問題詳情
20. Biofuels are mainly produced by ______.
(A) plants that convert hemicellulose into gasoline
(B) plants that are easy to grow in arid environments
(C) transgenic crops that have cell walls containing ethylene
(D) the genetic engineering of ethanol-generating genes into plants
(E) the breakdown of cell wall biopolymers into sugars that can be fermented
(A) plants that convert hemicellulose into gasoline
(B) plants that are easy to grow in arid environments
(C) transgenic crops that have cell walls containing ethylene
(D) the genetic engineering of ethanol-generating genes into plants
(E) the breakdown of cell wall biopolymers into sugars that can be fermented
參考答案
無參考答案
內容推薦
- 捷運系統內常用到的閉塞區間是指？ (A)軌道施工所封閉的區間 (B)列車故障所封閉的軌道路段區間 (C)指不能同時運轉二列以上列車之號誌區間 (D)指不能同時停靠二列車於同一車站中
- When light strikes the rod cell, it becomes ______ and glutamate release onto bipolar cells ____
- The primary difference between estrous and menstrual cycles is that:(A) most estrous cycles are
- A person has his/her gall bladder removed and as a result:(A) can only eat liquid meals. (B) can
- Fire suppression by humans:(A) can change the species composition within biological communities.
- The series of metabolic events that occurs within tomato plants in response to wounding is _____
- 四、丁為富二代之 17 歲少年，因父親罹癌住院，每日憂心不已而守候徘徊於癌症病房外，甲、乙（均成年）與 16 歲之中輟生丙，平日游手好閒，三人以偷騙維生，見丁無知可欺，乃輪番遊說，誆稱有治癌神效之牛樟
- Which of the following groups is most threatened by global extinctions?(A) amphibians (B) birds (
- The last common ancestor of all animals was probably a ______.(A) flagellated protest (B) unicel
- The journey involves ___ trains several times.(A)change (B)changing (C)with changing (D)to change
內容推薦
- Which of the following statements about fluid mosaic model is FALSE?(A) Lipid-anchored proteins
- The first heart sound is produced at ______.(A) closing the semilunar valve (B) the beginning of
- Which of the following statements about the cell cycle is FALSE?(A) Maturation-promoting factor
- Which of the following statements about the extracellular matrix (ECM) is FALSE?(A) Collagens ar
- Which of these statements about viruses is true?I. H5N1 virus is an RNA virus.II. SARS virus is
- ______ triggers the ripening and aging of the banana, while ______ inhibits growth and seed germ
- Which of these statements best describes fruits?I. A pea pod is formed from an ovary.II. When yo
- Which of the following characteristics best describes the urea cycle?(A) All of the enzymes are
- A Taiwan ecologist monitoring the number of Formosan macaque in a wildlife refuge over a 10-year
- Which of the following sources of reducing equivalents is most important for steroid hormone syn
- Martin and Mary have free earlobes, but their son Mark does not. If Martin and Mary have two mor
- Which of the following statements about gout is true?(A) It results from the overproduction of o
- Which of the following characteristics best describes specialized cell junction?(A) Adherens jun
- Which order is correct according to the number of genes from big to small in the following organ
- Which of the following vitamins involves primarily in transamination reactions of amino acid met
- Which of these statements best describes speciation?(A) Populations separated by a geographic ba
- Which of these statements best describes stem cells?(A) Adult stem cells but not embryonic stem
- ______ clinical trial tests on the target human population, and ______ clinical trial maximize t
- Phenylketonuria (PKU) is due to a recessive allele. Given 1 PKU occurrence per 25 births, what i
- Which of the following normal ranges for measurements of some fasting blood values is FALSE?(A)
- Which of these statements about muscle contraction is FALSE?(A) Ca2+ is required for all muscle
- Which of these statements about a secondary immune response is FALSE?(A) Antibodies of the IgE c
- What is the correct sequence of events involving cyclic AMP as a second messenger of glucagon ho
- Which of the following sequence of the steps is regular for Western Blotting Assay that is widel
- All are stages in gene transcription EXCEPT:(A) binding of RNA polymerase holoenzyme at the prom