問題詳情
58. If there are 24 chromatids in a mammalian skin cell, how many kinetochores are there?
(A) 6
(B) 12
(C) 24
(D) 36
(E) 48
(A) 6
(B) 12
(C) 24
(D) 36
(E) 48
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(5),D(1),E(2)
內容推薦
- With climate change a growing concern, more people are turning to living roofs as a ______ — and
- Which of the following statements about genome is FALSE?(A) Usually, the gene density of archaea
- Which statement is FALSE?(A) Succession is predictable.(B) Pioneer species have wide ranges of t
- Which of the followings is an extending Mendelian genetics for two or more genes?(A) pleiotropy
- Renin is a(n) _____. Its secretion is stimulated by _____.(A) hormone, high osmolality(B) hormon
- Research indicates that a powerful El Niño from 1789 to 1793 ______ crop yields in Europe, which
- Which of the followings is NOT true of G protein-coupled receptors (GPCRs)?(A) GPCRs are cell-su
- Which type of biome would most likely occur in a climate with mild, rainy winters and hot, dry s
- Which statement about DNA replication is true?(A) Helicase breaks, swivels, and rejoins the pare
- Which of the followings is NOT a neurotransmitter?(A) nitric oxide (B) substance P (C) cAMP(D) s
內容推薦
- Which of the following statements concerning human embryonic development is correct?(A) Inner ce
- The availability of reputable, quality programs of higher education in Asia is increasing ______,
- During photosynthesis, carbon dioxide is incorporated into glucose in _____; water is broken dow
- Which of the following statements concerning mitochondria are correct, EXCEPT _____.(A) mitochon
- Prokaryotic organisms have recently been divided into two domains, Bacteria and Archaea. This di
- Which of the following descriptions about muscle and skeletal system is NOT true?(A) The strengt
- As a doctor, you have to be a people person and have ______.(A) empathy (B) pathos (C) telepathy
- A nitrogen-containing carbohydrate is _____.(A) chitin (B) glucose (C) starch(D) cellulose (E) g
- The bundle branches and Purkinje fibers conduct impulses from the_____.(A) AV node to the ventri
- Assuming complete dominance, crosses between two dihybrid F1 plants, which are offspring from a
- The correct sequence of the cardiac cycle in a healthy adult human is _____.(atrial systole a
- 苯丙酮尿症 (phenylketonuria; PKU) 是由隱性等位基因所引起的遺傳疾病，若夫妻二人都是帶因者 (carriers) ，他們三個孩子中二個正常、一個患病之機率為何?(A) 1/
- Which method CANNOT detect the gene expression levels?(A) Northern blotting (B) RT-PCR (C) DNA m
- Which of the following statements is FALSE?(A) The presence of scaffolding proteins can increase
- Inbreeding and small population size of a threatened species can combine to form a downward spir
- Which of the following statements concerning hormonal control of digestion is FALSE?(A) Secretin
- Roger has a ______ to order too much food when dining out.(A) proportion (B) proclamation (C) pre
- Regarding photosynthesis, which statement is INCORRECT?(A) Light-harvesting complex may consist
- Which is NOT a recognized hypothesis to account for the strong competitive ability of invasives?
- Which of the following statements concerning regulation of eukaryotic gene expression is FALSE?(
- 當一個族群處於沒有限制因子 (limiting factor) 的環境下，則其族群成長曲線會呈現下列哪一種圖形?(A) J 形 (B) M 形 (C) S 形 (D) V 形
- If a community exhibits lognormal rank abundance, we may conclude there are _____.(A) a large nu
- 如果族群在哈溫平衡 (Hardy-Weinberg equilibrium) 狀態下，36%的個體表現出隱性表徵，則該族群顯性等位基因的頻率為何?(A) 0.16 (B) 0.4 (C) 0.6
- As forecasting improved, communities were no longer surprised by hurricanes and could ______ ahea
- Her mother used to ______ her on her bad table manners.(A) lecture (B) dissuade (C) complain (D)