Answer:
Root hair cells (black arrow pointing at one of the root hair cells) are single tubular root cells. Their distinctive lateral elongation increases the surface of exchange between the plant's root system and the soil. The main function of root hairs is the uptake of water and nutrients from the rhizosphere.
what type of gas is released in landfills
Please choose the answer that best completes the blanks of this sentence in the correct order. The ______ plate method involves spreading an inoculum onto the surface of a plate in a pattern that results in isolated colonies in some areas of the plate after incubation, whereas the ______ plate method involves diluting an inoculum into several melted agar tubes and then adding their contents into plates for solidification and incubation.
Answer:
streak, pour
Explanation:
The streak method is the most popular technique used to isolate specific bacteria from a sample containing different microorganisms. In this technique, a sterile loop is employed to obtain an uncontaminated microbial culture. Colony picking refers to the process where colonies of pure bacteria are selected in order to duplicate them by transferring them into new agar plates. Moreover, the pour plate method is the most popular technique employed to count the number of colony-forming bacteria (i.e., bacteria/ml) in a specimen. The pour plate method consists of dropping the sample on a sterile plate and subsequently molten-cooled agar is then poured into the plate and mixed well with the inoculum.
Answer:
streak, pour
Explanation:
The streak plate method involves spreading an inoculum onto the surface of a plate in a pattern that results in isolated colonies in some areas of the plate after incubation, whereas the pour plate method involves diluting an inoculum into several melted agar tubes and then adding their contents into plates for solidification and incubation.
L 4.5.2 Test (CST): Computer-Scored Unit Test
Question 20 of 25
What is a fixed allele?
A. An allele that is found on many genes
B. An allele present in all members of a population
Ο Ο
C. An allele that formed by adaptive radiation
O D. An allele that mutates with each generation
SUBMIT
PLEASE HELP
Answer:
The correct answer is - B. An allele present in all members of a population.
Explanation:
A homzygous variant or allele for all the members of a particular gene is a fixed gene and is the only variant that presents in all the population for that gene.
It takes place when there is all other alleles become extinct and only one remains. The allele frequency of this allele is always 1.00 in the population which means only one allele is present on the locus.
PLZ HELP!!!!!!!!!!!!!!!!!!!
What are the vertebrae right under the skull referred to as?
lumbar vertebrae
cervical vertebrae
sacrum
thoracic vertebrae
Answer:
thoracic vertebrae
Explanation:
I hope I'm right
Three genes (A, B, and C) are located on different chromosomes. In a cross between
AaBCC and AabbCc (P generation) what would be the probability of seeing an
offspring with the genotype AAbbCc in the Fı generation (assuming no linkage)?
Answer:
b, a, c
Explanation:
Since recombination frequency is directly proportional to the distance between genes, the values are used to locate genes on a chromosome. Here three genes a, b and c can assume any of three linear sequences: a-b-c or a-c-b or b-a-c, which depends on the gene present in the middle. Here, recombination frequency for a and b (X) = 20%, that for a and c (Y) = 8% and for b and c (Z) =28%. As we can see that Z = X + Y or 28 = 20+8 which means that genes b and c are present at extremes and a is in the middle. Thus, the sequence of genes is b-a-c.
If mitosis divides a cell with 100 chromosomes, how many chromosomes will the new cell have?
Inertia is the tendency of an object to resist a change in motion.
A. 1st Law
B. 2nd Law
C. 3rd Law
(will mark brainliest if you answer 6,7,&8 pls)
Answer:
6) Inertia is 1 Law
7) Acceleration is 2 Law
8) Should be acceleration too, 2 Law
Hope This Helps!
#[tex]AnimePower[/tex]
Explanation:
6:
Answer: Newton's first law of motion,
Explanation: Inertia is the tendency of an object to resist a change it its motion. Describe how inertia affects motion. If an object is already at rest, inertia will keep it at rest. If the object is already moving, inertia will keep it moving.
7:
Answer: The second law
Explanation: The second law shows that if you exert the same force on two objects of different mass, you will get different accelerations (changes in motion). The effect (acceleration) on the smaller mass will be greater (more noticeable).
8.
Answer: Newton's Second Law
Explanation: The second law of motion explains the relationship between force, mass, and acceleration. The law states that the acceleration of an object depends on the mass of the object and the amount of force applied. Newton's second law of motion is also called the law of force and acceleration.
Label the ways that water and nutrients get into a plant
PLEASE HELP
Answer:
mediante la absorción, por la raíz
Explanation:
answer this genotype question please!!!
Answer:
YY
Explanation:
It's co-dominate, meaning both traits show, but don't blend (Ex: Red + White = Red With White Stripes) (Ex: Blue + Red = Red With Blue Spots)
Answer:
YY
Explanation:
It is YY because these genes do not blend together with other genes.
Mark as Brainliest
Can any one help plzzzz :(
both have visible nuclei.
mark me brainloest pls :))
What stage of mitosis is depicted by the image above?
O metaphase
O cytokinesis
O telophase
O prophase
O anaphase
Answer:
Telophase 1 because of the constriction
Explanation:
The cell membrane constricts and divides the cytoplasm in half to form two cells
Which action would NOT be controlled by the somatic nervous system?
A Nodding your head
B. Sneezing
C. Petting a dog
D. Jumping over a puddle
Answer:
B. Sneezing
Explanation:
There are two types of nervous systems namely: somatic nervous system and autonomic nervous system. The somatic nervous system is that nervous system that controls the voluntary movement of muscles while the autonomic nervous system controls involuntary actions.
According to this question, nodding ones head, petting a dog and jumping over a puddle are all examples of voluntary movements, hence, are controlled by the somatic nervous system whereas, sneezing is an involuntary action controlled by the autonomic nervous system.
Sneezing because i was sneezing a lot and yea
How do scientists think Prokaryotic Cells contributed to changing Earth’s atmosphere to include more oxygen?
Explanation:
Then, about 2.5 billion years ago, oxygen started getting added to the atmosphere by photosynthetic cyanobacteria. “Oxygen is produced as a waste product of photosynthesis. ... “The production and burial of plant matter over long periods causes oxygen levels to rise,” explains Poulsen
Explain how the human immune system defends your body against pathogens.
Search for this question
Link:
WWW.SCIENCESOLVING.COM
Answer:
When antibodies attach to an antigen (think a lock–key configuration), it signals other parts of the immune system to attack and destroy the invaders. This is how the human body develops immunity (acquired) to a particular disease. But some germs and viruses are very adaptive.
Explanation:
.
The increasing trend of sexual assault and violence strongly influences the growth of the number of nurses involved in both forensic and nursing, called forensic nurses.
Answer:
True
Explanation:
Health and justice are two main powerful systems that influence the growth of the number of forensic nurses.
What is a forensic nurse?
Forensic nurses are the registered and the advanced practice nurses which have specific training and education.They provide care to the patients that suffered from prolonged acute health consequences from brutality and abuse.
They are not separate from other medical caretakers, but they are integrated into the overall care needs of individual patients.
Healthcare professionals like forensic nurses is challenged the outcomes of the physical assaults and the violence. Victims of the brutality give the primary outcomes of violence like injury.
Forensic nurses collect the evidence and give testimony that can be used in court, so that the victim get justice and punishment is given to that one who commits the brutality.
Learn more about forensic nurses here:
https://brainly.com/question/14698817?referrer=searchResults
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which one of the following did not constitute the seven contrasting pairs studied by mendel in pea plant?
A.shape of the leaves
B.height of the plants
C.colour of the flower
D.position of the flower
Answer:
A. Shape of the leaves
Explanation:
Mendel chose seven characters of the pea plant to study.
They are:
1. Flower colour
2. Flower position
3. Stem length
4. Pod shape
5. Pod colour
6. Seed shape
7. Seed colour
Shape of leaves was not observed by Mendel.
PLEASE HELP ILL GIVE BRAINLIST
Answer:
Question 2: red and blue
Question 3: ultraviolet and infrared light
Which class of point mutation produces a product with the same amino acid sequence as the wild-type polypeptide?
Answer:
The correct answer is - silent.
Explanation:
Silent mutation is a point mutation that takes place by a single change in a single base nucleotide of nucleic acid and it may or may not change the aminoacid sequence as the wild type protein.
This does not result in any phenotypic or functional change in the protein of the organism. It is a class of point mutation. This change can be substitution in base.
what is transcribe and translate that DNA strand A G C A T C G C A T C G
Lydia wants to see if adding fertilizer to soil will help produce larger basil plants.
Which of the following would be considered the dependent variable in her
experiment?
Fertilizer
Amount of sunlight
Plant growth
Amount of water
Answer:
The dependant variable would be the fertilizer
Explanation:
The dependant variable is what the new or tested variable is.
The chemical and energy of these plants all started with what energy source
What height in meters must the student climb in order to reach the top of the hill?
Answer:
253 m
Explanation:
The height in meters must the student climb in order to reach the top of the hill is 253 meters. The correct option is B.
What is the height?Height is a measurement of vertical distance, or vertical extent (how “tall” something or someone is) (how “high” a point is).
Climbing is the activity of ascending a steep topographical object with one's hands, feet, or any other part of the body, which can range from the world's tallest mountains (e.g., the eight-thousanders) to little stones.
The image of a mountain is given which is climbed by a person. There are different heights of the mountain is given. The height that is a must-climb by the student to reach at the top is 253 meters.
Therefore, the correct option is B. 253 m is the height of the mountain to reach the top.
To learn more about height, refer to the link:
https://brainly.com/question/10726356
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The question is incomplete. Your most probably complete question is given below:
245 m
253 m
236 m
260 m
How can I make my period cramps go away? I dont like tea but i heard soda helps ??! or if anyone has any suggestions
Which is in order from smallest to largest?
a. cell, organ, tissue, organ system, organism
b. cell, tissue, organ, organ system, organism
c. cell, tissue, organ, organ system, organism
d. cell, tissue, organism, organ, organ system
Answer:
B or C??
Explanation:
It's not D because organism is the largest. It's not A because an organ is larger than a tissue. A Tissue is a group of cells.
B and C are the exact same
How do you anticipate humans changing over time?
Answer:
the changes apparent in worldwide populations include a decrease in both overall body size and brain size as well as a reduction in jaw and tooth proportions.
Explanation:
Oxygen atoms are different from the atoms of every other elements (true or false)
false I think, but I don't know for sure
Answer:
True
am not sure but my explanation:
An oxygen atom possesses 8 protons, 8 massive, positively charged nuclear particles. There are also 8 massive, neutrally charged nuclear particles, 8 neutrons in the common isotope, 16O. And orbiting the nuclear core, there are 8 electrons, fundamental particles with negligible mass that each possess a formal negative charge.
Any atom with 8 protons is automatically an oxygen atom by defintion. 7 protons specifies a nitrogen atom; 9 protons specifies a fluorine atom. Of course, oxygen generally takes the form of the dioxygen molecule, O2. The number of protons gives Z, the atomic number, which is different for each element.
Can someone help me please I don’t know how to do this and I have to hand it in ASAP!! :(
Looking at North America, which of the layers formed most recently? Explain your reasoning.
Urgent, please!!
Answer:
Sedimentary rocks are deposited one on top of another. Therefore, the youngest layers are found at the top, and the oldest layers are found at the bottom of the sequence.
Answer:
G
Explanation:
Because this is the latest layer formed. On the other hand, you can see that A has formed its layer thousands and thousands of years ago.
Hope this helps!
P.S plz mark me as barinliest, thanks <3
how can you differentiate between littoral zone and limnetic zone in a pond ecosystem ?
Explanation:
The limnetic zone is the open and well-lit area of a freestanding body of freshwater, such as a lake or pond. Not included in this area is the littoral zone, which is the shallow, near-shore area of the water body.
This image shows the body being sectioned along what plane?
the answer choices. I know it is not midline
Frontal
Midline
Sagittal
Transverse
Answer:
Transverse
Explanation:
Answer: Frontal
Explanation: