Therefore, the correct option here is option "c"
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PLS HELP! A single celled organism that lives in extremely hot or acidic environment with no membrane-bound organelles most likely belongs to
1. archaea, bacteria, and eukarya
2. archaea and bacteria
3. archaea only
4. bacteria only
Answer:
i thinks its 4 but i am not that positive
A single celled organism that lives in extremely hot or acidic environment with no membrane-bound organelles most likely belongs to archaea, bacteria, and eukarya. Thus, the correct option is 1.
What are Single-celled organisms?A unicellular organism is also known as a single-celled organism. It is an organism which consists of a single cell, unlike a multicellular organism that consists of multiple eukaryotic cells. Organisms fall into two major categories including prokaryotic organisms and eukaryotic organisms.
All of the life forms can be divided into three major domains, based on the type of cells of the organism into
a. Bacteria: These cells do not contain a nucleus.
b. Archaea: These organisms do not contain a nucleus, however they have a different cell wall from bacteria.
c. Eukarya: These cells contain a well-defined nucleus
Therefore, the correct option is 1.
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Please it’s due in a few hours!!
Answer:
During separation, the two strands of the DNA double helix uncoil at a specific location called the origin. ORRR. the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.
Explanation:Im smart
Which cell replicates via meiosis?(1 point)
sperm cell
heart cell
skin cell
red blood cell
thanks!!
Answer:
Sperm cell
Explanation:
Because it is a reproductive cell and in one of the stages of foetus growth is meiosis so this cell undergoes meiosis to pass that stage
Meiosis is the process by which cells divide into four haploid daughter cells.Sperms are the cells that replicates via meiosis. Option A is correct.
Meiosis:
It is the process by which cells divide into four haploid daughter cells.
The daughter cells contains half of its parents chromosomes.The daughter cells are genetically different from the parent cells.It is occur in the germ cells of the organisms to produce gametes like sperm and ovum.Therefore, sperms are the cells that replicates via meiosis.
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Which of the following statement about gene mutation is not correct. It:
a) Can be inherited
b) May result in a change in the number of bases that make up the gene
c) Always results in a change in the protein for which the gene codes
d) May result in a change in the order of bases that make up the gene
Answer:
c) Always results in a change in the protein for which the gene codes
In cherry tomatoes, red color (R) is dominant to yellow color (r). If two heterozygous plants are crossed, what percentage of the offspring will be yellow?
Answer:
50
Explanation:
If you cross two heterozygous tomato plants, you get four base genotypes of (Respectively,) RR, Rr, Rr, and rr. That makes your percentage A. 50%.
Explain h0mozygous and heter0zygous?If a dominant red fruit (RR) plant is crossed with a recessive over yellow fruit (rr), then the phenotype will be red fruit and the genotype Rr. It is a case of complete dominance.
In diploid organisms (2n), an individual is homo-zygous when it carries two copies of the same gene variant (i.e., the same allele).
Moreover, an individual is heter0zygous when it carries two different alleles for the same gene locus.
In complete dominance, the dominant allele completely masks the expression of the recessive allele in heter0zygous individuals.
Thus, That makes your percentage A. 50%.
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Which of the following is NOT true about homeostasis?
A - Maintaining homeostasis requires that all body systems work together.
B - Long periods of stress can disrupt homeostasis.
C - Body temperature is a factor of homeostasis.
D - Only the nervous and endocrine systems are involved in maintaining homeostasis.
Deoxyribose (sugar), a phosphate group, and a nitrogen base make up these repeating units of DNA: * Adenine, Nucleotides, Guanine or sMitochondria
Answer:
in DNA. Adenine (A) and guanine (G) are double-ringed purines, and cytosine (C) and thymine (T) are smaller, ... The nucleotide is named according to the nitrogenous base it contains. (a) Each DNA nucleotide is made up of a sugar, a phosphate group ... A figure showing the structure of ribose and deoxyribose sugars.
Explanation:
These organisms niche in an environment is to break down dead or decaying matter.
Group of answer choices
a. Carnivore
b. Producer
c. Herbivore
d. Detritivore
Answer: Detritivore
Explanation: These are vital organisms that grow by breaking down dead and decaying matter. Some of these are scavengers - macro-organisms that feed on dead or decaying matter, e.g. flies, cockroaches, earthworms. Others are decomposers, generally microscopic bacteria and fungi, that break down wastes. These are also called saprophytes and play an important role in returning nutrients to the soil from dead and decaying matter.
!PLEASE HELP ASAP! what is the half-life of the radioactive isotope? what mass of the radioactive isotope will be left after three(3) half-lives?
Geologists were examining an area in Africa called the Great Rift Valley. Which geologic event MOST likely caused the formation of the valley?
O A impacts from meteors
O B. collision of tectonic plates
O c. diverging continental plates
O D. movement of glaciers
Answer:
c. diverging continental plates
Explanation:
PLEASE HELP ME, it's URGENT!! TO GET A BRAINLIEST FROM ME, PLEASE EXPLAIN WHY YOU CHOSE THAT OPTION
The breaking down of starch into its component sugars would be an example of
A. Catabolism
B. Cell Division
C. Protein Synthesis
Answer:
A. Catabolism
Explanation:
Catabolism is the process by which complex molecules are broken down into simpler molecules, like starch to component sugars or proteins to amino acids. Cell division is the process by which a parent cell will divide into two or more daughter cells, like mitosis or meiosis. Protein synthesis is the process by which proteins are made, this is through transcription and translation.
Which list places the layers of the sun in the correct order from innermost to outermost?
Corona, photosphere, chromosphere
Photosphere, convective zone, radiative zone
Radiative zone, convective zone, chromosphere
Radiative zone, corona, convective zone
Answer:
The inner layers are the Core, Radiative Zone and Convection Zone. The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona.
Answer:
radiative, convective, chromosphere
Explanation:
it is
Since its inception, the theory of evolution has been the subject of frequent debate. Those who oppose evolutionary theory often point to gaps in the fossil record in an attempt to discredit the theory. Which statement would be the best counter argument as to why the fossil record can be relied upon to support evolution?
A. The fossil record provides evidence that extinct species only fossilized during certain geological eras.
B. The fossil record provides evidence that extinct species are genetically identical to current species.
C. The fossil record provides evidence of many different types of organisms, since most species fossilize well.
D. The fossil record provides evidence of many transitional organisms that show relationships between species.
Answer:
D. The fossil record provides evidence of many transitional organisms that show relationships between species.
Explanation:
Evolution is the process of changes in characteristics of an organism as time passes. In order for fossil records to support this, there must be some linkage between species to species. Therefore the correct answer is D. The fossil record provides evidence of many transitional organisms that show relationships between species..
Since its inception, the theory of evolution has been the subject of frequent debate, and the fossil record can be relied upon, the fossil record provides evidence of many transitional organisms that show relationships between species, which is in Option D.
What is the significance of the fossil record?The fossil record tells about the ancestors and explains the diversity of life on Earth over thousands or millions of years ago. It is commonly found in sedimentary rock formations and provides information about how organisms lived thousands or millions of years ago.
Hence, since its inception, the theory of evolution has been the subject of frequent debate, and the fossil record can be relied upon, the fossil record provides evidence of many transitional organisms that show relationships between species, which is in Option D.
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If we know how many thymine bases there are in a piece of DNA, we can calculate the number of the following bases:
a) Adenine
b) Cytosine
c) Guanine
d) Uracil
Answer:
in dna the T and A always go together so the answer is ademine
Which student made observations of a community of organisms?
Answer :student 2
I had the same question in my test
Evolution is a useful theory because it helps us:
(A) make predictions
(B) survive and reproduce
(C) establish the genetic code
(D) form questions
Answer: C
Explanation:
How can having 100 trillion microorganisms on and in the human
body be healthy?
Answer:
Explanation:
Immune response Evidence points to the fact that this early microbial colonization helps our body to defend itself against disease.
Describe the impact of human activities on natural resources;
consider energy, mineral, forest, marine, over population and over fishing.
Answer:
As the human population has grown, the need for more land has caused an increase in the cutting down of forest lands for habitation and farming. The result has been an increase in soil erosion, an increase in species extinction from habitat loss, and a reduction of oxygen supplied by the trees, as well as lower amounts of carbon dioxide being removed from the atmosphere. Industrial and personal use of fossil fuels has dramatically increased the amount of air pollution in the atmosphere while systematically using up the supply of the non-renewable resources such as coal, oil and natural gas
Explanation: Hope this helps! ^^
Explanation:
The organization of similar organisms into groups helps scientists understand how living things are related. It
also allows scientists to communicate about all forms of life. Scientists organize the living world using a process
called taxonomy, which is the science of classifying organisms based on shared structures, functions, and
relationships to other organisms. Scientists use a branching system of classification, and over the years, due to
new discoveries, the branching system has changed and grown.
Recently, scientists broadened the branching system of classification. Currently, the broadest group is the
A)
class
B)
domain
kingdom
D)
taxon
taxon
Answer:
Explanation:
THE ANSWER IS DOMAIN
Radiation is a method of thermal energy transfer that moves-
Helppplp plss I’ll choose as brainliest
Answer:
-heat
Explanation:
Radiation happens when heat moves as energy waves, called infrared waves, directly from its source to something else. This is how the heat from the Sun gets to Earth. In fact, all hot things radiate heat to cooler things. When the heat waves hits the cooler thing, they make the molecules of the cooler object speed up.
Good luck!!
Answer:
Explanation:
Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object as is the case with conduction and convection. Heat can be transmitted through empty space by thermal radiation often called infrared radiation. This is a type electromagnetic radiation .
if a mother monster is
and has , and the father monster is and has
Answer:
Then the baby monster is and has
Explanation:
#SimpleMath
#RealFacts
PLEASE HELP!!
Describe two types of drugs and the negative impact the abuse of these drugs can have on a person’s health.
Answer: weed, alcohol
Explanation: it affects the brain and its neurons, how the nervous system reacts to different situations and how the neurotransmitters work.
Although most solutes that enter or exit the cell are relatively small (inorganic ions, sugars, or amino acids), occasionally the movement of larger molecules into or out of the cell is required. For example, certain cells secrete proteins, such as pancreatic cells that secrete insulin. Other cells take up food particles or even entire cells, such as lymphocytes in your immune system.Transport of such large materials into and out of the cytosol cannot be accomplished by transport proteins in the plasma membrane. The transport of large molecules is accomplished by bulk transport via exocytosis and endocytosis. Like other forms of active transport, bulk transport requires an input of energy.Before beginning this tutorial, watch the segment of the Membrane Transport animation on exocytosis and endocytosis. Observe the role that vesicles play in transport of materials into and out of the cell.Part A - Exocytosis and endocytosisSort the phrases into the appropriate bins depending on whether they describe exocytosis, endocytosis, or both.ResetHelpincreases the surface area of the plasma membranetransported substances never physically cross the plasma membranesecretes large molecules out of the celldecreases the surface area of the plasma membranerequires cellular energyrequires fusion of vesicles with the plasma membrane Selectedexocytosisforms vesicles from inward folding of the plasma membraneendocytosisrequires fusion of vesicles with the plas
Complete question:
Although most solutes that enter or exit the cell are relatively small (inorganic ions, sugars, or amino acids), occasionally the movement of larger molecules into or out of the cell is required. For example, certain cells secrete proteins, such as pancreatic cells that secrete insulin. Other cells take up food particles or even entire cells, such as lymphocytes in your immune system. Transport of such large materials into and out of the cytosol cannot be accomplished by transport proteins in the plasma membrane. The transport of large molecules is accomplished by bulk transport via exocytosis and endocytosis. Like other forms of active transport, bulk transport requires an input of energy. Before beginning this tutorial, watch the segment of the Membrane Transport animation on exocytosis and endocytosis. Observe the role that vesicles play in the transport of materials into and out of the cell.
Part A
Sort the phrases into the appropriate bins depending on whether they describe exocytosis, endocytosis, or both.
a. decreases the surface area of the plasma membrane
b. requires fusion of vesicles with the plasma membrane
c. forms vesicles from inward folding of the plasma membrane
d. transported substances never physically cross the plasma membrane
e. increases the surface area of the plasma membrane
f. requires cellular energy
g. secretes large molecules out of the cell
Answer:
a. --> ENDOCYTOSIS
b. -->EXOCYTOSIS
c.--> ENDOCYTOSIS.
d. --> BOTH
e. --> EXOCYTOSIS
f. --> BOTH
g. --> EXOCYTOSIS
Explanation:
To answer the question, first, we need to know the meaning of endocytosis and exocytosis.
Endocytosis and exocytosis process refers to molecules transport mediated by vesicles. It occurs from and into the cell and needs energy to happen because it is active transport.
Cells can export many substances in vesicles or vacuoles that originate in specific organelles like, for instance, the Golgi complex. Organelles form new vesicles or vacuoles with substances destined for exportation and send them forward to the membrane. When they get there, they fuse to the cell membrane, releasing all their content to the extracellular space. When fussing, the vesicle membrane increases the size of the cellular membrane. This process is exocytosis, and its direction is always from the inside of the cell to the outside. But there is also another vesicle-mediated transport that occurs from the exterior to the cell interior, the endocytosis process. It happens when the cell imports material from the extracellular space through the invagination of the membrane, producing a new vesicle that surrounds the incoming material. The invagination ends in strangulation of the membrane, releasing the new vesicle in the cytoplasm. This process decreases the size of the cellular membrane because it uses part of it to engulf the material.Now that we know these concepts, we can sort the phrases into the appropriate bins.
a. decreases the surface area of the plasma membrane. ENDOCYTOSIS, because the new vesicles are formed using the cell membrane
b. requires fusion of vesicles with the plasma membrane. EXOCYTOSIS, because vesicle needs to fuse to the cell membrane to release the carrying material
c. forms vesicles from inward folding of the plasma membrane. ENDOCYTOSIS. Refers to the invagination process of the cell membrane. It only occurs during endocytosis
d. transported substances never physically cross the plasma membrane. BOTH. Substances are too big or too many to be physically transported through the cell membrane
e. increases the surface area of the plasma membrane. EXOCYTOSIS. Occurs when the vesicle fuses the cell membrane to release the content to the exterior.
f. requires cellular energy. BOTH of them, because they are active transport.
g. secretes large molecules out of the cell. EXOCYTOSIS. The direction is from the interior of the cell to the exterior. These are exportation molecules.
According to the food web, what do crayfish eat?
A)
algae
B)
protozoans
C)
black bass
D)
decaying vegetation
Answer:
decaying vegetation.
Explanation:
the arrows lead into what they are getting eaten by. its kinda confusing.
GIVING BRAINLIEST!!!
There has been an increase in the number of foxes in the area. What type of environmental change is this for rabbits?
A) Pollution
B) Climate change
C) Reduced space
D) Increased predators
Answer:
D increased predators
Explanation:
Foxes are predators of rabbits, Which means the rabbits will be indangerd
Dan Perkins was a policeman who was able to run a short distance in a very short time in order to escape the danger of a fire. What molecule allowed him to have a burst of instant energy to make that sprint?
True or False: You will have 16 offspring in a dihybrid cross.
Answer:
true this is the answer for this question
Choose 3 activities that you perform regularly and explain the role(s) that each organ system plays in each activity, as well as explain how organ systems work together to perform the chosen activities.
Examples of activities students might choose:
• Arts (drawing/painting, dance or music performance, acting)
• Athletics (exercises/workout routines, sports)
• Food/Culinary-related (cooking, eating different cuisines)
• Other hobbies (video games/TV)
• Other student choices?
Connections with your chosen activities may be:
• Direct – How are your chosen activities directly controlled/performed by different organ systems and processes in the body?
• Analogies – How are your chosen activities similar/analogous to different organ systems and processes in the body?
Answer:
When you breath, your lungs expand filling the blood with oxygen, when you eat, the food breaks down in your stomach causing the nutrients from the food to be absorbed by your body/blood, when you play sports or exercise that newly oxygenated/nutritionized blood is then pumped faster through the body by the heart.
I hope i understood the question and gave you a helpful answer :)
*PLEASE ANSWER !!! THANK YOU*
Which of the following statements describes a mid-intertidal zone?
a.) zone at depths of 13,000 to 20,000 feet that resembles a bottomless pit of complete darkness
b.) one of the four vertical sections of the intertidal zone regularly covered with water
c.) the area of highest elevation in ocean tidal zones
Answer:
I believe its b.
Explanation:
Someone answerr these plssss
An organism is living in a rapidly changing environment. Sexual reproduction is
advantageous to an organism in this situation because- *
Answer:
I'm pretty sure it's A
Explanation:
................