<div class="selection"> <input id="answer<?= $a['id'] ?>" name="answer" value="<?= $a['id'] ?>" type="radio" data-right="<?= $a['isRight'] ?>" > <label id="label<?= $a['id'] ?>" class="answers" for="answer<?= $a['id'] ?>" onabort="dd(<?= @$answered['Userquestion']['is_right'] ?>, <?= $a['isRight'] ?>)" ><p><?= $a['text'] ?></p>
<div class="selection">
<input id="answer<?= $a['id'] ?>" name="answer" value="<?= $a['id'] ?>" type="radio" data-right="<?= $a['isRight'] ?>" >
<label id="label<?= $a['id'] ?>" class="answers" for="answer<?= $a['id'] ?>" onabort="dd(<?= @$answered['Userquestion']['is_right'] ?>, <?= $a['isRight'] ?>)" ><p><?= $a['text'] ?></p>
include - APP/View/Exam/index.ctp, line 43 View::_evaluate() - CORE/Cake/View/View.php, line 971 View::_render() - CORE/Cake/View/View.php, line 933 View::render() - CORE/Cake/View/View.php, line 473 Controller::render() - CORE/Cake/Controller/Controller.php, line 968 Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 200 Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167 [main] - APP/webroot/index.php, line 108
Warning (2): Trying to access array offset on value of type null [APP/View/Exam/index.ctp, line 43]Code Context <div class="selection"> <input id="answer<?= $a['id'] ?>" name="answer" value="<?= $a['id'] ?>" type="radio" data-right="<?= $a['isRight'] ?>" > <label id="label<?= $a['id'] ?>" class="answers" for="answer<?= $a['id'] ?>" onabort="dd(<?= @$answered['Userquestion']['is_right'] ?>, <?= $a['isRight'] ?>)" ><p><?= $a['text'] ?></p>include - APP/View/Exam/index.ctp, line 43 View::_evaluate() - CORE/Cake/View/View.php, line 971 View::_render() - CORE/Cake/View/View.php, line 933 View::render() - CORE/Cake/View/View.php, line 473 Controller::render() - CORE/Cake/Controller/Controller.php, line 968 Dispatcher::_invoke() - CORE/Cake/Routing/Dispatcher.php, line 200 Dispatcher::dispatch() - CORE/Cake/Routing/Dispatcher.php, line 167 [main] - APP/webroot/index.php, line 108
تبقى الخلايا صغيرة لتتمكن من التواصل.
تواجه الخلايا الكبيرة صعوبة في انتشار المواد المغذية بسرعة كافية.
كلما نمت الخلية ازدادت نسبة مساحة السطح إلى الحجم.
نقل الفضلات والتخلص منها يصبح مشكلة للخلايا الكبيرة.
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