According to the video “The Biology of Skin Color”, what is the pigment in our skin that reflects or absorbs light? A. Magnesium B. Melatonin C. Melanin D. Chlorophyll
Q: Scientist noticed that humans have distinct bacterial communities in their guts; the bacteria in…
A: The objective of the question is to identify the correct observation based on the given experiment.…
Q: What is an example of evolutionary mismatch in modern day humans? A. Fruits and vegetables were…
A: The concept of evolutionary mismatch refers to the idea that certain traits or behaviors that were…
Q: Which of these hypotheses does not explain why increased CO2 levels in the atmosphere could cause a…
A: Climate change has several implications on agriculture, many of which are making it more difficult…
Q: Which functional groups are present? H N-C-C CH2 OH Copyright © 2009 Pearson Education, Inc. H H…
A: The objective of the question is to identify the functional groups present in the given molecule H…
Q: Fill in the blank. Black coffee has pH levels as low as 5. Lemon juice has a pH of 2. This means…
A: The objective of the question is to determine how many times more acidic lemon juice is than black…
Q: Given the low likelihood of a B cell and T cell having the same antigen specificity, what is one…
A: The interaction between B and T cells is a crucial part of the immune response. B cells are…
Q: What is a cline? A. A gradual change in genetic or phenotypic characteristics of a population…
A: The objective of the question is to understand the definition of a cline in the context of biology.
Q: lease help with all of these! thank you so much! Neutral regions of a species’ genome that are…
A: To estimate the anticipated genetic diversity in areas prone to selective sweeps, factors such as…
Q: How can we summarize these results? Based on Nathan and Arianna’s reflex results from drinking…
A: Reflex action is defined as a sudden and involuntary response to a stimulus. For example, if we…
Q: Based on the picture, the primary function of molecule #14 in an animal cell is: A. Structural…
A: Urochordates, moreover known as tunicates or sea squirts, are interesting among creatures in that…
Q: Please asap ?
A: There are two mechanisms of transport in the living bodies - passive and active transport. Passive…
Q: 1. What did Hooke and Leeuwenhoek discover about cells by using a microscope? 2. What does the cell…
A: 1. The Microscopic Findings of Hooke and Leeuwenhoek:When Robert Hooke examined thin cork slices…
Q: Question 16 (1 point) Match the description with DNA or RNA. DO Most often found as a double helix…
A: The objective of the question is to match the given descriptions with either DNA or RNA, which are…
Q: A strain of plants has a mean height of 24 cmcm. A second strain of the same species from a…
A: The above problem mentions one plant of twelve cm and another plant of thirty-six cm. Therefore an…
Q: 1. List the three major types of community interactions. 2. Describe the relationship between a…
A: Note:- Sorry, since you have posted multiple questions, as per the honor code we are solving the…
Q: Limbic System, Emotion, Reward, and Addiction Describe how stimuli gain emotional significance…
A: Fear conditioning is a form of learning where an association is made between a neutral stimulus and…
Q: Naturalists who have accepted evolutionary theory now propose that: all of the items listed…
A: Step .1.1: This entails the description of natural selection which is an important aspect of…
Q: For this pedigree, assume all individuals are homoplasmic, but people from different families have…
A: Mitochondrial DNA (mt DNA) is a circular chromosome found inside mitochondria. Unlike nuclear DNA,…
Q: Consuming carbohydrates can lead to weight gain, and thus, they should make up a very small…
A: The statement that consuming carbohydrates can lead to weight gain is partially true, but the…
Q: Which of the following statements describe how genes, proteins, and traits are related? Select all…
A: Genes are DNA segments which convey the commands (genetic code) for protein synthesis or, in certain…
Q: What was missing in Dr. Llyod's Petri dish experiment for the microbes to grow? How much time is it…
A: Microbes are tiny organisms that can only be seen under a microscope. They are present in all parts…
Q: You are studying a mouse model of gastrointestinal infections and isolate cells and proteins from a…
A: Antibodies, also known as immunoglobulins, are proteins produced by the immune system to neutralize…
Q: How many codons are in the ORF of the transcript in this simulation? Ser Glu Leu Gly Leu Gly Pro Gly…
A: The Open Reading Frame (ORF) of a transcript alludes to the portion of the mRNA sequence that's…
Q: The figure below shows a very simplified interaction of energy flow or a northern hardwood forest…
A: The data provided recommends that invasive earthworms have a critical impact on soil environment and…
Q: C4 plants outgrow C3 plants in hot climates because O They temporally separate the initial carbon…
A: The plant kingdom includes multicellular, photo autotrophic eukaryotes. These organisms have a cell…
Q: [Select] triacylglycerols while [Select] triacylglycerols and cholesterol. ✓ [Select] VLDL LDL HDL…
A: The assembly of lipids plays a crucial role in maintaining metabolic balance within the human body.…
Q: Question 15 Which of the following is not characteristic of a fad diet? O It promotes quick…
A: Fat diet is a pseudo scientific diet which remains in fashion for a short time. It promises dramatic…
Q: Label parts of the sponge structure in the picture below
A: Sponges are the members of the phylum Porifera which means 'pore bearer'. They are multicellular…
Q: 8. What is the difference between an open and a closed circulatory system?
A: The two prevalent circulatory systems in various organisms are the open and closed circulatory…
Q: Glycolysis in an anaerobic environment produces a net of 2 ATP and Pyruvate. Why does Yeast bother…
A: The rate of balloon inflation comes under the topic of biology, specifically cell respiration. Cell…
Q: Corn Breeding / Genetic Problem A corn breeder is working with 2 inbred corn plants. He is…
A: In this context, a corn breeder undertakes the crossbreeding of two inbred corn plants,…
Q: SARS E You have generated several random mutations in this region. One of them is -…
A: DNA -> Transcription -> mRNA -> Translation -> ProteinTranscription is the synthesis of…
Q: Limbic System, Emotion, Reward, and Addiction Review the anatomy and function of the hypothalamus…
A: The Papez circuit, also known as the limbic circuit, is a neural pathway in the brain that was…
Q: P Critical Values of the x2 Distribution 0.995 0.975 0.9 0.5 0.1 0.455 2.706 1.386 .000 .000 0.016…
A: This is a dihybrid test cross. A dihybrid cross is a cross where two characters are considered…
Q: African Elf Pygmies have short stature as a result of the interaction of altered levels of growth…
A: Human growth hormone (hGH or HGH) commonly referred to as somatotropin or growth hormone (GH) is a…
Q: The following graph shows the average pH of the ocean over the last 20 million years of Earth's…
A: pH is a measure of the acidity, or alkalinity, of a solution. The pH ranges from zero to 14. A pH of…
Q: Based on the NCBI Blastp and reciprocal analysis, are there any mutations to suggest that mus…
A: In thе contеxt of tеsting thе human FGFR3 gеnе in Mus musculus, NCBI Blastp and rеciprocal analysis…
Q: What does it mean that excavation is a destructive process? A. As a site is excavated, it is…
A: The question is asking about the nature of archaeological excavation and why it is often referred to…
Q: Population growth rate of aphid (r) 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 a 3 a b 12…
A: Mutualism is a type of ecological interaction in which two or more species interact with each other…
Q: name the organ on the fetal pig brain
A: Fetal pigs are the unborn piglets killed by industries for the production of meat. Generally, pigs…
Q: Limbic System, Emotion, Reward, and Addiction List the effects of amygdala lesions at the…
A: The human brain is a complex and specialized organ that is responsible for sensory abilities,…
Q: Which of the following organs can be found in the thorax of a pig?
A: Thorax is the region between the abdomen and the root of the neck of humans, mammals and other…
Q: The main components of a mitochondrion are: O Outer membrane O Thylakoid membrane O Cytosol O Inner…
A: Mitochondria The name “Mitochondria” comes from Greek word, “Mito” means tread and “chondrion” means…
Q: 1) Does the three t-tests support the hypothesis: of manipulating light exposure will influence the…
A: Thе t-tеsts conductеd on Brassica rapa plants еxposеd to sunlight and incandеscеnt bulbs aim to…
Q: When cut with Hind III, what size should our GFP fragment be on the gel? Amp-R PGLO Plasmid 5371 bp…
A: When we cut the plasmid with HindIII, a GFP fragment of about 730 bp will be formed.
Q: According to the video “The Biology of Skin Color”, why do humans need calcium? A. To build strong…
A: The question is asking about the importance of calcium in the human body according to the video 'The…
Q: 1. Calculate the genotype frequencies of a population of flowers where the frequency of the CR…
A: A population that is not evolving is said to be at Hardy-Weinberg (H-W) equilibrium. The gene…
Q: Case #8: A 7-year old child has had a sore throat for 2 days. She now presents in the clinic with a…
A: The objective of the question is to understand why antimicrobial drug therapy is usually recommended…
Q: ) What does these results mean as shown in the three graphs and t-tests? 2) Can you explain why…
A: 1) In analyzing thе rеsults, it is еvidеnt from Graph 3 dеpicting lеaf counts that thе control group…
Q: When Homo sapiens migrated out of Africa they encountered a related species, Homo neanderthalensis,…
A: Understanding human evolution is crucial as it provides a genetic roadmap of our species’ history.…
According to the video “The Biology of Skin Color”, what is the pigment in our skin that reflects or absorbs light?
A. Magnesium
B. Melatonin
C. Melanin
D. Chlorophyll
AI-generated content may present inaccurate or offensive content that does not represent bartleby’s views.
Unlock instant AI solutions
Tap the button
to generate a solution
Click the button to generate
a solution
- According to the video “The Biology of Skin Color”, what does folate deficiency in males cause? A. Cardiovascular Disease B. High sperm production C. Blindness D. Low sperm productionAccording to the video “The Biology of Skin Color”, how does UV exposure vary throughout the world? A. The UV rays are the same at the equator and the earth's poles B. There are higher UV rays near the equator and lower UV rays towards the north and south poles C. UV rays don't vary across the globe D. There are lower UV rays near the equator and higher UV rays towards the north and south polesExplain the relationship between melanin and skin color. Why do you think people living near the equator have darker skin?
- Which statement is true about a tan and tanning? A. Sunning for the purpose of tanning produces healthier skin. B. A tan indicates sun damage to the skin. C. Tans last even if the skin is not exposed to the sun for months. D. Tanning promotes skin with a more youthful appearance. E. B and CAccording to the video “The Biology of Skin Color”, why are UV rays dangerous to our bodies? What can they do? A. UV rays can mutate the DNA in our skin cells B. UV rays can cause skin cancer C. UV rays can destroy folate D. All of the aboveRegarding the short film, "Biology of Skin Color" (in 250 to 300 words) - What is the relationship between melanin, geography, folate, and vitamin D? Provide a personal reflection on something that surprised you or something new you learned on this topic.
- Researchers studying skin color consistently measure skin color from exactly where on the body?According to the video “The Biology of Skin Color”, why do humans need calcium? A. To build strong and large brains. B. To build strong bones and have a healthy immune system. C. To help us digest dairy. D. Humans don't need calcium.What is one important function of melanin? A. Causes the skin to become cooler B. Absorbs harmful radiation C. Strengthens the skin or eyes D. Resets the diurnal biological clock E. Increases the amount of blood vessels
- Our skin contains melanocytes, which produce melanin that protects the cells from sun damage. If darker- skinned people have more melanin does this mean that they do not have to protect their skin from the sun? Explain your answer.Which statement is true about melanin and melanocytes?a. Melanin is produced by cells that are located in thestratum spinosum.b. Melanin is a pigment that accumulates inside keratinocytes.c. Darker-skinned individuals have more melanocytes thanlighter-skinned individuals.d. Albinism is caused by a lack of melanocytes inthe bodyAccording to the video “The Biology of Skin Color”, why is UVB critical for humans? A. It helps our bodies break down Vitamin D, which can be toxic to our bodies. B. It helps our bodies synthesize Vitamin C, which we need in order to absorb calcium in our diet. C. UVB is not critical or useful for us. D. It helps our bodies synthesize Vitamin D, which we need in order to absorb calcium in our diet.
