Results 51 to 60 of about 2,308,146 (271)

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

FEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka, Yuxi Liu, Stefano Maggi, Debnath Ghosal, Jue Wang, Prashant P. Damke, Stephen D. Carter, Wei Zhao, Sukhithasri Vijayrajratnam, Joseph P. Vogel, Carrie L. Shaffer, Grant J. Jensen   +11 more
wiley   +1 more source

Use of multiple choice questions during lectures helps medical students improve their performance in written formative assessment in physiology

National Journal of Physiology, Pharmacy and Pharmacology, 2016
Background: Multiple choice questions (MCQs) play a pivotal role in various types of assessment in medical schools, due to the ease with which these can be administered and evaluated.
Madhu Bhatt, Shelka Dua
doaj   +1 more source

Assessment in anatomy [PDF]

, 2015
From an educational perspective, a very important problem is that of assessment, for establishing competency and as selection criterion for different professional purposes. Among the issues to be addressed are the methods of assessment and/or the type of
Brenner, Erich, Chirculescu, Andy R M, Reblet, Concepción, Smith, Claire   +3 more
core   +1 more source

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

FEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee, Dimitrios Bekiari, Sofia Doello, Karl Forchhammer   +3 more
wiley   +1 more source

Revisiting Visual Question Answering Baselines

, 2016
Visual question answering (VQA) is an interesting learning setting for evaluating the abilities and shortcomings of current systems for image understanding.
D Geman, N Srivastava, S Auer, S Hochreiter   +3 more
core   +1 more source

Structural biology of ferritin nanocages

FEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

An online survey of adults with cystic fibrosis: accessing and using life expectancy information [PDF]

, 2019
A spreadsheet containing a subset of the original data from all respondents (n=85) from an online questionnaire entitled "Online survey to gain understanding of what people with cystic fibrosis aged 16+ would like to learn about their life expectancy and
Keogh, Ruth
core   +1 more source

Mechanisms of IgE‐mediated food allergy and the role of allergen‐specific B cells

FEBS Letters, EarlyView.
Food allergy arises when allergen‐specific B cells preferentially produce immunoglobulin E (IgE) antibodies against harmless foods. This article explains the mechanisms driving IgE‐mediated reactions, highlights the central role of these B cells, and discusses how natural tolerance (NT) and oral immunotherapy (OIT) can reshape allergic immune responses.
Juan‐Felipe López, Özge Yilmaz Ardicli, Mübeccel Akdis   +2 more
wiley   +1 more source

Enhancing Visual Question Answering for Multiple Choice Questions

IEEE Access
The proposed paper examines enhancements in Visual Question Answering (VQA) by systematically tuning hyperparameters and utilizing advanced image and text encoders.
Rashi Goel, Harsh Nandwani, Eshaan Shah, Ashalatha Nayak, Archana Praveen Kumar   +4 more
doaj   +1 more source

Using Multiple Choice Questions to Assist Learning for Information Retrieval [PDF]

, 2011
A key issue in teaching and learning in information retrieval – particularly for library and information science students – is the gap in prior knowledge compared with the need for mathematics to conduct and evaluate searches. In this chapter, we examine
MacFarlane, A.
core   +1 more source