Folic acid helps to prevent neural tube defects by contributing to the production of

Given the template strand DNA sequence below, provide the corresponding mRNA transcript sequence for this gene: 3′ ATCGGCATA 5′

Apoptosis is always a response to abnormality in the cell.

hemoglobin is made of two alpha (α) chains and two gamma (γ) chains. hemoglobin is made of two epsilon (ε) chains and two alpha (α) or zeta (ζ) chains. hemoglobin is made of two alpha (α) chains and two beta (β) chains, or of two alpha (α) chains and two delta (δ) chains.

Match each description to the corresponding correct term. You will use answers more than once.

At the beginning of anaphase, there is a surge of Ca2+. Following this,  contributes to the degradation of by adding ubiquitin molecules to the protein. Once the protein is degraded, , the protease that it regulates, is released. This protease then cleaves , which is bound to sister chromatids, holding them together until anaphase. This final step triggers anaphase separation of the sister chromatids.

_________________ is the major cation in the intracellular compartment whereas ___________________ is the major cation in the extracellular compartment of the body.

Which statement is NOT true regarding sexual reproduction? (question A)

Which statement about homeostasis is NOT true?

Which of the following is the primary function of the excretory system?