A woman going through menopause may take estrogen as part of hormone replacement therapy.
What is menopause?Menopause is the period in a woman's life in which she stops menstruation. This is because the woman's ovaries stops producing eggs and the level of the hormone estrogen is reduced.
To minimizethe symptoms associated with onset of menopause, a woman going through menopause may take estrogen as part of hormone replacement therapy.
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Some common, underlying predisposition, probably at least partly genetically based, leads to _______ in men and to somatization disorder in women.
Some common, underlying predisposition, probably at least partly genetically based, leads to anxiety disorders in men and to somatization disorder in women.
What is anxiety and symptoms?Anxiety symptoms can manifest on a physical level, such as a feeling of tightness in the chest and tremors, or on an emotional level, such as the presence of negative thoughts, worry, insecurity or fear, for example, and usually several symptoms appear at the same time.
In this case, women are twice as likely to develop anxiety as men because the cultural issue, of activities that are left to the care of the woman: care for the house, with the children, with the family, regardless of whether she works or not
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Match the structure of proteins.
I
Primary structure
A
Twisted polypeptide chain
II
Secondary structure B
Folded polypeptide chain
III
Tertiary structure C
Linear polypeptide chain
I - C, II - A, and III – B
I - B, II - C, and III - A
I - A, II - C, and III - B
I - C, II - B, and III - A
The matching of the structure of proteins is as follows:
Primary structure: Linear polypeptide chain.Secondary structure: Twisted polypeptide chain.Tertiary structure: Folded polypeptide chain.Thus, the correct option is A.
What are Proteins?Proteins may be defined as intrinsically appearing, a remarkably complicated substance that consists of amino acid residues united by peptide bonds.
The primary structure of the protein is so simple and it looks like a linear chain of the polypeptide. The secondary structure of proteins consists of alpha-helix and beta-pleated sheet that involves the twisted form of polypeptide chains.
The tertiary structure of the protein is more complicated as compared to secondary and primary. This structure emerges due to the constant folding of polypeptide chains.
Therefore, it is well described above.
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What does the light red layer between the white lumen and blue lamina propria consist of?
The light red layer between the white lumen and blue lamina propria consist of epithelium cells.
What is a lamina propria?
A lamina propria is a type of connective tissue that is present and found under the thin layer of tissues covering a mucous membrane.
Characteristics of the lamina propriaIt is a very large layer of connective tissueIt divides the innermost layer from a layer of smooth muscle tissue.it is a light red layer barrier located between the white lumen and blue lamina.It is made up of epithelium cells.It is also found in the respiratory tract, the Gastrointestinal tract, and the urogenital tract.Thus, the light red layer between the white lumen and blue lamina propria consist of epithelium cells.
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histones are _____ that are usually associated with _____.
Histones are basic proteins that are usually associated with deoxyribonucleic acid (DNA).
What are Histones?Histones can be defined as the basic proteins that are combined together with deoxyribonucleic acid to form the structure called Chromosome.
The main function of the histones is to provide structural support to the chromosome.
Therefore, Histones are basic proteins that are usually associated with deoxyribonucleic acid (DNA).
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Which act prompted the developers to install stormwater management systems to handle the movement of polluted water? The_______prompted the developers to install stormwater management systems to handle the movement of polluted water.
US clean water act as a prompted the developers to install stormwater management systems to handle the movement of polluted water.
What is the role of us clean water act?The Clean Water Act (CWA) establishes the fundamental framework for controlling pollution discharges into American waters and setting quality criteria for surface waters.
In 1972, the US Clean Water Act was adopted. The Act's principal goal was to control and minimize the entry of pollutants into water bodies. This was done to make the water bodies cleaner, clearer, and more suitable for usage by the general public and the abundant life forms that were already present.
In order to handle the removal of contaminated water from the water bodies, the developers decided to install stormwater management systems.
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What info so cladistics give?
Cladistic analysis provides information about the evolutive relationship between taxa according to derived characters. This information is represented in a cladogram.
What information does cladistics provide?
The cladistic analysis provides information about the relationship between different taxa according to shared characters.
This information is represented in a cladogram that uses derived characters to express the evolutive relationships between groups.
Derived characters emerge and are inherited by all the descendant groups, meaning that all of them carry these traits until they disappear.
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13. What two sub-processes do NADH and FADH2 cycle between? What do they do at each location?
NADH and FADH2 cycle is responsible for the production of small amount of energy in the form of ATP.
What occur in the NADH and FADH2 cycle?FADH2 and NADH are created through reduction-oxidation reactions in the Krebs cycle. This cycle produces small amounts of energy in the form of adenosine triphosphate (ATP), and also responsible for the production of compounds i.e. FADH2 and NADH. NADH produces 3 ATP whereas FADH2 produces 2 ATP molecules
So we can conclude that NADH and FADH2 cycle is responsible for the production of small amount of energy in the form of ATP.
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While doing the Osmosis, Effect of Solute Concentration experiment, forgetful Frank left his bag with 10% sucrose in the beaker of water for 2 hours instead of one, how would his results be different from the rest of the class?
The effect is that Frank's 10% sucrose bag will be heavier than that of others.
OsmosisWater molecules move from the region of lower solute concentration to the region of higher solute concentration.
Thus, water will continue to enter into a 10% sucrose bad dropped in a beaker of water until an equilibrium is established between the 2 media.
This means that the longer the bag stays in the beater containing water, the more the water will enter, and the heavier it will weigh.
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The process by which ____________ become activated when the ____________ within the discs of the cells are altered by light entering the eye is ____________ . The photoreceptor responds to ____________ stimulation by changing its resting membrane potential, resulting in a change in the ____________ it releases.
The process by which photoreceptors become activated when the photopigments within the discs of the cells are altered by light entering the eye is phototransduction.
How to explain the receptor?The photoreceptor responds to light stimulation by changing its resting membrane potential, resulting in a change in the neurotransmitters that it releases.
It should be noted that receptors bind to ligands and causes response in the immune system.
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How many times does the Krebs Cycle turn for one molecule of glucose?
Two turns of Kreb's cycle are needed for one molecule of glucose.
The Kreb's CycleThe cycle represents part of the process of breaking down glucose to extract the locked energy in the form of ATP.
Each glucose molecule to be broken down first undergo glycolysis at the end of which 2 pyruvate molecules are produced.
Each turn of the Kreb's cycle requires a molecule of pyruvate. Thus, the two pyruvates molecules generated from single glucose will require 2 turns of Kreb's cycle.
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Pulmonary edema and impaired ventilation occur during.
Pulmonary edema and impaired ventilation occur during cardiogenic shock.
What is cardiogenic shock?Cardiogenic shock is a type of shock that occurs when the heart is unable to pump enough blood that would be enough for the whole body.
The clinical manifestations of cardiogenic shock include:
Pulmonary edema and impaired ventilationPulmonary edema is the accumulation of fluid in the lungs while impaired ventilation which is unregulated intake and removal of oxygen and carbondioxide respectively from the body.
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at which state of respiration does the co2 release that place
A. Krebs cycle.
B. Glycolysis.
C. Electron Transport System.
Answer: A. Krebs cycle
The properties of water are an essential part of what makes water unique. What effect does the properties of water have on Earth’s surface and its systems?
The effect the properties of water have on Earth’s surface and its systems include:
WeatheringErosionWhat is Erosion?This is the process in which earthen materials are worn away and transferred from one part to another.
The absorption and retention properties of water also ensure that weathering takes place.
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Answer:
The effect the properties of water have on Earth’s surface and its systems include:
Weathering and Erosion
Certain athletic training routines involve repeated bursts of high intensity activity followed by a brief recovery period. This is accompanied by a burning sensation in the working muscles and a drop of pH in the muscle tissue. What metabolic events best explain this situation
The metabolic event that best explains the situation whereby there is a burning sensation in the working muscles is lactic acid fermentation.
What is lactic acid fermentation?Lactic acid fermentation is the process whereby sugar is converted to lactic acid in the presence of certain enzyme.
According to this question, certain athletic training routines is usually accompanied by a burning sensation in the working muscles and a drop of pH in the muscle tissue.
This is caused by the low supply of oxygen to the muscle cells, hence, they switch to anaerobic respiration (lactic acid fermentation) that causes the synthesis and buildup of lactic acid in the muscle.
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The receptor cells for vision are located in the _____ and are called _____ and _____
The receptor cells for vision are located in the retina of the eyes and are called rods and cones.
What are receptor cells?
Receptor cells are proteins found either inside a cell or on its surface which receive a signal.
The two primary photoreceptor cells are rods and cones and they contribute to the information used by the visual system to form a representation of the sight.
They are found in the retina of the eye.
Therefore, the receptor cells for vision are located in the retina of the eyes and are called rods and cones.
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The process during which a cell eats itself is referred to as.
All of these are steps in the lytic cycle of a temperate bacteriophage. Which happens second?
The second steps in the lytic cycle of a temperate bacteriophage is the entry.
What are the steps in the lytic cycle of a bacteriophage?The lytic cycle has several phases: Absorption is the phase in which the recognition and attachment of the virus to the cell occurs. Viruses are very specific to their host cells. The host is endowed with chemicals capable of allowing the virus to detect it and attach itself to the membrane.
So, the 4 stages of the lytic cycle is attachment, penetration, biosynthesis, maturation, and release.
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Two insects groups vary genetically by two genes. When put together, they were able to reproduce a produce offspring that could also breed. Which best describes this insect population?
Answer:
The insects belong to the same species
Answer:
The insects are the same species perhaps.
Explanation:
Which represents the cross between parent plants if one is heterozygous and has yellow-colored pods and the other is homozygous and has green-colored pods?.
The cross between parent plants if one is heterozygous for yellow pods and the other is homzygous for green pods - Yy yy., i.e., option A.
What is heterozygous?The occurrence of different types of alleles is referred to as heterozygous condition.
A heterozygous genotype may consist of one normal allele and one mutated allele, or two distinct mutated alleles.
The missing options of the question are:
Yy ´ yyYY ´ yyYy ´ Yyyy ´ yyThe cross between parent plants if one is heterozygous for yellow pods and the other is homzygous for green pods - Yy yy.
Thus, the correct option is A.
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Answer: Yy’ yy
Explanation:
because I said so
What is the differences between mitosis and meiosis and explain why there is meiosis 1 and 2 in cell division but this is not happening with mitosis
Answer:
Explanation:
Cells divide and reproduce in two ways, mitosis and meiosis.
Mitosis results in two identical daughter cells, whereas meiosis results in four cells.
Keys differences and similarities between the two types of cell division.
Mitosis Meiosis
cells created: two daughter cells four daughter cells
Ploidy Creates diploid daughter cells Creates haploid daughter cells
Genetics Daughter cells are Daughter cells are . . genetically identical genetically different
Why is there a meiosis II but not mitosis II?
Meiosis II is generally regarded as being very similar to mitosis, except for the presence of two parent cells, instead of only one. In both meiosis I and II, cytokinesis occurs, and there are two daughter cells per parent cell.
What blood vessel is found in the anterior-medial thigh?
The blood vessel that is found in the anterior-medial thigh is the femoral artery.
What is the femoral artery?The femoral artery is a major blood vessel that transports blood from the abdomen to the lower limbs.
The femoral artery is fundamental because it transports high volumes of oxygen-rich blood.
In conclusion, the blood vessel that is found in the anterior-medial thigh is the femoral artery.
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which of these are a producer? Moth,Mushroom,Fern,Cheetah
Answer:
fern is the producer.
Explanation:
producers are mainly green plants.
a team of scientists has consistently gotten the same unexpected results from a set of experiments.Which of the following helps the scientist ensure the reliability of the results?
a. publican of the results, including a brief description of the scientific methods
b. discussion of the scientific method with friends and family
c. peer review of the scientific methods and data analysis
d. Removal of any data that are not consistent with the other results
Peer review of the scientific methods and data analysis will ensure reliability of the results.
What is Reliability?This involves a scientist getting the same results under the same type of conditions in this scenario.
Peer review involves the experiment being done by other scientists to ascertain if the data gotten are reproducible which will determine its reliability and accuracy.
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Which animal had to eat the most frequently in order to maintain its energy level
Answer:
A. Rattlesnake
B. Small fish
C. Hummingbird
D. Kangaroo rat
Explanation:
These animals live in a very harsh climatic region so the need fulfill their hunger properly according to the difficulties and problems.
why do we not see other components of cell? are they absent?
Answer:
They are microscopic (small) and they are protected by the outer wall/membrane
Explanation:
What would happen if you changed the temperature and ph around the enzyme?
However, extremely high temperatures can cause an enzyme to lose its shape (denature) and stop working. pH: Each enzyme has an optimum pH range. Changing the pH outside of this range will slow enzyme activity. Extreme pH values can cause enzymes to denature.
If the temperature and pH around an enzyme is changed, the enzyme would likely denature. Details about enzymes can be found below.
What is an enzyme?Enzymes are biological catalyst that regulates the rate of biochemical reactions in living cells.
Enzymes function at a particular temperature and pH and can easily get denatured i.e. alter its original form.
This suggests that if the temperature and pH around an enzyme is changed, the enzyme would likely denature.
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Relative time of divergence from a common ancestor can be estimated by:.
The relative time of divergence from a common ancestor can be estimated by comparing the nucleotide/protein sequence.
What is sequence homo-logy?In molecular biology, sequence homo-logy means the degree of similarity between sequences due to a common ancestor.
A sequence is a given fragment of a single DNA strand where nucleotides are arranged in a specific linear order.
Divergence or separation between lineages is directly proportional to the level of sequence homo-logy.
In conclusion, the relative time of divergence from a common ancestor can be estimated by comparing the nucleotide/protein sequence.
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What observation led Darwin to believe that the A. Demarlii is
terrestrial?
O They slowly crawl along the ground.
O They are found only in the center of the island.
O They have yellow-orange bellies.
O They weigh between ten and fifteen pounds.
Answer:
Explanation:
hi!
I think it is A
terrestial animals are animals that live on land ...it could be B but terrestrial animals are not only found on islands and A days they crawl in the GROUND
if you ask me I think it is tricky question on its own
hope it helps
Answer:
It is they are only found in the center of the island
Explanation:
Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives. a. Host ribosomes cannot translate it. Need to copied to strand to make viral proteins b. Translated directly to make viral proteins c. Integrated viral genome in an animal host d. Enzyme needed to copy RNA to RNA e. Synthesizes complementary ssDNA once inside the cell.
The lettered items are matched with the correct numbered items as follows:
a. -SSRNA: host ribosomes cannot translate it. Thus, it need to be copied to + strand to make viral proteins.
b. +SSRNA: it can be translated directly to make viral proteins.
c. Provirus: the integrated viral genome in an animal host.
d. RNA dependent RNA polymerase: an enzyme needed to copy RNA to RNA.
e. Retrovirus: it synthesizes complementary ssDNA once inside the cell.
What is a genome?A genome can be defined as the complete set of hereditary instructions which is typically found in the deoxyribonucleic acid (DNA) such as:
+SSRNA-SSRNADSRNAIn conclusion, the lettered items should be matched with the correct numbered items as follows:
-SSRNA: the host ribosomes cannot translate it. Thus, it need to be copied to + strand to make viral proteins.+SSRNA: it can be translated directly to make viral proteins. Provirus: the integrated viral genome in an animal host. RNA dependent RNA polymerase: an enzyme needed to copy RNA to RNA. Retrovirus: it synthesizes complementary ssDNA once inside the cell.Read more on genome here: https://brainly.com/question/2193677
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Complete Question:
Match the items. The task is to match the lettered items with the correct numbered items. Appearing below is a list of lettered items. Following that is a list of numbered items. Each numbered item is followed by a drop-down. Select the letter in the drop down that best matches the numbered item with the lettered alternatives.
a. Host ribosomes cannot translate it. Need to copied to strand to make viral proteins
b. Translated directly to make viral proteins
c. Integrated viral genome in an animal host
d. Enzyme needed to copy RNA to RNA
e. Synthesizes complementary ssDNA once inside the cell.
1. +SSRNA
2. -SSRNA
3. Retrovirus
4. RNA dependent RNA polymerase
5. Provirus
Put the following events of the neuromuscular junction in the order in which they occur. 1. Action potential is propagated in the sarcolemma. 2. Acetylcholine binds to ligand gated sodium channels. 3. Action potential arrives at the neuromuscular junction. 4. Vesicles full of acetylcholine are stored at the axon terminal. 5. Acetylcholine is released into the synaptic cleft.
Muscle contraction occurs when somatic neurons and muscle fibers connect through neuromuscular synapse. The order of events is 4, 3, 5, 2, 1.
How does muscle contaction occur?Muscle fiber contractions are due to stimulation produced by somatic motor neurons, when their axons get in contact with muscle fibers through a neuromuscular synapse.
The sequence of events during muscle contraction is as follows,
1) At rest, attraction strengths between myosin and actin filaments are inhibited by the tropomyosin.
2) An action potential originates in the central nervous system, and travels to the somatic motor neuron membrane, where it activates the calcium channels.
3) Calcium channels open and the ions get into the neuron.
4) Calcium makes vesicles fuse with the membrane.
5) Vesicles release the neurotransmitter acetylcholine (Ach) into the synaptic space at the juncture.
6) Ach moves through the synaptic cleft and binds to its receptors on the skeletal muscle fiber.
7) This recognition event causes the ion channels to open,
sodium ions cross the membrane to get into the muscle fiber (sarcoplasm), potassium gets out.8) The difference in charges caused by the migration of sodium and potassium makes the muscle fiber membrane turns more positively charged (depolarized).
9) The action potential caused by the depolarization enters the t-tubules. Consequently, it depolarizes the inner portion of the muscle fiber.
10) Depolarization activates the T tubules membrane calcium channels and releases the ion into the sarcolemma.
At this point, tropomyosin is obstructing binding sites for myosin on the thin filament.
11) When calcium binds the troponin C, the troponin T alters the structure of tropomyosin by moving it and unblocks the binding sites.
12) Myosin binds to the uncovered actin-binding sites, and while doing it, ATP is transformed into ADP and inorganic phosphate.
13) Z-bands are then pulled toward each other, thus shortening the sarcomere and the I-band and producing muscle fiber contraction.
According to this framework, the correct order of events is,
4. Vesicles full of acetylcholine are stored at the axon terminal.
3. Action potential arrives at the neuromuscular junction.
5. Acetylcholine is released into the synaptic cleft.
2. Acetylcholine binds to ligand gated sodium channels.
1. Action potential is propagated in the sarcolemma.
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