origins, replication bubble (Prokaryotes have 1 origin Eukaryotes have many) DNA replication can only begin at specific locations on the chromosomes called ___, and the ___ ___ starts to form Temperate phages Transcription factors (Eukaryotic only) Virulent phages

DNA replication can only begin at specific locations on the chromosomes called ___, and the ___ ___ starts to form

Keep DNA stands open Topoisomerase What is DNA replication? Single Strand Binding Proteins (SSBP) DNA access (Eukaryotes)

Single Strand Binding Proteins (SSBP)

Autocatylitic Single Strand Binding Proteins (SSBP) The addition of new nucleotide into a strand of DNA is ___ DNA replication can only begin at specific locations on the chromosomes called ___, and the ___ ___ starts to form Telomere

The addition of new nucleotide into a strand of DNA is ___

31: Cervical 8 Thoracic 12 Lumbar 5 Sacral 5 Coccygeal 1 Spinal nerve layers Crossed Extension spinal meninges functions How many segmentes and nerves has the spinal cord?

How many segmentes and nerves has the spinal cord?

What are chromosomes and what are they made of? Chromosomes are long, thin strings of genetic material made of DNA and proteins. Chromosomes are short strands of RNA and proteins. Chromosomes are made of amino acids and sugars. Chromosomes are composed of lipids and carbohydrates.

Chromosomes are long, thin strings of genetic material made of DNA and proteins.

What are genes and what role do they play in genetics? Genes are lipids that store energy in cells. Genes are proteins that regulate cell metabolism. Genes are sections of DNA that control a single genetic trait. Genes are carbohydrates that provide structural support.

Genes are sections of DNA that control a single genetic trait.

What are proteins and how are they synthesized in the body? Proteins are made of nucleotides; the body makes all of them. Proteins are made of carbohydrates; the body converts sugars into proteins. Proteins are made of amino acids; the body makes 12 and food provides 8. Proteins are made of lipids; the body synthesizes them from fats.

Proteins are made of amino acids; the body makes 12 and food provides 8.

What is DNA made of? 5 nitrogen bases, a phosphate, and a protein 4 nitrogen bases, a phosphate, and a sugar 3 nitrogen bases, a lipid, and a sugar 2 nitrogen bases, a carbohydrate, and a lipid

4 nitrogen bases, a phosphate, and a sugar

What is the primary function of DNA in living organisms? Stores energy and provides structural support; single strand Catalyzes chemical reactions and provides immunity; quadruple helix Transports nutrients and regulates metabolism; triple helix Stores genetic information and codes for protein; double helix

Stores genetic information and codes for protein; double helix

What is DNA replication? When DNA is used to synthesize lipids When DNA makes a copy of itself When DNA is broken down into amino acids When DNA is converted into RNA

When DNA makes a copy of itself

What is RNA made of? 6 carbon sugar (ribose), phosphate group, amino acid 3 carbon sugar (ribose), carbohydrate group, nitrogenous base 4 carbon sugar (ribose), lipid group, nitrogenous base 5 carbon sugar (ribose), phosphate group, nitrogenous base

5 carbon sugar (ribose), phosphate group, nitrogenous base

What can RNA do in a cell? Transport lipids and regulate metabolism Leave the nucleus and forms ribosomes Catalyze chemical reactions and provide energy Store genetic information and replicate

Leave the nucleus and forms ribosomes

What are the three main components of a nucleotide in DNA? Nitrogen base, protein, lipid Sugar, lipid, nitrogen base Sugar, phosphate, nitrogen base Phosphate, lipid, protein

Sugar, phosphate, nitrogen base

What are the complementary base pairs in DNA and RNA? In DNA: A-T, T-G, C-A; In RNA: A-U, T-G, C-A In DNA: A-U, T-A, G-C; In RNA: A-T, T-A, G-C In DNA: A-T, T-A, G-C; In RNA: A-U, T-A, G-C In DNA: A-C, T-G, G-A; In RNA: A-C, T-G, G-A

In DNA: A-T, T-A, G-C; In RNA: A-U, T-A, G-C

What does Chargaff's rule state about the quantities of nucleotide bases in DNA? The quantity of A is equal to the quantity of C and the quantity of T is equal to the quantity of G The quantity of A is equal to the quantity of T and the quantity of C is equal to the quantity of G The quantity of A is equal to the quantity of G and the quantity of T is equal to the quantity of C The quantity of A is equal to the quantity of T and the quantity of G is equal to the quantity of C

The quantity of A is equal to the quantity of T and the quantity of G is equal to the quantity of C

What is a gene in the context of DNA? A segment of DNA that codes for a carbohydrate A segment of RNA that codes for a protein A segment of RNA that codes for a lipid A segment of DNA that codes for a protein

A segment of DNA that codes for a protein

What is the difference between codons and anticodons? A codon is in tRNA while an anticodon is in DNA or mRNA A codon is in DNA or mRNA while an anticodon is in tRNA A codon is in tRNA while an anticodon is in mRNA A codon is in mRNA while an anticodon is in DNA

A codon is in DNA or mRNA while an anticodon is in tRNA

What is the primary function of transfer RNA (tRNA) in the cell? It carries amino acids to the ribosomes It transfers the mRNA's information to the ribosomes It stores genetic information It synthesizes proteins directly

It transfers the mRNA's information to the ribosomes

How many layers does a pseudostratified epithelium appear to have? 1 but it looks like multiple layers 3 4 2

1 but it looks like multiple layers

Where can simple squamous epithelium be found in the body? Respiratory tract Inner lining of blood vessels or in lines of body cavities In glands and their ducts Lines of digestive tract

Inner lining of blood vessels or in lines of body cavities

What is a characteristic of pseudostratified epithelium? Often looks like a double cell layer Single layer of column-like cells Single layer of cube-like cells Multiple layers of flat cells

Often looks like a double cell layer

What are the key differences between RNA and DNA in terms of structure and components? RNA has a ribose sugar, uracil instead of thymine, and is single-stranded. RNA has a ribose sugar, thymine instead of uracil, and is double-stranded. RNA has a deoxyribose sugar, thymine instead of uracil, and is double-stranded. RNA has a deoxyribose sugar, uracil instead of thymine, and is single-stranded.

RNA has a ribose sugar, uracil instead of thymine, and is single-stranded.

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