Cells that do not contain a nucleus are known as what?
Answer:
prokaryotes
Explanation:
What is the difference between the euphotic zone and the bathyal zone of the ocean
Answer:
Euphotic zone is the layer closer to the surface that receives enough light for photosynthesis to occur. Beneath lies the disphotic zone, which is illuminated but so poorly that rates of respiration exceed those of photosynthesis.
Bathyal zone is the part of the pelagic zone that extends from a depth of 1000 to 4000 metres below the ocean surface. It lies between the mesopelagic above, and the abyssopelagic below.It is ala known as midnight zone.
Explanation:
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What type of molecule forms the antibodies found in the human immune system?
Answer:
An antibody
Explanation:
If a DNA strand has 32 % guanine, what percent thymine does it contain?
A) 36%
B)18%
C)64%
D)32%
Answer:
B
Explanation:
Guanine and Cytosine pair together. So, if 32 percent is guanine, then 32 percent should also be cytosine. This is a total of 64 percent. The remaining 36 percent is split between thymine and adenine. So, Thymine will have half of 36 percent which is 18 percent.
What does a planet need in order to retain an atmosphere? How does an atmosphere affect the surface of a planet and the ability of life to exist?
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+233559259636What is the best science fair project bio in high school than
Answer:interactive model of any normal project
Explanation:
What is the lowest level of organization
A) nerve cell
B) brain tissue
C) brain(organ)
D) organism
Answer: The lowest level of organization is A.) Nerve Cell aka. Cell because it's just cell.
The lowest level of organization - A) nerve cell
Cellsare the most basic unit of life at the smallest level of organization.cells are joined together to form a structure called is tissue as nerve cells are cells that form together to make brain tissue.Tissues form organ and organ ultimately form an organ system of an organismvarious organ systems form an organism togetherThus, The lowest level of organization - A) nerve cell
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The area labeled X is known as
A.
an atomic nucleus
B.
an active site
C.
a pH indicator
D.
a temperature regulator
ecule
An active site is the area at where the enzyme gets attached. The are labelled X is known as an active site.The correct answer is option B.
What is an atomic nucleus ?An atomic nucleus is the central region of the atom at which the number of protons and neutrons are in abundance. The charge carried by the nucleus is positive in nature.
The picture shows the lock and key method where it is the relation between enzyme and substrate where the enzyme and substrate are almost same in shape where the lock is the substrate where the enzyme is of key shaped and they both fit in.
An active site is the region of the reactant or substrate where the enzyme will bind in and the reaction will form a product. The binding of both the constituents depend on the binding energy and activation energy of the reaction.
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would the smell of perfume make it across the room faster if it were colder or hotter in the room ?
Answer:
hotter
Explanation:
Answer:
hotter
Explanation:
From which type of cells did multicellular organisms arise?
Answer:
Unicellular eukaryotes
Explanation:
Suppose the great, green galoofus lizard has 28 chromosomes in the nucleus of its unfertilized eggs. Predict how many chromosomes will be in the skin cells of a great, green galoofus lizard?
Answer: 56
Explanation:
Because an unfertilized egg has half the chromosomes of a fertilized egg. The fertilized egg then splits, and continues splitting until the lizard is born. Always remember, whenever a question talking about an unfertilized egg, it has half the chromosomes of a fertilized egg. One more side note, it doesn’t matter what body part you talk about. A skin cell will have the same number, and identical chromosomes compared to a heart cell. (So long as it’s the same organism, if it isn’t, but part of the same species, it will have the same number of chromosomes, but it may have a unique set of chromosomes). If you want me to go into detail, I can, just respond to this answer.
A vacuole is the cell's _______________.
A: control center
B: storage place
C: energy processor
Answer: B- storage place
Explanation:
Analyze the diagram below:
According to the model represented in the diagram, which of the following would cause the cell to not express the lacZ, lacY, and lacA sequences?
Binding the RNA polymerase to the gene
Preventing the repressor from binding to the lac operon
Removing the inducer
Transcribing the lacl sequence
Answer:
Transcribing the lacl sequence
Explanation:
lacZ, lacY, and lacA sequences are the structural genes, which needs to be expressed in order to produce their proteinous enzymes required for the breaking down of lactose sugar. The transcription of these three genes must occur with the aid of RNA polymerase binding to them.
However, a gene sequence called lacI encodes information for an repressor, which when expressed can inhibit the expression of the genes lacZ, lacY, and lacA. Hence, the TRANSCRIPTION OF THE LACL SEQUENCE cause the cell to not express the lacZ, lacY, and lacA sequences.
Answer: removing the inducer
Explanation: all sequences need an inducer present in order for them to be expressed
what is a tentative explanation?
Which is one of the contributions that supported the development of the Clean Water Act?
Answer:
E) detailing the number of countries affected by contaminated water around the world
Explanation:
Which of the following cells have a nucleus?
- Animal cell
- Bacteria cell
- Plant cell
Which of the following cells have a cell wall?
-animal cell
- bacteria cell
- plant cell
Answer:
Animal and Plant cells both have a nucleus, and only the Plant cell has a cell wall.
Explanation:
Hope this is correct. If it is, please give me Brainliest.
Answer:
An animal cell and plant cell both have a nucleus. Plant cells have a cell wall because the cell wall helps protect and support the plant cells.
Write the importance of medicinal plants in human life.
Answer:
The importance of medicinal plants in human are as follow:
Medicinal plants are considered as a rich resource of ingredients.It is used in drug development either pharmacopeial and none pharmacopeial or synthetic drug.It has it's origin in ancient culture .Using medicinal plant doesn't have any side effects.Answer:
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What is the difference between extrusive and intrusive igneous rock?
Intrusive igneous rock forms below ground and extrusive igneous rock forms above ground.
Intrusive igneous rock forms above ground and extrusive igneous rock forms below ground.
Intrusive igneous rocks form when sediments are compacted together and extrusive igneous rocks form when sediments separate.
There is no difference, they both form above ground.
Answer: I'm pretty sure it's the first one
Explanation: I don't know for sure but I'm pretty sure when I learned it they said that extrusive is above ground and intrusive is below ground. Don't take my word for 100% though
help me in this question
Answer:
It is only explanation that is here so there is no question
Explanation:
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Which statement describes why natural populations cannons keep growing exponentially ?
A. Disease always affects large populations
B. Humans always disturb ecosystems
C. Resources are always limited
D. Natural disasters always control growth
Answer:
C resources are always limited
Explanation:
what is an example of direct impact on mining
Answer: The key direct impact of mining on forest ecosystems is the removal of vegetation and canopy cover. Indirect impacts include road-building and pipeline development, which may result in habitat fragmentation and increased access to remote areas.
List the inputs and
outputs of photosynthesis.
What part(s) of the plant
are responsible for taking
in each of the inputs?
Answer:
Photosynthesis Inputs. 6H2O, 6CO2, (light) energy.
Photosynthesis Outputs. C6H12O6 (glucose), 6O2.
Light Reactions Inputs. Light (energy), ADP, Pi, NADP, H2O.
Light Reactions Outputs. O2, ATP, NADPH.
Calvin Cycle Inputs. CO2, ATP, NADPH.
Calvin Cycle Outputs. G3P.
Explanation:
Which of the following would not be expected to contain tissues?
A. Harvester ant
B. African elephant
C. Unicellular bacteria
D. Oak tree
btw i picked C. Unicellular bacteriawhat
Unicellular bacteria does not contain tissue. Thus option C is correct.
What are the types of epithelial tissue in human ?A tissue is a cluster of similar cells that perform specific function.
Epithelial tissue one most important type of tissue.
It can be up two types such as Simple epithelium and Stratified epithelium.
Simple epithelium is a single layer of identical cells, observed at sites of secretion, absorption of substances.
It can be up three types Squamous epithelium, Cuboidal epithelium, Columnar epithelium.
Simple Squamous epithelium is single layer of flattened cells found Lungs-alveoli, Blood vessels-endothelium.
Simple cuboidal epithelium found in tubules of nephrons and glands which is involved secretion, absorption, and excretion, etc.
Simple columnar epithelium found in the inner layers of the stomach, intestine, trachea,
Stratified epithelium which is multiple layers epithelial tissue can be up 4 types squamous, cuboidal, columnar, Psuedo-stratified columnar epithelium.
Thus option C is correct.
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Ground tissue includes and is responsible for ALL of the following, EXCEPT one of these
A) Transport of water
B) Site of photosynthesis in the leaf
C) Metabolism, storage, support
Sickle cell anemia is a genetic disorder in which the hemoglobin responsible for transporting oxygen is misformed. The disease begins with a mutation in a _______________ acid, which results in a structural difference in a–
Protein; nucleic acid.
Nucleic acid; lipid.
Nucleic acid; protein.
Protein; lipid.
Answer: protein , nuclei acid
Explanation:
What is the correct answer?
Answer:
Friction
Explanation:
There u go
Calculate the momentum for the following football player: Todd: mass = 80 kg, velocity = 1.7 m/s
Answer:4.9
Explanation:80+1.7=4.9
What animals do not have a gallbladder? What type of digestive system do they have?
Answer:
Horses, Deers, Rats all don't have gallbladers
Different species of animals are better able to digest certain types of feeds than others. This difference occurs because of the various types of digestive systems found in animals.
Explain what the title of this article and video, "The Albatross, Harbinger of Human Migrations" means. In what ways should humans and their governments act like the scientists working with albatrosses
Answer:
Albatross are the indicators for migration of humans.
Explanation:
The Albatross, Harbinger of Human Migrations" means that Albatross are the indicators for migration of humans from that location. Humans and their governments act like the scientists working with albatrosses by making environment suitable for them. The humans have to reduce interventions in the places where they are present in order to increase occur in their population. governments should made policy for them to secure their habitat and prevent them from extension.
Suppose a cell is placed in a large container of water with a very low solute concentration. What do you think would happen?
Answer:
If a cell is placed in a large container of water with a very low solute concentration water will enter inside the cell and becomes turgid because osmosis will take place.
Explanation: