Answer: Glucose, starch and iodine (potassium iodide) will readily pass through the membrane of the dialysis tubing.
Explanation:
Eukaryotic cells, when compared to
prokaryotic cells, tend to be which of the
following?
A. smaller and simpler
B. larger and more complex
C. larger, but simpler
D. Smaller, but specialized
Eukaryotic cells, when compared to prokaryotic cells, tend to be larger and more complex.
A eukaryotic cell posses plasma membrane, cytoplasm, and ribosomes, however a eukaryotic cell is generally larger than a prokaryotic cell . Its has a real nucleus and has different membrane-sure organelles that permit for compartmentalization of functions.
Prokaryotes are predominantly single-celled organisms of the domain names Bacteria and Archaea. All prokaryotes have plasma membranes, cytoplasm, ribosomes, a mobile wall, DNA, and absence membrane-certain organelles. Many additionally have polysaccharide capsules.
A eukaryotic cell is a mobile that has a membrane-certain nucleus and different membrane-certain booths or sacs, referred to as organelles, that have specialized functions. The phrase “organelle” means “little organ,” and, as already mentioned, organelles have specialized cell functions, simply because the organs of your frame have specialized functions.
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Answer:
largers and more complex
Explanation:
in angiosperms, the endosperm (not the primary endosperm) forms due to
The endosperm in angiosperms is a tissue that develops in the seed and provides nutrients to the developing embryo.
The endosperm forms as a result of double fertilization, which involves the fusion of one sperm cell with the egg cell to form the zygote, and the fusion of the other sperm cell with two polar nuclei to form the triploid endosperm nucleus. This nucleus then undergoes multiple rounds of mitosis to form the endosperm tissue.
The primary endosperm nucleus, on the other hand, is formed by the fusion of the two polar nuclei before fertilization and is found in certain angiosperm species such as the cereals.
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The process of ________ helps to ensure that a scientist’s research is original, significant, logical, and thorough.
Answer: peer review
Explanation:
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In order for medicine X to produce the effects that the researchers observed, it must have entered into which part of the targeted cells?
Golgi apparatus
nucleus
rough endoplasmic reticulum
ribosomes
Answer:
Nucleus
Explanation:
Answer:
In order for medicine X to produce the effects that the researchers observed, it would most likely need to enter the nucleus of the targeted cells. The nucleus is where genetic material, such as DNA, is stored and where gene expression is regulated. Depending on the specific mechanism of action of medicine X, it may need to interact with or affect gene expression in some way in order to produce its observed effects. While the other organelles listed (Golgi apparatus, rough endoplasmic reticulum, and ribosomes) are important for various cellular functions, they are less likely to be directly involved in the mechanism of action of a medicine.
A study was conducted in a particular preschool to investigate whether there is a link between breastfecding and a child's level of intellectual functioning, 20 breastfed and 40 not breastfed (non-breastfed) four year old children were involved. Each child is allocated a unique ID number between 1 and 60 (inclusive). Each child had to answer a few basic questions. To motivate them to answer all questions, the investigator offered Whittaker's Miraka Kirīmi (chocolate) bar. (a) For each of the following scenarios, identify the named distribution that can be used to model X, including its parameter(s). i. Each day a randomly chosen child is given a chocolate bar. All 60 children are in the draw every day. Let X be the number of days before the child with ID number 1 is chosen twice. Note that the day on which the child with ID number 1 is chosen for the second time is not counted. [2 marks] ii. Five children are randomly chosen to sit around one table and do their test. Let X be the number of non-breastfed children chosen. [2 marks] (b) Refer to your choice of named distribution in 2(a)ii above and answer the following questions. i. Find the expected value of X,E(X), and the variance of X,Var(X). [2 marks] ii. What is the probability that at least one child in the group of five children chosen to do the test is breastfed? [2 marks]
The variance of X, Var(X), for the hypergeometric distribution, the formula is: 1.67
How to calculate the valueThe hypergeometric distribution has three parameters:central idea
N: the total population size (60 children in this case)
K: the number of success states in the population (40 non-breastfed children in this case)
n: the number of draws (5 children chosen in this case)
To calculate the variance of X, Var(X), for the hypergeometric distribution, the formula is:
Var(X) = n * (K / N) * ((N - K) / N) * ((N - n) / (N - 1))
Using the same values as before, we have:
Var(X) = 5 * (40 / 60) * ((60 - 40) / 60) * ((60 - 5) / (60 - 1))
= 1.67
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Which of the following are warm blooded animals that are oviparous?
a. fishes
b. reptiles
c. birds
d. amphibians
After DNA is unzipped, what is the next step in DNA replication?
A. Messenger RNA forms along the exposed DNA bases.
B. A chromosome with two identical strands of DNA is formed.
C. Nitrogen bases pair up with the DNA strands.
D. Ribosomes attach to DNA and move along the strand.
Answer:
Step 2: Primer Binding
The leading strand is the simplest to replicate. Once the DNA strands have been separated, a short piece of RNA called a primer binds to the 3' end of the strand. The primer always binds as the starting point for replication. Primers are generated by the enzyme DNA primase.
Explanation:
I need help for Monday pls
Answer:
Explanation:
1.foods
2. lemons or any of acidic fruit
3.washing powder
4. arrhenius Acid
5. hydrogen
6. alkali/ base
7. water?
8. alkali
9. hydroxide
unsure about the rest sorry
Answer:
((1))●many __foods__
●__vegetables__
●such as __detergents__
((2))
●acids
a) H
H2O
b) hydronium
((3))
● bases
a)Hydroxide
Water
separate
b)water
hydrogen
hydroxide
B1) pH
inverse
a) acidic
b) basic
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List 3 things you have learned from the state officer visit.
Well state officers teach you many skills, like self defense , firearms training, and first aid skills and knowledge hope i helped.
List and explain the 3 paths natural selection can take.
Answer:
1. Stabilizing Selection
2. Directional Selection
3. Disruptive Selection
Explanation:
Stabilizing Selection
This type of natural selection occurs when there are selective pressures working against two extremes of a trait and therefore the intermediate or “middle” trait is selected for. If we look at a distribution of traits in the population, it is noticeable that a standard distribution is followed:
Example: For a plant, the plants that are very tall are exposed to more wind and are at risk of being blown over. The plants that are very short fail to get enough sunlight to prosper. Therefore, the plants that are a middle height between the two get both enough sunlight and protection from the wind.
Directional Selection
This type of natural selection occurs when selective pressures are working in favour of one extreme of a trait. Therefore when looking at a distribution of traits in a population, a graph tends to lean more to one side:
Example: Giraffes with the longest necks are able to reach more leaves to each. Selective pressures will work in the advantage of the longer neck giraffes and therefore the distribution of the trait within the population will shift towards the longer neck trait.
Disruptive Selection
This type of natural selection occurs when selective pressures are working in favour of the two extremes and against the intermediate trait. This type of selection is not as common. When looking at a trait distribution, there are two higher peaks on both ends with a minimum in the middle as such:
Example: An area that has black, white and grey bunnies contains both black and white rocks. Both the traits for white and black will be favored by natural selection since they both prove useful for camouflage. The intermediate trait of grey does not prove as useful and therefore selective pressures act against the trait.
What conditions may occur when a population is in exponential growth
Answer:
some of the organisms may nit have enough food to survive bc theres not enough to go around
Explanation:
Which answer provides a definition of voice that is specific to the domain of English language arts?
Answer:
The answer that provides a definition of voice that is specific to the domain of English language arts would be (the style and tone that makes a writer's work unique).
Help me with this question please.
Answer:
C
Explanation:
Hydro means water, water is a renewable source. hope this helps!
Explain two ways in which mitosis is biological significant
Mitosis is a way of making more cells that are genetically the same as the parent cell. It plays an important part in the development of embryos, and it is important for the growth and development of our bodies as well. Mitosis produces new cells, and replaces cells that are old, lost or damaged.
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If a cell loses water and shrinks it is known as a?
Answer:
Hypertonic solutions
Explanation: hope this helps
What type of mutation involves a fragment of achromosome breaking off and attaching to another chromosome?
The type of mutation that involves a fragment of a chromosome breaking off and attaching to another chromosome is called a chromosomal translocation.
Chromosomal translocation is a type of mutation that occurs when a fragment of a chromosome is lost or broken and then rejoins a non-homologous chromosome in a nonreciprocal or reciprocal way.
Translocation can occur between two different chromosomes (translocation) or within a single chromosome (inversion). It affects the number or structure of chromosomes, resulting in abnormalities in the chromosomal complement. There are two types of chromosomal translocations, balanced and unbalanced.
- A balanced translocation refers to a chromosomal rearrangement in which the chromosomes' genetic content is maintained but has been rearranged.
- Unbalanced translocations, on the other hand, refer to a chromosomal rearrangement that results in loss or gain of chromosomal material.
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estimates of bmr for males is ____ kcal/kg/hr and for females is ____ kcal/kg/hr. jake is a 24 year old male who weighs 215 pounds. his current bmr is __________.
The estimate of BMR for males is approximately 1.0-1.1 kcal/kg/hr, and for females, it is around 0.9-1.0 kcal/kg/hr. Jake, a 24-year-old male weighing 215 pounds, would have a current BMR of approximately 0.9 kcal.
What is Jake's estimated BMR based on his age, gender, and weight?BMR, or Basal Metabolic Rate, refers to the number of calories the body needs to perform basic physiological functions at rest. It represents the energy expenditure required to maintain essential bodily processes, such as breathing, circulating blood, and regulating body temperature.
The estimated BMR for males is typically higher than that for females, as males tend to have a higher muscle mass and generally higher metabolic rates. The range for BMR estimates is around 1.0-1.1 kcal/kg/hr for males and 0.9-1.0 kcal/kg/hr for females.
To calculate Jake's estimated BMR, we first need to convert his weight from pounds to kilograms. Since 1 pound is approximately 0.45 kilograms, Jake's weight would be around 215 pounds * 0.45 kg/pound = 0.9kcal/kg/hr kg.
Next, we can use the estimated BMR range for males and multiply it by Jake's weight in kilograms to find his BMR in calories per hour. The result will give us an approximation of the calories Jake's body would burn at rest.
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What is the half-life of Schist (the rock)?
Answer:
Explanation:
dwane the rock johnson- the future president of america
The main difference between cultivated plants and wild plants is that cultivated plants may be considered __________ before they are harvested.
The main difference between cultivated plants and wild plants is that cultivated plants may be considered Personal Property before they are harvested.
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The nurse should anticipate that the primary health care provider (phcp) will prescribe which treatment for a client with pernicious anemia?
The nurse should anticipate that the primary health care provider (hcp) will prescribe which treatment for a client with pernicious anemia is Vitamin B12 injections.
What is the Vitamin B12 injection?
Injections of hydroxocobalamin or cyanocobalamin are frequently administered. These work wonders to boost B12 levels in the blood and stop/cure deficiencies. A doctor may recommend vitamin B12 injections to address a vitamin B12 shortage, particularly if the patient's body has trouble absorbing the vitamin. The effects of a vitamin B12 shortage might range from fatigue to long-term neurological damage. The effects of vitamin B12 injections typically last for approximately a week, but it's crucial to have a medical professional give them. Additionally, the healthcare professional will choose the right B12 dosage based on the patient's present health and nutrition.
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A student observes that a plant has droopy leaves and stems and infers that the rate of photosynthesis has slowed in the plant. Which statement provides evidence to support the student’s inference?
Answer:
A. The water pressure in the plant's vacuole is low, and without water, the chloroplasts cannot convert carbon dioxide to glucose during photosynthesis.
Explanation:
Photosynthesis occurs on chloroplasts which are located on the surface of leaves. Photosynthesis is the conversion of carbon dioxide, water, and light energy to produce glucose and oxygen for plants.
The vacuoles inside the plant's cell contain stored food and absorb water through osmosis. Water in the vacuole has more solutes than water outside the vacuole. This causes the Turgor Pressure which the vacuole impacts on the plants. If the reverse becomes the case, water is lost from the vacuole causing it to shrink.
Flaccidity of the vacuole and the cell wall will cause the chloroplasts where photosynthesis occurs to shrink.
The inability of organisms to evolve anything that could be an advantage reflects _____.
The inability of organisms to evolve anything that could be an advantage reflects the limits of historical constraints.
Evolutionary constraints are limitations, biases, or restrictions on how adaptive evolution proceeds or turns out. The phrase typically refers to elements that control or direct the course of natural selection. It is not the same as evolutionary stasis (lack of change) or even stasis-causing variables. Stabilizing selection may lead to evolutionary standstill, however externally-driven stabilizing selection is rarely seen as a limitation. All evolution is, broadly speaking, constrained.As a result, populations frequently have a restricted capacity for absolute evolution, meaning that no mutation could possibly cause the lineage to follow a certain evolutionary course.
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please help me- how does rock layer h compare to rock layer m?
Answer: Rock layer H is much newer than rock layer M. If all layers were perfectly stacked, the lower layer would be older. However, since we can see Layer H was probably formed by a crack that was filled with magma, Layer H will be newer.
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If we penetrate a plant and an animal cell, which one of them would lose its shape?
Answer:
plant cell would lose its shape
How red blood cell adapt to function
Answer:
Red blood cells haveadaptations that make them suitable for this: they contain haemoglobin - ared protein that combines with oxygen. they have no nucleus so they can contain more haemoglobin. they are small and flexible so that they can fit through narrow blood vessels.
Explanation:
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Sketch and label the pluck.
Explanation:
i hope this will help you mark me brainlist
Name the substances that plants excrete.
Answer:
Plants need to excrete excess carbon dioxide and oxygen. Carbon dioxide is a waste product of aerobic respiration in plant cells. Oxygen is a waste product of photosynthesis .
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Muscles can only contract, so they occur in pairs. In the arm, the biceps muscle is a flexor-that is, it closes the limb. The triceps muscle is an extensor that opens the limb. This configuration is t
The tension in the biceps muscle T_AB can be determined as T_AB = 2W, and the magnitude of the force exerted by the forearm on the upper arm at the elbow joint C is equal to the weight of the forearm, which is 9 N.
In this scenario, the elbow joint is modeled as a simple machine, specifically a lever system. The weight of the forearm acts as the load, and the tension in the biceps muscle acts as the effort. According to the lever principle, the input force (tension in the biceps muscle) is greater than the output force (force exerted by the forearm on the upper arm at the elbow joint).
Since the weight of the forearm is given as 9 N, we can determine the tension in the biceps muscle T_AB by using the relation T_AB = 2W, which yields T_AB = 2(9 N) = 18 N. Therefore, the tension in the biceps muscle is 18 N.
The magnitude of the force exerted by the forearm on the upper arm at the elbow joint C is equal to the weight of the forearm, which is given as 9 N. This force represents the output force of the lever system at the elbow joint.
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Which event occurs during telophase of mitosis?cytoplasm dividesnuclear membranes reformsister chromatids separatechromosomes become visible
During the Telophase, the daughter chromosomes reach the poles. Telophase passes into the next interphase as the nuclear envelopes and the nucleoli re-form and the chromatin becomes diffuse.
On the other hand, remember that cytokinesis starts during the nuclear division phase called anaphase and continues through telophase. Cytokinesis is the physical process of cell division, which divides the cytoplasm of a parental cell into two daughter cells.
We can conclude that the correct answers are:
Answer:Nuclear membranes reform
and
Cytoplasm divides
Chromosomes and genes are alike because they both contain _____________________ material.