Answer:
c. mitochondria and chloroplasts contain dna similar to prokaryotic dna
Explanation:
if i remember correctly the endosymbiotic theory explains how eukaryotic cells had originated from prokaryotic cells or something. it is theorized that mitochondria and chloroplasts were once free living prokaryotes, and this is evidenced by mitochondria and chloroplasts having their own dna and double membranes
The products of photosynthesis are the...
a) Products of cellular respiration
b) Reactants of cellular respiration
c) Reactants of fermentation
d) Products of glycolysis
The products of Photosynthesis are the reactant of cellular respiration. So, the correct option is (B).
What is Cellular respiration?Cellular respiration is defined as the process by which organic fuels are oxidized in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy to drive the bulk production of ATP.
It works in the presence or absence of oxygen. But crucially, the process is called cellular respiration because the cell "respires" in a way that takes in molecular oxygen (as the electron acceptor) and releases carbon dioxide (as the end product).
The cellular respiration is represented as
[tex]C_6H_1_2O_6 + 6O_2 ---- > 6CO_2 + 6H_2O[/tex]
Their reactant are the products of Photosynthesis.
So, the products of Photosynthesis are the reactant of cellular respiration. So, the correct option is (B).
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Explain the roles of cytoplasm and the mitochondria in cellular respiration.
Answer:
Mitochondria have an important role in cellular respiration through the production of ATP, using chemical energy found in glucose and other nutrients. Mitochondria are also responsible for generating clusters of iron and sulfur, which are important cofactors of many enzymes
Explanation:
_______________ transport moves substances from an area of high concentration to an area of low concentration.
Answer:
It is active. The person above me is wrong. Trust me.
Explanation:
In red blood cells, the compound carbonic anhydrase increases the rate at which the reaction of carbon dioxide being converted to bicarbonate ions for its transport into the blood takes place. In red blood cells, carbonic anhydrase acts as which of the following?
Answer:
hey buddy I gess It will help you
Carbon dioxide is transported in the blood from the tissue to the lungs in three ways:1 (i) dissolved in solution; (ii) buffered with water as carbonic acid; (iii) bound to proteins, particularly haemoglobin. Approximately 75% of carbon dioxide is transport in the red blood cell and 25% in the plasma.
Hello, I would love to ask you all a question . What solution will you get after sprouting onion in water?
Everyone pls answer.
Answer:
If you place a sprouted onion with the roots down in a glass of water, it will continue to grow on the top with new shoots. You can either cut off the top part and use it in recipes, or plant the whole onion, roots and all, in soil and watch it grow. All types of onions will regrow.
a germ line mutation can have what possible outcome on the progeny (offspring)?
Answer:
A germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ovum). Mutations in these cells are the only mutations that can be passed on to offspring, when either a mutated sperm or oocyte come together to form a zygote.
Explanation:
What kind of new therapies are scientists working on to treat cystic fibrosis?
Select all that apply.
gene therapies to fix the CFTR gene
injections to add water directly to the mucus
inhalers to deliver CFTR to the cells
gene editing to remove the CFTR protein
Answer:
The correct answer is B make cells produce a functional CFTR protein.
Explanation:
Cystic fibrosis is a disease that is caused due to the mutation in the transmembrane protein known as cystic fibrosis trans membrane conductance regulator or CFTR. Cystic fibrosis trans membrane regulator proteins helps in the formation of thin mucus and due to the mutation in CFTR the mucus becomes thick.The disease cystic fibrosis basically affect the respiratory system.
If gene therapy is used to treat cystic fibrosis then it can replace the mutated CFTR gene with a functional one so that the cell containing CFTR gene can produce functional CFTR protein.
Answer:
A. gene therapies to fix the CFTR gene
C. inhalers to deliver CFTR to the cells
Describe the different functions of the endocrine system.
Answer:
The endocrine system is a chemical messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In humans, the major endocrine glands are the thyroid gland and the adrenal glands.
Cells that are in active protein synthesis are filled with which of the following?
A. vacuoles
B. mitochondria
C. ribosomes
D. smooth ER
Answer:
♡Hiya there♡
-- The answer is C, I did research and saw it's true ♡
~Clara
✧･ﾟ: *✧･ *:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ *:･ﾟ✧*:･ﾟ✧✧･ﾟ: *✧･ *:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ
Explanation:
Answer:
C
Explanation:
protein synthesis occurs in ribosomes
4. What is the mass of N2H4 gas in a 350.0 mL container at 50.0 °C, if the pressure of the gas is
885.0 torr?
Answer:
0.36g
Explanation:
Given parameters and conversion to standard unit
To solve this problem we must assume ideality
Volume of N₂H₄ = 350mL = 0.35dm³
Temperature of container = 50°C = 50 + 273 = 323K
Pressure = 885torr;
760torr = 1atm
885torr = [tex]\frac{760}{885}[/tex] = 0.86atm
Unknown:
Mass of the compound = ?
Solution:
The mass of the compound can be derived using the expression below;
Mass = number of moles x molar mass
molar mass of N₂H₄ = 2(14) + 4(1) = 32g/mol
To find the number of moles;
PV = nRT
n = [tex]\frac{PV}{RT}[/tex]
P is the pressure
V is the volume
R is the gas constant = 0.082atmdm³mol⁻¹K⁻¹
T is the temperature
n = [tex]\frac{0.86 x 0.35}{0.082 x 323}[/tex] = 0.01mole
So,
Mass = 0.01 x 32 = 0.36g
There is a certain type of fish in a lake. Fisherman can catch the largest of these fish using nets. They don't like the little fish and most of the smaller ones can get through the holes of the nets. After a few decades of this type of fishing, how do you think the fish population may change? Use the ideas explored in this article to give an explanation for your answer.
Answer:
After a few decades, there will be only small fishes, as directional selection will be acting in this population.
Explanation:
Directional selection increases in the proportion of individuals with an extreme phenotypic trait. Individuals expressing the other phenotypic extreme might be receiving different pressures that drive them to decrease their fitness. These pressures, in general, might be related to food access, niches availability, reproduction, predation, among others.
In this example, there are two extreme phenotypic traits, large and small fishes. Large fishes are being predated by fishermen, who prefer large individuals rather than small ones. Large fishes fitness start to decline, as they are being hunted. Only small fishes get to survive, they get to reproduce and hence, to have better fitness. Natural selection is acting on the size of these animals, favoring the small-sized ones. Over a few decades, the directional selection will increase the proportion of small fishes.
There are certain types of fish in the lake that the fishermen can catch using the nets. As they don't like the small ones which get out of the holes of the net.
As after a few decades there will be only small fish remaining As the directional selection will be acting on the population. Directional selection is when individuals with traits and one side there are better chances of survival.Learn more about the certain type of fish in a lake.
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Table 2: Translation of mRNA molecules
tRNA
Amino
Codons
Anticodons
Acids
AUG
(start)
Number of Water Molecules
Produced
Steps of Building a Protein:
1.
2.
on WN-
I
4.
5.
The translation is one of the important processes of the central dogma, in which the messenger RNA molecule is decoded in a ribosome.
The answer can be given as:
tRNA Anticodons - UAC Amino Acids- methionine Number of Water Molecules Produced -0In the translation, the mRNA sequence is decoded to produce the anticodons within the ribosomes. The translation of amino acids starts with the starting code AUG. The tRNA anticodon complementary to the mRNA will produce UAC.
In RNA, thymine is replaced by uracil, which is complementary to adenine. Thus, the UAC codes for methionine will be formed.
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Which is a frameshift mutation? substitution nonsense silent deletion
Answer:
deletion!
Explanation:
edge 2020
Deletion mutation is an example of frame-shift mutation.
FRAME-SHIFT MUTATION:Frame-shift mutation is a type of mutation in which the reading frame of a DNA (nucleotide) sequence is altered.
DNA or RNA is made up of nucleotides subunits, which is read in a particular pattern. When this reading pattern is shifted, frame-shift mutation is said to occur.
Deletion mutation and insertion mutation are the two kinds of mutation that results into frame-shift mutation.
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Which is an indication that a man might be choking?
He puts his hands on his stomach.
He has an increase in his body temperature.
He loses consciousness.
He experiences severe shivering.
Answer:
He loses Consciousness
Explanation:
Because of his struggle to breathe he will eventually lose consciousness
An indication that a man might be choking includes the loss of consciousness. Thus, the correct option is C.
What is Choking?Choking is the inability of an organism to breathe which is caused by a blockage in the throat or windpipe. Choking occurs when an object or food particle becomes lodged in the throat or the trachea. It blocks the airflow. If the airflow is blocked in the trachea, choking can be a medical emergency and it needs urgent attention as it could lead to death.
The main symptom of choking is an inability to breathe or talk. There may be coughing. In severe cases, the skin may also turn blue. Another important indication that a man might be choking is the loss of consciousness.
Therefore, the correct option is C.
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PLEASE HELP!!! THANK YOU SO MUCH :)
Answer:
3rd one
Explanation:
Answer:
this is my answer
Explanation:
i think it's the 2 one
why honey is beneficial for even diabetic patients
Answer:
One benefit of eating honey is that it could increase your insulin level and help control your blood sugar. Replacing sugar with honey can also be beneficial, considering how honey is a source of antioxidants and has anti-inflammatory properties.
Explanation:
what is a chlorophyll and where is it found
Answer It is found in the chloroplasts
Explanation:
What occurs in the light independent reactions?
Answer:
Light energy is harnessed in Photosystems I and II, both of which are present in the thylakoid membranes of chloroplasts. In light-independent reactions (the Calvin cycle), carbohydrate molecules are assembled from carbon dioxide using the chemical energy harvested during the light-dependent reactions.
Explanation:
What element is found in liver and is needed to prevent anemia or “tired” blood?
Answer:
Iron (Fe)
Explanation:
Which of the following allows for water molecules to have high surface
tension?
strong covalent bonds between water molecules
weak ionic bonds between water molecules
weak hydrogen bonds between water molecules
strong hydrogen bonds between water molecules
Submit
Answer:
Among common liquids, water exhibits a distinctly high surface tension due to strong hydrogen bonding between its molecules. As a result of this high surface tension, the surface of water represents a relatively “tough skin” that can withstand considerable force without breaking. A steel needle carefully placed on water will float.
Which of the following would be a direct result of an error in the transcription of DNA to mRNA
Answer:
Just take ur best guess
Explanation:
what do All food chains,food webs, and energy pyramids start with ?
Answer:
A producer
Explanation:
Answer:
a producer
Explanation:
I'm not sure how specific you have to be with your answer like saying "plants" or "the sun", but I do know it's producer.
If a carbon atom is bonded to two hydrogen atoms and two carbon atoms, what type of bond must exist between the carbon atoms?
single
double
triple
quadruple
Which are homogeneous mixtures? Check all that apply. vinegar trail mix orange juice with pulp sugar water sand soda pop in a sealed bottle
ASAP
Answer:
-Vinegar
-Sugar water
-Soda pop in a sealed bottle
Explanation:
Answer:
A. vinegar
D. sugar water
F. soda pop in a sealed bottle
Explanation:
just did it on edge 2020
responds to tissue damage pain
Answer:
Upon tissue injury, damaged cells release inflammatory chemical signals that evoke local vasodilation, the widening of the blood vessels. Increased blood flow results in apparent redness and heat. In response to injury, mast cells present in tissue degranulate, releasing the potent vasodilator histamine.
Explanation:
A controlled situation in which the researcher
manipulates one variable to discover its effect on
another variable, while holding all other conditions
constant is called an?
A) Experiment
C) Observation
B) Hypothesis
D) Thesis
please answer i have a 60 average in this class
Answer:
A. Experiment
Explanation:
The question above is related to the "Scientific Method." The "Experiment" is being conducted after the researcher comes up with a hypothesis (scientific guess). This step predicts the accuracy of the hypothesis and ensures that it is being conducted "fairly." In order to do this, the researcher has to control the situation. That said, he needs to manipulate one variable at a time. All the other conditions have to remain constant.
Which statement best describes cancer cells?
They grow as a single layer of cells.
They cease to reproduce after 20–50 mitotic divisions.
They reproduce only when needed to replace missing cells.
They are not regulated by contact inhibition.
Answer: They are not regulated by contact inhibition.
Explanation:
Contact inhibition is a form of controlling cells. Cancer doesn't have contact inhibition, which is one of the reasons why it spirals out of place so easily.
Answer:
They are Not regulated by contact inhibition.
Explanation:
The other 3 options are not characteristics of a cancer cell. Cancer cells have unlimited cell division, no anchorage dependent inhibition, no contact inhibition, and forms tumors - hence they don't form a single layer of cells.
The temperature of Mercury is not regulated and the atmosphere easily floats away while being
replaced with solar wind.
Mercury has a
atmosphere.
the temperature of mercury is not regulated and the atmosphere easily floats away while being replaced with solar wind .
Mercury has a thin atmosphere.
Which characteristic is an advantage of sexual reproduction?
The characteristic which is an advantage of se×ual reproduction is genetic variation.
What is Genetic variation?
This can be defined as difference in DNA among individuals or the differences between populations.
This form of reproduction is made possible through the type of cell division known as meiosis in which four unique daughter cells are produced which explains the variations being present.
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Extreme acidity in soil helps plants thrive because the hydrogen ions kill off all harmful microorganisms that may stunt a plant's
development
True
False
Answer:
False
Explanation:
The best pH for soil is around 7-8 and the plant needs some of the microbial organisms to grow.
Answer: The correct answer is False
Explanation: This has been confirmed correct.
While some acidity is helpful, high acidity damages the root systems of plants.