Biology

Micrococcal nuclease coupled with a restriction enzyme is used to examine nucleosome positioning but ...

Started by petersan

During DNA replication, the histone cores in the nucleosomes:

Started by jany123

DNA makes about _______ turn(s) around the cylindrical histone octamer.

Started by parker123

Which of the following is not associated with multicellular eukaryotic centromeres?

Started by hjfhdiskkjs

What would happen if a mutation in the telomerase gene resulted in loss of the enzyme's function?

Started by curls713

The density of DNA in a bacteriophage T4 head is about:

Started by warrenjean01

If all the DNA in one human cell was stretched out, it would be about:

Started by amymoore

True or False? At a minisatellite locus, a woman has two alleles with 15 and 18 repeats each. Her ...

Started by Mscarter

Two strands of DNA can be separated upon denaturation in a density gradient if one strand is much richer in:

Started by knemetz3

Mutations that reduce or prevent synthesis of either or globin result in:

Started by nanna

How many gene families are estimated to be present in the human genome?

Started by jenniferbaugh1984

An example of a disease characterized by afused hemoglobin caused by unequal crossing over is:

Started by lingual

True or False? An molecular clock measures the accumulation of mutations at an approximately ...

Started by JimmyJoe

Which of the following categories of genes composes the highest proportion of genes shared among eukaryotes?

Started by lol1012

The human genome is estimated to have how many functional, protein-coding genes?

Started by Scollins7

Obligate intracellular parasites live within a eukaryotic host and have lost nonessential genes. ...

Started by bubba123

If linkage disequilibrium (measured by the fraction of recombinants) between one allele and alleles ...

Started by dhsndn

True or False? There can be genetic polymorphism without corresponding phenotypic polymorphism.

Started by isam

Which species shows the greatest percentage of repetitive DNA?

Started by kms5229

Which of the following groups of species has the largest mitochondrial genome?

Started by Adc3669

What has happened to most of the genes from the Rickettsia-like ancestor of modern mitochondria?

Started by llesku

The fact that the chloroplast genome encodes RNA polymerase, ribosomal RNAs, and transfer RNAs ...

Started by byomi

True or False? Most genes are uninterrupted (lack introns) in insects.

Started by Katmoss16

True or False? A gene family is defined as a group of genes that encode identical polypeptides, with ...

Started by jmoore1989

Which of the following is an example of the genome phenotype?

Started by Ethanolson3