Folic acid, a B vitamin, aids in cell development, metabolizes nucleic and amino acids and prevents birth defects like spina bifida and anencephaly. Hence, it's important for pregnant women or those planning to conceive to ensure an adequate intake.
Explanation:The primary benefit of folic acid, which is one of the B vitamins, is that it assists in the normal development of cells, especially during fetal development. Specifically, it aids in the healthy development of the neural tube during the early stages of pregnancy. Sufficient intake of folic acid can reduce the risk of severe birth defects known as neural tube defects, including spina bifida, where spinal tissue protrudes through the newborn's vertebral column, and anencephaly, a condition characterized by the partial or complete absence of brain tissue.
In addition to supporting cell development, folic acid also helps to metabolize nucleic and amino acids. Furthermore, a deficiency of folic acid is associated with conditions like anemia and certain genetic and environmental factors can influence its absorption in the body. Hence, it's vital for expecting mothers or those planning for pregnancy to ensure an adequate intake of folic acid, through a balanced diet or supplements, to support the healthy growth of the fetus.
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What name is given to fossils that are widespread geographically, are abundant in number, and are limited to a short span of time?
Final answer:
Index fossils, which are geographically widespread, abundant, and limited to a short time period, are crucial for dating rock layers and identifying geological periods, such as the Mesozoic era indicated by Belemnites.
Explanation:
The fossils that are widespread geographically, are abundant in number, and are limited to a short span of time are known as index fossils. These unique fossils are very useful in geology for dating rock layers, as they indicate a very specific period in geologic time.
For example, Belemnites, a type of ancient cephalopod, signify the Mesozoic era because they only existed during that time. Another example is the extinct chordate Eoplacognathus pseudoplanus, which is associated with the Middle Ordovician period.
To be classified as index fossils, they must be easily recognizable, globally distributed, and represent a short geological timeframe, which makes them invaluable tools for the technique known as biostratigraphy.
Passive transport needs energy true or false
Describe the effect that exercise has on tidal volume, alveolar ventilation, and anatomical dead space compared to the resting rate based upon the data in the lab.
Exercising has a lot of effects on our body and brain. Physical exercise stimulates diverse brain chemicals that may have you feeling better and more relaxed. You will also feel happier about your appearance when you exercise regularly.
>Tidal Volume: This refers to the amount of air entering the lungs during breathing. An increase in exercise results in tidal volume since this allows for a greater gaseous exchange.
Both the consumption of alcohol and the ingestion of antianxiety drugs work to increase the activity of __________, which is an inhibitory neurotransmitter.
Ingestion of antianxiety drug and alcohol will likely result to an increase of GABA or also known as the gamma Aminobutyric acid. It is the one responsible of neuronal excitability reduction in the nervous system of an individual and it plays a neurotransmitter in the CNS.
The animal cell did not have chloroplast. what can you infer about the animal cell?
Long line fishing and drift nets are hazardous to fish and other marine animals. Please select the best answer from the choices provided T F
ometimes the form or appearance of an organism is studied to determine a taxon. The scientist is using _____.
Answer:
1 – Write A To Do List.
2 – Remove Yourself From Distraction.
3 – Take Breaks When Working.
4 – Break Big Tasks Up Into Smaller Chunks.
5 – Find Your Most Productive Times
Explanation:
NOT MY ANSWER
In prokaryotes, rna synthesis and protein synthesis take place in the
Over time, biology has explained
all living things.
why people think.
why people use tools.
many natural phenomena.
Answer:
Over time, biology has explained :
all living things.
many natural phenomena
Explanation:
Biology is the science of the living world. It studies from the characteristics and action of genes to ecosystems. Its object of study is complex and diverse, We can say that it studies living beings and the surrounding environment. Biology according to its etymology is the science that studies living things.
It has studied variety of phenomena, for example in the cell, the evolution and in the field of health
The most numerous types of interest groups in the united states are
A plant grows faster and fuller due to large amounts of fertilizer. If the plant cross-pollinates with another plant later, how will the use of fertilizer on the parent plant affect the plant's offspring?
A). All of the offspring will be taller than average because the parent plant's genes were affected.
B). Some of the offspring will be taller than average because some of the alleles were affected.
C). The height of the offspring will not change because the parent's genes did not change.
D). The height of some of the offspring will be taller if the other parent plant was also fertilized.
A Portuguese man-of-war is an example of ____.
A. an anthozoan.
B. a sea anemone.
C. a hydrozoan colony.
D. a large scyphozoan
Which of these structures can be found in eukaryotes, but not in prokaryotes?
Golgi Body
Why?
Because Only Eukaryotic structures have membrane bound cells
Which term describes the area behind the membranous lining of the abdominopelvic cavity?
What do gradualism and punctuated equilibrium have in common?
Answer:
Both theories agree that evolution occurs gradually.
Explanation:
Both are evolution theories. The theory of gradualism was supported by Charles Darwin. This theory says that the evolution of some trait of a species occurs slowly over time and gradually. In contrast, the theory of punctuated gradualism says that these jumps in species do not occur gradually. If not they are sudden. Or that in time periods they are absent and in others they are much faster. Both theories agree that evolution occurs gradually. They differ in how those changes graduate.
The ____________ is a law that requires an extension of health insurance benefits after termination
A delta fibers can rapidly transmit pain information to the brain because
Choose all statements that accurately describe the transcription bubble
Wet clothing accelerates the loss of body heat up to ____ times faster
What is the most common debilitating disease of childhood among those of european descent?
The remains of wild dogs were found among the prehistoric bones of our ancestors who lived thousands of years ago
Photorespiration lowers the efficiency of photosynthesis by
Cell differentiation depends on changes in (BLANK)
expression.
It's gene.
I took the test too
Answer:
Cell differentiation depends on changes in GENE expression.
Explanation:
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Explain why a cell needs to replicate its DNA before the cell divides into two daughter cells.
The most appropriate size needle for administering an im injection for a 200-lb male with a non-viscous solution is:
Final answer:
For a 200-lb male, the appropriate needle size for an IM injection with a non-viscous solution is usually 1 to 1.5 inches in length and ranging from 22 to 25 gauge.
Explanation:
The most appropriate size needle for administering an IM injection for a 200-lb male with a non-viscous solution is typically a 1 to 1.5 inch long needle with a gauge size of 22 to 25. Given the patient's weight, a longer and thicker needle may be required to ensure the medication is injected into the muscle tissue proper. This choice also allows for the needle to penetrate the skin and subcutaneous tissue, which can be thicker in a person who weighs 200 pounds.
On which planet(s) is the greenhouse effect present? (choose all that apply.)
The dna strand consists of eight pairs of nitrogenous bases. how many different sequences of eight basescan you make?
DNA is made up of four nitrogenous nucleotides. The purines are Adenine(A) and Guanine (G) while the pyrimidine present in the DNA are Cytosine (C) and Thymine (T).
65,536 different sequences can be made.
The eight bases of a DNA strand with pairs of nitrogenous nucleotides formed can be:
1. AA GG TT CC
2. GC GG AT CG
3. AT TA GG GC
4. GA AG GC GG
Sequence can be calculated by:
Pairing will result in 4 X 4 = 16 options because we have four nitrogenous bases. The number of potential sequences is 4⁸ if we have to make 8 pairs of bases.Thus, there will be a total of 65,536 different sequences of eight bases.
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Which part of the plant cell is undifferentiated
Meristem cells
Flower and stem cells
Leaf and root cells
Phloem and xylem cells
Meristem cells are the undifferentiated part of the plant cell, capable of continuous division and differentiation into specialized tissues such as the xylem and phloem.
The part of the plant cell that is undifferentiated is the Meristem cells. Meristem tissue consists of undifferentiated cells that are capable of continuous division and can differentiate into various types of cells depending on the plant's needs. Plant structures such as the dermal tissue, vascular tissue, including xylem and phloem, and ground tissue originate from these meristematic cells. Xylem and phloem are examples of differentiated cells and thus not considered undifferentiated like meristem cells.
Meristems contribute to the growth and repair of plant cells by maintaining an undifferentiated state, which allows them to divide and give rise to specialized tissues when needed. The Shoot Apical Meristem (SAM) and the Root Apical Meristem (RAM) are two regions where these meristematic cells are found, providing the essential cells for growth and development of leaves, flowers, and root structures.
The B horizon is also called the _____.
A. topsoil
B. subsoil
C. partially altered parent material
D. unaltered parent material
Answer: B. subsoil
Explanation:
A soil horizon can be define as the parallel layer of the soil which differs in texture, color and composition based upon the physical, chemical and biological activities. A typical soil horizon varies from layers above and beneath. The B horizon is called as a subsoil. It is typically comprise of high inorganic mineral density. It is developed by the process of pedogenesis. The inorganic minerals such as iron oxides, and clay are predominately present in this horizon. It is typically reddish to brownish in color due to high concentration of iron oxides.
1) What is the main difference between prokaryotic cells and eukaryotic cells? A) Eukaryotic cells are smaller than prokaryotic cells. B) Only eukaryotic cells have its genetic material surrounded by a membrane. C) Prokaryotic cells have many organelles, each with their own specialization function. D) Eukaryotic cells have a cell membrane and a cell wall; prokaryotes have a membrane only.
Cells are the structural and functional unit of life. The cells can be categorized into eukaryotic and prokaryotic based on their structure, function, and properties.
The correct answer is:
Option B: Only eukaryotic cells its genetic material surrounded by a membrane.
Eukaryotic cells are well-developed cells, with the eccentric nucleus and membrane-bound organelles. The cells have certain features:
The cell has mitochondria and other developed organelles like Golgi bodies, nucleus, and ribosomes.The flagella and cilia are the locomotory organs present in the cell.The cells have a nucleus enclosed within a nuclear membrane. The nucleus consists of genetic material.
Eukaryotic cells have organelles specialized in their functions.
Eukaryotic cells have cell membranes and some have cell walls.
Therefore, the nucleus of eukaryotic cells is enclosed in the nuclear membrane.
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