Answer:
1) Pollen is released from the anther.
2) Pollen sticks to the stigma.
3) Pollen tube forms and grows through the style.
4) The pollen tube reaches the ovule within the ovary.
5) Sperm fertilizes the egg.
Explanation:
Pollination is a process in which pollen grains are transfer from anther to stigma of the flower. It occurs through wind, water and insect such as bees. When pollen gets mature, it falls from anther to the stigma. There it makes a tube which goes to the ovary. This pollen reaches the ovary through this tube and combines with ovule and fertilization occurs.
Answer:
C
Explanation:
Hyphae is the vegetative growth of fungi.
it is long and filamentous in nature and is
analogous to the rhizoids of runner plants. A
network of many crisscrossing hyphae is called
mycelium, When a hyphae branches vertically
upwards to give rise to a sporanguim, it is
called sporangiophore (such as the case in
the attached diagram
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<span>The Greeks used the amber to study the concept of magnetism for the first time.
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Answer:
DNA
Explanation:
DNA is a nucleic acid. It is a polymer of deoxyribonucleotides that are bonded together by phosphodiester bond to make long DNA strands. DNA is the most stable biomolecule in the history of life on earth and continues to serve to store the genetic information of living beings. Several species-specific sequences are DNA are conserved during evolution. This makes the DNA the best molecule to store any valuable information.
RNA is comparatively more reactive and prone to mutations due to the presence of ribose sugar and uracil base in it. The structure of a protein is determined by DNA nucleotide sequences. Any change in DNA would also change the structure of a protein.
DNA, RNA, protein digesting enzymes did Avery, MacLeod, and McCarty use in order to identify the genetic material.
<h3>What is the Digesting enzyme of DNA?</h3>
- With the aid of specialized enzymes known as restriction endonucleases (often referred to as restriction enzymes or REs), restriction digestion is the process of breaking down DNA molecules into smaller fragments.
- Wherever that sequence appears in the DNA molecule, these specialized enzymes can identify specific DNA sequences (for instance, GATATC).
- The DNA and RE are first combined in restriction digests, but things don't work out quite that easily.
- Because they are fragile, restriction enzymes must be handled with care.
- Since proteins which are what enzymes are denatured when the temperature rises, REs are always kept in the freezer until they are needed.
- In actuality, the components of a Restriction Digest are all kept chilled until the reaction is ready to start.
Learn more about DNA here:
brainly.com/question/19238665
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