What is the probability that a hamster will have black, fine hair?
A) 2/16 (1/8)
B) 4/16 (1/4)
C) 1/16
D) 8/16 (1/2)
Answers
Related Questions
find out how fermented bean pastes are made and write about the biotechnology of this useful food
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Answer:
Altogether, this recipe takes about five days and is done in three stages: Soaking the beans for 1-2 days. Cooking the beans until soft, about 1-2 hours. Mixing with seasoning and lacto-bacilli and allowing to ferment for 3 more days.
Modern Biotechnology is helpful in enhancing taste, yield, shell life and nutritive values.
Explanation:
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Foods or beverages created through managed microbial growth and enzymatic conversion of food components are referred to as fermented foods.
What is biotechnology?Biotechnology is the application of biology to the problem-solving and product-making processes. The most well-known application of biotechnology is the use of genetic engineering to produce therapeutic proteins and other medications.
Because the production of antimicrobial metabolites (such as organic acids, ethanol, and bacteriocins) lowers the danger of contamination with pathogenic bacteria, food fermentation has historically been used as a preservation technique.
Therefore, Foods or beverages created through managed microbial growth and enzymatic conversion of food components are referred to as fermented foods.
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Fill out the data table below with the range of each factor that will produce the optimal number of oxygen bubbles.
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The optimal ranges for the formation of oxygen bubbles vary between each plant, however, only water, c02, and temperature are limiting factors for photosynthesis.
This question is based on observations made during the course of an experiment designed to measure the optimal ranges at which oxygen bubbles form, given that these are an indication of photosynthesis.
Due to this, the information given will be generalized. Firstly, there is no exact optimal range of light for the formation of oxygen bubbles (photosynthesis) given that this is not a limiting factor.
Excess of light will have no effect on photosynthesis, only the lack of light can cause negative effects, therefore any light past the minimum threshold is fine.
On the other hand, water, light, and C02 are in fact limiting factors and have optimal ranges. For water, this optimal range varies greatly and therefore I cannot offer a general value, but an excess of water will "drown" plants by not allowing the formation of air pockets in the soil.
C02 sits at an optimal range of 1,000-1,300ppm for the best results. Lower concentrations cause a lower rate of photosynthesis given that it is the primary substrate for the process to begin. At too high levels, plants will have to adapt which can slow the process.
Finally, temperature is also a limiting factor for photosynthesis. Its exact value cannot be given since it varies greatly between plant species.
However, in general, terms, since it is an enzyme-dependent reaction, we can apply the general temperature at which enzymes function best which is around 37 degrees.
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mention 3 ways in which the lack of care to the coral reefs can be resolved
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Answer:
1 Recycle and dispose of trash properly.
2 Use environmentally-friendly modes of transportation.
3 Save energy at home and at work
Explanation:
PLEASE HELP ASAP (30 POINTS)
A sound with more vibrations per second sounds higher than a sound with fewer vibrations per second.
Question 8 options:
True
False
Answers
Answer:
true
Explanation:
Meiosis is the process that produces haploid gametes from diploid cells in the gonads. As a diploid cell progresses through the stages of meiosis I and meiosis II, at what point do the cells first become haploid
Answers
Answer:
A
Explanation:
Meiosis occurs in two phases. Meiosis I is the reductive phase, while meiosis II is non-reductive. The point at which the cells first become haploid is at the end of meiosis I, after homologous chromosomes separate.
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Through Meiosis, a diploid cell (2n) produces four haploid daughter cells (n).
After DNA replication there are two meiotic phases.
The first one is a reductive phase, in which homologous chromosomes separate. In the second phase, the cell suffers a new, not reductive division.1. In the first phase, Meiosis I:
Prophase I: Chromosomes condensate and become visible. Occurs crossing-over between homologous chromosomes. Crossin-over makes the daughter cells to be genetically different from the original one. Metaphase I: Homologous chromosomes randomly align in the equatorial plane. Anaphase I: In this phase occurs the division and independent separation of homologous pairs. Each chromosome migrates to different poles. This separation generates different chromosomal combinations in the daughter cells.Telophase I: Chromosomes of homologous pairs are already in the corresponding poles, and the nuclear membrane forms again in each pole.
Cytokinesis occurs
2. In the second phase, Meiosis II:
Prophase II: Chromosomes condensate again and become visible. Metaphase II: Chromosomes join the spindle apparatus and migrate to the equatorial plane, where they randomly line up. Sister chromatids are holden together until they reach the Anaphase. Anaphase II: Centromeres divide, chromatids get separated, and each of them goes forward an opposite cellular pole. Telophase II: Once in the poles, the chromosomes become lax again, and the nuclear membrane forms again.Cytokinesis occurs.
To answer this question, focus your attention on Meiosis I. During the anaphase homologous chromosomes separate. After this point, the nuclear membrane forms in the telophase, followed by cytokinesis. The result is two haploid cells.
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During exercise, the blood is travelling more quickly around the body. This carries more oxygen to the exercise muscles. Describe other changes in the athlete's body that enable more oxygen to be taken in at the lungs.
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Answer:
your heart rate goes up explaining why the blood is traveling quicker. this causes you to breath faster meaning bring more oxygen to the blood in your lungs faster. your blood pressure also goes up from the increase in heart rate.
Answer:
the breathing rate and volume of each breath increases to bring more oxygen into the body
Explanation:
it removes the carbon dioxide produced. the heart rate increases, to supply the muscles with extra oxygen and remove the carbon dioxide produced.
True or False: Transcription and Translation can occur at the same time for a single mRNA in prokaryotes.
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Answer:
False, they cannot
How do CAM plants photosynthesize under bright hot conditions without drying out?
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Answer:
by sealing their leaves against water loss and trapping carbon as organic acids
Explanation:
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lizards on a small island are more likely to have to mate with close relatives. the form of microevolution is
Answers
Answer: the founder effect
Explanation:
HELP NEEDED!!!!!!!!!BIOLOGY
Answers
Answer:
Explanation:
isotonic - direction of osmosis is equal on both sides
hypertonic - direction of osmosis is outside of the cell
hypotonic- direction of osmosis is into the cell
Can Someone help me with this?? Your help will be very much appreciated ! Its somewhat confusing so Please help if you dont mind ? ❣️I would love someone that could answer this correctly !! Thank you <333!
Answers
Answer:
1)Protein is composed of amino acid.
We can identify protein by sequencing amino acids in peptide.
Carbohydrates is primarily avilabke energy source.
2) Proteins and nucleic acids are made up of C H O But carbohydrates and lipids consist of C H O N.
3)Nucleic acid DNA and RNA store and transmit genetic information from one generation to next generation.
Nucleic acid as present in body therefore not considered as essential nutrients.So dietary sources are plant and animal foods like meat fish vegetables etc.
Someone can do this please
Answers
I am here to give the brainiest answer not to get points
Answer: yes
membrane molecules that use the energy of atp to move ions against a concentration gradient are called
Answers
Membrane molecules that use the energy of ATP to move ions against a concentration gradient are called PUMPS. This type of transport is called active transport.
Active transport is a type of transport that requires energy (e.g, ATP) to move molecules and/or ions against a concentration gradient.
In active transport, specific membrane transporter proteins referred to as pumps are used to move ions against an electrochemical gradient across biological membranes.
These protein pumps are fundamental for creating electrochemical gradients that are subsequently used by cells for diverse purposes (e.g., muscle contraction).
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Chlorophyll changes ______ energy into ______ energy.
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Answer:
Light energy to chemical energy
Explanation:
the conversion of light energy to chemical energy needs chlorofluorocarbon
what organ retains or releases body fluids, thereby regulating blood volume and blood pressure?
Answers
Answer:
excretion
Explanation:
waste
Answer: Kidneys
Explanation:
Define terrestrial animal.write any five characteristics of terrestrial animal
Answers
Answer:
- living on land or on the ground.
-rather than in water and trees or in the air
-a terrestrial life
-a terrestrial habitat
- and a terrestrial species
glycolysis begins with _________ and ends with __________.
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Answer:
Glycolysis starts with one molecule of glucose and ends with two pyruvate (pyruvic acid) molecules, a total of four ATP molecules, and two molecules of NADH.
Explanation:
Answer:
1 glucose molecule
2 pyruvic acid molecules
Explanation:
Glycolysis starts with 1 glucose molecule, which undergoes 4 stages until it splits into 2 pyruvic acid molecules. The products of this biochemical pathway include 2 NADH and 2 ATP molecules
In a forest community, a shelf fungus and a slug live on the side of a decaying tree trunk. The fungus digests and absorbs materials from the tree, while the slug eats algae growing on the outside of the trunk. These organisms do not compete with one another because they occupy
A. the same habitat, but different niches
B. the same niche, but different habitats
C. the same niche and the same habitat
D. different habitats and different niches
Answers
The shelf fungus and slug in the forest community do not compete with each other as they have the same habitat, but different niches. Thus, option A is correct.
What are habitat and niche?Habitat is defined as the place where the species resides while the niche is the role of the specific organisms or the species in that particular habitat or environment. The niche includes the impact of the species on the habitat.
The shelf fungus and the slug both live on the side of the tree and hence have the same habitat but the fungus takes minerals from the tree and the slug from the algae making them differ in the niche.
Therefore, the fungus and slug have the same habitat but different niches.
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Making changes to the secondary structure of hair has a different outcome than making changes to its tertiary or quaternary structure. How does this outcome differ
Answers
The outcome differs in the way that the protein folds itself at each level. The changes in the way that it folds lead to:
modifications in the function, shape or in the combination with other proteins.
Protein has different levels of structure. Each of them is related to how the amino acids and other molecules interact with each other. Hair is made of proteins, so if one of the structures is affected, the hair is too.
Let's analyse what happens in each level of structure:
In the case of the primary structure, which is the sequence of amino acids, the modification will give a non-functional protein that will not fold into the following structural level. So, there won't be new hair.For the secondary structure, a modification here can lead to a different folding. In other words, it can change from an α helix to a β pleated sheet or the other way round. This will give a different shape to the hair, like curly or straight.A modification in the tertiary structure modifies the interaction of the R groups in the protein, so the three-dimensional structure that this interaction gives will change, giving a different type of hair.Lastly, if we modify the quaternary structure, the protein won't interact with some proteins, but it may interact with others.
In conclusion, the modification of the secondary structure changes the interaction between the elements of the protein giving hair with different shapes.
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Answer:
Changes in secondary structure are temporary, while changes to tertiary or quartenary structure are permanent.
Which of the following is not a function of the human skeletal system?
a. Fatty acid storage
b. Primary glycogen storage
c. Protection of organs
d. Calcium storage
Answers
a movement away from the midline of the body is termed
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Answer:
A movement of a body part away from the midline, either of the body as a whole or that of the hand or foot, is termed abduction (L., to carry away). A movement of the body part back toward the midline (i.e., to the anatomical position) is known as adduction.
Explanation:
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Abduction is a movement away from the body's midline. Abduction is the term for a bodily part's lateral movement away from the body's midline.
Thus, body parts are divided or spread apart in this process. Abduction of the arms, for instance, occurs when you raise your arms from a resting posture and spread them out to the sides. Similar to this, you are practicing leg abduction when you stretch your legs apart.
Adduction, or the movement in the direction of the midline, is the reverse of this action. Important terminology like abduction and adduction are used to describe movement in respect to the body's midline in anatomical and physiological descriptions.
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Females have the chromosomes XY.
True
False
Answers
Answer:
False
Explanation:
The X chromosome is one of two sex chromosomes. Humans and most mammals have two sex chromosomes, the X and Y. Females have two X chromosomes in their cells, while males have X and Y chromosomes in their cells
(Hope this helps can I pls have brainlist (crown)☺️
Answer:
false
Explanation:
female have XX
Which scientist was the first to use the term cell to describe what he saw under the microscope?
Answers
Answer:
Scientist Robert Hooke
3. The presence of starch can be tested by using
Answers
iodine test
We can test for starch with the help of an iodine test. Soak any food items, namely potato, in drops of iodine for some time. If it turns blue-black afterwards, it contains starch. The liquid used for testing starch is an iodine solution.
importance of blood circulation
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Answer:
Proper circulation is key for maintaining optimal health. It ensures that blood and oxygen continuously flow throughout the body, allowing every organ to function properly. It helps to heal wounds faster, it keeps your brain sharp, it keeps your heart healthy, and it even gives your complexion a natural flush.
Explanation:
would you mind to brainliest my answer?
Specialized cells that communicate with each other through electrical and chemical signals are called:
Answers
Answer:
neurons
Explanation:
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the diagram shows two cells found in human blood.
a. the actual diagram of
red blood cell is 0.007mm ( 7 um) in diameter.
Calculate the magnification of the diagram. show your working.
side note: I measured it in a ruler and it's 2.3 cm = 23 mm (drawn to scale)
Answers
a)
Actual diameter = 0.007 mm
Diameter of scaled diagram = 2.3 cm = 23 mm
Formula to use:
Magnification = scaled dimension/actual dimension
Magnification = 23/0.007
Magnification = 3285.714... → x3286
b)
Red blood cells (RBCs), otherwise known as erythrocytes, don't have nuclei and organelles such as mitochondria, are smaller than WBCs and have a biconcave disc shape ideal for purpose
c)
i.
RBCs transport oxygen inhaled into the lungs around the body to all tissues and organs
ii.
RBCs are void of organelles so they are maximally packed with haemoglobin to bind and transport oxygen;
The biconcave disc shape is ideal for flowing through the blood vessels, particularly the capillaries, optimising them for transporting oxygen;
The small size also helps in being able to circulate the vasculature effectively and successfully
a)Actual diameter = 0.007 mm
Diameter of scaled diagram = 2.3 cm = 23 mm
Formula to use:
Magnification = scaled dimension/actual dimension
Magnification = 23/0.007
Magnification = 3285.714... → x3286
b)Red blood cells (RBCs), otherwise known as erythrocytes, don't have nuclei and organelles such as mitochondria, are smaller than WBCs and have a biconcave disc shape ideal for the purpose.
c)i.RBCs transport oxygen inhaled into the lungs around the body to all tissues and organs
ii.RBCs are void of organelles so they are maximally packed with haemoglobin to bind and transport oxygen;
What are RBCs?The biconcave disc shape is ideal for flowing through the blood vessels, particularly the capillaries, optimising them for transporting oxygen;The small size also helps in being able to circulate the vasculature effectively and successfully.
Thus, these are the answer.
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what is the function of restriction enzymes in bacteria?
Answers
Explanation:
A restriction enzyme is an enzyme isolated from bacteria that cuts DNA molecules at specific sequences. The isolation of these enzymes was critical to the development of recombinant DNA (rDNA) technology and genetic engineering.
mark me as brainlist pleaseSuppose white and brown fur in a species of rodent were due to different alleles at the same gene. An F1 cross between true breeding brown and white lines is set up. What evidence would best support white fur being dominant to brown
Answers
An F1 cross between true breeding brown and white lines is set up. What evidence would best support white fur being dominant to brown -----
The best evidence to show that white fur being dominant is when all the offspring after the cross are white instead of brown
They are therefore expected to produce heterozygous lines.
The evidence that would best support white fur being dominant is when all the lines produced are white despite being heterozygous.
A dominant trait is known to mask the expression of other traits.
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approximately what percentage of the human genome consists of repetitive dna or transposable elements?
Answers
Answer:
45%
Explanation: