Answer:
The Gonads.(granulosa and sertoli cells)
Explanation:
These are the sources of inhibin in the Gonads. Specifically, the granulosa cells of the female ovaries produced these hormones,while the sertoli cells in testes of males performed the same secretions.
These hormone exits in two forms as Inhibin A and B. Generally, FSH control the granulosa cells and sertoli cells functions and activities.Thus the role of these hormone is to use negative feedback mechanism to control the influence of the FSH on the gonads.
Generally the Oocyte that is lodged in the primordial ovarian follicle is covered by a single layer of cells which are formed from the ovarian surface epithelium,These cells layers are called the Granulosa cells.
The major function is the secretion of oestrogen,under the influence of FSH.It is this activity that is controlled by the Inhibin hormone.
Why do viruses reproduce
Answer:
you just take medcine to help you feel better but it doesnt take it all out.
Explanation:
Why are people part Mongolian? Explain why in one paragraph please
Your question has been heard loud and clear.
Well , not all humans are part mongolian. Usually it refers to people of south asia , east asia which includes countries sourrounding indonesia and other island countries around it. But if you were to look at the west of the world , also north asia including europe , they arent part mongolian.
Thank you
what is difference between stoma and lenticel
Answer:
The main difference between stomata and lenticels is that stomata mainly occur in the lower epidermis of leaves, whereas lenticels occur in the periderm of the woody trunk or
Answer:
stoma are the small pores on the lower epidermis of a leaf and lenticels are raised pores in the stem of woody trunk that allow gaseous exchange between atmosphere and internal tissues
Explanation:
When a membrane protein is radioactively labeled during synthesis and followed through the various organelles in the secretory pathway, all the radioactivity is concentrated in the cis-Golgi apparatus six hours after the protein synthesis. This suggests that the protein
a. is misfolded and being degraded in the cis-Golgi.
b. contains a KDEL sequence near its C-terminus.
c. has a membrane-spanning domain length equals the
d. thickness of the cis-Golgi membrane.
e. was imported directly into the cis-Golgi posttranslationally.
f. has a mannose-6-phosphate tag.
Answer:
C. has a membrane-spanning domain length equals the thickness of the cis-Golgi membrane.
Explanation:
Secretory pathway is the pathway that transport proteins to the cell surface membrane. For this, the membrane proteins are labeled radioactively and move through the various organelles to carry the proteins to the surface membrane.
After six hours, all the radioactivity is concentrated in the cis-Golgi apparatus this means that The protein carries membrane-spanning domain which widens or make the cis-Golgi menbrane thick.
Hence, the correct answer is "C".
What is the purpose of grid paper in your investigation? (1 point)
O to observe how water refracts the light from objects drawn on the grid
O to investigate how changing the incident angle affects refraction
O to take notes on your observations
to investigate how different materials refract light
What was the investigation? But from my best guess I'm assuming it's the second option. This may be incorrect.
Answer: your so.... this is a 4th grade thing how do you not know oh my lord
Explanation:
write down the number of nucleotide present in the above diagram
Answer:
6
Explanation:
A nucleotide includes:
1 phosphate group (p) 1 sugar (s) 1 nitrogenous base (A, T, G, C)Describe the ocean Ecosystem briefly and in your description give at least three examples of different habitats ?
Answer:
the intertidal zone, the pelagic zone, and the abyss.
the temperature, water depth, water pressure and amount of light are the only things that differ from these great places.
what observations do you have about the bacteria cell
Answer:
Bacteria cells have no membrane bound organelles.Bacteria cells are prokaryotic.Bacteria cells have cell walls.Bacteria cells have strong flexible layers surrounding their cell membranes.Bacteria are called prokaryotes; they lack a nucleus and do not present organelles in the cytoplasm, their observable characteristics are:
The nuclear region of bacteria is not surrounded by a membrane, and consists simply of a single circular double-stranded DNA molecule, which constitutes the bacterium's chromosome (genome).The bacterial cell wall is composed of a macromolecular network called peptidoglycan or murein.The cell wall that gives them their shape and provides mechanical protection, since bacteria are found in environments that can have different concentrations of solute.
Glycocalyx is the polysaccharide-containing structure located on the outer side of the bacterial cell wall.Some bacteria produce flagella, these are long, thin appendages that serve as locomotion organelles.Axial filament a series of fibrils that arise at the ends of the cell below the outer sheath and follow a helical path around the cell.The fibria are structures that enable bacteria to adhere to inert surfaces or to form films on the surface of liquids.Therefore, we can conclude that bacteria are microorganisms that contain structures required for their growth and self-replication, without them these microorganisms lose their integrity.
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Which of the following is true about pH?
a. Neutral is a pH of 0
b. Bases have a pH of 1-7
c. pH is the concentration of hydrogen ions
d. Acids have a pH of 8-14
Answer:
c
Explanation:
What are the differences between prokaryotic and eukaryotic gene expression? Group of answer choices Regulation of transcription is identical in both.
Answer:
See the answer below
Explanation:
The gene expression involves a series of steps that have to do with encoding the information in genes as mRNA - transcription - and the translation of the codes into proteins - translation.
The process of transcription and translation happens within the same space in prokaryotic cells. Since they have neither nuclei nor membrane-bound organelles, both transcription and translation happen in the cytoplasmic space of the cell simultaneously.
However, in eukaryotic cells, transcription happens in the nucleus because the DNA is located within it. Once this takes place, the mRNA produced is transported outside the nucleus into the cytoplasm where they engage with the ribosome and tRNA in a translation process.
Which situation would result in a theory being replaced rather than revised?
Answer:
New information was discovered that contradicts the current theory
Explanation:
:)
which of the following is found in both prokaryotic cells and eukaryotic cells? a)nucleus b)cytoplasm c)mitochondria d)chloroplast
Answer:
cytoplasm
Explanation:
Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm and DNA... the cytyis all the contents of the cell inside the cell memey, not including the nucleus.
The water-to-land transition occurred independently several times in the protostomes. Which of these is not an example of an adaptation for terrestrial living that may have arisen by convergent evolution? The water-to-land transition occurred independently several times in the protostomes. Which of these is not an example of an adaptation for terrestrial living that may have arisen by convergent evolution? Internal respiratory structures Eggs with a covering that minimizes water loss Internal fertilization Decreased surface-to-volume ratios to increase the efficiency of gas exchange in air
Answer:
The incorrect statement is : Decreased surface-to-volume ratios to increase the efficiency of gas exchange in air
Explanation:
the fundamental problem that an aquatic animals face during its progress to land to save the egg or embryo from parching. So they have developed cleidoic eggs where undeveloped organism stay implanted inside extra embryonic layers, for example, amnions and are secured in egg shells. These eggs have minute pores so embryo can make gas exchange.
This egg shells forestall water misfortune. Interior treatment, however are available in certain sharks, yet it is for the most part a variation of land creatures. Explicit intromittent organs have been created for moving of sperm in to female. In contrast with water , gaseous movement is in land creatures is happen through advancement of lungs which contain numerous alveoli where gaseous exchange is occurred. Decreased surface to volume ratio decrease productivity of gas exchange , not increment.
Thus, The incorrect statement is : Decreased surface-to-volume ratios to increase the efficiency of gas exchange in air
How has our relationship with milk changed pollution in the last 200 years?
Answer:Milk production and consumption now cause much more pollution
Explanation:Globally, milk production and consumption requires extensive dairy farming. This leads to emission of methane which is a greenhouse gas and contributes to global warming and climate change; air and water pollution.
Answer:
milk production used to create much more pollution.
Explanation:
Multiple choice questions BIOLOGY
Answer:
1. A
2. D
3. A
4. D
5. D
6. D
7. D
8. A
Explanation:
"A" is agree, "D" is disagree. I hope this helps. :)
Why is the amount of fertilizer known as the independent variable?
Answer:
You can think of an independent variable is the variable that is being varied by you the experimenter or scientist; it is the input/"cause"/the tunable variable. A dependent variable is the response/output/"effect".
There is also the control variable, which are variables that stay constant throughout. You generally have only one independent variable and many control variables so that you can properly disentangle cause and effect.
A simple example might be say you want to know if a certain brand of fertilizer helps your crops grow. You want to see how much fertilizer you need for optimal growth without using too much. What is the independent and dependent variable? (Highlight below for the answer!)
The independent variable is the amount of fertilizer you put on the crop. It is the variable that you, as the tester, vary yourself. The dependent variable is how much your crop grows. What about the control? It is the crop you choose to use the fertilizer on (e.g., corn, wheat, peas). Certainly, comparing the influence of fertilizer between corn and peas would not definitely tell you whether the fertilizer is effective; if you compared two different crops, you would have other confounding variables out of your control, so you want to test it only on one crop at a time.
I put cause and effect in quotes because you may run into one of many cause/effect fallacies (or mistaken beliefs). It is possible (and often happens in research) where you plot what you think is an independent and its dependent variable, but the reality is quite different! There are two common types- spurious relationships and spurious correlations. A spurious relationship is one in which a direct cause/effect relationship is concluded incorrectly when in fact there is a lurking or hidden variable unaccounted for. One commonly cited example is say you find an increase of death by drownings and ice cream sales. It would be incorrect to infer that eating more ice cream causes more drownings, or vice versa. The lurking variable that can explain both is hot weather (i.e., people eat more ice cream and go swimming more to cool down). A spurious correlation is incorrectly inferring the extent of how related two variables are (not necessarily a cause/effect relation, but something used often in statistics). Here is a website that illustrates quite ridiculous correlations (a pet project of a graduate student), emphasizing that correlation is not causation.
What is a controlled variable in an experiment?
a
b
A factor that is purposely left the same.
A factor that is purposely changed and being measured.
A factor that will be observed and measured.
A factor that is purposely being changed.
С
d A factor that is purposely being changed
Answer:
A factor that is purposely left the same.
Explanation:
A controlled variable should not be changed throughout an experiment or else it will affect the outcome of each individual trial.
Kevin is examining the algae cell under microscope. there is no nucleus in the cell. which statement can Kevin make about the cell
A it is eukaryotic
B it is heterotrophic
C it is prokaryotic
D it is parasitic
Answer:
I think its C. prokaryotic
Explanation:
it is unicellular with a rigid cell wall but no central nucleus.
Which organism's wings are not a homologous structure, when compared to the other organisms?
- butterfly
- mosquito
- hummingbird
- ladybug.
In a certain ecosystem, foxes hunt and kill rabbits for food. The interaction between foxes and rabbits in this ecosystem can best be described as a _______ relationship. A. predator/prey B. producer/consumer C. decomposer/prey D. parasite/host
Answer:
predator/prey
Explanation:
Answer:
predator/prey i believe
Explanation:
I need help with this guys anyone.?
A willingness to accept different ideas that may not agree with their hypothesis is called what?
Answer:
ad hoc hypotheses
Explanation:
This statement could be used for any hypothesis in which the results (different ideas) do not agree with their hypothesis. In other words, there were no verifiable tests that could make valid the accepted hypothesis.
Thus, the researcher only accepted the hypothesis without a sound basis for doing so.
Which one of the following would be a good tool to represent data in terms of percentage of a whole? A. Pie chart B. Line graph C. Scatter plot
Answer:
A. pie chart
Explanation:
it's easier and can be understood very well
Pinky's science fair project in junior high focused on an observation that the crickets outside her window chirped less frequently when the temperature was colder.
Answer:
See the answer below
Explanation:
The complete question: Pinky's science fair project in junior high focused on an observation that the crickets outside her window chirped less frequently when the temperature was colder. Consider if data was collected consisting of the average number of cricket chirps at different temperatures in her backyard. What's the independent variable?
The independent variable would be the temperature.
Independent variables are variables that produce effects on another variable while remaining unaffected themselves. They can be manipulated in the course of a research in order to measure the kind of effects they exert on other variables - the dependent variables to be specific. The dependent variables are the actual variables needed to test the hypothesis of a research.
In this case, a variation in temperature was observed to have an effect on the chirping frequency of crickets. Hence, the independent variable would be the temperature.
can someone answer???
Decomposers fungi, bacteria, invertebrates such as worms and insects have the ability to break down dead organisms into smaller particles and create new compounds.
Decomposers are organisms that break down dead or decaying organisms, they carry out decomposition, a process possible by only certain kingdoms, such as fungi.
So the answer has to be C. Bacteria Hope this helps
Most of the regulated medical waste in the United States is incinerated. These incinerators are a health hazard because they release pollutants like lead into the air. How could technology be best used to solve this problem?
Answer:
volcanic waste dump and plastic eating bactirium to clean alot of things
also a purge to remove the overpopulation problem thus reducing the production and polution up to 10 to 50 % all over the world
Explanation:
What are some of the similarities and differences between the bacteria cell and the plant cell?
Answer:
Similarities
They both have cell wallsThey have strong flexible layers surrounding their cell membranes.Differences
Bacterial cells are prokaryotic while plant cells are eukaryotic.Bacterial cells have no membrane bound organelles but plant cells have.Answer:
I just had a question on my homework that im still doing so heres what i wrote
Explanation:
A plant cell has chloroplast so that it can make its own food while the bacterial cell does not as the bacterial cell is too small and the chloroplast wont fit. Bacteria cells have flagella so that it can move while plants don't as plants don't move.They both have a cell wall but a bacterias cell wall isn't made from cellulose.The bacterial cell doesn't have its genetic information inside a nucleus it is just in a single loop inside the cytoplasm.The plant cell has a vacuole while the bacterial cell doesn't.The bacterial cell has a slime capsule around the cell, outside of the cell wall. The plant cell is much bigger that the bacterial cell.Plant cells are eukaryotic while Bacterial cells are prokaryotic.Bacterial cells are single celled living organisms while plant cells aren't and they make up a plant.
Which of the following is not a possible cause for intraspecific aggression?
A) mating
B) territory
C) predation
D) dominance
Answer:
C) Predation
Explanation:
Just took the quiz and got it right!
Which statement is not part of the Cell Theory * 10 points All living things are made of one or more cells Cells are the basic unit of structure in living things All living things are composed of eukaryotic cells Cells come from preexisting cells
Answer:
The statement "All living things are composed of eukaryotic cells" is incorrect and is not a part of Cell Theory
Explanation:
Eukaryotic organisms are not the only living things in existence. Micro organisms such as bacteria are referred to as prokaryotic. This classification is done on the basis of the presence or the absence of a nucleus. Eukaryotic organism are more evolved and contain a well defined nuclear structure.
Need help. ASAP What are considered characteristics of science? Select all that apply.
- Scientific experiments are not falsifiable.
- Scientific experiments are peer-reviewed.
- Scientific conclusions are based on anecdotal evidence.
- Scientific phenomena are observable.
- Scientific hypotheses are testable.
Answer:
id say c and d but idk
Explanation:
The statements that are considered the characteristics of science are as follows:
Scientific phenomena are observable.Scientific hypotheses are testable.Scientific conclusions are based on anecdotal evidence.Scientific experiments are not falsifiable.Thus, the correct options are A, C, D, and E.
What are the characteristics of science?The characteristics of science include objectivity, reliability, accuracy, validity, ethical neutrality, systematic exploration, abstractness, defined precision, objective approach, replicable experiments, etc.
Accuracy and validity are the foremost important characteristics of science. Such scientific experiments are concluded on the basis of real and valid evidence.
Scientific phenomena are clearly and transparently observable in a more detailed sense. Scientific hypotheses are significantly made in order to test them and predict the most accurate outcome or conclusion based on such hypotheses indiscriminately.
Therefore, the correct options for this question are A, C, D, and E.
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