Warning: Creating default object from empty value in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/themes/skeptical/functions/admin-hooks.php on line 160
Archive | Biology RSS for this section

Theory of Natural Selection


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

Which of the following is the most accurate statement regarding the theory of Natural Selection?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Mechanism of Cyanide


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

The lethal poison cyanide causes death by interfering with cellular respiration. What is cyanide’s mechanism of toxicity?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Mammalian Zygote


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

Once a mammalian zygote has become a blastocyst and implants itself into the uterine wall, it will develop into?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Inhibition by Penicillin


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

Penicillin exerts its effect on bacterial growth through inhibition of cell-wall synthesis. This antibiotic blocks the last step in the formation of the cell wall. Glycopeptide transpeptidase is a bacterial enzyme that catalyzes the cross-linking reaction between peptidoglycan molecules, which are the main constituents of the cell wall. Penicillin inhibits the enzyme by binding covalently to its active site. The penicillin-enzyme complex cannot react further.

This is an example of:

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Genetic Drift Effects


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

Genetic drift is the process responsible for:

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Catabolic Process


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

Which of the following is an example of a naturally occurring catabolic process?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Aldosterone Release


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

If the hormone aldosterone is released in the bloodstream, which of the following is most likely to occur?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Heart In Systole


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

Which of the following occurs when the heart is in systole?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Correct Definition of Competitive Inhibition


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

What is the most correct definition of competitive inhibition?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.

 



Can’t Touch This


Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 544

Warning: sizeof(): Parameter must be an array or an object that implements Countable in /home/xipgqzel/public_html/mcatquestionoftheday.com/wp-content/plugins/php-code-for-posts/PHPPostCode.php on line 78

What process is described by an animal’s ability to involuntarily contract a skeletal muscle without receiving a direct signal from the brain?

Loading ... Loading ...


Subscribe below to receive the MCAT Question of the Day delivered straight to your inbox every morning.