Question 6: Cell wall is present in which of the following? Bacteria Plasmodium Amoeba Sponge Answer:(a) Bacteria Question 7: Which structure makes the outer boundary of animal cell? Cell wall Cell membrane Nuclear membrane Cytoplasm Answer:(b) Cell membrane ...
excellup Class 8 Science Stars and Solar SystemExtra QuestionsMultiple Choice QuestionsQuestion 1: Which planet is closest to the sun?Mars Earth Mercury VenusAnswer: (c) MercuryQuestion 2: Which planet is farthest from the sun?Jupiter Saturn Uranus Neptune...
Students should to do some extra reading about science. 相关知识点: 试题来源: 解析 ①. be ②. allowed 【详解】 句意:我们应该允许学生多读一些关于科学的书。主动句含有情态动词,故此处应改为含有情态动词的被动语态should be done,allow的过去分词是allowed。故填be;allowed。反馈...
摘要: This paper discusses the positive impact of extracurricular activities on high school students and their schools. While there are many diverse extracurricular activities offered for high school student, there is a question as to what the positive impact of such activities is...
The journal Science is adding an extra round of statistical checks to its peer-review process,editor-in-chief Marcia McNutt announced today.The policy follows similar efforts from other journals,after widespread concern that basic mistakes in data analysis are contributing to the irreproducibility of ...
可知the policy指第一句的The joumal Science is adding an extra round of statistical checks to its peer-review process,《科学》杂志把统计检查额外添加到它的同行评审过程中),由此可直接推断出正确答案为B.joumals are strengthening their statistical checks(各大期刊正在加强统计数字检查),选项A中simplify与...
These observations suggest an important role for pTreg cells in maintaining a dynamic reciprocal relationship between the host intestinal epithelium and its microbiota and raise the question of whether these cells support the metabolic function of this “super organ.” We addressed this question by ...
This pattern raises the question of how the identity specification processes active during metamorphosis of ventral appendages in holometabolous insects relate to processes active in hemimetabolous insects. A phylogenetic comparison of the ontogeny of pb regulation may provide insight into the origin of...
excellup Class 8 Science CellExtra QuestionsVery Short Answer Type QuestionsQuestion 1: Cell organelles are present in which part of the cell?Answer: CytoplasmQuestion 2: How will you define a cell?Answer: Cell is the structural unit of a living being....
Long Answer Type Questions: Question 1: Describe the composition of the air. Answer:The air that we breathe is a mixture of many gases like oxygen, nitrogen, carbon dioxide, argon etc. The majority of the atmosphere is made up of nitrogen (78%) and oxygen (21%). The other gases that...