Yes, humans and humpback whales share a common evolutionary lineage. Both humans and humpback whales are mammals, which means they have many biological similarities.
Additionally, research has shown that all mammals share a common ancestor that lived approximately 200 million years ago, so humans and humpback whales would have diverged from this common ancestor and evolved along separate paths.
Genetic studies have also provided evidence for the relatedness of humans and other mammals, including whales.
The last common ancestor of humans and whales lived over 95 million years ago and was a small, insect-eating mammal that lived on land.
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Result of this action potential releases what ion from the terminal cisternae
Designing and constructing buildings that are energy efficient, economical, and made of recycled materials, is a trend called:
Which two groups are the most similar in physical characteristics? Eukarya and Eubacteria Archaea and Eubacteria Archaea and viruses Archaea and Eukarya
Archaea and Eubacteria
Consider the consequences of a mutation in the dna template sequence 5'atg3' to 5'ttg3': what is (a) the resulting change in the mrna codon and (b) the effect on the corresponding amino acid? see section 16.4 (page 344) .
Based on this activity which of these definitions best explains the phrase "survival of the fittest"?
a. only the strongest organisms of a species survive
b. only the surviving and reproducing organisms of a species survive
c. only the most attractive organisms of a species survive
d. only the organisms with dominant alleles of a species survive
DNA and RNA are both
Answer
made up of nucleotides and carry molecules from one end of a cell to another
molecules that contain genetic information and are made up of nucleotides
monomers of protein molecules that provide structure to a cell’s nuclear membrane
protein molecules that carry the unique genetic information of an organism,
What did Charles Darwin discover about the theory of evolution?
Answer:
natural selection
Explanation:
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In any dihybrid cross where both parents are heterozygous for both traits, what is the phenotypic ratio of the offspring? A)1:1:1:1
B)6:3:2:1
C)9:3:3:1
D)12:4:3:1
In any dihybrid cross ration is 9:3:3:1.
What is the phenotypic ratio of a dihybrid cross if both parents are heterozygous for both traits?
The phenotype ratio predicted for dihybrid cross is 9 : 3 : 3 : 1. If parents are heterozygous, and one allele for each trait exhibits complete dominance.
What is phenotypic ratio of dihybrid cross?
In Mendel's dihybrid cross the phenotypic ratio was 9 : 3 : 3 : 1.
Hence , C is correct option
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What information is not required on the nutritional portion of a food label?
i had this question and it was price
hope this helps
Answer:
Price
Explanation:
Out of all the options "Sizes" is the only option that is not included on the label.
The nutrition facts label is nutritional information that is written on the packaged food that shows the percentage of the nutrients present in the packaged food.
Different countries in the world has their nutrition guidelines for all packaged food that are been sold in daily basis
nutrition information that's well detailed helps the consumers to have a good eating habit and this information can only be produced by the producers.
Some information on the label includes;
1.)INGREDIENTS; the ingredients are usually arranged in certain order I.e from the major ingredients(highest quantity) to minor ingredients (lowest quantity) such as sucrose,additives and others. and any FDA- certified must be included.
2.)DAILY VALUE; It is used on food label to so that the consumers can plan a healthy diet, it provide the percentage of the nutrients that is contained in a serving of food.
3.)PORTION SIZE; is the amount of a food consume in single occasion.
Which two muscle types contract by shortening of the sarcomeres? select all that apply?
The process of making new dna molecules is semiconservative. this means that every new dna molecule is composed of
The process of making new DNA molecules is semiconservative. this means that every new DNA molecule is composed of one strand of old DNA bound to one strand of newly synthesized DNA.
What is DNA replication?DNA replication is the process through which the genome's DNA (deoxyribonucleic acid) is copied in cells. Before a cell undergoes division, it must first replicate its entire genomic material so that each of the resulting daughter cell ends up with its own complete set of genetic material.
DNA replication is semi-conservative in nature. This means that in every double helix molecule of DNA, the new generation of an organism consists of one complete old strand and one complete new strand of DNA wrapped around each other.
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An inversion occurs along part of a chromosome. How does the inversion most likely affect the region in which it occurs?
A. Recessive alleles in the region become dominant alleles.
B. The coding sequence in the region disappears entirely from the cell.
C. Multiple frame-shift errors in the region are triggered after translation.
D. The information in the region is read differently during transcription.
Answer: The correct answer is-
D. The information in the region is read differently during transcription.
Inversion is a type of mutation ( that is permanent change in the genetic material of living organism) that occurs after break in a chromosome, which is followed by the rearrangement of the broken segment.
In other words, when a segment of chromosome is broken and reversed/rearranged within itself, it is called inversion.
It leads to change in the DNA sequence, due to which information in the region ( that is genetic information present in the form of nucleotide sequences) is read differently during transcription ( conversion of DNA to mRNA).
Thus, option D) is the right answer.
The fungal group with the largest number of known species is:
Birds migrating, cats chasing prey, sea turtles moving toward the ocean immediately after birth, and joeys moving to the mother's pouch immediately after birth are all examples of ________.
The answer is 'instinct'. This is innate complex behavior exhibited by an organism that is not learned. Some common examples are dogs shaking themselves dry when wet, honeybee communication via intricate dances, animal courtship behavior during mating season and the building of nests by birds.
Innate behaviors are hardwired actions that occur naturally in animals, such as migration in birds and imprinting in geese, where they follow an object that resembles their mother after birth.
Explanation:Birds migrating, cats chasing prey, sea turtles moving toward the ocean immediately after birth, and joeys moving to the mother's pouch immediately after birth are all examples of innate behaviors. Innate behaviors are those that are hardwired into an animal's biology and are performed without prior experience or training. These behaviors occur naturally in all members of a species. Migration is one such behavior, where animals move from one place to another, often in response to environmental changes, such as the change of seasons. Birds, for example, migrate to find warmer areas with more food during the winter months.
Imprinting is another example of innate behavior, seen in species like geese, which refers to the critical period shortly after hatching when they form attachments and follow objects that resemble their mother.
Since dna has a negative charge in which direction will it go in the gel if there are bubbles what does this mean
Where in our environment does our body obtain the oxygen it needs? What two systems are responsible for obtaining the oxygen and delivering it to the cells?
What system provides the nutrients that the cells will convert to energy?
During the process of making energy, our cells produce waste products. What systems are used to expel CO2?
What are the systems that are used to eliminate solid and liquid wastes?
Describe the relationship between the bones and muscles for movement, and the other systems that are necessary for the bones and muscles to function.
What systems are responsible for meiosis and what are the results?
Answer:
We get oxygen from the air i.e. atmosphere. Green plants release oxygen in the atmosphere as a byproduct of photosynthesis. Respiratory system is responsible for obtaining oxygen from the environment. Circulatory system on other hand helps in delivering this oxygen to different cells of the body with the help of blood.
We get nutrients from the food that we eat. Digestive system breaks down all the complex compounds (such as polysaccharides, polypeptides, fats etc) into simpler elements which are easy to absorb.
[tex]CO_{2}[/tex] produced as a waste product by the cells is carried by the blood to alveoli in the lungs where it gets diffused out and come out of the body as a part of exhale air. Hence, circulatory system helps in he transportation of [tex]CO_{2}[/tex] from cells to the lungs and respiratory system helps in expelling it out from the lungs to the outside environment.
Solid wastes are mainly excreted out of the body from anus which is a part of digestive system. On the other hand, liquid waste (urine) is excreted out of the body with the help of urethra which is the part of excretory system. In addition, excess salts and water can also excrete out of the body through skin.
Muscles and bones together help us in our locomotion. Nervous system is important for proper functioning of bones and muscles.
Meiosis is the type of cell division used to produce haploid cells or gametes from a diploid parent cell. Hence, it is used in reproduction system to produce sperm in males and eggs in females.
PLEASE, SOMEONE HELP ME! :) When we think about the effects of air pollutants we immediately think of respiratory issues. Exposure to one criteria air pollutant has harmful effects on the cardiovascular system including increased occurrence of heart attack and stroke. These effects can result in emergency department visits, hospitalizations and, in some cases, premature death. As expected, exposure to this pollutant is also linked to harmful respiratory effects, including asthma attacks. What is this pollutant?
A) ozone
B) sulfur dioxide
C) carbon monoxide
D) particulate matter
Which organism listed below does not extract energy through cellular respiration?
a. horse
b. bison
c. sequoia tree
d. human
e. all living organisms extract energy from food through cellular respiration?
"abnormal enlargement of air sacs in the lungs can lead to which condition"
A well supported testable explanation of phenomena that have occurred in the natural world is called
List and explain the factors that influence blood pressure, and describe how blood pressure is regulated.
why might a animal conservation group report more on evidence of climate change
The process of producing recombinant dna involves taking a gene from one organism and attaching it to the dna from another organism. write and an analogy that describes this process.
While working in a forensic lab, you are given a bit of tissue to analyze. it has several layers. the upper surface consists of dead, flattened cells. as you move deeper into the tissue, the cells look healthier. the bottom layer of cells is actively dividing. under the dividing layer is an acellular protein goo. you identify the sample as ________ tissue?
A plant that has been raised in a sterile environment shows symptoms of a viral infection. how would you explain this?
In order to get around the lack of ability of prokaryotes to remove introns from precursor rna, it may be necessary to
HELP PLEASE
What unit is used to measure surface temperature of the planets?
a.
Kelvin
c.
Degrees Celsius
b.
Degrees Fahrenheit
d.
Angstroms
Answer:
The correct answer is option A. Kelvin.
Explanation:
Kelvin is the is unit of temperature measuring like Celsius and Fahrenheit. The planet's temperature is mostly measured in the kelvin unit of temperature however degree Celsius and degree Fahrenheit also use to measuring in many cases.
Kelvin is an international unit of temperature which is equal to the -273 degree celsius and in planetary science mostly kelvin is used as the unit of measurement.
Thus, the correct answer is option - a. kelvin
In science, a scientific theory is defined as a/an __________.
Infections of which sexually transmitted disease can be greatly reduced by a vaccination?
A client and her partner are working together to achieve an unmedicated birth. the client's cervix is now dilated to 7 cm, and the presenting part is low in the midpelvis. what should the nurse instruct the client to do that will alleviate discomfort during contractions