Answer:
it helps to find out the type of bacteria affecting the red blood cells
Feeling dizzy, nauseous and feverish for a very long time might be due to low levels of hemoglobin or it can be due to decrease in white blood cells or platelets count. To diagnose the problem, it might help by doing whole blood count.
What is dizzy?Dizzy means a whirling sensation in the head which makes to fall.
What is nauseous?Nauseous means the feeling of vomiting.
What is feverish?Feverish means a rise in temperature than normal.
What is hemoglobin?Hemoglobin is the red colour pigment present in red blood cells.
What are white blood cells?White blood cells are the cells which helps in immunity.
What are platelets?Platelets are the larger cells which helps in clotting of blood.
What is diagnose?Diagnose means to identify.
What is problem?Problem means a harmful situation which is to be solved.
What is whole blood count?Whole blood count is the blood used to evaluate overall health.
Therefore by the physical examination, whole blood count can help in diagnosis of many disorders like anemia, tuberculosis, leucopenia etc.
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An experiment is a procedure that test a hypothesis by providing data and observations under controlled conditions is this true or false
Answer:
true
Explanation:
By experimentating your testing a theory or hypothesis based on certain criteria to see if your theory is correct. By experimentating you record data to back up your claims.
The theory or hypothesis is just your guess of what may or may not happen based on the criteria your wanting to prove.
LABEL THE DIAGRAM OF THE LEAF
Answer: i hope it will help
Explanation:
use this image to solve it and if you find any difficulties let me know
According to the table, which of these triplets contains a change to GCA that
is a missense mutation?
A. GAA
B. GCG
C. GCC
D. GCU
SUBMIT
PREVIOUS
Answer:
i think it d
Explanation:
Answer:
gaa
Explanation:
How are the starting reactants and the products of photosynthesis and cellular
respiration related?
Answer:
photosynthesis converts carbon dioxide and water into oxygen and glucose
Explanation:
cellular respiration coverts oxygen and glucose into water and carbon dioxide
DNA damage can occur as a result of exposure to chemicals or ultraviolet radiation. What happens during nucleotide excision repair of damaged DNA? A. Enzymes delete an incorrect DNA sequence, pull the gap closed, and join the bases on either side of the gap together B. Enzymes cut out the damaged gene, copy the same gene from the homologous chromosome, and insert the copy C. Enzymes detect an incorrect DNA base pairing in a DNA strand, remove the incorrect base, and insert the correct base. D. Enzymes open the DNA strand, remove a segment of DNA from the strand that contains the damage, and resynthesize the correct DNA sequence.
Answer:
D. Enzymes open the DNA strand, remove a segment of DNA from the strand that contains the damage, and resynthesize the correct DNA sequence.
Explanation:
From time to time, the DNA gets exposed to certain chemicals or radiation that damages it. However, the cell has a DNA repair mechanism in place called NUCLEOTIDE EXCISION REPAIR (NER).
NUCLEOTIDE EXCISION REPAIR (NER) is one of the DNA repair mechanisms in which certain enzymes open the DNA strand, remove a segment of DNA that contains the damaged gene or nucleotide bases, and resynthesize the correct DNA sequence using the pair of the damaged one.
The process of DNA replication occurs just before
Answer:
Explanation:
the process of DNA replication occurs just before the cell division i.e. mitosis. DNA synthesis happens in S-phase i.e. synthesis phase of interphase where cell division preparation happens.
After pollen grows a tube down the style, _____.
A: egg cells unite with an embryo
B: chromosomes slpit in half
C: the pollen sticks to the stigma
D: sperm cells travel to the ovary
Answer:
After pollen grows a tube down the style, sperm cells travel to the ovary (option D).
Explanation:
In angiosperms, the pollen grain contains the male gametophytes that are transported to a flower for pollination to occur.
Once the pollen reaches the stigma of a flower, from it grows a tubal extension, called a pollen tube, which grows into the ovary. The pollen tube allows male gametophytes (sperm cells) to come into contact with female gametophytes (eggs) to fertilize them.
The other options are not correct because:
A. Egg cells do not attach to the embryo, but to the sperm to produce that embryo.
B. Chromosomes split in half occurs in cell division.
C. Pollen sticks to stigma is a process that occurs before the pollen tube is formed.
what is respiration
Respiration is a metabolic process common to all living things. Here, you will learn the definition, location, processes, and formula for cellular respiration. At the end, you can test your knowledge with a short quiz.
What is Respiration?
When you hear the word 'respire,' you probably think of breathing. When you breathe, you are taking in oxygen with each inhale and releasing carbon dioxide with each exhale. This gas exchange is important for respiration, but while breathing is a physical process, respiration can be thought of as more of a chemical process. All organisms, from a single bacterial cell to a coral reef colony to a blue whale, undergo respiration.
Food molecules absorbed after digestion are taken in, broken down, and the energy freed in the process is used to power the organism's movements and physiological functioning. Respiration is the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells).
When we examine the equation for cellular respiration, we see that the reactants are glucose and oxygen (for aerobic respiration), and the products are carbon dioxide, water, and ATP. Note the number of oxygen, carbon dioxide, and water molecules involved in each 'turn' of the process.
respiration formula
Balance with Photosynthesis
Respiration is the antithesis to the process of photosynthesis, in which carbon dioxide and water are taken in by autotrophs, along with sunlight, to make glucose and oxygen. Autotrophs include any photosynthesizing organisms, such as plants and algae, all of whom also undergo respiration. The products of photosynthesis are taken in by heterotrophs, organisms who cannot make their own energy and rely upon autotrophs for food. The byproducts of their respiration - carbon dioxide and water - are then used for photosynthesis. In a balanced ecosystem, this exchange is an example of a negative feedback loop.
The balance of photosynthesis (green) and respiration (red)
photosynthesis, respiration
Three Phases of Respiration
In prokaryotic cells, respiration takes place in the cytosol and across the cell plasma membrane. In eukaryotic cells, it occurs in the cytosol and in the mitochondria. Mitochondria are the powerhouses of eukaryotic cells, and contain high surface areas of membrane folds on which respiration activity can be maximized.
Define pressure potential.
Answer:
The component of water potential due to the hydrostatic pressure that is exerted on water in a cell. ... In turgid plant cells it usually has a positive value as the entry of water causes the protoplast to push against the cell wall (see turgor).
Answer:
Mental pressure can cause death by sui cide.
Physical pressure can cause death by not allowing the body to complete a function or get the necessary amount of blood/oxygen it needs.
Timed! Which statement best describes the two methods of reproduction (30 points!) (picture included)
Answer: C
Explanation: Asexual: The cells split, but its still the exact same as the first cell it started with.
Sexual: Traits different from mother cell(S)
Which is an example of incomplete dominance?
A. A red flower and a yellow flower mating to produce an orange
flower.
B. A red flower and a yellow flower mating to produce a yellow
flower.
C. A red flower and a yellow flower mating to produce a red flower.
D. Two orange flowers mating to produce an orange flower.
Answer:
i think the answer is B
Explanation:
Answer:
B
Explanation:
Arrector pili are responsible for fingerprints true or false
type of potential energy stored in bonds between atoms
A. Autotroph
B.potential energy
C. Stroma
D. Calvin cycle
E. Heterotroph
F. Light reactions
G. Chemical energy
H. Chlorophyll
Griffith found that this combination of Streptococcus pneumoniae strains was highly severe.
Live R strain + Heat-killed S strain
Live T strain + Live S strain
Heat-killed R strain + Live S strain
Heat-killed R strain + Live R strain
Answer:
Live R strain + Heat-killed S strain
Explanation:
The R strain, in its live version, was nonvirulent. The ordinarily virulent S strain, when killed by heat and injected into the mice, became nonvirulent. However, when the mice were injected with both the nonvirulent R strain and the heat-killed S strain, the mice died.
Griffith found in his experiment that the following strain combination of Streptococcus pneumoniae strains was highly severe.
Live R strain + Heat-killed S
What was Griffiths experiment?Frederick Griffith performed one of the first tests to demonstrate that cells contain genetic material in 1928.Griffith's experiment used two pneumococcus strains: a deadly virulent strain (S) and a non-virulent strain (N) (R)Griffith infected mice with a non-virulent strain of bacteria (strain R) and found that they survived.Griffith used the pathogenic bacteria (strain S) to infect mice, and the mice died.Griffith infected mice with deadly bacteria (strain R) that had been heat-killed, and the mice survived because the bacterium had been killed.Griffith discovered that mice infected with a mix of heat-killed strain S and live strain R died.
Griffiths deduced from this that the live R cells had been converted into pathogenic S cells.
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If shelter wood cutting occurs regularly in a large forest, what would be the result after five years?
O a completely bare forest with no tree growth
O a standing forest with both mature and younger trees
a similar sized forest with a majority of unhealthy trees
O a smaller forest that has only saplings and young trees
Answer:
I think it is b
Explanation:
Why is there chloroplasts in leaf cells but not root cells?
Answer:
Chloroplasts are only found in the parts of the plant that are capable of photosynthesis. The majority of chloroplasts are found in the leaves of the plant because these structures have the greatest surface area for absorption. The outer part of a plant stem may also contain chloroplasts.
Explanation:
Answer:
Chloroplasts are in the leaf cells because the leaf makes photosynthesis, which takes place in chloroplasts. The roots keep the plant firm in the ground.
Hope this helps!
Aerobic and anaerobic respiration are process through which organism obtain energy from the
food they eat. Describe the processes of aerobic and anaerobic respiration. Identify an
example of each.
Answer:
Aerobic respiration is the process by which organisms use oxygen to turn fuel, such as fats and sugars, into chemical energy while Anaerobic respiration is respiration using electron acceptors other than molecular oxygen.
Explanation:
Aerobic respiration is the aerobic catabolism of nutrients to carbon dioxide, water, and energy, and involves an electron transport system in which molecular oxygen is the final electron acceptor. The overall reaction is: C6H12O6 + 6O2 yields 6CO2 + 6H2O + energy (as ATP)
An example is respiration in humans.
Anaerobic respiration: In aerobic organisms undergoing respiration, electrons are shuttled to an electron transport chain, and the final electron acceptor is oxygen. Molecular oxygen is a high-energy [2] oxidizing agent and, therefore, is an excellent electron acceptor. In anaerobes, other less-oxidizing substances such as nitrate (NO3−), fumarate, sulphate (SO42−), or sulphur (S) are used. These terminal electron acceptors have smaller reduction potentials than O2, meaning that less energy is released per oxidized molecule. Therefore, anaerobic respiration is less efficient than aerobic.
Example: In anaerobic respiration, the process occurs in the absence of oxygen such as alcohol fermentation, lactic acid fermentation (which can result in yogurt and in sore muscles), and in decomposition of organic matter.
Why perform multiple tests in order to identify an unknown bacterium, instead of a single biochemical test
Answer:
There is no specific test available for a perticular or any individual bacterium to be identified. A prticular test can only narrow down the choices on the basis of characteristic each test excludes or includes.
Most of the time, to identify a particular bacterium atleast 3 to 4 tests are required. Each test can give postive result to be positive for a new group of bacteria.
What are the raw materials of Cellular Respiration?
Answer:
Oxygen and glucose are both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
Explanation:
Which of the following actions can help to conserve energy?
A)
purchasing local foods
B)
using power strips
C)
washing clothes in cold water
D)
taking shorter showers
E)
all of the above
Answer:
E
Explanation:
All of the actions play a role in conserving energy. Purchasing local foods reduces the need for transportation, power strips keep a steady energy source, washing with cold water removes the need for a heater (which uses energy), and shorter showers have the same effect as stated before.
Answer:
E
Explanation:
Edge 2021
1. Which of the following are components of all cardiovascular systems? Select the THREE answers that are correct.
a series of tubes
an organ for gas exchange
a circulating fluid
a cavity for nutrient and gas exchange
a pump
2. Why do larger animals have closed circulatory systems?
Closed circulatory systems feature a smaller network of blood vessels than open circulatory systems, which allows for more targeted delivery of oxygen and nutrients to cells
Closed circulatory systems do not have chambers in the heart, which lessens complexity in the system and increases efficiency in oxygen and nutrient delivery.
Closed circulatory systems are less complex than open circulatory systems such that oxygen and nutrients are delivered to cells more quickly.
Closed circulatory systems allow for mixing of blood with other bodily fluids, which increases the rate at which oxygen and nutrients are carried to cells.
• Closed circulatory systems deliver oxygen and nutrients to cells and carbon dioxide and waste from cells more efficiently than open circulatory systems.
Answer:
for no.1
✓a circulating fluid
✓a pump
✓cavity for nutrient and gas exchange
for no.2
Closed circulatory systems allow for mixing of blood with other bodily fluids, which increases the rate at which oxygen and nutrients are carried to cells.
Looking at the Punnett square, what are the possible genotypes and frequencies
of Martha and John's children? *
A
a
а
Аа
аа
а
Аа
аа
Your answer
Answer:
what is a punnett square sorry i couldnt help
Explanation:
The mass of an element is the sum of the atomic number and the number of
A. electrons.
B. ions.
C. neutrons.
D. protons.
Answer:
a. electrons
Explanation:
The mass of an element is the sum of the atomic number and the number of protons.
What is atomic mass?Atomic mass is the total weight of all the particles (protons, neutrons, and electrons) in a single atom. It is expressed in atomic mass units (amu) or daltons (Da). The atomic mass of an element is determined by the number of protons and neutrons in the atomic nucleus.
Each proton and neutron has a mass of approximately 1 amu, and the atomic mass of an element is determined by the total number of these particles in the nucleus. The atomic mass of an element is unique and remains constant, regardless of the number of atoms of that element present. This value is important in determining the chemical properties of an element and the behavior of compounds and mixtures.
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What correctly differentiates between the structure and function of Organelle B
A. This organelle is composed of two membranes, it is the site of photosynthesis
B. This organelle contains mostly water and nutrients which aid in the rigidity of the cell
C. This organelle contains chromosomes and proteins, it directs cell activities and stored genetic information
D. This organelle is composed of two membranes,reactions inside it release energy that can be used for cell processes
Answer:
D. This organelle is composed of two membranes,reactions inside it release energy that can be used for cell processes
Explanation:
The image attached to this question represents a CELL, which consists of structures that performs specific functions called ORGANELLES. The organelle labelled B in particular is called a MITOCHONDRION. A mitochondrion is a double-membraned organelle i.e. it structurally has two membranes.
The mitochondrion is functionally the organelle where cellular respiration, which involves the synthesis of energy for the cell's metabolic activities, takes place. Hence, the statement that correctly differentiates between the structure and function of organelle B is: This organelle is composed of two membranes,reactions inside it release energy that can be used for cell processes
Felicia observed that the lettuce plants in her garden had wilted after several days of drought. The
next day, there was a downpour of rain, and the leaves began to swell. What cellular process caused
this effect in the lettuce plants?
Answer:
Due to the chought water was released from the plant which caused the plant to shrink or wilt.
Explanation:
Roots take water from the environment through osmosis. This is the diffusion of water molecules from a less concentrated solution to a more concentrated one. Osmotic process caused this effect in the lettuce plants.
---------------------------------------------------------
Osmosis is the phenomenon that occurs when two dilutions of different concentrations are separated by a semipermeable membrane.
The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side to the less diluted one.
Water goes from the most diluted solution to the cell interior until concentrations are equal on both sides. At this point, the cell and the solution are in dynamic equilibrium.
As water enters, the cell begins to enlarge and becomes bigger-sized. It acquires turgidity.
Under natural conditions, the organism regulates the extracellular fluids to avoid cells swelling until they burst.
In the exposed example, the lettuce plants had lost water due to several days of drought. They were dehydrated.
Immediately after the downpour of rain, the plant cells acted as the more concentrated solution, separated by their membrane with a less concentrated solution.
Water molecules moved toward the most concentrated side, the interior of the cell.
Roots took water from the soil by osmotic process and drove it to the different plant tissues, rehydrating the cells.
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Sister chromatids separate during _____.
A. prophase
B. telophase
C. metaphase
D. anaphase
Answer:
D. anaphase
Explanation:
The removal of which of the following organisms would most reduce the transfer of energy
from aquatic organisms to terrestrial organisms?
Answer:
Food chain and food webs
why is freshwater beneficial to plants
Explanation:
freshwater beneficial to plants is because estuaries are usually shallow, sunlight can reach all levels of the water. Plants and algae are important to freshwater biomes because they provide oxygen through photosynthesis,
They enhance water quality and facilitate stop alga growth by victimisation nutrients created by fish waste, unconsumed food and organic scrap. They turn out element throughout daylight, that is employed by fish and helps stabilize pH scale. Fish, in turn, unleash unleash, that plants use as a food supply.
The numbers in the figure below represent the chromosome number found in the
nucleus each of the dog cells shown. The arrows indicate processes that are occurring
over time (for example, a cell at A with 78 chromosomes is dividing to become cells
with 39 chromosomes; two cells with 39 chromosomes are fusing at B to become a
cell with 78). The processes that are occurring at A and B are
B
(78
(39
(78
78
39
O Ais meiosis and B is pollination
O Ais mitosis and B is meiosis
O Ais meiosis and B is mitosis
O Ais meiosis and B is fertilization
The processes that are occurring at A and B are A is meiosis and B is fertilization. The correct option is D.
What is fertilization?Fertilization, or the union of the sperm and the egg, takes place in this section of the tube. The fertilized egg then begins its rapid descent to the uterus.
The period of rest in the duct appears to be required for the fertilized egg to fully develop and the uterus to prepare to receive the egg.
Meiosis is a type of cell division in reproducing organisms that produces gametes such as sperm or egg cells.
It involves two rounds of division that result in four cells with only one copy of each chromosome.
The given scenario is showing that the gametes are going through meiosis which is making their chromosome number half, and then combining again to aid fertilization.
Thus, the correct option is D.
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Which letters are broken down to produce energy for cells?
Answer:
C and D
Explanation:
All living organisms need energy, which is produced by the breakdown of the food ingested in a process called CELLULAR RESPIRATION. Cellular respiration, which is the process whereby energy in form of ATP is synthesized, occurs in the MITOCHONDRIA.
However, the products of cellular respiration (CO2 and H2O) are used as reactants by plants to produce glucose and oxygen in their CHLOROPLASTS. The glucose and oxygen are broken down in the MITOCHONDRIA to yield energy by cells.
In this image, letters C and D represents glucose and oxygen, which are products of photosynthesis in the chloroplast. Glucose and oxygen represented by C and D are broken down to produce energy for cells in the mitochondria.