How does a plant provides a habitat to a field mouse
Suppose concordance data were collected from a cohort study of twins to study the genetic contribution to the onset of type 1 diabetes, also called juvenile diabetes. both monozygotic (identical) twins and dizygotic (fraternal) twins who grew up together in the same household were included. the concordance rate was found to be 73% among monozygotic twin pairs and 11% in dizygotic twin pairs. what general conclusion about type 1 diabetes can be drawn from these results?
The red blood cell liposomes contain more aquaporins than the frog egg liposomes true or false
Identify and explain three major issues that cut across psychology
What type of model is a computer game?
plant species has two alleles for leaf color. if plant species B has four alleles for leaf color , how will the two species differ in their appearance ?
Answer:
Allele is the different version of the same gene. Mostly one gene contains two alleles for a trait for example gene for flower color have two alleles R (for red flower) and r(for white flower) so only these two color can be seen in phenotype.
So if a plant species have only two allele for leaf color it can express only either of two color in its leaf but if a species contains more than two alleles for leaf color that the leaf can express any of color out of them.
Therefore species B will differ in appearance because it can express four-color due to having four alleles for leaf color but other species having only two alleles can express only two color.
Daily rhythms of sleep and wakefulness are regulated by the _____, which is found in the _____.
The red blood cell liposomes are more hypertonic relative to water than the frog egg liposomes.
The red blood cell liposomes are more hypertonic relative to water than the frog egg liposomes.
True, because they contain more ion channels which provide higher concentrations of ions.
True, because the concentrations of Na and Ca ions in red blood cells liposomes are higher than those of the frog egg liposomes.
False, because the interior solution in both sets of liposomes is the same.
False, because the concentrations of Na and Cl ions in red blood cells liposomes are lower than those of the frog egg liposomes.
The hypertonicity of red blood cell liposomes and frog egg liposomes would depend on the respective concentrations of solutes, notably ions, within each. Carrying out measurements of these concentrations is crucial for a definitive comparison. Ion channels do not directly influence hypertonicity.
Explanation:Whether the red blood cell liposomes are more hypertonic relative to water than the frog egg liposomes depends on a few factors. To determine this, we would need to measure the concentrations of various ions in both types of liposomes.
In general, a solution is considered hypertonic if it has a higher concentration of solutes. Therefore, if the concentration of ions, particularly Na and Ca ions, in the red blood cell liposomes, is higher than the frog egg liposomes, then they would be more hypertonic. However, without specific concentrations, we cannot definitively say one is more hypertonic than the other.
It's also important to note that the presence of ion channels doesn't necessarily make a solution more hypertonic, as the hypertonicity is influenced by the concentration of solutes within the solution, not the pathways for solute movement.
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What organelle must temporarily break apart so that the dna can divide up?
The organelle that must temporarily break apart to allow DNA division (replication) to occur is the nuclear envelope. The nuclear envelope is a double membrane structure that surrounds the nucleus of eukaryotic cells.
The nuclear envelope is a double membrane structure that surrounds the nucleus of eukaryotic cells. It separates the cell's genetic material (DNA) from the cytoplasm, where most of the cell's activities take place. During DNA replication and cell division (such as mitosis and meiosis), the nuclear envelope needs to be disassembled to allow the DNA to be accessed and replicated. In preparation for cell division, the nuclear envelope disassembles to allow the DNA to be replicated and divided into daughter cells.
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During prophase, the nuclear envelope dissociates into small vesicles and organelles like the Golgi complex and endoplasmic reticulum fragment and disperses toward the periphery of the cell. This process enables the division of DNA.
Explanation:During prophase, the nuclear envelope starts to dissociate into small vesicles, and the membranous organelles (such as the Golgi complex or Golgi apparatus, and endoplasmic reticulum), fragment and disperse toward the periphery of the cell. The nucleolus disappears (disperses). The centrosomes begin to move to opposite poles of the cell. Microtubules that will form the mitotic spindle extend between the centrosomes, pushing them farther apart as the microtubule fibers lengthen. The sister chromatids begin to coil more tightly with the aid of condensin proteins and become visible under a light microscope.
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Which of the following has mechanical energy?
A. Battery
B. Burger bun
C. Stretched band
D. Visible light
Answer:
C. Streched band
Explanation:
When a spring is coiled up or a rubber band is stretched, mechanical energy is stored in it. When the spring uncoils or the rubber band snaps back, this energy is released. This stored mechanical energy is called potential energy because it has the potential to make things happen.
Sorry that this is so late
Answer:
stretched band
Explanation:
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:D
The medical word used today for muscle is very similar to the latin word origin, which is:
Cryptozoology is a field of study aimed at proving the existence of mystery animals such as Bigfoot and the Loch Ness monster. Why is cryptozoology not considered a true science?
Answer:
The answer is Cryptozoology is a pseudoscience that is incompatible with the scientific method
Explanation:
Cryptozoology is a practice that tries to prove the existence of extinct, mythological or folkloric animals. Cryptozoology is a pseudoscience, which is a belief or practice that is presented as scientific and factual, but is incompatible with the scientific method, since it is characterized by the use of vague, contradictory, exaggerated or infallible statements.
what must obtain energy through their diets
Answer:
Heterotrophs
Explanation:
The organisms that can not make their own organic food obtain the energy and nutrition from the food they eat. These organisms that depend on plants or other organisms for their energy are called heterotrophs.
For example, the human can not carry out photosynthesis as plants do. So, human obtain their energy from the food derived from plant and/or animal sources they eat.
At which site on the ribosome does the transfer rna dock initially during elongation?
Which nursing interventions should be included in the plan of care while cora is in traction?
This area, indicated by the arrow, of the endoplasmic reticulum (er) is involved in ______.
The answer is synthesis of proteins. The endoplasmic reticulum assists many general functions, containing the folding of protein molecules in sacs called cisternae and the transport of synthesized proteins in vesicles to the Golgi apparatus. This takes two steps: transcription and translation.
List 3 ways that living creatures use carbohydrates
What portion of the molecule in model 1 is responsible for the phospho- part of the structure?
The phosphate group is responsible for the phospho- part of a structure, critical in phosphorylation processes that regulate protein function and activity in cells. This group alters the molecule's structure and interactions, influencing cellular processes.
Explanation:The portion of a molecule responsible for the phospho- part of a structure is the phosphate group (or phosphorus atom surrounded by oxygen atoms). This group is essential in phosphorylation, a critical biological process where a phosphate group is added to a protein or other organic molecule. Phosphorylation can dramatically change a protein's structure and function by altering its ability to bind to other molecules or affecting its activity levels.
The addition of a phosphate group to serine, threonine, or tyrosine residues in proteins, as mentioned in various studies and models such as the TH active site changes upon phosphorylation and the protein phosphatase 1 active site structure, represents this significant biochemical transformation. The phosphate group introduces a charged, highly reactive site on the molecule, which can cause conformational changes due to electrostatic repulsion or attraction, hence affecting the molecule's interaction with other molecules and ions.
In biological systems, phosphorylation is often mediated by enzymes, such as kinase, which facilitate the transfer of the phosphate group from ATP (adenosine triphosphate) to the target molecule. This process is critical for regulating a wide range of cellular processes, from signal transduction pathways to cell growth and apoptosis. The structural impact of phosphorylation emphasizes why the phosphate group (phosphoryl transfer) is so vital in biochemical processes, offering a switch-like mechanism to turn on or off a molecule's activity.
What might happen to the food web below if the number of phytoplankton drastically decreased
D.
The entire food web, wood be, in fact, affected. You can follow the role path for the phytoplankton to see everything being affected.
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Explain the relationship between the observed gram reaction and bacterial cell wall structure
The relationship between the observed gram reaction and bacterial cell wall structure is crucial in distinguishing betweenGram-positive bacteria and Gram-negative bacteria.Gram-positive bacteria possess a thick cell wall with multiple layers of peptidoglycan, while Gram-negative bacteria have a thinner cell wall with fewer layers of peptidoglycan and an outer membrane.This difference in cell wall structure directly impacts how bacteria react to the Gram staining procedure, resulting in purple staining for Gram-positive bacteria and pink staining for Gram-negative bacteria.
Light is passed through a solution with a light path of 1 cm and the absorbance is recorded as 0.30. If light is passed through the same solution at the same wavelength and the light path is increased to 2 cm, the absorbance should be
What shape of fiber is wool?
Answer:
The wool fiber is cylindrical in shape, resembling a flat tube.
Explanation:
The natural hair coat of sheep commonly called sheep, sheep, lambs or lambs is called wool. The wool hairs grow from the epidermis of the animal and are more or less short, thin and wavy. These are the characteristics that will define the quality of the wool type.
The shape of the wool fiber is more or less cylindrical, resembling a flat tube. Each fiber consists of a point, a shaft and a root. The tip only exists in first shearing fibers. The root consists of a bulb that is softer than the stem and where the cells are developing.
Water striders are common insects that can skip across the surface of ponds and streams. this lifestyle is enabled by water's _____
Final answer:
Water striders are able to stand and skip across water due to water's surface tension, which is caused by cohesive forces between water molecules that create a 'skin' on the water's surface strong enough to support their weight.
Explanation:
Water striders are common insects that can skip across the surface of ponds and streams. This lifestyle is enabled by water's surface tension.
Surface tension results from cohesion or the attraction between water molecules at the surface of a body of water. This cohesive force creates a sort of 'skin' on the water's surface, which is able to support small insects like water striders, pond skaters, and water skaters. These insects are heavier than water, but because the force they exert downward is less than the force exerted among the water molecules at the surface, they do not sink.
Surface tension is a remarkable property that allows these small insects to effectively walk on water, making it seem as if they are floating. The legs of a water strider have adaptations that distribute their weight over a larger area, which helps to prevent breaking through the water surface.
Julie discussed wanting to become pregnant with her gynecologist. that doctor required julie to have a thorough physical examination by her internist, including ensuring all vaccinations were up to date before becoming pregnant. once the gynecologist received the internist's report that julie's medical examination was normal, he referred her to another physician in his practice, an obstetrician. an obstetrician is a _____.
An obstetrician is a doctor who specializes in caring for women during pregnancy and childbirth, within the field of obstetrics and gynecology.
An obstetrician is a doctor who specializes in the care of women during pregnancy and childbirth. Obstetrics and gynecology (OB/GYN) is a branch of medicine focusing on the diagnosis, treatment, and management of the female reproductive system, including during the prenatal period.
Reproductive endocrinologists further specialize within this field, requiring additional training and board certification to practice.
While examining a specimen under the microscope, Janet discovers a structure that has some genetic material that has RNA but not DNA. What is the specimen?
Answer:
The correct answer will be virus.
Explanation:
The virus is the infectious agents which cannot replicate themselves. these viruses contain a protein capsid surrounding the genetic material.
The genetic material in the virus could be DNA or RNA but do not have both as single-stranded or double-stranded forms.
A virus with RNA are common in nature and an only a limited amount of RNA or DNA can fit a capsid and the capsid along with genetic material is known as the nucleocapsid.
Since the specimens show RNA but not DNA it is a virus-like Ebola, polio, measles, therefore, the specimen is virus and is the correct answer.
Answer:
Janet is watching an RNA virus.
Explanation:
Viruses are microorganisms classified according to their DNA or RNA nucleic acids. They are formed by a protein capsule, the capsids and, inside this, there is only DNA or RNA. Accordingly, we can say that Janet is observing an RNA virus under the microscope.
Some viruses are called enveloped because they have the capsid formed by a lipid membrane resulting from the invaded cell plasma membrane. The capsule is also responsible for the specificity of the virus to adhere to certain cells, this is only possible because they have membrane proteins (receptors) that can fit into their proteins.
Paraphrase the explanation of how a virus reproduces. why did the fact that hela cells are malignant make them particularly useful in the study of viruses?
Josh finds that there definitely is a relationship between enzyme action and temperature and graphs his results. The enzyme functions as a biological catalyst and has its optimum effectiveness at A) 30 degrees. B) 39 degrees. C) 59 degrees. D) 60 degrees.
Answer:
B) 39 degrees
optimum means highest so the highest degree is 39 degrees.
Which dna sequences are complementary to 5’ catggacta 3’?
please choose the answer that describes the the scientific notation rotation for 5,098,000
Answer:
5.098 *10^6
Explanation:
The two main components of plant fertilizers which affect algal growth when they are delivered to aquatic systems via runoff are nitrate and .