Lc biology exam questions

Function of symbiotic bacteria in alimentary canal

Vitamin b and k production

Compete with pathogen

What is carpal

Bone in wrist

What is carpel

Female part of flower

Ligament

Attaches bone to bone

Tendon

Attaches muscle to bone

Ectotherm

Animal whose body temp varies with environmental temp

Endotherm

Animal with constant body temp

Metabolic role of lipids in cells

Hormone production

Structural role of lipids

Cell membrane

Name fat soluble vitamin

A

Function of pancreas

Produces pancreatic juices

Function of liver

Produce bile

Where are cell wall found

Plant and animal cell

Does fermentation use oxygen

No

Name 2 purine bases

Adenine and guanine

What are chromosomes composed of

DNA and protein

Genetic engineering

Artificial manipulation of a gene

Coding dna

Has genetic instructions to produce a protein

Non coding dna

Has genetic instructions that do not produce a protein

Enzyme

Biological catalyst

Dormancy in seed

Period of low metabolic activity in plants

Advantage of dormancy

Survive adverse conditions

Cotyledon

Seed leaf

Function of cotyledon

Store food

2 methods of fruit and seed dispersal

Animal and wind

Why is fruit and seed dispersal beneficial to plants

Avoid overcrowding

Testa

Protect seed

Plumule

Develop into shoot

Radicle

Develops into root

Name a element that is only sometimes found in proteins

Phosphorous

Metabolic role of proteins

Enzymes

Now many amino acids In proteins

20

Nitrogen Fixation

When atmospheric nitrogen , is converted into nitrates - usable form

Now do you know a gene is male/female

Has 2 X chromosomes

Now many carbon atoms in a molecule of acety/coa

2