Answer:
carbon dioxide
Explanation:
Describe the origin and fiber composition of (1) ventral and dorsal roots, (2) the spinal nerve proper, and (3) ventral and dorsal rami.
Answer:
A dorsal root (sensory or afferent) and a ventral root (motor or efferent) originate from the medulla. They unite near the intervertebral foramen, forming the spinal nerve. The nerves emerge from the intervertebral foramen, dividing into ventral and dorsal ramus.
Explanation:
The nerve is a set of nerve fibers perceptible to the naked eye and wrapped in connective tissue. They are made up of roots, trunks and nerve branches (some of them come together and form plexuses).The spinal nerve originate from the spinal cord in the form of 31 pairs: 8 cervical, 12 thoracic, 5 lumbar, 5 sacral and 1 coccygeal. They emerge from the spinal cord through two roots: dorsal roots, made up of sensory fibers that come from the sensory neurons of the spinal ganglion and that penetrate the spinal cord through the posterolateral and ventral root, made up of motor fibers, coming from the motor neurons of the anterior horn and visceral of the lateral horn of the gray matter of the spinal cord. This root exits the spinal cord through the anterolateral groove, then joins the posterior root to form the spinal nerve, which exits the vertebral canal through the corresponding intervertebral foramen.Each spinal nerve, after leaving the vertebral canal, emits two primary ramus: the dorsal ramus, contains somatic and visceral fibers that go to the skin and muscles of the back and the ventral ramus, which supplies the ventrolateral surface of the skin, body wall and extremities.
What are some examples of unicellular organisms
Answer:
ameoba,algae,protozoa and bacteria
Explanation:
these organisms are single cell organisms
Answer:
Paramecium, euglena, amoeba, chlamydomonas
Explanation:
Unicellular organisms are those organisms whose bodies are made up of single cells only. In other words, their body is made up of the simplest functional unit of living organisms according to the cell theory - the cell. Within the single cell are organelles with specific functions that constitute the basic characteristics of living things.
Examples of unicellular organisms include paramecium, euglena, amoeba, chlamydomonas, etc.
What term describes organisms of the same species inhabiting a particular region?
a
biosphere
b
ecosystem
c
population
d
environment
Answer:
c. population
Explanation:
biosphere includes different species and a broad ecosystem
ecosystem is different species
environment refers to a just the type of ecosystem such as aquatic environment
PLZ I NEED HELP!!!!!!!
Choose a Genetic Disorder from the list provided. Create a PowerPoint that includes ALL the information obtained from your research (questions). Please use rubric provided as a checklist to meet all requirements.
Hello there!
Albinism is a rare group of genetic disorders that cause the skin, hair, or eyes to have little or no color. Albinism is also associated with vision problems. According to the National Organization for Albinism and Hypopigmentation, about 1 in 18,000 to 20,000 people in the United States have a form of albinism. A group of inherited disorders characterized by little or no melanin production.
This condition increases the risk of skin cancer.
Most people with albinism have pale skin, eye conditions, and are sensitive to the sun.
No cure exists, but skin can be protected and eye conditions can be treated.
mostly men have it
Meiosis occurs in a series of different phases and creates genetically unique reproductive cells.
Which process helps make meiotic cells genetically different and occurs during prophase I, but not during prophase II?
fertilization
independent assortment
crossing over
chromosome replication
Answer:
Meiosis occurs in a series of different phases and creates genetically unique reproductive cells. The process which helps make meiotic cells genetically different and occurs during prophase I, but not during prophase II, is crossing over (C). Crossing over is the exchange of genetic material between two homogenous chromosomes. It is one of the final phases of prophase I. This process is called synapsis. It occurs when the matching regions on the matching chromosomes break and then reconnect to the other chromosome .
The process that helps to make meiotic cells genetically different and occurs during prophase I is called crossing over.
Crossing over, also known as recombination, is the interchange of genetic material between non-sister chromatids of homologous chromosomes.This process (crossing over) occurs in Meiosis I, specifically during Prophase I.Crossing over during Prophase I and the independent assortment of homologous chromosomes during Metaphase I represent meiotic processes that help to increase genetic variation in gamete (sex) cells.In conclusion, the process that helps to make meiotic cells genetically different and occurs during prophase I is called crossing over.
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Can cells that are haploid (single set of chromosomes) undergo meiosis?
1. Yes, haploid cells have a single set of chromosomes that can be altered.
2. No, haploid cells have only one set of chromosomes that cannot be reduced.
3. No, haploid cells have only one set of chromosomes that can be multiplied.
4.Yes, haploid cells have a single set of chromosomes that can be transferred.
Answer:
Haploid cells cannot undergo meiosis because haploid cells have only one set of chromosomes that cannot be reduced (option 2).
Explanation:
Meiosis is the process of reductional cell division in which, from a diploid cell, four haploid cells —called gametes— are obtained.
The process of meiosis comprises two successive divisions, meisosis I and II, with the result explained above.
The haploid cells are the final result of the complete meiosis process, necessary for procreation in species with sexual reproduction, and cannot undergo a process of reductive division.
No, haploid cells cannot undergo meiosis because meiosis is the process of cell division that produces haploid cells from diploid cells.
Meiosis is a specialized form of cell division that occurs in sexually reproducing organisms to produce gametes (sex cells) with half the number of chromosomes as the parent cell. It involves two rounds of division, known as meiosis I and meiosis II, resulting in the formation of four genetically unique haploid cells.
Haploid cells contain only one set of chromosomes, while diploid cells contain two sets. In meiosis, diploid cells undergo recombination and reduction division to produce haploid cells. During meiosis I, homologous chromosomes pair up, exchange genetic material through crossing over, and separate, resulting in two haploid cells with mixed genetic information. In meiosis II, the sister chromatids of each chromosome separate, leading to the formation of four haploid cells.
Haploid cells, once formed through meiosis, cannot undergo further meiosis because they already possess the reduced number of chromosomes characteristic of gametes. Instead, haploid cells participate in the process of fertilization, where they combine with another haploid cell to form a diploid zygote, which will then undergo mitosis to develop into a multicellular organism.
Therefore, option 2 is the correct answer: No, haploid cells have only one set of chromosomes that cannot be reduced.
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Explain why AUTOTROPHS have to go through photosynthesis AND also cellular respiration.
Answer:
They get energy from food.
Explanation:
They get energy from food. Autotrophs make their own food. ... Many autotrophs make food through the process of photosynthesis, in which light energy from the sun is changed to chemical energy that is stored in glucose. All organisms use cellular respiration to break down glucose, release its energy, and make ATP.
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What occurs during the first stage of protein synthesis
1. The dna unzips, and rna bases match up along a strand.
2. Messenger rna moves out of the cell nucleus
3.transfer rna carries a specific amino acid to the ribosome.
4. Messenger rna attaches to a ribosome
Answer:
The correct answer is - 1. The DNA unzips, and RNA bases match up along a strand.
Explanation:
The first stage of protein synthesis is transcription, which is the process that copies DNA sequences in a complementary sequence into the new mRNA molecule. In this stage, DNA molecule unwinds and unzip, and RNA molecule bind at a strand and elongate by adding new complementary bases with the help of RNA polymerase enzyme. Once the elongation of the RNA molecule ends the termination takes place and a new mRNA molecule that stores information to synthesis amino acid chin is produced successfully.
Thus, the correct answer is - 1. The DNA unzips, and RNA bases match up along a strand.
What characteristic of water causes water to stick to the side of a test tube?
I need a claim, evidence, and reasoning ! will give brainlist
Answer:
The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity (Claim).
Explanation:
Water (H₂O) is a polar molecule with the ability to generate van der Waals forces, which is explained by the 4 hydrogen bonds it forms to bind to other substances. The consequence of the forces of the molecular bonds are four properties of H₂O, including surface tension, cohesion, adhesion and capillarity.
- Claim: The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity.
- Evidence: Cohesion and adhesion of water are properties that come from the forces of the molecular bonds of water, and whose effect is the ability of water to wet surfaces and adhere to a tube that contains it, the latter due to capillarity. Capillarity also allows water to rise through the roots and stems of plants, through their thin vascular ducts.
- Reasoning: cohesion in water depends on the force of attraction between H₂O molecules, adhesion is the capacity of H₂O molecules to join other different molecules and —together with surface tension— make H₂O molecules close to the walls of a glass tube adhere to it, which represents capillarity.
The effect of capillarity is more evident when the test tube is of a smaller diameter, although capillarity and adhesion to its walls always exist, and to a greater degree than any other substance.
The majority of marine organisms are found in coastal regions, rather than the open
ocean. Which of the following best explains why?
Salinity is usually much higher in coastal regions,
Temperatures are cooler in coastal regions.
Ocean currents bring nutrient-rich water into coastal regions.
The shallow waters of coastal regions provide less oxygen
Answer:
it is a
Explanation: i took the exam
Why do primates have a longer childhood than other mammals?
It's not a multiple choice question
Answer:
The research shows that for the cortex to evolve to be large, primates need a longer pregnancy, whereas a longer childhood is needed for a larger cerebellum to evolve. This means it is critical for infants to have the right environment to develop crucial skills.
Explanation:
How can a diet that is 90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohydrates?
Answer:
Due to increase or decrease in the concentration of carbohydrates have no effect on protein concentration.
Explanation:
A diet having 90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohydrates because with the increase or decrease of carbohydrates in the diet does not increase the amount of protein. Protein and carbohydrates are two different things, proteins broken down into amino acid that is utilize by the body for making muscles while carbohydrates are broken down into glucose that is used by the body for performing daily activities.
90% carbohydrates support the same amount of protein in the human body as a diet that is only 15% carbohydrates as it helps to balance the amount of carbohydrates and protein needed for the body to perform its activities.
CarbohydratesBoth carbohydrates and proteins have a vital role in good health. Proteins in our body help to maintain healthy skin, bones, hair and muscles. Carbohydrates give energy to our body parts like the brain, kidney and heart to function properly.
If your diet has only 15% of carbohydrates, then the body will take any measure to get the energy it required for the proper functioning of body parts. The body tries to break down the proteins (that you eat)chemically until it act like carbohydrates.
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what category of biological molecule is glucose
Answer:
Glucose is a carbohydrate
Explanation:
Glucose is a monosacchride carbohydrate.
Who was one of the scientists in the early 1900's that helped find the distances to other galaxies? *
Space where sound waves are unable to travel
Answer:
Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.
Explanation:
How does pinocytosis work?
A. A cell removes water or wastes out of itself.
B. Cytoplasm packages a particle within a food vacuole.
C. An outer cell membrane surrounds extracellular fluid before a vacuole forms containing the fluid.
D. Water molecules move from a high to a low concentration.
C. An outer cell membrane surrounds extracellular fluid before a vacuole forms containing the fluid
it's a type of cytosis vesicular active transport that involves the invagination of the plasma membrane to introduce a liquid in the cell in contrast with the phagocytosis which is made for solids
Describe five characteristics that all carnivores share.
Answer:
they eat meat, they are living oranisims, they need food to survive, they have similar teeth,
Explanation:
Larger the size of an organism bigger the size of its cells. Do you agree with this statement? Give scientific reasons.
Answer:
Disagree.
Explanation:
Though some cells are bigger than others, they do not scale with size. For example if you look at skin cells on a dog they would be similar in size to a skin cell from a human. When an animal or species is bigger it is usually just made from more cells.
if you have 6 pairs of homologous chromosomes, how many chromosomes do you have ?
Answer: 138
Explanation: Humans have 23 pairs of homologous chromosomes, times 6 is 138
Answer:
There are 12 chromosomes.
Explanation:
2 chromosomes are in one pair so if there are 6 pairs, you have to multiply it by 2.
Hello! I Need help with this. Please Help Make Sure you explain your answer i will be marking brainliest to the first person who has the right answer.....Please Help!!/
Answer:d
coach taught me that its about the mitts energy
Answer:
D. The catchers mitt will transform the balls kinetic energy to potential energy
Explanation:
I personally think it is D. Cause the kinetic energy(motion) is happening while the ball is move fast toward the catchers hand. Then when he catches it the ball stops moving and turns into potential energy(movement about to happen) cause the ball is not moving and the catcher has to return the ball back to who ever.
:D
a peptide bond is always between the elements:
a. hydrogen & carbon
b. oxygen & hydrogen
c. nitrogen & oxygen
d. carbon & nitrogen
Answer:
hdgdhdbvdghdhfbvxh DJ ebNBC fgdgdgd bgg fgsgshdbdbdbdbbdhdgd
Explanation:
dhshbdd
Realizează trei lanțuri trofice utilizând speciile care trăiesc în grădina de legume. Stabilește locul omului în lanțurile trofice pe care le-ai creat.
Answer:
Grass - grasshopper- man - bacteria.
Grass - rabbit- man - maggot.
Grass - cow - man - bacteria.
Explanation:
In these food chains, grass is the producer that provides food to primary consumer or herbivores such as grasshopper, cow and rabbit. These primary consumers are the food of secondary consumer such as human while when human die, it become the food of worms and decomposers such as maggot, bacteria etc. the nutrients releases by decomposers are used by producers for the production of food for themselves.
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Question
Over the period of a few days, a hospital receives an overwhelming increase in the number of patients with food poisoning.
Question
How would a scientist respond to this increase in sick patients?
Question
by giving the patients vitamin injections and prescribing a medication to calm their stomach and
bowel symptoms
Question
foods each patient ate and identifying patterns of overlap
Question
by examining the type and source
within the foods consumed
Question
by recording the patients' symptoms in their medical records and advising them to get rest and
drink fluids
Question
Question
by providing kind words, nurturing, and emotional support to the patients and asking them about
their feelings
Question
Answer:
A scientist's response to the increase in food poisoning sick patients should be examining the type and source within the foods consumed.
Explanation:
Food poisoning involves the effects that decomposed or contaminated food can have on a group of people who eat it, and can cause illness in all or most individuals.
Although patients' symptoms should be treated and preventive education provided, the best course of action for a scientist is to investigate the cause.
The response of a scientist to the increase in food poisoning cases is to determine the type and source of food, as well as the nature of the alteration it has -decomposition, contamination, bacteria- in order to eliminate the source and avoid new cases.
The other options may be valid in the face of the appearance of food poisoning cases, but they are not the best procedure with which a scientist would respond.Living things can be classified based on which of these criteria? (Select all that apply.)
O number of legs
O reproduces asexually
O aquatic
O oxygen breather
i’ll mark brainliest for the first person to get it right!!
Answer:
number of legs
Explanation:
Amphibians are classified by reptiles like snakes, frogs, newts, etc.
Looking at these choices, you can eliminate the second and third choices. Amphibians reproduce asexually, and the majority of them are aquatic. They all need oxygen to live as they are animals.
The only choice left would be the first choice. The number of legs.
Please select the word from the list that best fits the definition a separate family group that descended from Jacob
Answer:
tribes is the answer
What is the Hydrogen concentration of window cleaner?
Answer:
Explanation:
Residential & Commercial Services. Call Us Now For An Appointment! Services: Window Cleaning, Gutter Cleaning.
Which part of the station
was first built by Russia,
what does it's name mean?
Answer:
If you're reffering to the Russian space station the Salyut 1 was the first part built!
Explanation:
What is the answer to this?
HELP
which would produce greater gravity?
Answer:
situation 2 (:
true or false Photosynthesis changes light energy into chemical energy.
Answer:
true
Explanation:
because the plant uses the light energy to make food