Smallest to Largest:
1. Nucleotide
2. Gene
3. Chromosome
4. Genome
Nucleotide, Gene, Chromosome and Genome is the levels of genetic information in order from smallest to largest.
What is Chromosome?Chromosomes are the thread-like structure made up of protein (histones) and a single molecule of DNA which carries all the genetic information in it. It is located in nucleus.
Human have 23 pairs of chromosomes including pairs of 22 chromosomes (i.e. Autosomal Chromosomes) and 1 pair of Sex Chromosome (XX or XY).
Each pair contain two Chromosomes inheriting from the parents, half from mother and another half from the father.
Each chromosome have a point which is constricted in the middle known as Centromere, which divides chromosomes into two arms i.e. short arm “p” and long arm “q”.
Thus, Nucleotide, Gene, Chromosome and Genome is the levels of genetic information in order from smallest to largest.
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the part of the diencephalon that is in the anterior and inferior region of the diencephalon is the
Answer:
hypothalamus
The part of the diencephalon that is in the anterior and inferior region of the diencephalon is the Hypothalamus.
What is Hypothalamus?The hypothalamus exists a portion of the brain that includes a numeral of small nuclei with a combination of functions. One of the most important operations of the hypothalamus exists to link the nervous system to the endocrine system via the pituitary gland. The hypothalamus exists discovered below the thalamus and exists as part of the limbic system. The terminology of neuroanatomy, includes the ventral part of the diencephalon. All vertebrate brains include a hypothalamus. In humans, it stands the size of an almond.
The hypothalamus stands answerable for the regulation of specific metabolic functions and other actions of the autonomic nervous system. It synthesizes and secretes certain neurohormones, named releasing hormones or hypothalamic hormones, and these, in turn, promote or inhibit the secretion of hormones from the pituitary gland. The hypothalamus influences body temperature, hunger, important aspects of parenting and affection manners, thirst, fatigue, sleep, and circadian rhythms.
Hence, The part of the diencephalon that is in the anterior and inferior region of the diencephalon is the Hypothalamus.
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Determine the phenotypic ratios of the offspring. 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constricted 9 green-inflated : 3 green-constricted : 3 yellow-inflated : 1 yellow-constricted 9 green-constricted : 3 green-inflated : 3 yellow-constricted : 1 yellow-inflated 9 yellow-constricted : 3 yellow-inflated : 3 green-constricted : 1 green-inflated
From a cross between dihybrid individuals, whose diallelic genes code for one trait each, expressing complete dominance, the phenotypic ratio is B) 9 green-inflated : 3 green-constricted : 3 yellow-inflated :1 yellow-constricted.
-------------------------------
Since I do not have the cross, I will assume the cross involves two dihybrid individuals by looking at the options.
So, let us picture the situation,
Two diallelic genes code for one trait each, color and inflated/constricted pods.G allele is the dominant and codes for green podsg allele is recessive and codes for yellow podsI is the dominant allele and codes for inflated podsi is recessive and codes for constricted podsThese genes are not linked1st Cross) Two h0m0zyg0us individuals
Parental) GGII x ggii
F1) 100% GgIi
2nd Cross) Selfcross between F1 individuals
Parentals) GgIi x GgIi
Gametes) GI, Gi, gI, gi
GI, Gi, gI, gi
Punnett square) GI Gi gI gi
GI GGII GGIi GgII GgIi
Gi GGIi GGii GgIi Ggii
gI GgII GgIi ggII ggIi
gi GgIi Ggii ggIi ggii
F2) Genotype
1/16 GGII2/16 GGIi1/16 GGii2/16 GgII4/16 GgIi2/16 Ggii1/16 ggII2/16 ggIi1/16 ggii
Phenotype
9/16 G-I- ⇒ Green and Inflated3/16 G-ii ⇒ Green and constricted3/16 ggI- ⇒ Yellow and inflated1/16 ggii ⇒ Yellow and constrictedPhenotypic ratio 9:3:3:1
Options
A) 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constricted ⇒ NOT CORRECT
B) 9 green-inflated : 3 green-constricted : 3 yellow-inflated : 1 yellow-constricted ⇒ CORRECT
C) 9 green-constricted : 3 green-inflated : 3 yellow-constricted : 1 yellow-inflated ⇒ NOT CORRECT
D) 9 yellow-constricted : 3 yellow-inflated : 3 green-constricted : 1 green-inflated ⇒ NOT CORRECT
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how do oxygen and carbon dioxide cross from the alveoli through the capillary walls and into the blood?
Answer:
The concentration gradient of oxygen in your lungs wants to flow toward homeostasis and oxygen is bound on red blood cells by hemoglobin, along with the attraction of oxygen to hemoglobin. The concentration gradient from carbon dioxide from the capillary to the lungs. There is more oxygen in your lungs (alveoli) than there is carbon dioxide and everything want to reach homeostasis, or level amounts on both sides.
Explanation:
the genes stc1 and stc2, which share a common ancestor, are found in both zebrafish and humans. all four stc genes display similar patterns of exon and intron sequences. based on these facts, what is the most likely explanation for the origin of stc genes?
Based on these facts, we can state that the genes of the two organisms had a eukaryotic origin.
We can arrive at this answer because:
Despite having exons, prokaryotes do not have introns in their genomes.This means that if two organisms have the same sequence of introns and exons, they have a common ancestor, in addition to having their genes originated in a eukaryotic organism, which explains the sequence of introns.This means that the genetic expression of these two organisms has similarities, even if they are organisms with different biological processes.
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Is there any specialized cells in a white rhino?
Answer:
Neurons and cartilage.
What happens in g1 phase.
Someone help please 20 points
Answer:
2neutral
hydroxide
a) hydronium
hydroxide
b) Hydroxide
hydronium
3pH
14
a) neutral
acidic
basic
b) pH
tenfold
C1) indicator
2)indicator
solution
pH
3) meter
..............BRAINLIST. ........... :)
Which biome is characterized by having four
Which of the following statements is true about chromosomes in multicellular organisms?
Choose 1 answer:
A) a chromosome contains numerous DNA molecules.
B) Chromosomes are located in both the nucleus and cytoplasm of the cell.
C) Each chromosome contains a large number of genes.
Answer:
Im not sure but c?
Answer:
The answer is c :)
How to calculate allele frequency.
Answer:
by dividing the number of times the allele of interest is observed in a population by the total number of copies of all the alleles at that particular genetic locus in the population
Can you please help me with this?
if mammalian cells receive a go-ahead signal at the g1 checkpoint, they will:
If mammalian cells receive a go-ahead signal at the G1 checkpoint, they will complete the cell cycle and divide normally.
What is the Cell Cycle?The cell cycle may be defined as the entire sequence of events happening from the end of one nuclear division to the beginning of the next nuclear division.
There are three major checkpoints in the cell cycle. One at the end of the G1 phase, the second at the end of the G2 phase, and while third is during the M phase.
Therefore, if mammalian cells receive a go-ahead signal at the G1 checkpoint, they will complete the cell cycle and divide normally.
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Which cell makes a pigment that absorbs uv light.
Answer:
Explanation:Melanin
Answer:
Explanation:
Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred into the keratinocytes via a cellular organelle called a melanosome
saliva contains relatively few microbes compared to other body sites, because __________.
Saliva contains relatively few microbes compared to other body sites, because the concentration of antimicrobial enzymes limits their growth.
a mammalian stem cell line has a doubling time of 24 hours. if you start with 350,000 of these cells, approximately how many cells would be present after 60 hours of growth?
After 60 hours of growth, there is approximately 2 million cells.
Let y represent the number of cell after x hours.
The bacteria doubles every 24 hours, also there are initially 350000 cells hence:
[tex]y=350000(2)^\frac{x}{24}[/tex]
The number of cells after 60 hours is:
[tex]y=350000(2)^\frac{x}{24}\\\\y=350000(2)^\frac{60}{24}\\\\y = 1979899[/tex]
Therefore after 60 hours of growth, there is approximately 2 million cells.
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which is not an abiotic factor that could affect a population?
Answer:
it is not the abiotic power my beautiful kind sir
Explanation:
Which of the following is a developmental issue that occurs when an infant's vertebral column does not close all the way?
Answer:
d. Spina bifida
Explanation: is correct
What is the main function of cellulose in plants? Cant pick between B and C
Are dams density-dependent or density-independent limiting factors?
Density-dependent
Density-independent
Answer:
Density-Independent
Explanation:
I hope this helped you! Let me know if you have any other questions.
Answer: Density-Independent
Explanation:
What is the largest portion of the brain?
Answer:
c. Cerebrum
Explanation: is correct
100!!! POINTS!!!!
On the map, take a close look at the boundary along southern California and Mexico’s Baja California Peninsula. The arrows on the map show the direction and speed of the plates along this boundary in millimeters per year. Based on the speed and direction of the arrows, identify the type of plate boundary at this location. Which landforms or events are likely to occur there as a result? (Hint: It may be helpful to model the motion of the plates using your hands or pieces of paper.)
Explanation:
Thus, at convertgent boundries, continental crust is created and oceanic crust is destroyed. Two plates sliding past each other forms a transform plate boundry
The area around the convergent boundries, continental crust is created then the oceanic crusts were destroyed.
What are land forms?The term land form is used to describe the physical features that describe the geography of any particular area.
Looking at the map, in the area around the convergent boundries, continental crust is created then the oceanic crusts were destroyed.
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How would you describe the
structure of the cell?
Answer:
A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of living matter and compose all living things. Now put that into your own words.
Explanation:
State the parts of the small intestine
Why do the alveoli fill with fluid.
Answer:
Your lungs contain many small, elastic air sacs called alveoli. With each breath, these air sacs take in oxygen and release carbon dioxide. Normally, this exchange of gases occurs without problems. But sometimes, the alveoli fill with fluid instead of air, preventing oxygen from being absorbed into your bloodstream.
Explanation:
Answer:
The fluid represents the outermost layer of the alveolar surface that is directly exposed to air and thus to the environment. Alveolar fluid prevents desiccation of the epithelial cells and also functions as a physical protection barrier against inhaled particles and irritants. Explanation: hope this helps
A polar covalent bond is a bond between
a. two polar molecules.
b. two atoms that share electrons unequally.
c. two atoms that share electrons equally.
d. two oppositely charged ions.
[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]
The Correct choice is ~
two atoms that share electrons unequallyPlzzzzzzbhelp meeeee plzzzzzzz
Answer:
I'm gonna bet on house
Explanation:
What are the 6 kingdoms of life? Provide an example for each.
Answer:
Archaebacteria
Archaebacteria are the most recent addition to the kingdoms of organisms. Their existence was not discovered until the 1980s. However, Archaebacteria are the oldest known living organisms. They are single-celled and thrive in extremely hot boiling water found in environments like volcanic thermal vents in the ocean and hot springs like the geysers at Yellowstone Park. Some species also live in very salty environments such as The Dead Sea and The Great Salt Lake.
Eubacteria
Eubacteria are also single-celled bacterial organisms. This kingdom makes up most of the bacteria in the world. Eubacteria are very common and well-known to us as parasites like Streptococci which causes strep throat. However, these bacteria also help produce many antibiotics, vitamins and yogurt.
Fungi
The Fungi kingdom is recognizable to us as mushrooms, molds, mildews and yeasts. Unlike the organisms in the Archaebacteria and Eubacteria kingdoms, Fungi are multi-celled organisms. Early scientists classified mushrooms and other fungi in the Plant kingdom but they do not produce their own food as plants do.
Protista
Protista or Protozoa are single-celled organisms, but are more complex than single-celled bacteria. The Protista kingdom includes algae and slime molds. Any microscopic organism that does not fall into the bacterial, fungi, plant or animal kingdoms is considered a part of the Protista kingdom.
Plants
The Plant or Plantae kingdom encompasses all flowering plants, mosses and ferns. Plants are multi-celled, complex organisms and are considered Autotrophic. This means that plants create their own food through photosynthesis. The Plant kingdom is thought to be the second largest with over 25,000 known species.
Animals
The largest kingdom of organisms is the Animal or Animalia kingdom. This kingdom is made up of complex, multi-celled organisms ranging from sea sponge colonies to elephants. All organisms in the Animal kingdom are Heterotrophs meaning, unlike plants which produce their own food, animals feed upon other organisms. The Animal kingdom is the world's largest with over one million known species.
Processes that add carbon to the atmosphere are called what
Answer:
Combustion
Explanation:
Based on this diagram label the positive and negative sides of the DNA fingerprint with a + and – sign.
Answer:
?
Explanation:
What is a DNA fingerprint?
DNA fingerprinting is a method used to identify an individual from a sample of DNA by looking at unique patterns in their DNA.
Background
Almost every cell? in our body contains our DNA?.
On average, about 99.9 per cent of the DNA between two humans is the same.
The remaining percentage is what makes us unique (unless you are an identical twin!).
Although this might sound like a small amount, it means that there are around three million base pairs? that are different between two people. These differences can be compared and used to help distinguish you from someone else.
Minisatellites are short sequences (10-60 base pairs long) of repetitive DNA that show greater variation? from one person to the next than other parts of the genome?. This variation is exhibited in the number of repeated units or ‘stutters’ in the minisatellite sequence.
The first minisatellite was discovered in 1980.
DNA fingerprinting
DNA fingerprinting was invented in 1984 by Professor Sir Alec Jeffreys after he realised you could detect variations in human DNA, in the form of these minisatellites.
DNA fingerprinting is a technique that simultaneously detects lots of minisatellites in the genome to produce a pattern unique to an individual. This is a DNA fingerprint.
The probability of having two people with the same DNA fingerprint that are not identical twins is very small.
Just like your actual fingerprint, your DNA fingerprint is something you are born with, it is unique to you.
How was the first DNA fingerprint produced?
The first step of DNA fingerprinting was to extract DNA from a sample of human material, usually blood.
Molecular ‘scissors’, called restriction enzymes?, were used to cut the DNA. This resulted in thousands of pieces of DNA with a variety of different lengths.
These pieces of DNA were then separated according to size by a process called gel electrophoresis?:
The DNA was loaded into wells at one end of a porous gel, which acted a bit like a sieve.
An electric current was applied which pulled the negatively-charged DNA through the gel.
The shorter pieces of DNA moved through the gel easiest and therefore fastest. It is more difficult for the longer pieces of DNA to move through the gel so they travelled slower.
List one other human activity that has led to positive and one other human activity that has led to negative impacts on the oceans?
positive: ecosystem organizations that go out and do things like pick up trash and save animals that were affected by trash.
negative: human waste being thrown into the ocean/humans not recycling to save the ocean
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