The small dense region within the
nucleus is called...
A. the chloroplast.
B. the nucleolus.
C. the mitochondria.
Answers
Answer:
the nucleolus
Explanation:
i gotchu
Related Questions
three main factors that affect stroke volume and how each impacts cardiac output if that factor is increased?
Answers
The three main factors that affect stroke volume are contractility, preload and afterload.
Increase in contractility and preload increases cardiac output whereas increase in afterload decreases cardiac output.
What is stroke volume?Stroke volume refers to the volume of blood that is pumped by the heart through each stroke.
The three factors that affect stroke volume and how it impacts cardiac output when increased is given below:
contractility - an increase in contractility of the heart increases the cardiac outputPreload - an increase in preload increases cardiac outputafterload - an increase in afterload decreases cardiac outputTherefore, the three main factors that affect stroke volume are contractility, preload and afterload.
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A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in:.
Answers
A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in an increase in blood flow through the vessel.
Meaning of smooth musclesmooth muscle can be defined as a muscle in the body that is non striated and involuntary in nature.
Smooth muscles are mostly found in hollow organs, passageways and tracts of some systems.
In conclusion, A decrease in the autonomic tone of the smooth muscle in a blood vessel would result in an increase in blood flow through the vessel.
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Information collected directly with the senses is
Answers
EASYYYYYY
If global warming continues, what do you think will happen to the glaciers and icecaps of the Earth? What consequences will this have for people and other living things?
Answers
Answer:
Glaciers and Icecaps will melt.
The Consequences would be,
- Animals will lose their habitat due to melted Icecaps. Animals like polar bears, arctic foxes, snowy owls, reindeer, etc. They may also get extinct.
- It will create more frequent and intense coastal storms like hurricanes and typhoons.
- Coniferous plants will have problems
Answer:
The glaciers and icecaps will eventually melt
What is muscular dystrophy example of
Answers
Muscular dystrophy is an example of a genetically heritable disease that is autosomal dominant.
What are autosomal dominant diseases?Autosomal dominant diseases or abnormalities are genetic diseases that are heritable just by inheriting an affected allele from either of the parents.
Unlike autosomal recessive diseases which require that alleles are inherited from the two parents, autosomal dominant diseases can be inherited from either of the parents.
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A car with a mass of 1,324 kilograms, traveling at a speed of 20 meters/second, crashes into a wall and stops. What is the kinetic energy after this perfectly inelastic collision?
Answers
The kinetic energy of a car with a mass of 1,324 kilograms, traveling at a speed of 20 meters seconds is 264800J.
How to calculate kinetic energy?The kinetic energy of a moving car can be calculated using the following formula:
K.E = ½ × m × v²
Where;
K.E = kinetic energym = mass v = velocityK.E = ½ × 1324 × 20²
K.E = 264800J
Therefore, the kinetic energy of a car with a mass of 1,324 kilograms, traveling at a speed of 20 meters seconds is 264800J.
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What is the name of the Coenzyme that binds with Acetyl Acid?
Answers
The name of the coenzyme is Coenzyme A.
Citric acid cycleThe intermediate step between glycolysis and the citric acid cycle is the production of acetyl-co A.
Acetyl-co A is produced by the oxidative decarboxylation of the pyruvate molecule generated from glycolysis in the matrix of the mitochondrion.
The pyruvate molecule is first transformed into an acetyl group. The enzyme, Coenzyme A, binds with the acetyl group to form acetyl-co A.
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What types of animals are simians?
Answers
Simians are a group of higher primates animals such as monkeys, apes, and humans.
What are simians?Simians are a taxonomic category of animals under the primate order.
Primates are divided into Simians and Prosimians. Simians are more advanced than Prosimians.
Humans belong to the primate order and are classified as Simians along with other animals such as monkeys and apes.
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) If you are a good school agriclture focal person, what type of forming would you suggest to the school? Give reasons. Teacher's Signature. ) If you are a good school agriclture focal person , what type of forming would you suggest to the school ? Give reasons . Teacher's Signature .
Answers
Answer:
Farm-to-school programs are a great way to get students excited about healthy eating.
Explanation:
The stage of the cell cycle during which the cytoplasm divides to form two cells is called:.
Answers
The arteries a. serve as rapid-transit passageways from the heart to the organs because of their large radii b. act as a blood reservoir because they have the capacity to store large volumes of blood with little change in their internal pressure c. are the major sites of blood flow resistance in the vasculature d. are the site of exchange between the blood and surrounding tissues e. none of these
Answers
The arteries act as rapid-transit passageways from the heart to the organs because of their large radii. The correct option is A.
Functions of the arteriesThe arteries are blood vessels that carry blood away from the heart to the cells, tissues, and organs that are in need of oxygen.
They have large radii and as such, serve rapid-transit passageways from the heart to the various cells, tissues, and organs.
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The following steps are involved in the process of RNA synthesis: I. Elongation II. Termination III. initiation Rearrange them in the ascending order of the process.
Answers
Explanation:
1 initiation
binding of RNA polymerase
2 élongation
synthesis of chain
3 termination
end of synthesis and production of rna
the membrane that forms a compartment inside the stroma is the ____
Answers
In chloroplasts there are structures known as thylakoids. The membrane that forms a compartment inside the stroma is the thylakoid membrane.
What is the chloroplast structure?The structure of these organelles is as follows,
Chloroplasts are limited by an outer membrane and an inner one. In between the two membranes, there is a space left called intermembrane space. In the interior of the inner membrane, there is another space known the stroma. Within the stroma, there is the third system of membranes, known as thylakoids. Thylakoids are disk-shaped structures limited by a membrane, and in their interior, there is a space named thylakoid space.These structures are arranged as piles, receiving the name of grana. Grana connects by a larger thylakoid membrane. The photosynthetic pigments are placed in the thylakoids, where occurs light-dependent reactions.According to this description, the membrane that forms a compartment inside the stroma is the thylakoid membrane.
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what does the immune system do to fight off malaria?
Answers
Answer:
The body raises the temperature of the body to create an unlivable area for the parasite.
Explanation:
Monomers are single organic
compounds that can link together to
form larger compounds.
What are the lipid monomers?
A. fatty acids and mitochondria
B. fatty acids and ATP
C. fatty acids and glycerol
D. fatty acids and DNA'
Answers
Monomers are molecules of simple structure that compose the polymers. Option C. fatty acids and glycerol.
What are monomers?
Monomers are the basic unit of polymers. When many monomers join through chemical bonds they form a polymer.
There are many types of monomeric molecules. To name a few, we can mention
Monomer Polymer
• Monosaccharide ⇒ Carbohydrates
• Fatty acid ⇒ Lipids
• Amino acid ⇒ Proteins
• Nucleotide ⇒ Nucleic acids
Monomers are organic molecules of reduced molecular mass and relatively simple, defined structure.
Monomers are composed of carbon, oxygen, and hydrogen atoms, which establish covalent bonds.
In the case of lipids, fatty acids and glycerol are the composing monomers.
Lipids have a hydrophilic head composed of glycerol and hydrophobic tails composed of fatty acid chains.
The correct option is C. The lipids monomers are fatty acids and glycerol.
In the attached files you will find the image of a phospholipid.
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How are mitosis and meiosis similar?
Answers
Answer:
B
both process chromosomes are copied
When under excessive passive tension, what muscle limits scapular upward rotation, posterior tilting, and external rotation?
Answers
Pectoralis minor is the muscle which limits scapular upward rotation, posterior tilting, and external rotation when under excessive passive tension.
What is Pectoralis minor?This muscle is found below Pectoralis major and originates from the middle ribs to the scapula.
When under pressure this muscle limits the various types of movements which are mentioned above.
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would cause evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home?
Answers
Gene flow would cause an evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home.
What is Gene flow?In genetics, the expression 'gene flow' refers to the migration of organisms or movement of their reproductive germinal cells to a new place.
Gene flow is well known to alter the genetic structure of the population in the site where it occurs.
In conclusion, gene flow would cause an evolutionary change in animal populations that colonize a new environment as its conditions differ from those found in their home.
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Aristotle is considered to be the founder of biology.
true
false
Answers
Answer:
False.Aristotle is chemist he not the founder of biology
tuberculosis, botulism, and tetanus are examples of diseases caused by rod-shaped bacteria known as ______________.
Answers
Bacilli is a rod shaped bacteria that cause diseases like tuberculosis, botulism, and tetanus.
What is Bacilli?Bacilli refer to a group of bacteria that is small, rod shaped and also a gram positive bacteria which causes diseases or infections on their host. They normally transmit diseases through infected food, water and animal bite.
Therefore, Bacilli is a rod shaped bacteria that cause diseases like tuberculosis, botulism, and tetanus.
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When a red onion cell is placed in a 5% NaCl solution, the central vacuole will occupy
A) even more of the cell than when it was in water
B) less of the cell than when it was in water
C) the same amount of the cell as when it was in water
Answers
Answer:
A=even more of the cell than when it was in water
Answer:
When a red onion cell is placed in a 5% NaCl solution, the central vacuole will occupy
B) less of the cell than when it was in water
This is due to plasmolysis
Explanation:
What is plasmolysis?Plasmolysis is the process in which there is a loss of water from cells when these are placed in a hypertonic solution. The protoplast and vacuole shrinks away from the cell wall.
What is a hypertonic solution?Hypertonic solution is that which has higher concentration of solutes (low water concentration) as compared to inside the cell. As water moves from high conc. to low conc., it moves from inside the cell to outside. Thus, the vacuole pulls away from the cell when placed in a hypertonic solution (5% NaCl).
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why do we not see other components of cell? are they absent?
Answers
Answer:
They are microscopic (small) and they are protected by the outer wall/membrane
Explanation:
Natural selection results in ______. Group of answer choices a decrease in the size of a population. an increase in the size of a population. increased genetic variation. offspring adapted to their current environment
Answers
Answer:
increase in genetic variation
Would you expect the plastid DNA of photosynthetic dinoflagellates, diatoms, and golden algae to be more similar to the nuclear DNA of plants (domain Eukarya) or to the chromosomal DNA of cyanobacteria (domain Bacteria)? Explain.
Answers
The area around the Sahara desert is slowly changing into a dry region like desert. Which trait is most likely to be selected in the population of plants growing in this region?
Answers
Answer:
drought resistant trait
All of the following organisms are involved in carbon fixation EXCEPT Group of answer choices green and purple sulfur bacteria. cyanobacteria. lichens. algae. mycorrhizae.
Answers
Answer:Mycorrhizhae
Explanation:
Jake wants to enrich the nitrogen content of his soil through fixation which crop can he use for this purpose
Answers
Answer:
He can use beans since it is a legume and legumes have root nodules that facilitate nitrogen fixation
What is the percent by mass water in calcium chloride hexahydrate?
Answers
Answer:
the answer is 3%
It would be 3%.
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>Rijja<
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Correct Value: 12.75
8.5
8.4
8.4
8.3
Answers
I don't understand your question maybe try rephrasing?
1.Explain Cytotaxonomy and Chemotaxonomy and Numerical Taxonomy.
2.Difference Between Chemotaxonomy And cytotaxonomy?
Answers
Answer:
Cytotaxonomy refers to the classification of biological materials based upon similarities and differences of cellular structure and number of chromosomes present in the cell afterwards while .:::: chemotaxonomy refers to the classification of biological materials based upon similarities and differences of the ...Chemotaxonomy is based on the similarities and differences in biochemistry such as a sequence of amino acids in proteins, whereas, cytotaxonomy is the classification based on cellular characteristics such as chromosomes number and behaviour.