Cells that lack a nucleus and membrane-bound organelles are called ___. (a) Eukaryotic (b) Euryhaline (c) Eutelic (d) Protandrous (e) Prokaryotic. What would you call the Parenchyma cells that are made under to division controlled laboratory condi...
1. What are cells with an enclosed nucleus called? What are the main elements of the nucleus? 2. Do all eukaryotic cells have only one nucleus? Which types of cells lack(s) a nucleus? What is a cell? What are the functions of a cell? What makes cells different from each other...
百度试题 结果1 题目Which of the following is a characteristic of eukaryotic cells? A. Lack of a nucleus B. Presence of a nucleus C. Circular DNA D. Absence of organelles 相关知识点: 试题来源: 解析 B 反馈 收藏
Several methods employ dyes which diffuse passively through damaged membranes, while they are excluded by healthy cells. First, the trypan blue exclusion assay [18] is cheap, simple and still widely used. Viable cells are counted with a hemocytometer or an automated electronic particle counter...
Electron microscopy shows us that ribosomes, which are large protein and RNA complexes, consist of two subunits, large and small ((Figure)). Ribosomes receive their “orders” for protein synthesis from the nucleus where the DNA transcribes into messenger RNA (mRNA). The mRNA travels to the...
1b). Thus, as the bristles undergo terminal differentiation, an additional fifth cell, hereafter called the F-Cell, begins to express the neurogenic marker neur (Fig. 1c). We next observed that F-Cells originate from the epidermis in which each bristle is embedded. Labelling all cells by ...
-Lack nucleus and organelles Eukaryotes -Appeared about 1.5 billion years ago -Include all cells alive today except bacteria and archaea -Are larger than proaryotic cells -Have a more complex archetecture -Possess a nucleus and a variety of organelles ...
Future work will have to address which transcription factors are responsible for LSEC heterogeneity. After MCD-induced NASH injury, we observed a key cluster of C-Kit+-LSECs with a changed phenotype. Usually, bone marrow-derived endothelial progenitor cells (EPCs) are C-Kit+ [17]. During EPC...
What is the simplest cell structure without compartments or a nucleus called? Which cells in the small intestine's mucosa secrete mucus? Which cell type is most common in the digestive system? a. Endothelial. b. Epithelial. c. Myocyte. d. None of the above. ...
nucleus The organelle that contains the DNA and controls the processes of the cell cytoplasm a jellylike fluid inside the cell in which the organelles are suspended; provides the proper environment (nutrients) for cell processes cell membrane ...