Answers
Answer:
Melanocytes
Explanation:
Melanocytes produce the protective skin-darkening pigment melanin. Melanocyte, specialized skin cell that produces the protective skin-darkening pigment melanin. Birds and mammals possess these pigment cells, which are found mainly in the epidermis, though they occur elsewhere like in the matrix of the hair.
Melanin is a that is produced in organelles called in specialized cells called
MelanosomesMelanin is a dark pigment that is found in the skin of a human. This factor affects the color of the eyes, hair, etc in people as the more melanin available in the body, the darker these parts of the body are.
A specialized cell is responsible for the production of melanin called melanosomes and this is in varying quantities in different people.
Melanosomes are those cell nucleus that are responsible for the production, storage and transfer of melanin to the parts of the body.
Therefore, the correct answer is melanosomes
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Related Questions
offering 15 pts
*I'm looking for a high-quality complete answer. One or two sentences will not suffice. looking for about two paragraphs. :)
A biologist from another galaxy might think that automobiles are a dominant form of life on planet Earth. Automobiles move, consume gasoline and oil, and produce wastes. They are sheltered in garages and respond to stimuli. Automobiles age and break down, but new automobiles appear every year. They evolve, changing in appearance from year to year.
What arguments would you use to persuade the alien visitor that cars are not alive?
Answers
Answer:
Organisms need 6 things to be considered living which are, responsiveness to the environment, the ability to reproduce, having a metabolism, being able to breathe, maintaining homeostasis, being able to pass down traits, and made of cells. Cars, do not have the ability to reproduce, do not maintain homeostasis, cannot pass down traits, do not have a metabolism, etc... a living being needs to fit all of the criteria to be considered living. In this case, cars do not fit the criteria.
Knowing this, you would tell the alien about the 6 things needed to be considered a living being. After that, you would tell the criteria that the car does not fit which would then explain how a car is in fact, not a living being.
Explanation:
Most species of deer are known to eat many different types of plants. Other than being herbivores, identify the category of species that explains how deer are very adaptable to new environments.
Answers
Answer:
they are invasive species
Explanation:
Invasive species can be defined as a category of non-indigenous species that may cause environmental harm. Invasive species have a high fecundity rate, an important dispersal capacity, highly plastic phenotypes, general habitat preferences, ability to circumvent biological controls (i.e., competitors, predators, diseases), etc. In consequence, these features become invasive species practically impossible to eliminate after introduction into a certain area and highly adaptable to new environmental conditions.
The category of species that describes how most species of deer can adapt to new environments is: invasive species.
Note the following about Invasive species:
Invasive species are usually non-native species in a new environment.They have high fecundity rate, meaning they reproduce faster.They have variety of food they can become adapted to feeding on.They have high survival rate.They can invade an habitat and disrupt the ecosystem.They are pretty difficult to control.Most species of deer is are typical examples of invasive species.
Therefore, the category of species that describes how most species of deer can adapt to new environments is: invasive species.
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3 Drag each option to the correct location on the image.
Match the expenses to their respective type. 1. rent
2. employee salary
3. sales commission
4. machinery
5. wages
6. materials used for production
FIXED COSTS or VARIABLE COSTS
Answers
Explanation:
Fixed> materials for used production, machinery
Variable> Employee salary, wages, rent
The fixed costs are machinery and materials used for production while the variable costs are rent, employee salary, sales commission, and wages.
What are fixed and variable costs of production?A fixed cost of production is one whose value cannot be easily changed. Examples include machinery and equipment, factory space, etc.
A variable cost of production is one whose balue can be easily changed. Examples include salaries, wages, etc.
Therefore, the fixed costs are machinery and materials used for production while the variable costs are rent, employee salary, sales commission, and wages.
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Chemical reactions: Submit your Title, Observations and Data table in the space below. WRITER
Answers
Answer:
gas is easily forgooten in the structure of mass
Explanation:
because you cant touch it
Use the evidence of these ammonite index fossils, what can we say about these two
geologic layers?
They were laid down around the same time
Sandstone is older than the shale
Shale is older than the sandstone
Since they are from different locations, unless we can radiometric Lee date them, we cannot distinguish anything between the two
Answers
Answer:
Since they are from different locations, unless we can radiometric Lee date them, we cannot distinguish anything between the two
Explanation:
It is not possible to determine information about the geological layers of different locations just by viewing the images, as the question above asks. This is because these two sites have different natural elements that acted on these layers and these fossils differently. In this case, making conclusions only with the visualization of the images, would not promote accurate and correct information. Ideally, a radiometric dating would be performed in both cases, so that accurate conclusions could be created.
A teacher asked her students to transcribe a DNA sequence into a complementary RNA strand. She gave the students the following DNA code: AGC TTA GGC. Which student created the correct RNA strand?
Student 1
CUG AAC UUG
Student 2
AGC UUA GGC
Student 3
TCG AAT CCG
Student 4
UCG AAU CCG
Question 4 options:
a.student 3
b.student 2
c.student 1
d.student 4
Answers
Answer:
student 4 bcoz thymine is replaced by uracil in RNA
Answer:Student 4
Explanation:
PLS HELP ME!!!!!!!!!!!!!
Answers
Answer:Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river
Explanation: my brain is bigger than jimmy neutron
_ can cause drain pipes to become to become clogged. A. Hydrotropism B. Thigmotropism
Answers
Answer:
b
Explanation:
Answer:
I think B
Explanation:
Hope this helps
1
ushat is Environment. Pollution?
Se distinguish between-biodegeable and none biodegrabable
Pollutants
e) choose the biodegradable pollutants from the list given
below Sewage :DDT hadioactive waste agricultsal Waste
Answers
Answer:
Explanation:
the contamination of the physical and biological components of the earth/atmosphere system to such an extent that normal environmental processes are adversely affected. is called environmental pollution.
biodegradable substance are those which decompose naturally left beneficial
to the environment and are used by
but non biodegradable resources are the waste which do not decompose naturally. these waste cause pollution to the environment resulting harmful effect on living beings.
Sewage and agricultural waste are biodegradable waste.
How is energy converted and stored in the process of photosynthesis?
Answers
Pls mark as brainleist
During the process of photosynthesis plants convert light energy into chemical energy and can be stored in the molecular bonds of organic molecules.
What is photosynthesis?Photosynthesis is the process in which green plants prepare their own food in the presence of sunlight and light energy is converted into chemical energy by the process of cellular respiration.
The process of photosynthesis takes place in green plants only due to presence of chlorophyll and materials such as sunlight, water, carbon dioxide is required for the process of photosynthesis.
The equation of photosynthesis is represented below:
[tex]6CO2+ 6H2O - C6H12O6 + 6O2[/tex]
The process of food manufacturing in plant is done through photosynthesis and the plants are known as autotrophs as they are the producers.
In the process of photosynthesis the reactant have 6 carbon dioxide molecules and six water molecules, and light energy converted into chemical energy due to presence of chlorophyll.
Therefore,During the process of photosynthesis plants convert light energy into chemical energy and can be stored in the molecular bonds of organic molecules.
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What structure would not be found in a cell from human skin
Answers
Answer:
chloroplast i think , i may b wrong
PLEASE HELP ME WITH THIS QUESTION
Answers
Answer:
the answer is b.
Explanation:
prokaryotes don't have organelles, like eukaryotes do.
PLEASE HELP ME WITH THIS QUESTION
Answers
Answer:
Animal- Eukaryotic
Plant- Eukaryotic
Bacteria- Prokaryotic
Fungi- Prokaryotic
Protist- Prokaryotic
I'm not 100% happy with my answers so don't take my word on it that they will be 100% correct.
But anyway, Hope this is good.
Which of the following is an important step in the formation of a fossil?
The organism must dle of natural causes
The organism must be buried quickly
The organism must not have any fur.
The organism must be a reptile.
Answers
Answer: fossils can be formed only when a living thing is buried soon after it dies. If it is not buried soon enough, it decays. For this reason, most fossils are found in sedimentary rocks that were once under water.
Explanation:
Under ideal laboratory conditions the rate of growth of bacteria is proportional to the size of the population at time tt. Suppose that 21002100 bacteria are present initially and that 42004200 are present 1 hour later. How many bacteria are there at the end of 55 hours?
Answers
Answer:
The amount of bacteria that are there at the end of 55 hours is 2310231000
Explanation:
From the description in the question, the bacteria's population size doubles per hour;
Within 1 hour = 21002100 × 2 = 42004200
Thus
After 1 hr ⇒ 42004200
55 hrs ⇒ ?
? = 55 × 42004200 = 2310231000
The amount of bacteria that are there at the end of 55 hours is 2310231000
Cohesion has a surprising effect on
the surface of water called surface
tension. Thanks to linking of water
molecules, some bugs can actually
walk on water without sinking.
The word "surprising" in the selection above
tells the reader that
A
this phenomenon is common in the natural
world
B
this phenomenon can be replicated with
other animals in the wild
С
this property of water was recently
discovered
D
this property of water is unexpected and
unique
Answers
Answer:
A this phenomenon is common in water
please help me with this question:)
Answers
Answer:
animal cell........ hope it's will help u n please mark me as brainliest answer
When molecules of glucose and fructose combine to form sucrose, they do so by: Question 8 options: radiation hydrolysis electron clouds condensation reaction
Answers
Answer:
I think it's hydrolysis?
Explanation:
A byproduct of the formation of sucrose is water, when the hydroxide ions of glucose and fructose combine, they are bonded together by one of the oxygen molecules.
Hope this helps!
You can also test this by combining glucose (sugar) and fructose (a type of syrup) in a pot which makes caramel and hard candy.
what is the major biomolecule of cell membrane?
Answers
Answer:
hope it helps...
Explanation:
The principal components of the plasma membrane are lipids (phospholipids and cholesterol), proteins, and carbohydrate groups that are attached to some of the lipids and proteins. A phospholipid is a lipid made of glycerol, two fatty acid tails, and a phosphate-linked head group.
IF THIS HELPED PLEASE COMMENT..
12. Base your answer to the following question on the diagram below, which represents a chemical
reaction that occurs in the human body, and on your knowledge of biology.
Part of a
starch
molecule
Water
Z
Substances X and Y are examples of which kind of molecule?
A) simple sugar
B) amino acid C) fat
D) hormone
Answers
A) simple sugar
Explanation:
Starch is polysaccharide which is made up of monosaccharide(simple sugar)
When hydrolysis occur, the glycosidic bond is broken and starch molecule hydrolyzed and form amylose and amylopectin
The conversion of the complex molecule to a simpler molecular is said to be digestion. The human body does digestion to get energy and perform other actions.
The bioactive molecule which is required while digesting is called an enzyme which fastens the process.
According to the picture in the diagram, the starch molecule is attached to the active binding site of an enzyme which helps the digestion of starch, as starch is made up of simple sugar.
Hence, the correct answer is A) a simple sugar
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A man has extra digits (six fingers on each hand and six toes on each foot). His wife and their daughter have the normal number of digits (five fingers on each hand and five toes on each foot.) The couple's second child has extra digits. What is the probability that their next (third) child will have extra digits?a. 9/16.
b. 3/4.
c. 1/16.
d. 1/2.
e. 1/8.
Answers
Answer:
The correct answer is - option D. 1/2
Explanation:
Extra digits on hands and feet mean an individual has six fingers in each hand and feet, this is known as polydactyly. Polydactyly shows an autosomal dominant type of inheritance pattern.
In this case, the mother is normal so she must be recessive alleles and the first daughter is normal so the father must have a recessive allele which means he is heterozygous.
Cross:
Man = Dd
Woman = dd
Their children :
D d
d Dd dd
d Dd dd
Probability of polydactyl child = 2/4 or 1/2 or 50%
SOMEONE PLZ HELP ME!!!!!!!!!!!!!!!
Answers
Write a paragraph 4-5 sentences as to which one you think is better sexual or asexual reproduction
Answers
Answer:
Asexual
Explanation:
I think Asexual reproduction is better because you only need one reproduction Creature. For example plants, they are asexual so they do not need to worry about mating. Instead they can just create more plants by doing nothing. This helps us because we get more plants in a shorter amount of time. another example of Asexual reproduction is cross-pollination which is also an amazing way of creating more plants in a shorter time.
An individual organism expresses the phenotype for an X-linked recessive
gene. Neither of its parents expresses the trait. What can you infer about the
organism?
A. The organism will also express another linked trait.
B. The organism is male.
C. The organism will pass the gene to its offspring.
D. The organism is female.
Answers
Answer: The organism is a male :)
Explanation: just took a quiz on it
Answer:
b
Explanation:
which of the following describes the interrelated nature between photosynthesis and cellular respirationremember
Answers
Answer: cellular respiration produces oxygen, while photosynthesis uses oxygen. Photosynthesis releases energy, while cellular respiration stores energy. Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
Cellular respiration stores ATP, while photosynthesis releases ATP.
Sucrase is the enzyme that catalyzes the reaction
Sucrose
Sucrose + Water ----------------------> Glucose + Fructose
If we place 5 moles of Sucrase (enzyme) and 5 moles of Sucrose in a solution of water, how many moles of each substance would we have after 10 minutes?
Answers
Answer:
0 moles of sucrose
5 moles of sucrase
5 moles of glucose
5 moles of fructose
Explanation:
Sucrase hydrolyses the glyosidic bond in a sucrose molecule to produce one glucose and one fructose, therefore;
Assuming all the sucrose has been hydrolysed in 10 minutes, you would have:
0 moles of sucrose
5 moles of sucrase
5 moles of glucose
5 moles of fructose
SOMEONE HELP ME PLEASE!
Answers
Which word defines the group of all penguins living together in one area?
A) habitat
B) population
C) species
D) community
Answers
Answer:
B) Population
Soil horizons develop as a result of?
Answers
Answer:
translocation, additions, transformation, and removal.
Explanation:
Soil horizons are the result of these four things.
which elements have two valence electrons
Answers
Answer:
Calcium is a group 2 element. It's Calcium :)
Answer:
hope it helps:)
Explanation:
Element: Calcium is a group 2 element with two valence electrons