Answer:
Cells divide and reproduce in two ways, mitosis and meiosis. Mitosis results in two identical daughter cells, whereas meiosis results in four sex cells
Explanation:
What are the student’s observations and inferences before he starts his investigation?
Answer:
Hypothesis. A Hypothesis is an estimation of what might happen and the student's observation before moving on to investigate.
List some Characteristic of fruits.
Answer:
Quality factors for fruits include the following— maturity, firmness, the uniformity of size and shape, the absence of defects, skin and flesh color. Many of the same quality factors are described for vegetables, with the addition of texture-related attributes such as turgidity, toughness, and tenderness.
A new member of your team is visually impaired. He's having a hard time reading his computer screen. How can you show that you value diversity? a) Suggest the organization may not be a great fit. O b) Tell him to apply for a different job within the organization that does not b) require computer usage. 12 Od Tell him that he might want to schedule an eye exam. c) d) Provide access to technology that can magnify or read what is on the computer screen.
Explanation:
Provide access to technology that can magnify or read what is on the computer screen.
prove that Sin^6 ϴ-cos^6ϴ=(2Sin^2ϴ-1)(cos^2ϴ+sin^4ϴ) please sove step by step with language it is opt maths question
is mucous an enzyme or harmone
Answer:
It's an Enzyme.
Explanation:
It is a viscous colloid containing inorganic salts, antimicrobial enzymes (such as lysozymes), immunoglobulins (especially IgA), and glycoproteins such as lactoferrin and mucins, which are produced by goblet cells in the mucous membranes and submucosal glands.
A suspension of yeast cells is being grown under anaerobic conditions such that glucose is metabolized to ethanol and carbon dioxide. An inhibitor of alcohol dehydrogenase is added to the suspension, the cells rapidly die. Explain.
Answer:
The correct answer is - NAD needed to keep glycolysis going is not being recycled so the entire process is shut down and no ATP is produced
Explanation:
Alcohol dehydrogenase plays role in metabolizing the bulk of ethanol consumed as part of the diet and their activities contribute to the rate of ethanol elimination from the body.
Inhibitor of this zinc enzyme prevents it to perform its function which results in NADH generated during anaerobic conditions glycolysis cannot be recycled back to NAD+, So the ATP production pf anaerobic condition through glycolysis cannot be maintained.
Why DNA synthesis is faster than RNA synthesis?is there any advantage of being faster?
Answer:
Explanation:
I read it's has to do with the amount of nucleic acid that must be synthesized. RNAs are tiny compared to DNA, so there is little selection pressure for speed. Also, multiple RNA polymerases can initiate simultaneously, effectively increasing the synthesis rate
Answer:An obstacle to the triviality of the first issue includes the fact that DNA polymerase replicates DNA at a rate of 10-15 times faster than RNA polymerase transcribes DNA so that these enzymes inevitably collide if they attempt to function concurrently and co-directionally
Explanation:
At any given instant, only a fraction of the genome (total DNA) is being transcribed. Consequently, speed is not necessary.
Is cell division a continuous process?
Illustrate with an example
Answer:
Cell division is the means of reproduction in unicellular organisms whereas it is the means of tissue growth and maintenance in multicellular organisms. ... In adults, cell divisions are involved in renewing old tissues rather than growth.,ya it is continuously processing
What can you learn about by studying DNA?
Answer:
whether these DNA tests can tell us much about an individual newborn's destiny, they are already a useful research tool that is providing new insights into how genes and environments interact, new avenues for understanding how mental illnesses (and other illnesses) develop and new pathways to explore potential ...
hope this will help you
mark me brainliest
Answer:
Explanation:
we can learn about DNA tests can tell us much about an individual newborn's destiny, they are already a useful research tool that is providing new insights into how genes and environments interact.
How are growth and development dinstinct from each other
Answer:
Growth is a physical change in ones body size that can be easily observed.
Development is the ability to do things complex, challenging, and difficult.
Help meeee!!!!
Why is it necessary to check total aerobic microorganisms in microbiological quality control but not to test total anaerobic microorganisms?
Answer:
While many microbes are harmless to humans, others can cause serious problems. They can spoil food, introduce toxins, cause disease and lead to a host of other problems. The importance of microbiological testing is to quickly identify these contaminants and treat them before they do irreversible damage.
Explanation:
Aerobic bacteria are bacteria that can grow and live when oxygen is present.
The precursor of EGP is translated from a transcript that has had one non templated nucleotide added to the open reading frame. This change does not create or eliminate a stop codon. Compared with the protein sGP, which is produced from the unedited transcript, EGP most likely has the same primary:
Answer:
Explanation:
It was added somewhere in the middle. Since this is a frameshift, everything downwind of the addition will most likely be different.
The question is basically asking, if you change everything from the middle to the end of an amino acid sequence, which end changes and which end would remain the same?
It basically asks, when amino acids are assembled into proteins, are they built from the amino to the acid direction, or the acid to the amino direction?
The answer is that amino acid sequences are always assembled N to C, much like nucleotide sequences are built 5 to 3.
If a diglyceride is formed, how many water molecules are involved?
a.
One.
b.
It depends upon the length of the fatty acids involved.
c.
Two.
d.
Three.
e.
None.
Answer:
b.
It depends upon the length of the fatty acids involved
PLEASE HELP FAST PLEASE ASAP HURRY
Answer:
A number is a correct answer
Glycolysis occurs in
1) mitochondria
2) cytoplasm
3) ER
5) Plastids
fatty acids are the building blocks of.
A. lipids
B. amino acids
C. DNA
D. monosaccharides
Fatty acids are building blocks of lipids. The correct option is A.
Fats and oil are known as lipids.
Lipids are part of the classes of food which are made up of high proportion of carbon and hydrogen with very little oxygen.
Fats are solids and oils are liquids at room temperature. They serve the following functions to the body:
They provide the body with energyThey are solvents for fat-soluble vitamins and hormones.Before lipids can be absorbed into the body, they must be broken down into fatty acids and glycerol.
Therefore, fatty acids are building blocks of lipids.
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In this excerpt, a reader can conclude that Lizzie is playful based primarily on her
Answer:
based on Lizzie's words
.1.2 The type of control shown in the diagram is known as
Answer:
which diagram
Explanation:
I hope you understand
The correct air track for a human respiratory system is
A.
-
B.
trachea - bronchus - bronchiole alveoli
trachea - bronchiole - bronchus alveoli
bronchus -
trachea
alveoli
bronchiole
trachea alveoli bronchus
bronchiole
С.
u
D.
Answer: Air enters through the nose (and sometimes the mouth), moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi and bronchioles till the alveoli.
Explanation:The pathway of air in the respiratory system starts with the external organs of the nose and mouth.
Nose: Air is inhaled through the nostrils (and sometimes through the mouth) where it is filtered by the hairs and cilia to remove dust particles and moistened. The nasal cavity also moderates the temperature of the inhaled air.
Pharynx: This is a common passage for food, water, and air. It leads from both the nose and the mouth and leads to both the trachea (windpipe) and the oesophagus (foodpipe).
Larynx: This is the voice box situated just over the trachea and has a flap called the epiglottis which closes during swallowing to prevent food from entering the trachea and opens during breathing.
Trachea: Air now enters the windpipe which is situated behind the sternum (breastbone) and between the two lungs.
Bronchus: From the trachea, two bronchi (one bronchus for each lung) enter the lungs and divide and subdivide into secondary and tertiary bronchi, getting narrower as they proceed into the lung.
Bronchioles: The tertiary bronchi branch into fine tubules called bronchioles, the last passageways for air.
Alveoli:. Air ends its pathway in the alveoli (sing. alveolus) which are tiny sacs with very fine singe-celled walls. These alveoli are surrounded by capillaries that connect the pulmonary arteries and veins and that enable transfer of oxygen and carbon dioxide.
An increase in the biodiversity of an ecosystem leads to an increase in its productivity.
True
False
Answer:
true
Explanation:
Importances of bacteria to humans
Answer:
Bacteria are very important to humans, both for good and for bad, due to their chemical effects and the role they play in spreading disease. In their beneficial effect, some bact
how does a viral immunization help prevent disease
Answer:
When people get vaccinated they there will be less change of transfer of communicable diseases
Select the statement about human impact on the environment that is FALSE. The number of humans engaging in a specific activity impacts the severity of the issue. Damaging the environment threatens human and ecosystem health. Pesticide and fertilizer use by humans is particularly damaging to the environment. Urban growth leads to increased waste, which leads to climate change.
Answer:
the answer is should be True
For both clinical and cosmetic reasons, plastic surgeons inject substances into connective tissue underlying the skin epidermis. This plumps up areas deficient in soft tissue, and is used to reduce surgical scars or wrinkles, for example. Which normal connective tissue components are good candidates to be injected as fillers in this type of procedure
Answer:B.) collagen
C.) glycosaminoglycan
Explanation:
what is osmolarity of mammalian urine?
Answer:
The osmolarity of mammalian urine may vary over time. The osmolarity of mammalian urine varies little between species. Mammalian urine is always hyperosmotic to blood. The osmolarity of mammalian urine may vary over time.
Explanation:
I hope it will help you
Normal blood clotting requires an adequate intake of vitamin K. Vitamin K is needed by the liver for
synthesis of prothrombin and other factors.
O a.
False
b. True
Clear my choice
How does temperature and concentration of monounsaturated phospholipids change the rate at which molecules permeate the plasma membrane? Does this change occur equally for low permeability ions the way and large molecules as it does for gasses and high permeability molecules?
Describe the way that enzymes increase the rate of chemical reactions in the cell. What other factors related to enzymes can increase or decrease this rate and why?
Answer:
я не знаю ответа извините
Explanation:
After fertilization occurs, the zygote undergoes cleavage and gets converted into 2,4,8 and subsequently a 16 celled stage known as morala. Thereafter certain changes occur in the morula and a blastocyst is formed. The blastocyst then gets implanted in the wall of the uterus.
A.3days
b. 6 days
c 10 days
d 14 days
Answer:
B. 6 days
Explanation:
I don't know a proper explanation, but overall it takes approx 6 days for the blastocyst to get implanted in the wall of the uterus.
In biological systems, there are several membrane transport systems responsible for the passage of ions like Na+ and K+.
a. True
b. False
Answer:
The correct answer is: a. True.
Explanation:
There are several membrane transport systems responsible for the passage of ions like Na+ and K+.
Cell membranes are semipermeable, which means they can regulate which molecules may and cannot flow through them. Some molecules may simply drift in and out of a cell (this is called simple diffusion), while others require specific structures to enter and exit (this type of diffusion is called facilitated diffusion), and still, others require an energy boost to pass the cell membrane (this is known as active transport).
Both simple diffusion and facilitated diffusion are types of passive transport: they happen without the energy boost that ATP gives, unlike active transport.
In passive transport, molecules follow their chemical gradients and travel through the most concentrated compartment to the less concentrated one to equal the concentrations. In active transport, on the other hand, the cell makes an effort to enter or exit ions against their chemical gradients and this is done particularly to maintain said gradients (they are required for the correct functioning of the cell).
Sodium and Potassium are two of the most important ions when it comes to maintaining these gradients: sodium is very concentrated in the outside of the cells (the extracellular compartment), while potassium is highly concentrated in the intracellular compartment. These differences in concentrations are maintained thanks to the Na+/K+ pump, a form of active transport. Apart from the Na+/K+ pump, these ions go through the membrane through passive transport as well, without requiring energy.
In this diagram of a long bone, which type of bone marking is circled? anatomical drawing of a long bone showing the internal structure, with the point where the blood vessels enter circled
Answer:
the answer is osteon
Explanation:
