Cell Biology:
1. Which cell is more sophisticated: prokaryotic or eukaryotic?
2. Give one characteristics you could use to determine whether a cell is prokaryotic or eukaryotic.
3. Give two characteristics you could use to determine whether a cell is a plant or animal cell.
4. Explain the function of mitochondria.
5. Give the name of the organelle that manages or controls all the cell functions in a eukaryotic cell.
Answers
Answer:
1. eukaryotic
2. if it's a single cell organism it's prokaryotic, if it's multicellular it's eukaryotic
3. a plant cell will have chlorophyll and cell walls, animal cells lack cell walls and chlorophyll
4. the mitochondria creates energy for the cell through ATP
5. Nucleus
Answer:
Explanation:
1. Which cell is more sophisticated: prokaryotic or eukaryotic?
Eukaryotic Cells are more sophisticated because of multiple factors. One such factor is the fact that Eukaryotic Cells have a nucleus that houses the DNA while the DNA of Prokaryotic Cells are in the cytoplasm. Eukaryotic Cells also have organelles that carry out a variety of functions (Mitochondria, Ribosomes, Endoplasmic Reticulum) whereas Prokaryotic Cells have only the basic organelles (in most cases only Ribosomes).2. Give one characteristic you could use to determine whether a cell is prokaryotic or eukaryotic.
The presence of a Nucleus. Prokaryotic cells don't have a nucleus, while Eukaryotic Cells do.3. Give two characteristics you could use to determine whether a cell is a plant or animal cell.
The presence of a central vacuole (plant cells have a central vacuole but animal cells do not).The presence of a cell wall (plant cells have a cell wall but animal cells do not).4. Explain the function of mitochondria.
The mitochondria are considered the 'powerhouse' of the cell. This is because it is the site of most of the respiratory process which produces energy for the cell in the form of ATP.5. Give the name of the organelle that manages or controls all the cell functions in a eukaryotic cell.
The Nucleus is considered the 'brain' of the cell because it directs all of the cell's functions.(photos by Expii and BioNinja respectively)
Related Questions
Because of mitosis, all cells, differentiated or not, except for sex cells have ______ DNA from the parent to daughters cells.
a.) identical
b.) different
c.) similar
Answers
Answer:
a.) identical
Explanation:
Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cells.
what is a 3x3 punnet square
Answers
Answer:
A Punnett square is a chart that allows you to determine the expected percentages of different genotypes in the offspring of two parents. A Punnett square allows the prediction of the percentages of phenotypes in the offspring of a cross from known genotypes.
Explanation:
food Web
please help
Answers
a. slug, frog, newt
b. plants, slug-insect-water fleas, frog-fish-newt, perch-fox, heron
c. water fleas, diving beetles
d. heron, perch
e. one thing that could happen if all frogs suddenly died is that there would be an overpopulation of slugs, insects, and beetles. another thing that could happen would be that foxes would only rely on getting slugs for food so the slugs would soon go extinct and the plants would possibly over populate.
hope this helps!!
a. Producer: Land plants and tiny water plants.
a. Three consumers: Slug, insect, and newt.
b. Food chain with six levels: Land plants, insects, diving beetle, small, perch, and heron.
c. Small fish eat diving beetle and water fleas.
d. Heron and perch each small fish.
e. Food will decrease for foxes and herons in the food web.
a. Within the given food web, land plants and tiny water plants serve as the primary producers. They capture energy from the sun and convert it into usable energy through photosynthesis.
b. Moving along the food chain, the insects, such as caterpillars or grasshoppers, serve as a food source for other organisms.
c. The land plants provide energy to the insects, which in turn provide energy to the diving beetle. The diving beetle sustains the small perch, which is then consumed by the heron.
d. Heron and perch each small fish in the given food web. Perch and Heron are consumers of small fishes.
e. In the given food web, if there were a decrease in the population of small fish such as perch and water fleas, which are part of the diet of herons and small fish respectively, the herons and foxes would experience a decrease in their food supply. This would likely have an impact on the population dynamics and interactions within the food web, potentially leading to changes in the abundance and distribution of the organisms involved.
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Which type of molecule is least able to cross the membrane without transporters?
Answers
Answer:
Only small hydrophobic molecules can enter the cell without specialized transporters. Water enters the cell through aquaporins and bulky polar or charged molecules need a channel or carrier protein transporter.
Explanation:
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explain how transport across the plasma membrane is related to the homeostasis of the cell.
Answers
Transport across the plasma membrane is fundamental for maintaining an equilibrium state in the cell.
The cells need to carry out different metabolic processes such as reproduction, growth, differentiation, etc.Many of these processes require the presence of certain substances as well as concentration gradients to be performed.Moreover, the cells also need to eliminate waste products that otherwise would be toxic for them.In conclusion, transport across the plasma membrane is fundamental for maintaining an equilibrium state in the cell.
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Explain how the following diagram illustrates evaporates.
Also, complete the diagram, include a description of
evaporates and examples of evaporates.
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see image hope it helps you
lipids are stored in an?
Answers
Answer:
adipose tissue
Explanation:
hope this helpssssssss
What happened to the elk population immediately after the wolves were reintroduced?
Answers
Answer:
The elk population declined
Explanation: The reintroduction of wolves in an area where elks were living should decline due to wolves being predators and terratorial.
Because the wolves hunted the elks it cause them to migrate or be killed?
which type of medium supports the growth of the widest range of bacteria
Answers
The medium that supports the growth of the widest range of bacteria is the enriched medium.
Agar plate mediums are used to promote the growth of certain bacterias needed for studies. Some bacteria respond well to one medium, but will not grow in another. For this reason, many kinds of mediums exist, including:
MinimalEnriched Selectivedifferentialand many others.
The Enriched medium supports the growth of the widest range of bacteria by containing a wide variety or nutrients and lacking in inhibitors like that of the enrichment medium which would not allow certain bacteria to grow.
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Identify the independent variable from the following hypothesis: If the temperature of the room is increased, then the assertiveness of the students will decrease.
Answers
Answer:
The temperature is the Independent Variable
Explanation:
If Ajanae dissolves 60 mL of dry Kool-Aid into 540mL of water, what percentage of the drink is
dry Kool-Aid?
Answers
The exoskeleton of an insect provides a stiff, protective armor. Despite the protection, How might an exoskeleton be a disadvantage for growth and movement?
Answers
Answer:
They can’t expand or stretch with out a synthesize a new exoskeleton underneath the old one and then sheds or molt the original covering.
An Exoskeleton be a disadvantage for growth and movement because exoskeleton Restricts the growth of the organism due to its rigidity.
what is an Exoskeleton?In contrast to the interior skeleton of a human, an exoskeleton is the external skeleton that supports and protects an animal's body. Some of the larger exoskeletons are referred to as "shells" in common language.
what are the advantages of Exoskeleton?Having a hard covering on the outside in the form of an exoskeleton is a great defense against predatorsit helps to support the body and it's like wearing a portable raincoat that keeps the creature from getting wet or drying outIt also protects the fragile interior organs and muscles of the animal from harmwhat are the disadvantages of Exoskeleton?An exoskeleton provides a significant restriction on growth. Arthropods must exfoliate, shedding their old shell and growing a new one, because their exoskeletons do not grow with them
thus exoskeleton may provide protection to the insect but ristricts the growth of arthropod.
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what evidence suggests that birds evolved from theropod dinosaurs?
Answers
Answer:
Feathers
Explanation:
For a long time, feathers were regarded as a uniquely avian feature. Bur recent fossil evidence suggests that feathers, too, evolved in theropods before birds.
Which observation led Mendel to the idea that parents passed only part of their genes to offspring?
○ A tall plant could transfer alleles for a short plant to the offspring.
○ A short plant always transferred alleles for a tall plant to the offspring.
○A short plant could transfer alleles for a tall plant to the offspring.
○ A tall plant always transferred the alleles for a short plant to the offspring.
Answers
How can risk factors for circulatory disease be controlled? Justify your answer
Answers
Answer:
eat healthydont do alchoholdont do smoking of any type (cigaretter, hookah, marihuana)be physically active lower your stress; dont be under pressure when you are causing itstay at a healthy and average weight (stay away for underweight and obesity)certain white blood cells engulf microorganisms and bring them in to digest them. this process is best described as
Answers
Phagocytosis occurs in the scavenging white blood cells of our body. They prowl around looking for invading bacteria and viruses which they engulf and destroy.
Jeff conducted a simple experiment on the effect of rising temperature on food. He concluded that while heat is useful for cooking food, it can lead to food spoilage if food is left outside in hot weather. He presented his results to his science class. How should the teacher and students respond if they are skeptical?
A.
Accept Jeff's results as true.
B.
Reject Jeff's conclusion.
C.
Repeat the experiment themselves.
D.
Be indifferent to Jeff's conclusion.
E.
Ask Jeff to stop experimenting with food.
Answers
Answer:
Repeat the experiment themselves.
Explanation:
Answer:
C. repeat the experiment themselves
Explanation:
account for the result obtained on the Strip when put in strong salt solution
Answers
Answer:
qoi4f
ogfugc2bcgoue2edgd3ugiudgi1edo1dbqouefgfe2
what part of the femur articulates with the patella?
Answers
Answer:
The femur is the longest bone in the human skeleton. It functions in supporting the weight of the body and allowing motion of the leg. The femur articulates proximally with the acetabulum of the pelvis forming the hip joint, and distally with the tibia and patella to form the knee joint.
Explanation:
what major event leads to the release of neurotransmitters in the synapse?
Answers
River water carries:
Sandy soil
Alluvial soil
Loamy
Black soil
Answers
Answer:
Alluvial soil.............,.........
Answer:
sand soil and pebbles
Explanation:
sand soil , pebbles
Why are sand dunes commonly found along the coast?(1 point) The salt in the water is needed to hold the sand together. The salt in the water is needed to hold the sand together. Moving water is needed to deposit the particles on the river bed. Moving water is needed to deposit the particles on the river bed. There is a lot of wind to carry the particles. There is a lot of wind to carry the particles. Heavy wave action is needed to move the sand.
Answers
it's the 2 one hope this help :)Answer:
Explanation:
how to read a phylogenetic tree ( add details pls)
Answers
Answer:
The outgroups can usually be identified by locating the terminal taxa that branch off nearest the base of a phylogenetic tree. On this tree, the outgroup is the fairy shrimp � a group of crustaceans that are closely related to the insects.
Explanation:
Really need help help
Answers
Answer:
The only way to tell the difference is the time of day -- the waxing crescent moon is seen in the evening and the waning crescent is seen in the morning. ... The moon takes 29.5 days to orbit the Earth (almost a month), meaning the waxing phases of the moon happen on different dates each month.
The reactants for a biochemical reaction are C6H12O6 + 6O2. What will be the products for this reaction, and where does the reaction take place?
Answers
Answer:
Glucose ( 6 carbon atoms) is split into 2 molecules of pyruvic acid (3 carbons each). This produces 2 ATP and 2 NADH. Glycolysis takes place in the cytoplasm. This breaks down the pyruvic acid to carbon dioxide.\
It takes place both in plants and animals.
Researchers have identified and sequenced the genes encoding proteins associated with nuclear pores in both yeast and vertebrates. They have used these data to determine the amino acid sequences of these proteins and have applied molecular modeling techniques to predict the three-dimensional structures of the proteins. All contain nearly identical folding regions that may serve to hold lipid membranes in sharp curves. Because this finding has been demonstrated in both yeast and vertebrates (representing organisms that diverged long ago in evolutionary history), it provides evidence of a possible mechanism for the evolution of a subcellular structure. Which subcellular structure is this
Answers
Answer:
Endomembrane system
Explanation:
the property which allows insects and other organisms to walk on water is called
Answers
Answer:
Surface Tension
please help!!!!!!!!!!!!!!!!!!
Answers
/ similiar chromosomes,one from each
parent
What are the products of the light reactions used for during in the dark reactions of photosynthesis?
Answers
Answer: Glucose and Oxygen
Explanation: The two products of the light dependent reactions in photosynthesis are glucose and oxygen and are produced through the reconstruction of water and CO2 in the air. The light independent reactions also known as cellular respiration is a process identical to the human cellular respiration where glucose is broken down and rearranged with oxygen to create mechanical energy leaving CO2 and H2O left over.
You place two fish in different sized tanks, after a month, you measure the length of the fish.
What is the manipulated variable and the responding variable?
Answers
Answer:
The manipulated variable is how many fish you put in the tank. The responding variable is how much the fish have grown.
Explanation:
A manipulative variable is the independent variable in an experiment or equation. It's called “manipulated” because it's the one you can change in the problem. A responding variable is something that “responds” to changes you make in an experiment. Hope this helps!