Answer:
d. Ziehl - Neelsen's staining
Explanation:
The mycobacteria is stained with the Ziehl - Neelsen's staining. Hence, option (d) is the correct answer.
What is the biological impact of minimum catch sizes on a population of fish?
a. The population comes to be dominated by smaller, slower-growing individuals.
b. Older, less productive adults are removed, improving the population's health.
It applies a selective pressure for larger, faster growing fish.
d. The fish in the population produce more and healthier eggs to compensate.
C.
Please select the best answer from the choices provided
Ο Α
OB
Ос
OD
Answer:
answer is A.) The population comes to be dominated by smaller, slower- growing individuals
Please help I have one more attempt. I need help labeling the upper muscles of the arm.
There are four muscles in the upper arm. These muscles are Brachialis, Biceps brachii, triceps brachii, and coracobrachialis.
What is the function of muscles in the upper arm?The upper arm has many muscles which are arranged in different compartments. The muscles in the upper arm are the muscles that connect the scapula with the thorax and are responsible for most of the movement of the scapula. The muscles that link the humerus are responsible for the movement of the arm. The muscles in the arm or the forearm move the arm, wrist, and hand.
The humerus is where the muscles that move your arm are located. The humerus is made up of the following muscles: Tricep, Biceps, Brachial, and Bicepsioradial. The 20-plus muscles that cause the majority of wrist, hand, and finger movement are located along the arm. The labeled image of the arm is attached below.
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The endogenous cholesterol synthesis by the liver that we need to function normally it can lead to
plaque formation within the blood vessels.
Оа.
False
b. True
Answer:
It should be true
Explanation:
online health class and quick double check
Name the two layers that make up the skin, and identify a function for each layer.
which neuron takes the information from the eye to the brain
Answer:
Optic nerve
Explanation:
Optic nerve: The optic nerve connects the eye to the brain. The optic nerve carries the impulses formed by the retina, the nerve layer that lines the back of the eye and senses light and creates impulses. These impulses are dispatched through the optic nerve to the brain, which interprets them as images.
The neuron that takes information from the eye to the brain is the Optic nerve
There are five (5) types of sensory information ( vision, touch, smell and taste, hearing ) passed to the brain by the different sensory organs and these information are passed via different neurons connected to the various sense organs.
The optic nerve also known as cranial nerve transmits the sensory information ( in form of electrical impulses ) associated with vision to the brain through its nerve fibers ( over 1 million of nerve fibers ) which is interpreted by the brain and passed to the body
Hence we can conclude that the neuron that takes information form the eye to the brain is the optic nerve .
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Compare and contrast the two upper layers of the mantle?
Answer:
Both the lithisphere and asthenosphere are the part of Earth and are made of similar material. Lithosphere is made up of Earth's outermost layer, the crust, and the uppermost portion of the mantle. In comparison, the asthenosphere is the uppermost portion of Earth's mantle. Which is also the middle layer of Earth.
A population of lab rats recently escaped into the sewer system of Washington, D.C. A brave researcher sampled this population and estimated the following phenotypic frequencies (which were caused by a single gene with two alleles: E and e).
61% normal eyes (EE)
26% cross-eyed (Ee)
13% blind (ee)
If this population were to reach a Hardy-Weinberg Equilibrium (HWE) in one generation, what would the phenotypic frequencies be in that new HWE generation? Let freq (e)=p and freq (e)=q. (Tip first calculate p and q from the observed, and provided, phenotypic frequencies)
freq EE =
freq Ee =
freq ee =
Answer:
freq EE = 0.55 freq Ee = 0.38 freq ee = 0.07Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
part of the eye that gives people different eye colors
Determine whether the statement is true or false, and why. "Learned behavior is present from birth, requires no thought, and is
essential to survival."
A. False, it should read, "Instinctive behavior is present from birth, is developed through observation and experience, and allows animals to adapt to
changes in the environment."
False, it should read, "Instinctive behavior is not inherited, requires no thought, and is developed through experience and observation."
C. True
False, it should read, "Learned behavior is not inherited. It is developed through observation and experience and allows animals to adapt to
changes in the environment."
Answer: It is, (False, it should read, “Learned behavior is not inherited. It is developed through observation and experience and allows animals to adapt to changes in the environment.”)
Explanation:
The statement is false, it should read, "Learned behavior is not inherited. It is developed through observation and experience and allows animals to adapt to changes in the environment."
What is learned behavior?Learned behaviors are those behaviors or characteristics that we learn from observing other people, learning and reading, and our experiences. It is the best type of characteristic of humans because learning just by observation is very efficient.
This behavior can not be inherited by another person because it is not in our genes. The behavior can be acquired by nature and the learning ability of a human, not inheritance. The genetic qualities are only inherited.
Thus, the correct option is D, false.
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All the following are ways by which animals help to sustain the carbon cycle except
A when they die, they decompose to release carbon atoms
B. feeding directly or indirectly on plants C. drinking water from streams and ponds
D. breathing
Answer:
Option(C): drinking water from streams and ponds
a If a stationary body of water has a constant temperature from top to
bottom it is most likely a(n)
a. lake
b. pond
C.ocean
d. lagoon
Answer:
The correct answer is B. Pond.
Ponds are pretty small and shallow, so the heating from the air and sun gets distributed evenly across the water.
Let me know if this helps!
A change in an organism's body is a(n)
A change in the environment is a(n)
A. instinctive, learned
B. internal stimulus, external stimulus
C. chemical signal, display
D. association, condition
Answer:
I believe is C. I might be wrong
Explanation:
¯\_(ツ)_/¯
A change in an organism's body is an internal stimulus, while a change in the environment is an external stimulus. Thus, the correct option is B.
What is the Environment?An environment may be defined as anything which is present in the surrounding of living entities through which it interacts for various purposes.
There are a lot of alterations in the body of an organism with respect to time. Apart from organisms, a lot of changes have also occurred in an environment gradually and continuously.
Changes in the organism's body are internal so it is called internal stimulus, while alterations in the environment are externally made so they are called external stimulus.
Therefore, the correct option for this question is B.
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what type of stream valley forms oxbow lakes ?
1. Youthful stream valley
2.mature stream valley
3. Old age stream valley
Answer:
I thik answer is 2 number
3. Define the following terms A) Transparent B) Translucent c) Opaque
Answer:
Transparent-->Allows all light to pass through.
Translucent-->Allows only some/partial light to pass through.
Opaque-->Allows no light to pass through.
If a car company introduces a new model car at a price that most consumers are
unwilling to pay which creates excess supply, what will happen to the price of that car?
Answer:
it's sure that car price will increase
why is repetition important in science?
Answer:
The repetition principle is important in scientific research, because the observational indexes are random variables, which require a certain amount of samples to reveal their changing regularity. ... Repetition is multiple trials, when replication is when you redo the entire experiment.
Explanation:
Explanation:
If you repeat the steps in an experiment, this gives us a better judgement and a clearer overall conclusion and results. :)
A man of A-blood group marries women of AB blood group. Which type of progeny would indicate that man is heterozygous A?
a.AB
b. O
C. A
d. B
plz give a correct answer for the question how do canine and molar differ.
Answer:
Canine teeth is conical in structure and it is used to tear meat but the molar teeth has two or three cusps and is used for grinding food
example of natural system of classifying organisms
Answer:
In natural system of classification of Organisms, homology is brought out through the study of internal and external characters. Homology is the relationship of comparable structures having been derived from a common form.
For example, the fore arm of different land vertebrates has the same pentadactyl constitution.
Explanation:
pls mark brainliest
A botanist observes within a wild population of sunflowers 34 tall plants, 12 medium-height plants, and 54 short plants. Sunflower height follows incomplete dominance, where tall (H) is dominant to short (h). We can calculate that the allele frequencies are:
Answer:
f(H) = 0.4f(h) = 0.6Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
2. Why do scientists often use thermoacidophile group of archaebacteria for research?
Archaebacteria have some unique characteristics.
Although members of kingdom Archaebacteria share many characteristics with members of kingdom Eubacteria, some of their characteristics are unique.
One such characteristic is the ability of archaea to live in extreme conditions.
What is Thermoacidophile archaebacteria?Thermoacidophile archaebacteria are a type of archaea that thrive in extremely hot and strong acidic (with low PH) environments. Thermoacidophile archaebacteria can be found in harsh environments such as in geothermal area, in the deep ocean vents and hot springs. Most of the
Thermoacidophile archaebacteria are chemotrophs (converts chemicals to food). They use sulfur as their energy source. They absorb the sulfur gas that is being released in their environment and reduce it to hydrogen sulphide, fixing it into an energy source.
Thus, this could be the answer.
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Which is not a water quality monitoring parameter ?
1. Habitat
2. Turbidity
3.salinity
4. Ph level
Why is the frequency of natural disasters increasing?
1. There are less natural hazards occurring
2. Human population in areas prone to natural hazards has increased
3 . Deaths from natural disasters has decreased in developed countries and increased in developing countries.
Human population in areas prone to natural hazards has increased
1.If you could only eat one meal for the rest of your life, what would it be?
2. How are you finding the topic DNA and cell division
explain how the tissue of the esophagus and tissue of the trachea can be differentiate
Answer:
Trachea: It is the wind pipe — making it a part of the respiratory system
Esophagus: It is the food pipe — making it a part of the digestive system
Trachea: It is shorter, 10–11 centimeters. It connects upper airway to the lungs
Esophagus: It is longer, 25 centimeters. It connects mouth to the stomach
Trachea: It is cartilaginous, made of C-shaped semicircular cartilages. They give it structural stability and prevents it from collapsing
Esophagus: It is muscular. It contracts in a wave-like motion through it’s length to propel food from mouth to stomach a.k.a swallowing
Trachea: It’s opening is protected by Epiglottis, a flap like structure, to prevent food from accidental entering the air passage. It prevents choking
Esophagus: It’s opening is protected by two sphincters. They are muscular rings that constrict to close the esophagus off when food is not being swallowed.
Trachea: It has 2 portions — cervical and thoracic i.e. neck and chest portions.
Esophagus: It has 3 portions — cervical, thoracic and abdominal i.e. neck, chest and stomach portions.
What is the process of
evaporation?
A. The process in which plants release vapor into
the atmosphere
B. Any process that returns water from the
atmosphere to the earth
C. The process in which liquid water turns to
water vapor
All of the following are true of spermatogenesis EXCEPT: Question 18 options: DNA replicates once, but cells divide twice. The products are spermatozoa that each have a head, midpiece and tail. Spermatids containing 23 chromosomes (1n) are produced. One spermatogonium produces 4 spermatids Genetically diverse spermatids are created.
Answer:
One spermatogonium produces 4 spermatids FALSE. One primary spermatocyte produces 4 spermatids.Explanation:
Germ cells are diploid reproductive cells in charge of gamete production. Germ cells divide by mitosis and meiosis. Through mitosis, they originate more sexual cells, but through meiosis, they produce gametes -sperm and egg cells-. This process is known as gametogenesis.
Gametes´destiny is to merge during fecundation, and a new diploid cell called zygote emerges through fertilization. The zygote is a complete cell and suffers successive mitosis to form the new organism.
Spermatogenesis is the process of production and maturation of sperm cells. Spermatogonia are the masculine diploid germ cells, carrying 46 chromosomes. These germ cells suffer mitosis to reproduce. Some of them stay as spermatogonia, and some others become primary spermatocytes, which are in charge of gamete production. Primary spermatocytes are also diploid cells, meaning that they still carry 46 chromosomes.
Each primary spermatocyte replicates its genetic material and then goes through meiosis I to produce two daughter haploid cells called secondary spermatocytes, each of them carrying 23 chromosomes. Each secondary spermatocyte will produce two other haploid daughter cells by meiosis II.
The total result from the two cellular divisions of each primary spermatocyte is four haploid daughter cells called spermatids.
During spermiogenesis, spermatids mature into spermatozoa or sperm cells. Each sperm cell characterizes by being composed of a head, midpiece, and tail.
DNA replicates once, but cells divide twice TRUE The products are spermatozoa that each have a head, midpiece, and tail TRUE Spermatids containing 23 chromosomes (1n) are produced TRUE One spermatogonium produces 4 spermatids FALSE. One primary spermatocyte produces 4 spermatids.Genetically diverse spermatids are created TRUELong strands of genetic information are stored in ________. A. Enzymes B. Adenine C. Chromosomes D. Mutations
The genetic information is the encoded proteins passed through hereditary. The genetic information is stored in the chromosomes of the cel. Thus, option C is correct.
What are chromosomes?Chromosomes are the hereditary unit of an organism that passes from the parent cell through cell division and reproduction to the daughter cells.
The chromosomes comprise chromatin that is made of the proteins and DNA molecules wrapped around the histones to form a dense and compact structure.
They look like long threads that are present inside the cell's nucleus and code for specific information that gives the genotype and phenotype of an organism. It gets copied during the cell cycle.
Therefore, option C. chromosomes store the genetic information.
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If a cell membrane were completely permeable to all substances, could the cell continue to live? Explain your answer in depth.
Which plant activities are directed by hormones? (select all that apply)
a. sunflowers following the sun to face it as it moves across the sky
b. leaves of deciduous trees changing colors in the fall
c. a green tomato turning red
d. a growing vine wrapping around a fence post
Answer:
All of the activities are directed by plant hormone
Answer:
it is all of them
Explanation:
Trust me I got 75% instead of 100 because i didnt chose all of them
