Download presentation
Presentation is loading. Please wait.
Published bySandra Doyle Modified over 6 years ago
1
1/6 & 1/7 - 7th Grade Agenda Learning Objective: Learn about Hybrid Animals Collect HW: Reading & Notetaking 99 – 100 Ph Lab Private Lives of Plants HW: Genetic Activities Worksheet HW: Science Fair Background due 1/13 & 1/14 (10 Points) Last day to turn in late work for the semester: 1/13 & 1/14
2
Reflection Prompt: What is the difference between Mitosis and Meiosis
3
Science Fair Background
10 Points Due 1/13 & 1/14 Research and write 2 paragraphs related to your topic. Do not write your opinion. It must contain researched facts.
4
Protein Synthesis osome
Cells use information from a gene on a chrom_________ to produce a specific protein. osome
5
RNA Before protein synthesis can take place a “messe____” carry the genetic code from the DNA inside the nucleus into the cytoplasm. This genetic messenger is called ribonucleic acid or RNA nger
6
RNA
7
DNA vs RNA DNA RNA Copy One Strand Leaves the nucleus Master Copy
Two Strands Never leave nucleus Copy One Strand Leaves the nucleus
8
Step 1 in Protein Synthesis
Messenger RNA Production
9
Step 2 in Protein Synthesis
Messenger RNA attaches to a Ribosome
10
Step 3 in Protein Synthesis
Transfer RNA attaches to a Messenger RNA
11
Step 4 in Protein Synthesis
Protein Grows
12
Mutation
13
Mutation nge tein type Mutation means “cha_____” in Latin
Mutation can cause a cell to produce an incorrect pro____ during protein synthesis. As a result, the organism’s trait, or pheno____, may be different from what it normally would have been. nge tein type
14
Hybrid Animals Donkey Horse Mule
All male and most female mules are infertile More intelligent than a donkey More endurance than a horse Requires less food than a horse Mule
15
Ligers = Male Lion + Female Tiger
16
More Ligers
17
Tigon = Male Tiger + Female Lion
18
Zorse = Male Zebra + Female Horse
19
Wholphin = Dolphin + False Killer Whale
20
Wolfdog = Wolf + dog
21
House Cat + African Cat African Cat
22
Tangelo = Tangerine + Grape Fruit
23
pH pH: means potential of hydrogen (Positive Ion)
Scale goes from 0 to 14 0: Very acidic (hydrochloric acid) 7: Neutral (Water) 14: Very basic or alkaline (Drain Cleaner)
24
What are properties of an acid?
It tastes sour It reacts with metals and carbonates It turns blue litmus red.
25
What are some common use of acids ?
26
What are properties of a bases?
It tastes bitter Slippery feel Reacts with acids Turns red litmus blue
27
What are some common use of bases ?
28
pH Lab Lemonade Water Baking Soda 2 7 8.5
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.