Results 41 to 50 of about 401,963 (312)

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

FEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Freedom of keeping and evaluation of evidence by the jurisdictional bodies of Russian sports organizations

Правоприменение
The subject. The All-Russian sports federations, professional leagues, and the Russian AntiDoping Agency (RUSADA) are legally endowed with the rights to create jurisdictional bodies for the mandatory pre-trial settlement of disputes in sports arising ...
I. A. Vasilyev, E. G. Vetrova
doaj   +1 more source

The legal framework for sports development and the environmental protection

Journal of Modern Science, 2019
Objectives Sport is an important element of public health, politics and business. The popularity of active sporting is increasing part of society. However, the passive participation in sports events is important too.
Magdalena Sitek
doaj   +1 more source

Motivational Predictors of Physical Education Students’ Effort, Exercise Intentions, and Leisure-Time Physical Activity: A Multilevel Linear Growth Analysis [PDF]

, 2010
Grounded in self-determination theory (SDT; Deci & Ryan, 2000), the current study explored whether physical education (PE) students’ psychological needs and their motivational regulations toward PE predicted mean differences and changes in effort in PE ...
Ntoumanis, Nikos, Spray, Christopher M., Standage, Martyn, Taylor, Ian M.   +3 more
core   +3 more sources

Behavioral Regulation Sport Questionnaire: Gender and Sport Invariance in Portuguese Athletes [PDF]

Perceptual and Motor Skills, 2019
This study aimed to analyze measurement invariance of the Behavioral Regulation Sports Questionnaire (BRSQ) across gender and four different sports. In addition, we examined nomological validity via basic psychological needs satisfaction. Participants totaled 1,812 Portuguese athletes (1,220 males and 592 females; aged 15–59 years, Mage = 17.72, SD ...
Monteiro, Diogo, Teixeira, Diogo, Vitorino, Anabela, Moutão, João, Rodrigues, Filipe, Machado, Sérgio, Cid, Luis   +6 more
openaire   +3 more sources

Mapping the evolution of mitochondrial complex I through structural variation

FEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin, Tingting Chen, James A. Letts   +2 more
wiley   +1 more source

Legal Aspects of Employing Athletes

Studies in Logic, Grammar and Rhetoric
The Act of 25 June 2010 on sports defined the concept of professional sports. Thanks to this, it was finally possible to say goodbye to apparent amateurism and the employment of athletes in fictitious positions in workplaces.
Ziółkowska Krystyna
doaj   +1 more source

Perceptions of implementation of Massachusetts sports concussion regulations: results of a survey of athletic directors

Injury Epidemiology, 2020
Background In 2011 the Massachusetts Department of Public Health issued regulations pursuant to 2010 Massachusetts youth sports concussion legislation that provided policies and procedures for persons engaged in the prevention, training, management, and ...
Jonathan Howland, Julia Campbell, Linda Brown, Alcy Torres, Jonathan Olshaker, Richard Pearson, Courtney Hess   +6 more
doaj   +1 more source

PROTOCOL ON SAFETY AT HIGH-RISK MATCHES

Elektronički Zbornik Radova Veleučilišta u Šibeniku, 2022
In the Republic of Croatia, as in most other countries, riots at sports competitions are escalating. In order to effectively apply regulations related to the prevention of riots at sports competitions, the Republic of Croatia adopted the Protocol on ...
Krešimir Nimac, Joško Žganjer
doaj   +1 more source

Advice on standards for school premises: for local authorities, proprietors, school leaders, school staff and governing bodies [PDF]

, 2013
There are fewer regulations than previously and they are less prescriptive, allowing schools more flexibility in how they use their premises. - Many regulations state that provision must be ‘suitable’.

core