Biomolecules that typically contain both nitrogen and phosphate - C. Nucleic acids.
Nucleic acids are biomolecules made up of the monomers called nucleotides, Nucleic acids store, transmit, and expresshereditary information. There are two types of nucleic acids:DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
All the genetic information is coded in the sequences of nucleotides. Nucleotide has the following components:
Thus, Biomolecules typically contain both nitrogen and phosphate - C. Nucleic acids.
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B) ultrasound imaging
C) amniocentesis
D) blood transfusion
E) X-ray
The obstetrician would most reasonably offer procedure CVS (Chorionic Villus Sampling) to her patient. Therefore option A is correct.
CVS is a prenatal test performed between 10 to 13 weeks of pregnancy. It involves taking a small sample of cells from the placenta to analyze the fetal DNA for genetic disorders.
This procedure allows early detection of serious disorders, providing valuable information to the parents about the health of their fetus. Ultrasound imaging can provide structural information about the fetus but may not detect biochemical disorders.
Amniocentesis is typically performed later in pregnancy and is used for different purposes. Blood transfusion and E) X-ray are not relevant to detecting fetal disorders.
Therefore option A is correct.
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Answer:
Crossing-over
Explanation:
Crossing-over is a phenomenon that occurs in the Prophase stage of meiosis I. Two chromosomes of a homologous pair comes together in a process called SYNAPSIS to form a TETRAD structure. While the chromosomes synapses, breaks occur at corresponding points in the non-sister chromatids i.e in one chromatid of each chromosome. Since the chromosomes are homologous, breaks at specific points mean that the segments that are broken off contain specific genes i.e. alleles. The broken sections are then exchanged between the chromosomes to form complete new units, and each new recombined chromosome of the pair can go to a different daughter sex cell.
In meiosis, the maternal and paternal chromosomes can be shuffled into daughter cells in many different combinations. The resulting chromosomes are not entirely maternal, neither are they entirely paternal. This ensures genetic variation in sexually reproducing organisms.
The molecules which are involved in a Nitrogen Cycle include the following:
Nitrogen cycle is the biogeochemical cycle which involves the conversion of
nitrogen into various forms. This helps to ensure adequate availability and
distribution of the element in the soil and in the atmosphere.
The following below are processes which ensures nitrogen distribution
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Answer:
The nitrogen cycle represents one of the most important nutrient cycles found in terrestrial ecosystems (Figure 9s-1). Nitrogen is used by living organisms to produce a number of complex organic molecules like amino acids , proteins , and nucleic acids .
Explanation:
B - Carbon dioxide
C - Co-enzyme A
D - None of the above
2) Which of the following is energy that has not yet been used?
A - Potential
B - Kinetic
C - Metabolic
D - All of the above
Answer:
The answer is covalent bonds
Explanation:
The study of crops is called agriculture. There are different types of joints in the human body and these are pivot joint, articulate joint.
The correct answer is mentioned below.
The Articulations or the joints are the structures, where two bones are joined together. In our body there are three types of articulations:
1. Synarthrosis - The articulations, which do not permit any kind of movements.
2. Amphiarthrosis - The articulations, which permit a slight movement, generally in a particular direction.
3. Diarthrosis or synovial joint - The articulations, which permit free movement.
Hence, Articulations permitting only slight degrees of movement are Amphiarthrosis, whereas articulations permitting no movement are called Synarthrosis.
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The Articulations or the joints are the structures, where two bones are joined together. In our body there are three types of articulations:
1. Synarthrosis - The articulations, which do not permit any kind of movements.
2. Amphiarthrosis - The articulations, which permit a slight movement, generally in a particular direction.
3. Diarthrosis or synovial joint - The articulations, which permit free movement.
Hence, Articulations permitting only slight degrees of movement are Amphiarthrosis , whereas articulations permitting no movement are called Synarthrosis.