C. are parallel and run in opposite directions.
Explanation – Deoxyribonucleic acid (DNA) is double stranded molecule present inside the nucleus of the cell and has double helical symmetry. The two strands run or proceeds antiparallel to each other which means that one strand proceeds from 5' to 3' direction while the other strand proceeds from 3' to 5' direction.
It so happens because the nitrogenous base from one strand binds to its complimentary base pair of the other strand. Hydrogen bond is the bond that connects nitrogenous bases of two strands.
I think the answers are 2
Answer:
A. It contains the reproductive organs of the plant to
create seeds.
The correct answer is d. By causing movement of the organism.
Cilia, flagella and pseudopodia are structures used for movement and/or getting food. Cilia and flagella are very similar in structure with the difference in their length (cilia-short flagella-long and how many of them are found on cells (cells usually have hundreds of cilia while cells with flagella usually only have one or two of them). Pseudopodia is a cytoplasmic extension with the same function as cilia and flagella.
7.
XRY is a male with red eyes
XrXr is a female with white eyes
XRXR is a female with red eyes
XrYis a male with white eyes
8.
red eyed female heterozygous-XRXr
red eyed male-XrY
9.
2 white eyed male
0 white eyed female
0 red eyed male
2 red eyed female
10.
XRXR X XrY
first row XRXr XRY
second row XRXr XRY
0 white eyed male
0-white eyed female
2 red eyed male
2-red eyed female