keyword

hydrogen ions in photosynthesis

Monthly search volume and cost-per-click data for "hydrogen ions in photosynthesis" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=hydrogen+ions+in+photosynthesis&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-12 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
light-dependent reaction	9,900	$0	8/20
light-dependent	9,900	$0	7/20
where do light dependent reactions occur	4,400	$0	10/20
where do light-dependent reactions occur	4,400	$0	9/20
where does light-dependent reaction take place	4,400	$0	9/20
where do the light dependent reactions occur	2,400	$0	11/20
where do the light-dependent reactions occur	880	$0	12/20
hydrogen ion flow out of the thylakoid compartment	30	$0	8/20
where does the hydrogen for nadph come from	30	$0	8/20
atp and nadph are two types of protein carriers	20	$0	10/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=hydrogen+ions+in+photosynthesis&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt