For flowering plants to reproduce sexually, male gametes must be transferred to female ovules during pollination. How does one structure of the plant that makes this possible? A.
The stigma is often sticky and traps pollen.
B.
The long filaments transport the pollen to the ovary.
C.
The sepals disperse pollen into the air.
D.
The anthers protect the ovules until pollination.

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

What kinds of foods are high in lipids?