Answer:
Mutation
Explanation:
c.
If a family has 10 children that are all blue eyed, what is the most likely genotypes of their 2
parents?
Explain.
Answer:
Most likely the parents are both has blue eyes but that's phenotype s their genotype would be bb or blue/blue because blue eyes are a recessive trait and it would be highly unlikely for all ten children to have blue eyes if this genotype were not the case (likely about 50% would not have blue eyes if the genotype was anything else but recessive blue and recessive blue)
Explanation:
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What are the most likely percentages for offspring of two red/white-feather parents?
A. 100% red/white-feather chickens.
B. 50% white-feather chickens and 50% red/white-feather chickens.
C. 33% white-feather chickens, 33% red-feather chickens, and 33% red/white-feather chickens.
D. 25% white-feather chickens, 25% red-feather chickens, and 50% red/white-feather chickens.
it's D 25% white feathered chickens 25% Red Feather chickens and 50% red white feather chickens
In deducing the evolutionary relationships among dogs, do you think it would be better to use a sequence that is neutral or one that is under selection? Explain your answer
Answer:
a neutral marker
Explanation:
A gene polymorphism can be defined as the existence of two or more variants of the same gene (i.e., alleles). A polymorphism may be a difference of one nucleotide base in DNA (single nucleotide polymorphisms, SNPs) or indels (i.e., insertions and deletions). A gene under selection will have many polymorphisms in its sequence which may lead to convergence and disproportionate divergence among sequences, and thereby will be uninformative to trace the evolutionary history among individuals within a species, population, etc. Conversely, neutral molecular markers exhibit fewer nucleotide differences, it is for that reason that they are commonly used to determine genetic population structure among individuals.
lab how to clean is your laundry
Answer:
adf
Explanation:
f
PLEASE HELP ME WITH THIS QUESTION
Answer:
Transport protein-D
phospholipid bilayer-A
hydrophilic head-B
hydrophobic tail-C
One of the benefits of bite mark analysis is that clear bruising from a perimortem bite persists for weeks after the victim has died.
a. True
b. False
Answer:
False. Bite marks persist for hours, not weeks.
Explanation:
In a dead body, the marks left by a bite do not persist for a long time. In general,
if the bite was produced when the victim was still alive, the marks are recognizable for a period of 4 to 36 hoursif the bite was done after the individual´s death, then these marks might persist for a period between 12 and 24 hours after the victim was bitten.Also, it is important to consider that dehydration and putrefaction originate retraction of tissues and modify the original aspect of the bite.
The statement that bite mark analysis from clear bruising as a result of perimortem bite will persists for weeks when victim must has died is a benefit is false.
This statement is false because from bite mark analysis, bite usually last fir hours depending of the kind of bite and not weeks.Bite mark analysis serves as imperative area of forensic odontology which is a form of dental evidence that could be presented in criminal court.Therefore, the statement is false.
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Convection currents for weather start from when the Sun heats up the air. true or false
Answer:
True.
Explanation:
Convection currents for weather start from when the sun heats up the air because convection. Current is a form of heating where the lighter warm or less dense material rise above the denser or more dense material because the more dense materials cool and sinks downward giving rise to sea breeze. This convection current lead to circulation pattern on Earth
Imagine a diploid organism that has 6 pairs of homologous chromosomes in their somatic cells. Given
this information, indicate if the following statements are TRUE or FALSE:
[ Select)
A. The species can have up to 12 different alleles for each gene.
[ Select)
B. The genes of this species have, on average, 6 different alleles.
[Select]
C. The species haploid number is 1n=6.
[ Select]
D. The genes of this species cluster into 6 distinct groups of linked
genes.
[Select]
E. At most, an individual can have 2 alleles for any gene.
Select]
F. The organism can have up to 12 genes for any given trait.
[Select ]
G. The species can have up to 6 chromosomes with the same gene.
Select)
H. Gametes produced by each individual would have 12
chromosomes.
Answer:
A. False
B. False.
C. True.
D. False.
E. True
F. True
G. True
H. False.
Explanation:
Diploid organism has almost double the cells than in the Haploid. The number of chromosomes in each diploid cell are also nearly twice the other cells. Diploid is any cell or organism which has two sets of chromosomes. Gamete is considered as the sex cell. It has ability to pair up and formulate the reproductive cells.
PLEASE HELP ME WITH THIS QUESTION
Answer:
The cell grows.
Explanation:
During mitosis, interphase is the preparation phase to nurture the cell to get it ready to divide into new cells hence the name cell division.
How does the growth and development of Caulerpa compare to that of a typical multicellular plant?
Answer:
Caulerpa is a unicellular organisms
Explanation:
Caulerpa is a unicellular organisms and has its organelles within it's cell wall. It's an algae that have chloroplast which is use to produce food. They grow and develop to that length that is more than half a meter and they possess structure which look like real stems,roots of multicellular plants. They reproduce when adult produce sperm and egg and fuse together to produce another offspring. A single cell wall surrond the the root tips to the leaves and they move freely within the fluid.
The structure of agribusiness is the same as any other business except for which of the following?
the focus on agriculture
the need for scientific expertise
the lack of clear opportunities
the minor role of technology
All of the following are TRUE statements about prokaryotes EXCEPT:
A - Some prokaryotes can live in extreme habitats.
B - Prokaryotes are the most important photosynthesizers.
C - Some prokaryotes are important as decomposers.
D - Prokaryotes dominate the biosphere
E - Prokaryotes are the most numerous organisms on earth
Answer:
B - Prokaryotes are the most important photosynthesizers.
Explanation:
There are some phototrophic prokaryotic organisms such as cyanobacteria and photosynthetic bacteria that carry out photosynthesis through chlorophyll-like pigments (bacteriochlorophylls) that enable them to absorb light and by using water as an electron donor in a similar way to plants. These organisms contain specialized plasma membranes which contain these photosynthetic pigments. Nonetheless, it is important to highlight that algae are the most important photosynthetic organisms in aquatic environments, while plants are the most important photosynthesizers in terrestrial environments.
1. A plant tissue cells are elongated and thickened with cellulose strips at the corners.
a. Name the tissue having these features.
b. How is it involved in storing starch?
c. How does it help young stems and leaves to bend without breaking?
Answer:
Explanation:
Collenchyma is the tissue with cellulose strips at the corner. It is usually found in the shoots and leaves of plants providing strength, support. The cells have thick cell walls with the corners thickened with cellulose.
Collenchyma is made of up cellulose and pectin, starch are stored as cellulose in collenchyma.
It prevents breakage of young stem by given strength, especially in growing shoots and leaves due to its thickened corners.
When approaching a horse, never approach form
the diploid cells undergo what a prodyce haploid gametes
what is the new peptide chain when the new dna segment is translated for 3'- TACAGGGTGCTACCCACT-5'
Answer:
Methionine- Serine- Histidine- Aspartate- Glycine- stop
Explanation:
Translation, which occurs in the ribosomes, is the second stage of protein synthesis where mRNA transcript is used to synthesize a peptide chain that eventually forms a protein. The mRNA sequence is read in a group of three nucleotide called CODON. Each codon specifies a particular amino acid, which is read and added to the growing peptide chain.
In this question, a DNA sequence reds 3'- TACAGGGTGCTACCCACT-5, the
mRNA sequence from this DNA during transcription will be:
AUG UCC CAC GAU GGG UGA
From this mRNA sequence, the peptide chain that will result following translation is:
Methionine- Serine- Histidine- Aspartate- Glycine- stop
Which of the following is NOT true regarding influenza virus and the disease it causes?
Influenza virus has the type of genetic material that requires the host cell to bring along a polymerase enzyme
Hemagglutinin is an envelope viral protein used to attach to host cells and gain entry via endocytosis
Influenza virus has the type of genetic material that requires the host cell to first produce the polymerase from the viral genetic material
Influenza virus has the type of genetic material that the infected host cell cannot immediately use
Neuraminidase spikes on the influenzavirus hydrolyze mucus, allowing the virus to access the epithelial cells in the lung.
Answer:
Hemagglutinin is an envelope viral protein used to attach to host cells and gain entry via endocytosis
Answer:
Hemagglutinin is an envelope viral protein used to attach to host cells and gain entry via endocytosis
Explanation:
How are sexual and asexual reproduction different ? List two unique examples .Provide two examples to show the differences between sexual reproduction and asexual reproduction . Thank you !
Answer:
Sexual reproduction is where you need two organisms to reproduce
And asexual just needs one organism to reproduce
Explanation:
For example humans are sexual and they need two humans to reproduce, plants are asexual and they just need themselves to reproduce
PLEASR HELP MEEE ! PLEASEEE
According to cell theory, which of the following would be composed of cells?
water
rock
air
insect
Answer:
insect
Explanation:
How do the functions of the skeletal and muscular system differ?
A.
Muscles send signals to the body, and bones are responsible for movement.
B.
Bones provide structure and support to the body, while muscles move the bones.
C.
Bones send signals to the body, and muscles are responsible for movement.
D.
Muscles provide structure and support to the body, while bones move the muscles.
Answer:
The functions of the skeletal and muscular systems differ in that bones provide structure and support to the body, while muscles move the bones.
Explanation:
The skeletal and muscular systems have complementary functions, which is why they are sometimes referred to as the musculoskeletal system.
Bones are solid organs, made up of calcium, which are connected to each other through joints, which provide them with a certain range of mobility. The main functions of the bones are protection and body support.
Muscles are contractile organs that are attached to bones by tendons. The location and relationship of the muscle to the bones is what makes it possible for the bony skeleton to move. Muscle contraction and relaxation is what contributes to the different body movements.
The other options are not correct because:
The function of the bone is to support, and the function of the muscle is to produce movement. Bones and muscles are not the ones that send the signals for body movement to occur.Answer:
B. Bones provide structure and support to the body, while muscles move the bones.
Hope this helps!
Explanation:
I got it right on a test.
What type transporters are used by mitochondria to shuttle ATP and ADP through mitochondria and cell?
Answer:
The correct answer is ATP/ADP transporter.
Explanation:
Mitochondria are the cellular compositions, considered as the driving force of the cells. Each day, ATP is required by living beings to energize all of the cellular activities. Muscle contraction, nerve impulses, protein synthesis, and DNA replication are some of the important procedures, which depend upon ATP supply.
As the only small concentration of ATP is present within the body, there is a need to produce it from the expended product ADP and phosphate with the help of the complex of enzyme, known as ATP synthase situated within the mitochondria. For the ADP to reach the enzyme and for refueling of the cell by the product ATP, each molecule is required to pass through an impermeable lipid membrane, which envelopes the mitochondria. For this, the mitochondrial ATP/ADP transporter takes part to transport ATP out of the mitochondria and ADP within the mitochondria.
Some prokaryotes once classified in the domain Bacteria are now classified as
Fungi
Plantae
Archaea
Protista
How can a longer seed be an advantage to the Red Mangrove?
Explanation
Once the propagule drops from the parent tree there is an obligate dispersal period which each species’ propagule must remain in the water. During this period embryonic development continues. For the red mangrove this dispersal period is the longest at 40 days. The black mangrove’s propagule must drift for at least 14 days. The white mangrove’s dispersal period is the shortest at 5 days, which also includes germination.
How does a sperm cell get to an egg?
A. It travels through
water.
B. It is carried by a
pollinator.
Answer: it travel through water.
Explanation:
How do human influence natural processes such as primary succession
?
Does milk dissolve in water?
Answer:
I want to know too.
Explanation:
What are the steps involved in removal of the sand?
Answer: Place a pattern in sand to create a mold.
Incorporate the pattern and sand in a gating system.
Remove the pattern.
Fill the mold cavity with molten metal.
Allow the metal to cool.
Break away the sand mold and remove the casting.
Explanation:
Answer:
Use tweezers
Explanation:
When a mitochondrial chaperone helps a mitochondrial matrix protein into the matrix by biased diffusion, the chaperone is said to be acting as ______.
a. Brownian motion
b. biased diffuser
c. Brownian ratchet
d. misratchet
e. unbiased diffuser
Answer:
c. Brownian ratchet
Explanation:
Mitochondria are cell organelles. They are known as the power house of the cells. The energy needed to power the cell is generated by the mitochondria. They functions like a digestive system.
The mitochondria chaperone are proteins that helps the proteins along pathways for their folding. They shield the proteins from other proteins and protect them from binding the folding process. The chaperone are mainly concern with the folding of protein.
The chaperone acts as a Brownian ratchet as the mitochondrial chaperone guides the matrix protein into matrix by the biased diffusion process.
Although a liver cell and a muscle cell in a human developed from the same single cell, their appearance and functions are different. This is because the liver cell _____.