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Bio Lab 2 test
| Question | Answer |
|---|---|
| The light-dependent reactions of photosynthesis take place in the | thylakoid membrane of the chloroplast. |
| __________is a process that uses the sun, water, and carbon dioxide to make food and oxygen. | photosynthesis |
| Which of the following is NOT true concerning the Calvin cycle? | The actual assembly of carbohydrates during photosynthesis occurs during the Calvin cycle. |
| The__________is the organelle that carries on photosynthesis. | chloroplast |
| Which of the following best describes a photosystem? | A collection of pigment molecules that transfer energy captured from light to a reaction center pigment |
| What products of light reactions of photosynthesis are used in the Calvin cycle? | ATP and NADPH |
| What is the only pigment that directly participates in the conversion of light energy to chemical energy during photosynthesis? | chlorophyll a |
| Which of the following statements is/are true concerning CAM photosynthesis? | CAM photosynthesis is prevalent in desert plants and allows them to live under stressful conditions. CAM plants close their stomata during the day in order to conserve water. Photosynthesis in a CAM plant is minimal because of the limited amount o |
| Which of the following is NOT true about C3 and C4 plants? | ???? |
| Which of the following statements about light dependent reactions is NOT true? | The cyclic electron pathway involves PSI and PSII. |
| Which of the following is a significant coenzyme involved in photosynthesis? | NADP+ |
| The oxygen given off by plants during photosynthesis comes from | H2O (water). |
| G3P (glyceraldehyde-3-phosphate) is the product of the Calvin cycle. G3P is used by plants to form all of the following except__________. | carbon dioxide |
| The Calvin cycle reactions of photosynthesis take place in the | stroma of the chloroplast. |
| Molecules that absosrb certain wavelengths of light and reflect . | pigments |
| Plants typically achieve cytokinesis by | forming a cell plate across the middle of the cell. |
| During__________of mitosis, the nucleolus disappears and the spindle is in the process of forming. | prophase |
| What is a nucleosome? | It is a region of DNA wound around a collection of histone proteins. |
| The physical distribution of cytoplasmic material into two daughter cells is called | cytokinesis. |
| Which occurs in metaphase? | Chromosomes line up along the equator of the dividing cell. |
| Coiled and condensed chromatin is called a__________. | chromosome |
| DNA replication occurs | during the S stage of interphase.1 |
| The normal function of the p53 gene in the cell is__________. | to act as a tumor suppressor gene. to monitor DNA for potential damage to trigger destruction of cells not capable of DNA repair |
| During__________of mitosis, sister chromatids move towards opposite poles of the cell. | Anaphase |
| __________is the point of attachment for sister chromatids. | centromere |
| Which represents the correct sequence of stages in the cell cycle? | G1, S, G2, M |
| Bacteria reproduce asexually by a process called | binnary fission |
| A(n)__________is one of two genetically identical chromosome units that are the result of DNA replication. | sister chromatid |
| A__________ microtubule is a structure that brings about chromosome movement during nuclear division. | spindle apparatus |
| Animals typically achieve cytokinesis by__________. | forming a cleavage furrow that pinches the cell in two |
| During which phase of meiosis does crossing-over occur? | Prophase I |
| An organism is said to be diploid if | it contains genetic information from two parents. |
| When homologous chromosomes form chiasmata, they are | exchanging genetic info |
| Gametes contain__________the number of chromosomes found in somatic cells. | half |
| Telophase I results in the production of | two cells containing one homologue of each homologous pair. |
| What are homologous chromosomes? | Two genetically similar chromosomes, one from each parent |
| Somatic cells are__________, whereas gametes are__________. | diploid; haploid |
| The events of Meiosis II are similar to_________. | mitosis |
| Which of the following does NOT contribute to genetic diversity? | asexual reproduction |
| Which of the following occurs during Anaphase I? | Homologous chromosomes move to opposite poles. |
| The haploid number of still duplicated chromosomes align at the spindle equator during__________. | metaphase II |
| Homologous pairs of chromosomes align at the spindle equator during__________. | metaphase I |
| If a parent cell has 24 chromosomes, the daughter cells following mitosis will have_____chromosomes and following meiosis will have_____chromosomes. | 24, 12 |
| Homeostasis is the condition in which the body maintains__________. | a relatively stable internal environment, within limits |
| Axons, dendrites, and glial cells are terms associated with what type of tissue? | nervous |
| Which of the following is NOT a negative feedback mechanism? | release of oxytocin during labor contractions |
| Which of the following is NOT found in the matrix of cartilage but is found in the matrix of bone? | blood vessels |
| The inability to absorb nutrients and secrete mucus might indicate a disorder in which type of epithelial tissue? | simple columnar |
| Which of the following types of tissue is found in tendons and ligaments? | dense regular |
| Skeletal muscle cells differ from the typical mammalian cell in that they_________. | contain multiple nuclei |
| The extracellular matrix of connective tissue consists of__________. | fibers and ground substance |
| This type of muscle has cells connected by intercalated discs that allow all cells to form a single functioning unit. | cardiac |
| __________is found in the walls of the hollow organs (except the heart). | smooth muscle |
| Which of the following is NOT true about adipose tissue? | it is an epithelial tissue |
| In which of the following locations is simple squamous found? | alveoli, capillaries, and kidney tubules |
| What type of tissue consists of erythrocytes, leukocytes, and thrombocytes suspended in plasma? | blood |
| Which of the following is NOT a characteristic of epithelial tissue? | has a very weak regenerative capacity |
| Which of the following is NOT an exocrine gland? | thyroid gland |
| What type of epithelial tissue is found in areas of the body subject to abrasion? | stratified squamous |
Created by:
Courtlyn H.