what are the choices? 0-0
a) Exploin neurulation
Answer:
Explanation:
Neurulation is a process in which the neural plate bends up and later fuses to form the hollow tube .which eventually differentiate into the brain and the spinal cord of the central nervous system.
6. New experimental data does not support a currently accepted hypothesis. Which
course of action should the researcher take?
A) Do the experiment again.
B) Change the data to fit the hypothesis.
C) Form a new hypothesis and plan a new experiment
D) Change the procedure to obtain the desired outcome.
5. An organism with the same appearance as their surrounding will pass on their genes,
while organisms that don't die off
A. Natural Selection
B. Sexual Selection
C. Camouflage
D. Overproduction
Answer:
A. Natural Selection
Explanation:
Which of the following is not true about innate behavior? *
it is an inherited behavior
it does not change through generations
it is an instinct behavior
it is based on stored memory information
Explanation:
Innate behavior is an instinctive behavior you are born with. Example; Infants cry to let caregiver know they need food, water, love etc.
The answer is instinct behavior.
Instinct behaviour is not true about innate behavior.
Innate behavior is a type of behavior that are controlled by genes or are genetically controlled without any form of environmental experience.
It is a behavior.
Examples include cry of babies and so on
Instinct behaviour is behavior that can be controlled base on experience.
Therefore, instinct behavior is not true about innate behavior.
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Which of the following is not true about innate behavior? *
hy help me do this fast plzz
bonus points
If a lock and key fit perfectly together and then one day the key melts and then it is now more droopy and no longer can fit into the lock, then that key wont work for the lock anymore. It's the same as if an enzyme breaks down a bit and now the shape doesn't fit perfectly, the enzyme doesn't work anymore
What is air pollution and state the effect of air pollution
Answer: Air pollution is a substance in the atmosphere that is harmful to living beings and can cause damage to the climate.
some effects of air pollution is lung cancer, respiratory disease. Air pollution can also cause long term nerve, brain and kidney damage.
If T= tall plant allele and t= short plant allele what would be the phenotype of a plant that has both alleles in its genotype (Tt)?
A Tall, short
B Short
C Medium
D Tall
Answer:
Explanation:
It's a! Hope that helps :)
Choose one of the bubbles state whether you think we should develop this technology, and explain your reasoning
Answer:
The green buble
Explanation:
Antibiotics are added to the animal feed or drinking water of cattle, hogs, poultry and other food-producing animals to help them gain weight faster or use less food to gain weight.
Because all uses of antimicrobial drugs, animals contribute to the development of antimicrobial resistance, it is important to use these drugs only when medically necessary.
the production (e.g. growth enhancement) purposes as well as for the treatment, control or prevention of animal diseases. Even today, it is not entirely understood how these drugs make animals grow faster. The drugs are primarily added to feed, although they are sometimes added to the animals’ drinking water.
pls help i dont get it
Why would a normally aquatic or marine species adapt to the supralittoral fringe where they have to deal with desiccation and temperature stress?
Answer:
In order to survive.
Explanation:
A normally aquatic species adapt to the supralittoral fringe in order to survive in that environment. Supralittoral zone also referred to the area on coastlines and estuaries, that is regularly splashed, but not submerged by ocean water. This environment is different for the marine organisms that causes adverse effect on the marine organisms but these marine animals has the ability to adapt that environment by using certain mechanism in order to survive and easily reproduce in that environment.
Mitosis and meiosis are cell division mechanisms that lead to different numbers of daughter cells. Which explanation best describes how these two processes maintain continuity?
meiosis :cell division that produces reproductive cells in sexually reproducing organisms
mitosis:cell division in which nucleus divides into nuclei containing the same number of chromosomes
meiosis nucleus divides twice and produces 4 daughter cells which are not genetically the same
mitosis necleus divides ones and produces two daughter cells which are genetically the same
Interaction between multiple, individual polypeptide chains to form a complex is ______ structure
Answer:
alternative structure
how does the simple cuboidal epithelium do its function
Answer:
Diagram of simple cuboidal epithelium. By lining the surface of various ducts of various glands and organs, simple cuboidal cells are able to provide a layer of protection from abrasion, foreign particles, invading bacteria and excessive water loss (due to its selective permeability) to the underlying tissue.
Explanation:
Answer:
Simple cuboidal epithelium consists of a single layer cells that are as tall as they are wide. The important functions of the simple cuboidal epithelium are secretion and absorption. This epithelial type is found in the small collecting ducts of the kidneys, pancreas, and salivary glands.
Nerve cells do not replicate their DNA after reaching maturity. A cell biologist observed that there was x amount of DNA in a human nerve cell. In four other types of human cells, labeled A-D, she measured the following amounts of DNA:
cell A, 2x; cell B, 1.6x; cell C, 0.5x; cell D, x
Match the four cell types with the following choices: (1) sperm cell; (2) bone cell just beginning interphase; (3) skin cell in the S phase; (4) intestinal cell beginning mitosis. (Hint: review the phases of the cell cycle and mitosis in chapter 12 if needed!).
Cell Types, Amount of DNA - Specific Cell
cell A, 2x:
cell B, 1.5x:
cell C, 0.5x:
cell D, x:
Answer:
Cell A= Intestinal cell begining mitosis
Cell B= Skin cell in S phases
Cell C= sperm cell
Cell D= bone cell just beginning interphase
PLEASE HELP ASAP
Which of these is an example of a population in a desert ecosystem?
A. a saguaro cactus
B. the amount of rainfall
C. a fennec fox and it's young
D. hawks and the lizards they feed on
Answer:
A
Explanation:
because cactus are in the desert
easy 5th grade science please look at photo and answer!! giving brainliest
Answer:
What happens after water particles returns to the ocean is that it'll evaporate over the island, and precipitation happens :3
Explanation:
:3
Modifications to chromatin can affect transcriptional activity by changing the accessibility of DNA to the transcription machinery. The given descriptions are examples of various processes that may or may not cause remodeling of chromatin. Match each description to the effect it has on transcriptional activity caused by chromatin remodeling. a. Activates b. Inactivates c. Activates and inactivates d. No effect1. Histone methylation occurs at different amino acids2. A transcriptional binds an enhancer sequence3. Histone acetyltransferase attach acetyl groups to the N-terminus of histones.4. Histone deacetylases remove acetyl groups from the N-terminus of histones
Answer:
1. Histone methylation occurs at different amino acids: c. Activates and inactivates
2. A transcriptional binds an enhancer sequence: d. No effect
3. Histone acetyltransferase attach acetyl groups to the N-terminus of histones: a. Activates
4. Histone deacetylases remove acetyl groups from the N-terminus of histones: b. Inactivates
Explanation:
Epigenetics refers to the mechanisms associated with changes in gene expression which do no involve alteration in DNA sequence. Epigenetic marks include DNA methylation and histone modifications (acetylation, methylation, phosphorylation, etc). These mechanisms act together in order to regulate gene expression at specific genomic sites (loci). Histone methylation is an epigenetic mark involved both in transcriptional repression and transcriptional activation. For example, trimethylation of the histone H3 at lysine 4 (H3K4me3) has been associated with transcriptional activation, while dimethylation of histone H3 at lysine 9 (H3K9me2) is often involved in transcriptional repression. Moreover, histone acetylation by histone acetyltransferases (HATs) is an epigenetic mark that is involved in transcriptional activation and chromatin decondensation, while histone deacetylation by deacetylases (HDACs ) is generally associated with gene repression. However, it is important to highlight that there are exceptions to this rule (for example, acetylation of the histone H4 lysine 20 is associated with gene repression). Finally, transcriptional activators are proteins that bind to enhancers in order to recruit coactivator proteins/complexes and thus activate transcription.
Which of the following traits are derived in primates, not ancestral? Mark all that apply.
-forward- facing eyes
-opposable toes
-mammary glands
-one offspring at a time
Part B
What are the weaknesses or inaccuracies in the
model the student created?
Answer:
The model doesn’t clearly show that gas exchange happens in the alveoli through the capillaries. The model can also be easily misinterpreted. Because the model doesn’t show where this gas exchange is taking place, it looks like the blood picks up oxygen, delivers it to the body, and then comes back and expels the carbon dioxide it collects. Clarifying that this gas exchange is taking place in the capillaries would eliminate this confusion.
Explanation:
straight off of edmentum
hope this helps:)
The model doesn’t clearly show that gas exchange happens in the alveoli through the. The model can also be easily misinterpreted. Because the model doesn’t show where this gas exchange is taking place, it looks like the blood picks up oxygen, delivers it to the body, and then comes back and expels the carbon dioxide it collects. Clarifying that this gas exchange is taking place in the capillaries would eliminate this confusion.
What are blood vessels?Blood vessels are channels that carry blood throughout your body. They form a closed loop, like a circuit, that begins and ends at your heart. Together, the heart vessels and blood vessels form your circulatory system. Your body contains about 60,000 miles of blood vessels.
There are three types of blood vessels:Arteries carry blood away from your heart.Veins carry blood back toward your heart.Capillaries, the smallest blood vessels, connect arteries and veins.
Learn more about blood vessels
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biological term for the germ layer that gives rise to the nervous system
Which of these would be a model of diffusion?
A. a student passes through a revolving door
B. two students pass by each other in a hallway
C. two students bump into each other in a crowded subway car
D. many students pass from a crowded room into an empty hallway
Diffusion can be described as the movement of molecules from a region of higher concentration to a region of lower concentration.
A model of diffusion could be many students pass from a crowded room into an empty hallway (option D).
A model is used to describe/illustrate a particular event or situation. In this case, the crowded room is the region of higher concentration. And the empty hallway is the region of lower concentration. The molecules refer to the students. And their movement from the crowded room to the empty hallway refers to diffusion.Learn more about diffusion: https://brainly.com/question/2135861
Importance and applications of biosystematics in biology?
the role of enzymes in seed germination
Answer:
yes!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What would happen to the living things in the pond if you increase the concentration of salt?
Answer:
they would perish
Explanation:
How are organs arranged into organ systems? Give four examples of organ systems.
organs in each organ system all work together to perform a particular task.
the organs are arranged into 11 organs systems but 4 for example are the skeletal system, respiratory system, digestive system and nervous system.
hope this helps!!!
The organs are systematically arranged into organ systems in order to perform a specific task. They work on the principle of teamwork whose task is equally distributed among the various organs in order to synthesize an organ system.
What is an Organ system?An organ system may be defined as a biological system comprising a cluster of organs that significantly work together in order to perform one or more specific functions.
The four examples of the organ system are as follows:
The Respiratory system: It is a biological system that comprises specific organs and structures utilized for the process of gas exchange in animals and plants.The Circulatory system: It is also a biological system that deals with the flow of blood, oxygen, and nutrients to each and every cell of the organism. The Excretory system: This biological system includes all those organs like kidneys, nephrons, etc., and deals with the elimination of waste materials from the body in the form of feces, or urine. The nervous system: It is a complex network of neurons and cells that carry messages to and from the brain and spinal cord to various parts of the body.Therefore, it is well described above.
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help plz..............
Answer:
Should be 50% tell me if Im right
how much is 14 pennies?
Answer:
14 cent
Hope this helps :)
Answer:
14 cents
Explanation:
$0.14
The sun create what kind of light
1. White light
2. Bright light
3. Colored light
4. Empty light
Only 1 answer someone help!!
Answer: Colored light
Explanation: Sunlight is emitted from the Sun's photosphere. A fraction of the light that travels from the Sun reaches Earth. It travels as light in a range of wavelengths, including visible light, ultraviolet, and infrared radiation. Visible light is all the light we can see with our eyes.
differentiate between a university and a TVET college in terms of what each offers and explain the stigma associatited with TVET colleges?
Explanation:
A TVET qualification is easier to achieve and at a lower price also focused on getting you into the workforce faster. University is geared towards the transfer of knowledge rather than skills.
the stigma associated with TVET colleges are that those who go to the college is a failure. or a institute for those who aren't smart enough. And also for those who failed to get into university
The difference between a university and a TVET college in terms of what each offers is university impact knowledge while TVET college is more of practical.
University and TVET collegeThe difference is University provide students with the knowledge they need based on the course they are studying while TVET colleges is more of practical.
The stigma associated with TVET colleges is because people think that University student has higher opportunities when they are in the labor market than TVET colleges student.
Inconclusion the difference between a university and a TVET college in terms of what each offers is university impact knowledge while TVET college is more of practical.
Learn more about University and TVET college here:brainly.com/question/26696444
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CAN SOMEONE PLEASE HELP ME WITH THIS SCIENCE QUESTION I WILL MARK YOU BRAINLIEST THANK YOU !!!
Answer:
C. Non-depletable
Explanation:
Answer is C. because it is replaced often and cannot be completely used up
