A look at how cacti are able to survive and grow in the harsh, dry desert environment. The spines on a cactus help to protect it from humans and animals. Its roots are spread out to collect water when it does rain and it stores water in its body for future use.
Answer:
B. Sodium ions directly enter the cells, indicating the signal is transduced by an ion channel.
D. Sweet utilizes the GPCR signaling pathway, activating phospholipase C.
Explanation:
The taste received by the taste buds is processed through different channels
a) The Sweet, bitter, and umami tastes are transduced by the GPCR (G-protein-coupled receptors) signaling pathway
b) Sour taste reaches the taste bud through the acidification of acid-sensitive membrane proteins with in the taste cell
c) The epithelial sodium channels in the renal tissues directly takes up the salty taste
Hence, option B and D are correct
The answer is During the 1800s
The following statements which are true about common ancestors include:
- A common ancestor exists when two species are derived from the same ancestral species.
- When two organisms share a common ancestor it means that they are related to some degree.
- The more common ancestors two species share, the more closely they are related.
- Common ancestors show evidence for evolution because they show that all life is related.
<h3>What is a Common ancestor?</h3>
This refers a term used in evolutionary biology when one species is the ancestor of two or more species later in time. Organisms who belong to a common ancestor have similarities.
Common ancestors show evidence for evolution because they show that all life is related thereby making option A,C, D and E s the most appropriate choice.
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