The nurse is caring for the client who is at risk for lung cancer because of an extremely long history of heavy cigarette smoking. the nurse tells the client to report which frequent early symptom of lung cancer
Bodily functions that follow "a law unto itself" are controlled by the involuntary nervous system. this system is also termed __________ and functions to __________.
what occurs during metaphase 1 in meiosis
In metaphase 1 of meiosis, homologous chromosomes align at the equatorial plate of the cell through a process called synapsis forming bivalents. Another event that occurs is the independent assortment of each homologous pair along the equator which contributes to genetic diversity.
Explanation:During metaphase 1 in meiosis, the homologous chromosomes align at the equatorial plate of the cell. This alignment happens through a process called synapsis. This process is unique to meiosis and results in bivalent or tetrads, which consist of two homologous chromosomes, each made up of two sister chromatids. Another event that occurs during metaphase 1 is called independent assortment. This means that the orientation of each homologous pair along the equator is random. This randomness contributes to genetic diversity through recombination between non-sister chromatids. In sum, metaphase 1 in meiosis involves the alignment of homologous chromosomes along the equator of the cell and independent assortment.
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The inflammatory response to corynebacterium diphtheriae infection results in the production of a lesion called a
Your teacher is describing a plant that bears seeds and flowers, has five flower petals, and had seeds that are enclosed by fruits. What kind of plant is he describing ?
Answer:
Angiosperm
Because they are flowering and encased in fruit.
Photosynthesis uses _____ to produce atp nadph and o2
How to enter date of birth while checking ibps po result?
What happens immediately after the chromosomes line up on the cell's equator?
A patient who suffered a stroke says that she no longer recognizes herself in a mirror. which brain structure was likely damaged in the stroke?
Answer:
The correct answer will be-right hemisphere
Explanation:
The right hemisphere is one of the two hemisphere of the brain which controls the main functions of the body.
The left hemisphere usually regulates the function of the left hemisphere but it is involved in the major functions like related to the language and self-awareness.
After a stroke caused by the blockage of the blood arteries carrying blood to the brain cause loss of self-awareness. This is caused by the disruption of the sense of self-awareness to the environment psychically and visuospatially.
Approximately 75 percent of the Earth's surface is covered in water. So why, based on the information in the table below, is water considered such a precious resource?
A.
Each year, more freshwater is being trapped in icecaps located at the North and South Poles.
B.
Global warming caused by greenhouse gas emissions will likely cause Earth's oceans to evaporate.
C.
The greenhouse effect is causing most of the world's freshwater to be trapped in the atmosphere.
D.
Only a small fraction of the Earth's water is freshwater available for drinking and irrigation.
Answer:
D.
Only a small fraction of the Earth's water is freshwater available for drinking and irrigation.
Explanation:
Water is considered a precious resources because a small percentage of all the water on earth is considered suitable for domestic and other important uses. Other water forms need to be processed before they can be deemed suitable for use and these processes are time and resource consuming.
_______ genes are expressed all of the time. activator constitutive inducible repressed clustered
The function of chlorophyll is to _____
make chloroplasts
make sugar
absorb ATP
absorb energy
the function of chlorophyll is to ABSORB ENERGY.
Look at the pea diagram. Some peas are round while other peas are wrinkled.
a. What are the two phenotypes of the peas?
b. How many genotypes do the peas have?
c. What are the two homozygous genotypes?
d. What is the heterozygous genotype?
e. Which pea shape (wrinkled or smooth) is dominant?
f. Which pea shape (wrinkled or smooth) is recessive?
g. What are the two genotypes for the dominant pea shape?
h. What is the minimum number of dominant alleles needed to show the dominant trait?
i. What is the genotype for the recessive pea shape?
j. What is the minimum number of recessive alleles needed to show the recessive trait?
The best single measure of physical working capacity is
What household item can be used to represent a nucleus and why?
A pea placed inside a football stadium can be used to represent a nucleus. This is because the pea’s small size in the large stadium represents the nucleus' size within an atom, reflecting how a nucleus is densely packed yet takes up a small fraction of an atom’s size. The stadium, similar to an atom, is mostly empty space.
Explanation:A great household item that can be used to represent a nucleus would be a pea placed inside a football stadium. This is due to the ratio of the sizes of the atomic nucleus to the atom itself. The nucleus is extremely small when compared to the whole atom, as the atom is mostly empty space. Just as the pea is very small when compared to the entire size of the football stadium. Essentially, the football stadium represents the atom, the pea is the nucleus, and the spectator seats represent the empty space within the atom. The players and other staff would serve as the electrons.
The nucleus of an atom is tightly packed with protons and neutrons (nucleons), housing almost all of the atom's mass but occupying an fractionally small amount of the atom's volume. Similar to this, the pea (nucleus equivalent) inside the football stadium takes up very little space but is densely packed, or represents the densest part.
To stress this point further, if we consider a stadium with a capacity of 60,000 people, then the pea in the center of the stadium is about 1/60,000th the size of the stadium, just like the size of an atomic nucleus in comparison to the atom it resides within.
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True or false? in the global carbon cycle, rivers link the terrestrial and marine reservoirs of carbon, whereas carbon exchange between the atmosphere and the ocean is achieved by active transport.
Humans are the definitive host for __________, which is a type of __________. humans are the definitive host for __________, which is a type of __________. plasmodium; cestode taenia solium; roundworm echinococcus granulosus; tapeworm taenia saginata; tapeworm
A multigravida in the active phase of labor says, "i feel all wet. i think i wet myself." what should the nurse do first
Final answer:
The nurse should first assess whether the woman's water has broken. If yes, she should inform the woman, monitor fetal heart rate, and assess labor progress. If no, explore other possible causes and provide reassurance and information on managing the situation.
Explanation:
In the scenario described, the student is a multigravida in the active phase of labor who feels wet, thinking she has wet herself. The nurse should first assess whether the woman's water has broken. The nurse can do this by performing a vaginal examination to check for a rupture of the amniotic sac.
If the nurse finds clear fluid pooling in the vagina or dripping from the cervix, it confirms that the woman's water has broken. The nurse should then inform the woman that her water has broken and ensure that further assessments are carried out, such as monitoring the fetal heart rate and assessing the progress of labor.
If the nurse does not find any evidence of ruptured membranes, it is important to explore other possible causes of the wetness, such as increased vaginal discharge or urine leakage. The nurse should reassure the woman and provide information on managing these situations.
Objects that identify elements in containers and can be manipulated to move among elements
While washing her hair, Olivia noticed that she was losing a lot of hair. She visited a clinic, and the physician reassured her that her hair would grow back. How do you think Olivia’s hair will grow back? The hair will grow back by undergoing regeneration. The hair will grow back by undergoing meiosis. The hair will grow back by undergoing binary fission. The hair will grow back by undergoing mitosis.
The right option is; The hair will grow back by undergoing meiosis.
Meiosis is a type of cell division in which the number of parental chromosome is reduced by half, and there is formation of four haploid daughter cells that are genetically distinct from the parent cell that produced them. Meiosis only occurs when the cell needs to reproduce and it occurs in all eukaryotic, sexually-reproducing animals and plants.
Answer:
the hair will grow back from undergoing mitosis
Explanation:
Organs _____.
only exist in animals
are less complex than the tissues which make them
perform functions that tissues cannot carry out on their own
are made of only one type of tissue
Answer:
perform functions that tissues cannot carry out on their own
Explanation:
In the hierarchy of living system organs come after tissues and before organ systems. Hence, organs are complex then tissues and perform functions that tissues wont be able to perform on their own.
A organ is made up of various types of tissues. They can be divided into two categories, main tissue and sporadic tissue. Main tissue or parenchyma is unique to that organ and defines the function of the organ. For example: Cortex and medulla together form the main functional tissue in kidney. Similarly, myocardium is the main tissue of the heart. Sporadic tissue has blood vessels, nerves and connective tissues.
To find a gene, you have to associate a phenotype with a genotype (e.g. all individuals with white flowers have a certain allele). it is much harder to find genes that are involved in polygenic traits than it is to find the genes responsible for discrete traits. why? it's much more difficult to determine the dna sequence of alleles associated with polygenic traits. the alleles associated with polygenic traits are usually co-dominant. polygenic traits results from extensive gene by gene interactions, which makes finding individual genes difficult. it's harder to find one of the many genes involved in a polygenic trait vs. the only gene involved in a discrete trait..
A woman who has sickle cell anemia passes this disease on to her offspring. This means that the mutation for sickle cell anemia MUST occur in the woman’s
Answer:
Sickle cell anemia is a disease in which the oxygen carrying capacity of the red blood cells is reduced. The RBC change its shape and becomes sickle shapes which reduces its surface area and its carrying capacity also decreases.
Sickle cell anemia is an autosomal recessive pattern, which states that both the copies of gene in the cell have mutation in them.
Both the parents carry one copy of the mutated gene and so not show any signs or symptoms but when the zygote is formed it is affected by this disease.
DDT is a pesticide that was banned because of its negative impact on the environment. DDT weakened eggshells and caused the decline of many bird species, including bald eagles. Which statement best summarizes the impact of DDT on bald eagles at a genetic level?
DDT changed the genotype of the individual without affecting phenotypes, thereby decreasing adaptation.
The ability to survive decreased because evolution cannot occur with low population numbers and low genetic diversity.
DDT caused changes in DNA that decreased the survival of offspring, thereby decreasing the overall numbers of the population.
New alleles decreased genetic diversity within the population.
The nurse working the evening shift is assisting clients in getting ready to go to sleep. a client diagnosed with obsessive-compulsive disorder (ocd) becomes upset and agitated and asks the nurse to sit down and talk. which response by the nurse would be best at this time
What is one of the top 5 causes of accidents in the u.s?
The seeds in a pod of one of mendel's pea plants are:
Why is DNA replication necessary before each cell division?
Some lipids are formed when fatty acids are linked to glycerol. these subunits are linked together by .
Lipids are formed when fatty acids are linked to glycerol via a process called esterification. This process forms an ester bond between the fatty acid and glycerol, resulting in a triacylglycerol, or a fat.
Explanation:Lipids are formed when fatty acids are linked to glycerol via a reaction known as esterification. This is a dehydration synthesis reaction (a type of condensation reaction) where water is removed, and the fatty acid is bonded to the glycerol.
This process occurs three times for each glycerol molecule, forming a triacylglycerol, or a fat. Specifically, the bond which links the fatty acid to the glycerol is called an ester bond.
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In pea plants, the tall-stem allele and the short-stem allele are different forms of the same what'