Answer:
Sebum
Explanation:
The sebaceous gland produces sebum, an oily, waxy substance. Sebum lubricates the skin and hair of mammals.
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Answer fast pleAse i really need the help
Answer:
Due to different reproduction methods.
Explanation:
Organisms from eubacteria, plantae and animal kingdom are used different reproductive strategies which leads to genetic diversity. Bacteria use asexual reproduction which produces identical offspring while on the other hand, plants and animals use sexual reproduction that produces offspring that is different from plants which leads to variation in the organism so that's why we can say that different reproductive strategies is responsible for genetic diversity.
what is photosynthesis
Answer:
Photosynthesis is the conversion of light energy into chemical energy by plants and other creatures, which is subsequently released to fuel the organism's metabolic activities through cellular respiration.
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Have a great day!!
Answer:
the process by which the green plants use cardboard dioxide and water in the presence of Sunlight and chlorophyll to simple carbohydrates and release oxygen is called photosynthesis
Explain the adaptations for root hair cell
Answer:
they have thin membranes to allow diffusion of substance for short distance
they are numerous to increase the surface area of absorption
hope this helps
What keeps the Sun from expanding any further? A. Solar wind B. Hydrogen C. Gravity D. Visible light
Answer: The answer is B. Hydrogen.
Explanation:
plants make glucose using energy from the sun and two molecules. which two molecules do they use ?
which muscles can participate in breathing
If Darwin knew of Mendel's work, how might it have influenced his theory of evolution? Do you think this would have affected how well Darwin's work was accepted?
Answer:
See explanation
Explanation:
According to Darwin, the determinant of the ability of species to thrive in their environment is their ability to develop favourable characteristics which enable them to survive in their environment. This ability to develop favourable characteristics is called natural selection.
These favourable characteristics are passed on from parents to offsprings and are responsible for the perpetuation of organisms having these favourable characteristics in comparison to other members of the same species.
In relation to Mendel's theory, these favourable characteristics could be regarded as Mendel's factors (currently identified as genes). These factors are units of inheritance passed on from parents to offsprings.
If Darwin had an idea of Mendel's work when he propounded his evolution theory, he could have modified his idea of favourable characteristics to imply genes. This would have made his idea more empirical than speculative and led to a faster world wide acceptance of his ideas.
help asap if possible!
what were the four key concepts of Darwin's theory of natural selection?
then explain how Lamarck's theory was different and why it got rejected over time?
A starving dog might bite your hand if you were near his food. This behavior is based on (physiological or emotional)
needs.
How Do Eukaryotic and Prokaryotic Cells Differ?
Answer:
The cell nucleus is the fundamental feature that distinguishes eukaryotic cells from prokaryotic ones. A membrane surrounds the nucleus in eukaryotic cells, separating the DNA inside from the cytoplasm and other organelles. The nucleus of prokaryotic cells is not enclosed by a membrane, thus it is not a genuine nucleus. The nucleoid portion of the cytoplasm is where prokaryotic DNA is found. In comparison to eukaryotic cells, prokaryotic cells are generally smaller and less complicated.
OAmalOHopeO
Answer: The difference between eukaryotic and prokaryotic cells is that eukaryotic cells are those which have a membrane-bound nucleus that contains genetic material, as well as organelles that are also membrane-bound. Whereas, prokaryotes are cells that don’t have a nucleus or membrane-encased organelles.
Here is a food web:
Which of these correctly describes what the arrow stands for?
a. Eats
b. Gets energy from
c. Provides energy to
d. Depends on
Answer:
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C. Provides energy to
which example best shows that the chemisty of water is helpful to plants
easy biology question below first correct answer gets brainliest
In what ways is a eukaryotic cell similar to a city?
Answer: In many ways, the eukaryotic cell is kind of like a city. I will tell you what each of the organelles in a cell does. Your job will be to try to match each of the cell parts to the parts of a city and explain why they are similar. a) Golgi Apparatus: packages up proteins and labels them for distribution to other parts of the cell.
Each one, like the organs inside your body, fulfills a particular function that is required for the cell to stay alive. Consider the cells to be a miniature city. Because they all do similar jobs, the organelles could represent companies, places, or parts of the city.
What is a cell?Cells are the fundamental building blocks of all life. Gazillions of cells make up the human body.
They support the body's structure, absorb nutrients from food, convert those nutrients into energy, and perform specialized functions.
Each one, like the organs in your body, performs a specific function that is required for the cell to survive. Think of the cells as a miniature city.
Because cell city has jobs that a plant cell does not, it represents an animal cell. In cell city, we believe that a waste disposal plant performs the same function as lysosomes, an organelle found only in animal cells.
Thus, this way, a eukaryotic cell similar to a city.
For more details regarding a cell, visit:
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7. You and your lab partner are doing an experiment in the physiology lab. Each of you has an isolated muscle cell and you are supposed to stimulate it with an electrode as soon as its absolute refractory period ends. Your partner has a cardiac muscle cell and you have a skeletal muscle cell. Which one of you will use your electrode more times in one minute
Answer: I will use the electrode on the skeletal muscle cell more times in a minute than my partner will.
Explanation:
Based on the information given, an electromyograph tracing can be used on order to know when to use the electrode for the scenario explained.
An electromyograph is simply a machine that is used for the detection and the recording of the electrical potential that's been generated by muscle cells when such muscle cells are activated.
Due to the fact that a skeletal muscle cell while my partner has a cardiac muscle cell, I'll have to use the electrode on the skeletal muscle cell more times in a minute than my partner will.
What process occurs during transcription? (2 points)
Synthesis of proteins that are coded for by mRNA
Copying of DNA to form an mRNA strand
Replication of DNA to produce a complementary DNA strand
mRNA folding up by forming complementary bonds with itself
Answer:
Copying of DNA to form an mRNA strand
Explanation:
In transcription, DNA is copied to form an mRNA strand with complementary bases.
The DNA strand being copied during the process is called the template strand, and the mRNA that is made will be created from that strand.
This is the first step of protein synthesis.
This strand of mRNA is further used during translation, where it is used to code for amino acids to make proteins.
So, the correct answer is Copying of DNA to form an mRNA strand
Answer: The correct answer is Copying of DNA to form an mRNA strand
Explanation: Confirmed correct
When Dr. Philip tierno conducted his experiment on the pillows , he wanted to know the connection between pillows and the allergy-causing germs. He was trying to answer the question, Do these pillows contain germs that contribute to the family allergies?
Answer:
Yes. That was the question he was trying to answer.
Explanation:
To conduct the experiment investigating the connection between pillows and disease-causing gems, Dr. Philip needs to ask himself whether the pillows that will be used in the research contain germs that contribute to allergies in a family. This question allows Dr. Philip to have the basis to start his research and come to a conclusion about the pillows used in the research. Furthermore, the research points directly to the main point of the story.
Answer:When Dr. Philip Tierno conducted his experiment on the pillows, he wanted to know the connection between pillows and the allergy-causing germs. He was trying to answer the question, Do these pillows contain germs that contribute to the family’s allergies?
Explanation:Edmentum
What is the name of for a different froms of gene
Someone please help, the question is down below
Answer:
AGU
Explanation:
AGU and AGC are the two codons that code for the amino acid, Serine. These codons are made of three nucleotides, thus they have a triplet nature. AGU that code for serine is made of Adenine, Guanine and Uracil joined together, carried on the messenger RNA to be added to the growing polypeptide chain
An amino acid analyzer is an instrument used to determine a. the sequence of amino acids in a polypeptide chain b. the presence of modified amino acids in a protein c. the identity of N-terminal and C-terminal amino acids in a protein d. the identities and relative amounts of amino acids in a protein
Answer:
d. the identities and relative amounts of amino acids in a protein
Explanation:
An amino acid analyzer is an automated machine that is used to determine the identities and quantities of amino acids in a given protein, peptide, and cellular samples. It makes use of the ion-exchange chromatography principle to determine the presence of amino acids. When the chromatogram is obtained, the relative amounts are then determined by the analyzer.
Since proteins are made of sequences of amino acids, the identities of proteins can also be obtained through this method. Ninhydrin, in the chromatographic column, reacts with the present amino acids under an ultra violet detector and is then observed at a wavelength of about 440 - 570nm.
What does it mean to analyze data?
Answer:
The process of examining, cleaning, converting, and modeling data with the purpose of uncovering relevant information, informing conclusions, and assisting decision-making is known as data analysis.
OAmalOHopeO:
Describe the phases of mitosis and meiosis that are similar. What happens in these phases?
a small ball has a volume of 17 ml and a mass of 39 g. what is the density of the ball
Answer:
The right answer is "2.30 g/ml".
Explanation:
Given:
Volume,
= 17 ml
Mass,
= 39 g
Now,
The density will be:
= [tex]\frac{Mass}{Volume}[/tex]
By substituting the values, we get
= [tex]\frac{39}{17}[/tex]
= [tex]2.30 \ g/ml[/tex]
Suppose D were dominant and d were recessive, and you could label the D allele in the P generation with a radioactive substance that could be inherited over several generations. You create hybrids by mating your radioactive DD individuals to dd individuals. Finally, you cross two F1 individuals (with the Dd genotype). In 1,000 offspring, how many would you predict would be radioactive?
Answer:
750 offspring
Explanation:
The correct answer would be 750 offspring.
The D allele has been labeled with radioactive substance.
If you cross Dd and Dd:
Dd x Dd
DD Dd Dd dd
3/4 of the resulting offspring would have, at least, the D allele.
Hence, out of 1000 offspring,
3/4 x 1000 = 750
750 would possess the radioactive label.
Which picture shows how an organism uses parental care to ensure the
continuation of its species?
B pictures lamo
:-)
Explanation:
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Which of the following does not result in a cell with a new genetic
composition?
A.Conjugation
B.Transduction
C.Transformation
D.O Binary fission
Answer: D
Explanation:
Answer:
d. binary fission
Explanation:
a. direct contact transfer..so no
b. transfer by a virus...so no
c. transferred between microbial cells ... so no
d. asexual reproduction by a separation of the body into two new bodies ...so yes!
2)
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A
B
C
Which of the molecules above is a tRNA molecule?
none of the above.
A
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C
B
Answer:
B
Explanation:
Transfer RNA (tRNA) is an RNA molecule involved in the process of translation by which cells synthesize proteins. These molecules (tRNAs) have 76-90 nucleotides in length which form characteristic stem-loop structures, and they are considered adaptor molecules because tRNAs serve as the physical link between the messenger RNA (mRNA) and specific amino acid residues of the growing polypeptide chain. A tRNA is composed of a trinucleotide region (i.e., the anticodon region) that binds to the codon in the mRNA, and a region that attaches to a specific amino acid in order to transfer it to the ribosome, where protein synthesis takes place.
Answer:
b
Explanation:
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A person living in hilly areas suffered from swollen neck. Which deficiency disease is he suffering from? What is the probable cause of this disease?
Answer:
iodine deficiency and diatery habits
Explanation:
consumption of naturally occurring goitrogens like millets, cassava and cabbage lead to thyroid disorder.
Jaleel and Lisa are simplifying the expression 2 (x minus 2) + 2 as shown. Jaleel's Method 2 (x minus 2) + 2 = 2 x minus 4 + 2 = 2 x minus 2 Lisa's Method 2 (x minus 2) + 2 = 2 x minus 2 + 2 = 2 x
Answer:
Jaleel is correct
Explanation:
Given
[tex]2(x - 2) + 2[/tex]
Jaleel
[tex]2(x - 2) + 2 = 2x - 4 + 2 = 2x - 2[/tex]
Lisa
[tex]2(x - 2) + 2 = 2x - 2 + 2 = 2x[/tex]
Required
Who is correct
Analyzing the solutions
For, Jaleel; we have:
[tex]2(x - 2) + 2 = 2x - 4 +2[/tex] --- this is correct
[tex]2(x - 2) + 2 = 2x - 2[/tex] --- this is correct
For Lisa, we have:
[tex]2(x - 2) + 2 = 2x - 2+2[/tex] --- this is incorrect because:
[tex]2(x - 2) + 2 \ne 2x - 2+2[/tex]
Hence, Jaleel is correct
Answer:
d
Explanation:
All wrong answers will be deleted and reported. Plz give me the right answer!! Meningitis causes inflammation of the:
a.)skin
b.)digestive tract
c.)respiratory system
d.)brain and spinal column
TY for your help
Answer:D.
Inflammation of the fluid and membranes surrounding your brain and spinal column.
Explanation:
