaining homeostasis.
Explanation:Which part of the brain controls the autonomic nervous system?The autonomic nervous system (ANS) manages involuntary functions such as heart rate, blood flow, and digestion. The hypothalamus is the primary structure in the brain that coordinates these functions. The hypothalamus integrates sensory information and cognitive processes to manage the ANS. It sends signals via the medial forebrain bundle and the dorsal longitudinal fasciculus to brain stem and spinal components of the ANS. This integration allows for the control of the lungs, heart, smooth muscle, and glandular functions without our conscious input. It is crucial for maintaining homeostasis in the body through its regulation of the sympathetic and parasympathetic nervous systems, which have often opposing effects to balance the body's internal environment.