1. which of the following is not a cell organelle?
a. mitochondira
b. cytoplasm
c. endoplasmic reticulum
d. lysosome

2. which of the following would you find in a plant cell but not an animal cell?
a. cell membrane
b. endoplasmic reticulum
c. nucleus
d. chloroplast

3. if a cell has a very large number of ribosomes attached to it's rough endoplasmic reticulum, what is the cell probably specialized to manufacture?
a. protein
b. glucose
c. lipids
d. nucleic acids

Sperm pass through the and connect to a short ejaculatory duct. vas deferens prostrates seminiferous tubules none of the above

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

Why has two different alleles for the same trait?