There are two important regions of a lipid that provide the structure of the lipid bilayer. Each lipid molecule contains a hydrophilic region, also called a polar head region, and a hydrophobic, or nonpolar tail region
Answer:
50%
Explanation:
According to the given information, the woman has normal BRCA alleles while the man carries one copy of the mutated BRCA allele (BRCA1). A diploid organism such as human beings can have two BRCA alleles. A child gets one BRCA allele from the mother and the other from the father.
The child of the couple would get one normal allele from the woman. However, with respect to the BRCA allele, the man would form two types of gametes in equal proportion. The 50% of his gametes would have the mutated BRCA1 allele while the rest 50% would carry the normal BRCA allele. Therefore, the man can transmit either normal or mutated BRCA allele to the child. So, there are 50% chances for the child to get the mutated allele.
Answer:
The correct answer will be-false
Explanation:
The folded structure of the plasma membrane was observed in the gram-positive bacteria which were called the mesosomes.
These mesosomes were earlier thought to be involved in the specific functions like cell division, chromosome replication, oxidative phosphorylation.
Later in the 1970s, the research showed that these invaginations of the plasma membrane were produced by the chemical fixation techniques to prepare samples for the electron microscopy and were treated as artefacts.
Thus, false is the correct answer.
Answer:
Is a mode of endocytosis in which small particles suspended in extracellular fluid are brought into the cell through an invagination of the cell membrane, resulting in a suspension of the particles within a small vesicle
Explanation:
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