How many total pieces of DNA are lined up along the metaphase plate during the G-metaphase of meiosis 2? How many chromosomes are in a gamete? How many sex cells are made from one body cell? How many chromosomes are in a human egg cell?
State True or False: DNA is replicated during both meiosis I and II. ATP is made up of adenine, ribose sugar, and three phosphate groups. a. True. b. False. Three bases on DNA are the codes for one amino acid. True or False? Ribosomes are made of proteins and RNA. True False T...
elegans meiosis, wherein chromosomes interact laterally with microtubules during anaphase A to move through channels formed by the microtubule bundles (Figure 6B).63,64 Until more is known about the geometry of the interaction of Naegleria chromosomes with microtubules, it will be difficult to ...
Comparison of meiotic chromosomes at the pachytene stage of meiosis from young, old, and oil-exposed wild-type hermaphrodites were made following three-dimensional electron microscopy reconstruction of serial ultrathin sections. Age-related and oil-exposure related changes included: 1) Induced ...
Correct chromosome segregation during meiosis depends on pairing and physical connection of homologous chromosomes (homologs). Physical connections are established by the repair of programmed DNA double-strand breaks (DSBs) using the homolog rather than the sister chromatid as a template (i.e. interhom...
3. METHOD All the observations were made at meiosis in p.m.c., chiefly at first metaphase and anaphase. The chromosome characters followed will be described in the next section. Meiosis has been studied in five plants from each of the eight sub-lines derived from A and B, and in five ...
- Replication in eukaryotic DNA occurs during the S phase of thecell cycle. Eukaryotic chromosomes contain multiple origins of replication per chromosome. - Eukaryotic genes are regulated as individual structures. Genetic recombination is achieved through meiosis and fusion of gametes...
- Spindle fibers are structures that play a crucial role during cell division (mitosis and meiosis). They help in the movement and separation of chromosomes. 2. Analyzing the Options: - (a) Myoglobin: This is a protein found in muscle tissue that binds oxygen. It is not related to spindle...
Trypanosome cell during meiosis producing the first gamete. Credit: Dr Lori Peacock Professor Wendy Gibson of the University of Bristol’s School of Biological Sciences led the study. She said “We’ve got used to trypanosomes doing things their own way, but of course what we think of as...
刷刷题APP(shuashuati.com)是专业的大学生刷题搜题拍题答疑工具,刷刷题提供The primary oocytes in the follicle are stagnant in the first meiosisA.Late periodB.Early periodC.Mid termD.Between mid and late period的答案解析,刷刷题为用户提供专业的考试题库练习。