Fall%2007%20120%20Exam_2_answers

Fall%2007%20120%20Exam_2_answers - ` Professor Webb Name:...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
` Exam Two Professor Webb 10/31/2007 Name: Answer Class time:___________________ 1 BISC 120L Midterm 2 – Fall 2007 – 100 pts total READ ALL INSTRUCTIONS CAREFULLY 1. Write your name on all the pages 2. Make sure you have a total of 11 pages Page # Score Please check the box next to your TA’s name : ± Laila Barada ± YounKyoung Kim ± Gorjana Bezmalinovic ± Lori Klaidman ± Carlos Cabrera ± Mimi Lee ± Prithiviraj Chellamuthu ± Xuecong Liu ± Abdoulaye Galbani ± Kun (Mark) Qian ± Lewis Hsu ± Chanpreet Singh ± Rishabh Jain ± Natalia Tjokro ± Soyun Kim 1 0_ /0 pts 2 _____/10 pts 3 _____/10 pts 4 _____/10 pts 5 _____/10 pts 6 _____/10 pts 7 _____/10 pts 8 _____/4 pts 9 _____/10 pts 10 _____/12 pts 11 _____/14 pts Total _____/100 pts
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
` Exam Two Professor Webb 10/31/2007 Name:_________________________ Class time:___________________ Part I. Matching (1pt each): Below is a list of terms. Please match them with the appropriate definitions. Use each answer only once. Ribozymes, taxis, heterosporous, parabasalids, transduction, ovule, pollen grains, cuticle, foraminiferan, stomata 1. pollen grains : Microspores develop into these structures that contain the male gametophytes of seed plants. 2. heterosporous : A plant that has two kinds of spores: microspores that develop into male gametophytes and megaspores that develop into female gametophytes. 3. stomata : microscopic pores surrounded by guard cells in the epidermis of leaves and stems that allow gas exchange between the environment and the interior of the plant. 4. parabasalids : A protistan such as a trichomonad, with modified mitochondria, that lacks plastids and is found in anaerobic environments. 5. cuticle : A waxy covering on the surface of stems and leaves that acts as an adaptation to prevent desiccation in terrestrial plants. 6. Ribozymes : An enzymatic RNA molecule that catalyzes reactions during RNA splicing, thought to be important for the origin of life. 7. transduction : A DNA transfer process in which phages carry bacterial genes from one host cell to another. 8. ovule : A structure that develops within the ovary of a seed plant and contains the female gametophyte. 9. foraminiferan : An aquatic protist that secretes a hardened shell containing calcium carbonate and extends pseudopodia through pores in the shell. 10. taxis : Movement toward or away from a stimulus. 2
Background image of page 2
` Exam Two Professor Webb 10/31/2007 Name: Answer Class time:___________________ 3 Part II. Multiple Choice (2pts each): Select the most appropriate answer and write in CAPITAL LETTERS ONLY in the accompanying box. 1) In the 70’s, Carl Woese of the University of Illinois and his collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes into two domains? A) microscopic examination of staining characteristics of the cell wall
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 11

Fall%2007%20120%20Exam_2_answers - ` Professor Webb Name:...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online