Describe the unique appearance of diatoms. what chemical compound composes their outer covering, and what is this shell called? how does the diatoms' habitat enable them to photosynthesize?

Does this experiment show that cd4 is the only membrane protein required for hiv entry? does this experiment show that cd4 is the only membrane protein required for hiv entry? no, the experiment shows that hiv does not utilize cd4 as a receptor.

Experimental support for Mendel's law of segregation comes from the results of self-fertilizing F2 plants that display the dominant phenotype.

What function do chloroplasts perform? They use light energy to make food for the plant. They control the activities in the cell. They produce proteins for the cell. They provide temporary storage for the plant's wate

Indicate the correct designation of the paired sex chromosomes. male: female: XX XY YY XX XY YY

Which statements about the regulation of transcription initiation in these genes are true? 1) The fantasin gene will be transcribed at a high level when activators specific for control elements A, B, and C are present in the cell.

Which rat had the fastest basal metabolic rate (bmr) ? notecard?

Which of the following is not an example of an organism responding to a stimulus

Which strain of feminism argues that there are biological differences between men and women and that these differences should be appreciated?

Which of the following processes occurs inside the chloroplast of a plant cell? Choose ALL that are correct. (There will be multiple answers) Carbon dioxide is produced. Oxygen is produced. Sunlight is trapped. Glucose (sugar) is produced.

One turn of the citric acid cycle ultimately generates approximately 20 atp.